官网首页 › 研究观点 › 观点正文

滤波及周期方法说明

发布于 2023-06-06

<section style="text-align: left;line-height: 1.75em;margin: 8px 16px 0px;"><br /></section><section style="text-align: left;margin-left: 16px;margin-right: 16px;"><img class="rich_pages wxw-img js_insertlocalimg" data-ratio="1.0526315789473684" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGd6LDdBBv6gUMumrCWicpJhliasQh7LqYLvN37eEejaBFQcM07GKRqetkg/640?wx_fmt=png" data-type="png" data-w="114" style="width: 56px;height: 59px;" /></section><section style="text-align: left;margin-left: 16px;margin-right: 16px;"><span style="letter-spacing: 0.034em;"><strong><span style="letter-spacing: 1px;">1)物理背景导入:</span></strong></span><span style="font-size: 16px;letter-spacing: 1px;">不同周期光波叠加</span><span style="font-size: 16px;letter-spacing: 1px;">成复合光,通过滤波媒介可对不同周期光进行反向分解识别</span></section><section style="text-align: left;margin-left: 16px;margin-right: 16px;"><strong style="color: rgb(0, 0, 0);font-size: 14px;letter-spacing: 0.034em;">(周期 = 1/频率,频率即每单位时间震动次数,周期即每次震动需要多长时间)</strong></section><section style="text-align: left;line-height: 1.75em;margin: 0px 16px 8px;"><strong style="letter-spacing: 0.578px;color: rgb(0, 0, 0);font-size: 15px;">色散</strong></section><section style="text-align: center;line-height: 1.75em;margin: 0px 16px 8px;"><img class="rich_pages wxw-img js_insertlocalimg" data-backh="402" data-backw="556" data-ratio="0.7234432234432234" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGdorXwL7C2diavNELDhicOn3ajK8xqTicicBI6UZNL82mBwibApQSko5bZWjA/640?wx_fmt=png" data-type="png" data-w="546" style="text-align: center;letter-spacing: 0.034em;width: 288px;height: 208px;"></section><section style="text-align: center;line-height: 1.75em;margin: 0px 16px 8px;"><br /></section><section style="line-height: 1.5em;margin-bottom: 0px;margin-left: 16px;margin-right: 16px;"><span style="letter-spacing: 0.034em;font-size: 14px;">复色光分解为单色光而形成光谱的现象。</span></section><section style="line-height: 1.5em;margin-bottom: 0px;margin-left: 16px;margin-right: 16px;"><span style="font-size: 14px;"><span style="letter-spacing: 0.034em;">如白光进入棱镜后,由于对</span><strong style="letter-spacing: 0.034em;"><span style="color: rgb(0, 122, 170);">各种周期的光</span></strong><span style="letter-spacing: 0.034em;">具有不同折射率,各种色光的传播方向有程度的偏折,因而在离开棱镜时就各自分散,形成光谱。</span></span></section><section style="line-height: 1.5em;margin-bottom: 0px;margin-left: 16px;margin-right: 16px;"><span style="color: rgb(0, 0, 0);font-size: 15px;letter-spacing: 1px;text-align: left;"><br /></span></section><section style="line-height: 1.5em;margin-bottom: 0px;margin-left: 16px;margin-right: 16px;"><span style="color: rgb(0, 0, 0);font-size: 15px;letter-spacing: 1px;text-align: left;"></span></section><section style="margin-bottom: 0px;white-space: normal;text-align: left;line-height: 1.75em;margin-left: 16px;margin-right: 16px;"><span style="color: rgb(0, 0, 0);letter-spacing: 1px;font-size: 15px;"><strong>光谱</strong></span></section><section style="margin-bottom: 0px;white-space: normal;text-align: left;line-height: 1.75em;margin-left: 16px;margin-right: 16px;"><span style="color: rgb(0, 0, 0);letter-spacing: 1px;font-size: 15px;"><strong><br /></strong></span></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><img class="rich_pages wxw-img js_insertlocalimg" data-backh="428" data-backw="578" data-ratio="0.7410468319559229" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGd6JPa5jA3cTbtibmgHD7tlHWow6ozcYj3cZsticGPYficwx5cVaaCoQaVQ/640?wx_fmt=png" data-type="png" data-w="726" style="width: 343px;height: 254px;"></section><section style="margin-bottom: 0px;margin-left: 16px;margin-right: 16px;"><span style="font-size: 14px;">复色光经过色散系统分光后,</span></section><section style="margin-bottom: 0px;margin-left: 16px;margin-right: 16px;"><span style="font-size: 14px;">被色散开的单色光<span style="color: rgb(0, 122, 170);"><strong>按波长(或周期)长短</strong></span>而依次排列的图案,全称为光学频谱。</span></section><section style="margin-bottom: 0px;margin-left: 16px;margin-right: 16px;"><br /></section><section style="margin-bottom: 0px;margin-left: 16px;margin-right: 16px;"><br /></section><section style="margin-left: 16px;margin-right: 16px;"><span style="color: rgb(0, 0, 0);font-size: 15px;"><strong>不同光学滤波特性介质滤波结果比较</strong></span></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><img class="rich_pages wxw-img js_insertlocalimg" data-ratio="0.4598290598290598" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGddIjZY1JljhEKt3P30xSrxXiabM8UdiauQadGlAzPic9xhicuUos9H3lsIQ/640?wx_fmt=png" data-type="png" data-w="585" style="width: 318px;height: 146px;"></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><strong style="background-color: rgb(255, 255, 255);font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;letter-spacing: 0.544px;text-align: justify;"><br /></strong></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><strong style="background-color: rgb(255, 255, 255);font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;letter-spacing: 0.544px;text-align: justify;">2)物理背景导入:</strong><span style="background-color: rgb(255, 255, 255);font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;letter-spacing: 0.544px;text-align: justify;">不同周期声音叠加乐音或噪音,</span><span style="background-color: rgb(255, 255, 255);font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;letter-spacing: 0.544px;text-align: justify;">通过滤波媒介可对不同周期声音进行反向分解识别</span><br /></section><section style="text-align: left;margin-left: 16px;margin-right: 16px;"><span style="background-color: rgb(255, 255, 255);font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;letter-spacing: 0.544px;text-align: justify;"></span></section><section style="text-align: left;margin-left: 16px;margin-right: 16px;"><strong style="background-color: rgb(255, 255, 255);font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;letter-spacing: 0.544px;text-align: justify;font-size: 15px;">音乐音阶-周期关系表:</strong><span style="background-color: rgb(255, 255, 255);font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;letter-spacing: 0.544px;text-align: justify;font-size: 15px;">不同音阶具有不同周期</span></section><section data-role="paragraph" style="white-space: normal;box-sizing: border-box;margin-bottom: 0px;"><section style="max-width: 100%;font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;letter-spacing: 0.544px;white-space: normal;background-color: rgb(255, 255, 255);box-sizing: border-box !important;overflow-wrap: break-word !important;"><section style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><strong><img class="rich_pages wxw-img js_insertlocalimg" data-ratio="0.8269841269841269" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGd7VsQpSX5V0vzPeyWGYVmSdrJzQpGqW5nDum4edXg26fIagvcHNwEvQ/640?wx_fmt=png" data-type="png" data-w="630" style="width: 279px;height: 231px;"></strong></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><strong><br /></strong></section><section style="margin-left: 16px;margin-right: 16px;"><span style="font-size: 15px;"><strong>自然界声音,不同生物可感频率示意:</strong></span></section><section style="margin-left: 16px;margin-right: 16px;"><span style="font-size: 15px;"><strong><br /></strong></span></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><img class="rich_pages wxw-img js_insertlocalimg" data-ratio="0.33425925925925926" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGda6Bd5ib1o9tbzQofSgfV9QvkPicAEFkM0AxulupnuSYjryd4AnfHwoicw/640?wx_fmt=png" data-type="png" data-w="1080" style="width: 420px;height: 140px;"></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><br /></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><br /></section><section style="margin-left: 16px;margin-right: 16px;"><span style="font-size: 15px;"><strong>滤波原理(以降噪耳机为例):</strong>生成噪音反相位声波,从而成功抵消噪声。</span></section><section style="margin-left: 16px;margin-right: 16px;"><span style="font-size: 15px;"><br /></span></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><img class="rich_pages wxw-img js_insertlocalimg" data-ratio="1.0137614678899083" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGdFcxxhHL9P9YJGAPBwgLTY6yv5tk1DLrC5QaD8JwnnuRouYuEDYnFag/640?wx_fmt=png" data-type="png" data-w="654" style="width: 329px;height: 334px;"></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><br /></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><br /></section><section style="margin-left: 16px;margin-right: 16px;"><span style="font-size: 15px;"><strong>不同声学滤波特性介质滤波结果比较:</strong></span></section><section style="margin-left: 16px;margin-right: 16px;"><span style="font-size: 15px;"><strong><br /></strong></span></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><img class="rich_pages wxw-img js_insertlocalimg" data-ratio="0.5063291139240507" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGdTW1ic7UJRcGVHEbnsKtsia3KX4de7tZaQDXu3aiatMC1iceoIQh4UVEHaw/640?wx_fmt=png" data-type="png" data-w="553" style="width: 263px;height: 133px;" /></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><strong style="letter-spacing: 0.544px;text-align: justify;"><br /></strong></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><strong style="letter-spacing: 0.544px;text-align: justify;"><br /></strong></section><section style="text-align: left;margin-left: 16px;margin-right: 16px;"><strong style="letter-spacing: 0.544px;text-align: justify;">3)物理背景导入:</strong><span style="letter-spacing: 0.544px;text-align: justify;">不同周期经济行为叠加作用形成房价,通过滤波方法可对不同频率经济变量进行反向分解识别,挑选其中重要的(振幅较大的)频率/周期组分,作为地产市场主周期</span></section><section style="margin-left: 16px;margin-right: 16px;"><br /></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><img class="rich_pages wxw-img js_insertlocalimg" data-backh="197" data-backw="578" data-ratio="0.3407258064516129" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGdSuMNPPkQsfG45gwyHpt0YYXKxNRD0NXBTADMNbRsiah3riaJTI9Iqgiaw/640?wx_fmt=png" data-type="png" data-w="992" style="width: 100%;height: auto;" /></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><br /></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><br /></section><section style="text-align: left;margin-left: 16px;margin-right: 16px;"><img class="rich_pages wxw-img js_insertlocalimg" data-ratio="1.0526315789473684" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGdccvcy3tBJR8YZvziaVmHH0YHhiahxuGicKf5Wz2wxlnS9jlH2nYoKelPw/640?wx_fmt=png" data-type="png" data-w="114" style="width: 58px;height: 61px;" /></section><section style="margin-left: 16px;margin-right: 16px;"><strong><span style="font-size: 24px;"></span></strong></section><section style="line-height: normal;margin-left: 16px;margin-right: 16px;"><strong style="letter-spacing: 0.544px;">周期算法基本步骤</strong><br /></section><section style="margin-left: 16px;margin-right: 16px;"><br /></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><img class="rich_pages wxw-img js_insertlocalimg" data-backh="207" data-backw="578" data-ratio="0.35871156661786235" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGdm7XDORdIPrIkROdPnQ107fFRBQW2goVyEtNUcbh34AwzAvN6WWJqfw/640?wx_fmt=png" data-type="png" data-w="683" style="width: 100%;height: auto;" /></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><br /></section><section style="margin-left: 16px;margin-right: 16px;"><span style="font-size: 15px;"><strong>①为弥合存量增量市场感知分歧,综合新房房价及二手房价,计算获得综合房价</strong></span></section><section style="margin-left: 16px;margin-right: 16px;"><span style="font-size: 15px;"><strong><br /></strong></span></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><img class="rich_pages wxw-img js_insertlocalimg" data-ratio="0.8206364513018322" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGdHpKEOHhZgQ4dmVWjSN1dy3XBicPmtzvljbbUjibPVibs1j2kol9oTWKyw/640?wx_fmt=png" data-type="png" data-w="1037" style="width: 419px;height: 344px;" /></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><img class="rich_pages wxw-img js_insertlocalimg" data-ratio="1.2461538461538462" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGdNswDXSs0x0YX2ic2khQcPl2ZPdjvKTOMtvj1DvboxZrgeic4Cicsgum5Q/640?wx_fmt=png" data-type="png" data-w="65" style="width: 41px;height: 51px;" /></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><br /></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><img class="rich_pages wxw-img" data-galleryid="" data-ratio="0.3314285714285714" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGdPRkX0sxibZzduCyAcub9159gI7pSdnW5ia4ylvHyI2L5uBE6mmGYU6sA/640?wx_fmt=png" data-type="png" data-w="525" style="width: 436px;height: 145px;" /></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><br /></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><img class="rich_pages wxw-img js_insertlocalimg" data-ratio="1.2461538461538462" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGdNswDXSs0x0YX2ic2khQcPl2ZPdjvKTOMtvj1DvboxZrgeic4Cicsgum5Q/640?wx_fmt=png" data-type="png" data-w="65" style="width: 41px;height: 51px;" /></section><section style="text-align: left;max-width: 100%;min-height: 1em;margin-left: 16px;margin-right: 16px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><br /></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><img class="rich_pages wxw-img" data-galleryid="" data-ratio="0.25080906148867316" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGd2tmo3AsE1jjE5mTlRu3khbicQEZWhLl0DVfg44A8GyP7fUBAicBVX4Yg/640?wx_fmt=png" data-type="png" data-w="618" style="width: 446px;height: 112px;" /></section><section style="text-align: left;max-width: 100%;min-height: 1em;margin-left: 16px;margin-right: 16px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="font-size: 24px;color: rgb(0, 0, 0);"><strong><span style="font-family: -apple-system, BlinkMacSystemFont, Arial, sans-serif;letter-spacing: 0.544px;text-align: center;caret-color: rgba(0, 0, 0, 0);background-color: rgb(255, 255, 255);"><br /></span></strong></span></section><section style="text-align: left;max-width: 100%;min-height: 1em;margin-left: 16px;margin-right: 16px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><strong style="letter-spacing: 0.544px;text-align: justify;"><span style="font-size: 15px;">②前提</span></strong><span style="letter-spacing: 0.544px;text-align: justify;font-size: 15px;">——借助余弦函数理解周期性现象,任何事物(按时间序列的)发展轨迹都可以被分解为 {趋势+多个不同相位频率振幅的正余弦波之和+随机波动(干扰)}</span><br /></section><section style="margin-left: 16px;margin-right: 16px;"><span style="font-size: 15px;"></span></section><section style="margin-left: 16px;margin-right: 16px;"><span style="font-size: 15px;"><br /></span></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><img class="rich_pages wxw-img" data-galleryid="" data-ratio="0.5069708491761724" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGdVicXTniaqJxCI0XxmAFH0BdZH2thKRbmKRvVNEvwPPicyZwDCHrTOibLfg/640?wx_fmt=png" data-type="png" data-w="789" style="width: 578px;height: auto;" /></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><strong style="letter-spacing: 0.544px;text-align: justify;"><span style="font-size: 15px;"><br /></span></strong></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><strong style="letter-spacing: 0.544px;text-align: justify;"><span style="font-size: 15px;"><br /></span></strong></section><section style="text-align: left;margin-left: 16px;margin-right: 16px;"><strong style="letter-spacing: 0.544px;text-align: justify;"><span style="font-size: 15px;">②第一步</span></strong><span style="letter-spacing: 0.544px;text-align: justify;font-size: 15px;">——利用回归算法识别𝒙的趋势,剔除趋势函数𝒙𝟒</span><br /></section><section style="text-align: left;margin-left: 16px;margin-right: 16px;"><span style="letter-spacing: 0.544px;text-align: justify;font-size: 15px;"><br /></span></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><img class="rich_pages wxw-img js_insertlocalimg" data-backh="350" data-backw="578" data-ratio="0.6046296296296296" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGdTTAU915kEaFGx3sS3wFBXmHkHcnhb7o86CK2gL3Vm98mnLuMN6ceqw/640?wx_fmt=png" data-type="png" data-w="1080" style="width: 100%;height: auto;" /></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><br /></section><section style="margin-left: 16px;margin-right: 16px;"><strong><span style="font-size: 14px;">将分解后的序列x:</span></strong><span style="font-size: 14px;letter-spacing: 0.544px;">&nbsp;x=x1+x2+x3+</span><span style="font-size: 14px;letter-spacing: 0.544px;color: rgb(0, 122, 170);"><strong>x4</strong></span><span style="font-size: 14px;letter-spacing: 0.544px;">+x5&nbsp;</span></section><section style="margin-left: 16px;margin-right: 16px;"><strong style="letter-spacing: 0.544px;"><span style="font-size: 14px;">剔除掉上升或下降趋势,得到序列:</span></strong><span style="letter-spacing: 0.544px;font-size: 14px;">x=x1+x2+x3+x5&nbsp;</span><br /></section><section style="margin-left: 16px;margin-right: 16px;"><span style="font-size: 14px;letter-spacing: 0.544px;"></span></section><section style="margin-left: 16px;margin-right: 16px;"><br /></section><section style="margin-left: 16px;margin-right: 16px;"><strong><br /></strong></section><section style="margin-left: 16px;margin-right: 16px;"><strong><span style="font-size: 15px;">②第二步</span></strong><span style="font-size: 15px;">——通过傅里叶变换(周期图法),将𝑥1, 𝑥2, 𝑥3,𝑥5分解,并得到每个波的振幅,找到最大振幅的函数𝑥𝟐——作为𝒙的主导函数(𝑥𝟐的频率即作为主周期)</span></section><section style="margin-left: 16px;margin-right: 16px;"><span style="font-size: 15px;"><br /></span></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><img class="rich_pages wxw-img" data-galleryid="" data-ratio="0.4605568445475638" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGd4ic4HyJunRC8RyJhANsSa9lsrExqarnpheVVLeJA4wYJPMX8UZGOllg/640?wx_fmt=png" data-type="png" data-w="862" style="" /></section><section style="margin-left: 16px;margin-right: 16px;"><br /></section><section style="margin-left: 16px;margin-right: 16px;"><br /></section><section style="margin-left: 16px;margin-right: 16px;"><strong><span style="font-size: 15px;">②第三步</span></strong><span style="font-size: 15px;">——对 𝑥 在主导频率附近进行滤波,屏蔽多余干扰,得到𝑥𝟐的滤波。即𝒙的主导滤波,2π*10/100为𝒙 的主导周期,根据这个轨迹预判𝒙的下一步</span></section><section style="margin-left: 16px;margin-right: 16px;"><span style="font-size: 15px;"><br /></span></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><img class="rich_pages wxw-img" data-galleryid="" data-ratio="0.48009650180940894" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGdvkpFSLxkOFhJiaaSwMuzvcoYqvTAjiaTdqwmjiaibtbBfOkpywS8wCRicwA/640?wx_fmt=png" data-type="png" data-w="829" style="" /></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><br /></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><br /></section><section style="text-align: left;margin-left: 16px;margin-right: 16px;"><img class="rich_pages wxw-img js_insertlocalimg" data-ratio="1.0526315789473684" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGd8KEYjpJohhKDKSDvSlJVM2TrRloJX4nS61BgzOibOuT1RaI6MFBnLFA/640?wx_fmt=png" data-type="png" data-w="114" style="width: 62px;height: 65px;" /></section><section style="margin-left: 16px;margin-right: 16px;"><span style="font-size: 24px;"></span></section><section style="margin-left: 16px;margin-right: 16px;"><strong>1)样例:</strong>综合新房房价及二手房价,计算获得综合房价</section><section style="margin-left: 16px;margin-right: 16px;"><br /></section><section style="margin-left: 16px;margin-right: 16px;"><br /></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><img class="rich_pages wxw-img js_insertlocalimg" data-ratio="0.8415051311288484" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGdRL9jQapW0tsR6LA8kI8sOd7KrXKqeRfHxmv37bzSG9B946kOnduTVw/640?wx_fmt=png" data-type="png" data-w="877" style="width: 439px;height: 369px;" /></section><section style="margin-left: 16px;margin-right: 16px;"><br /></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><img class="rich_pages wxw-img js_insertlocalimg" data-ratio="1.2461538461538462" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGdNswDXSs0x0YX2ic2khQcPl2ZPdjvKTOMtvj1DvboxZrgeic4Cicsgum5Q/640?wx_fmt=png" data-type="png" data-w="65" style="width: 41px;height: 51px;" /></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><br /></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><img class="rich_pages wxw-img js_insertlocalimg" data-ratio="0.7008547008547008" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGdiasFIicMUyj3SEyK9BzfI11WibrfibobxfiauPSicFHQkicZTjibM1Ra0JGLicQ/640?wx_fmt=png" data-type="png" data-w="1053" style="width: 434px;height: 304px;" /></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><br /></section><section style="margin-left: 16px;margin-right: 16px;"><strong>2)样例:</strong>识别上海挂牌价趋势项,并剔除</section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><img class="rich_pages wxw-img js_insertlocalimg" data-ratio="0.46296296296296297" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGd4jticeTOxYiaTzIekfqkLl5keQFm9mibVvQY2r65NSL4N5gvHTJYOEL6A/640?wx_fmt=png" data-type="png" data-w="1080" style="" /></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><br /></section><section style="margin-left: 16px;margin-right: 16px;"><strong>3)样例:</strong>将剩余周期部分以周期图识别主导周期37个月</section><section style="margin-left: 16px;margin-right: 16px;"><br /></section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><img class="rich_pages wxw-img" data-galleryid="" data-ratio="0.46944444444444444" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGdicTOjUknck6RMuODSewsVxib0Dib1dC16Yia28t2tZjNP16zbQHAkomdicQ/640?wx_fmt=png" data-type="png" data-w="1080" style="" /></section><section style="text-align: left;max-width: 100%;min-height: 1em;margin-left: 16px;margin-right: 16px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="font-size: 24px;color: rgb(0, 0, 0);"><strong><span style="font-family: -apple-system, BlinkMacSystemFont, Arial, sans-serif;letter-spacing: 0.544px;text-align: center;caret-color: rgba(0, 0, 0, 0);background-color: rgb(255, 255, 255);"><br /></span></strong></span></section><section style="margin-left: 16px;margin-right: 16px;"><strong>4)样例:</strong>将剩余周期部分以主导周期37个月进行滤波,即可得到上海全市近阶段房价走势,并对未来进行走势预测</section><section style="text-align: center;margin-left: 16px;margin-right: 16px;"><img class="rich_pages wxw-img js_insertlocalimg" data-ratio="0.6537037037037037" data-s="300,640" data-src="https://mmbiz.qpic.cn/sz_mmbiz_png/AJkYaTAujIwic1s5d473JxSesLrknYXGdmoibDicdJHaZIWsn2YFzwfxSMYlHR42zNknB4UdmEC71cF8TAMfDwXfQ/640?wx_fmt=png" data-type="png" data-w="1080" style="" /></section><section style="text-align: left;max-width: 100%;min-height: 1em;margin-left: 8px;margin-right: 8px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="font-size: 24px;color: rgb(0, 0, 0);"><strong><span style="font-family: -apple-system, BlinkMacSystemFont, Arial, sans-serif;letter-spacing: 0.544px;text-align: center;caret-color: rgba(0, 0, 0, 0);background-color: rgb(255, 255, 255);"><br /></span></strong></span></section><hr style="border-style: solid;border-width: 1px 0 0;border-color: rgba(0,0,0,0.1);-webkit-transform-origin: 0 0;-webkit-transform: scale(1, 0.5);transform-origin: 0 0;transform: scale(1, 0.5);" /><section style="text-align: center;max-width: 100%;min-height: 1em;margin-left: 8px;margin-right: 8px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="color: rgb(123, 127, 131);font-family: -apple-system, BlinkMacSystemFont, Arial, sans-serif;font-size: 12px;letter-spacing: 0.544px;text-align: center;caret-color: rgba(0, 0, 0, 0);background-color: rgb(255, 255, 255);"></span></section><section style="text-align: center;max-width: 100%;min-height: 1em;margin-left: 8px;margin-right: 8px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="color: rgb(123, 127, 131);font-family: -apple-system, BlinkMacSystemFont, Arial, sans-serif;font-size: 12px;letter-spacing: 0.544px;text-align: center;caret-color: rgba(0, 0, 0, 0);background-color: rgb(255, 255, 255);">///</span></section><section style="text-align: center;max-width: 100%;min-height: 1em;margin-left: 8px;margin-right: 8px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="background-color: rgb(136, 136, 136);color: rgb(255, 255, 255);font-family: PingFangTC-Light;font-size: 12px;letter-spacing: 0.544px;caret-color: red;">&nbsp;-&nbsp; 小程序 -&nbsp;</span><br /></section></section></section><section style="max-width: 100%;white-space: normal;letter-spacing: 0.544px;background-color: rgb(255, 255, 255);font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;text-align: center;min-height: 1em;line-height: 1.75em;margin-left: 8px;margin-right: 8px;overflow-wrap: break-word !important;box-sizing: border-box !important;"><span style="max-width: 100%;color: rgb(127, 127, 127);font-family: PingFangTC-Light;font-size: 12px;letter-spacing: 0.544px;caret-color: rgb(255, 0, 0);overflow-wrap: break-word !important;box-sizing: border-box !important;">&nbsp;·「禾略问答」·</span></section><section style="text-align: center;margin-left: 8px;margin-right: 8px;"><a class="weapp_image_link js_weapp_entry" data-miniprogram-appid="wxf051804df9944e68" data-miniprogram-path="pages/ai2/ai2" data-miniprogram-nickname="禾略问答" href="" data-miniprogram-type="image" data-miniprogram-servicetype="" href=""><img class="rich_pages wxw-img" data-ratio="0.3849624060150376" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_jpg/AJkYaTAujIzWITEWveCcfxzoIG99cT01XibrJzDgHvLABVw09oRYNqrMfib9kxHh9MKO0xtMicWMJIABlGsL4hOew/640?wx_fmt=jpeg" data-type="jpeg" data-w="665" style="" /></a></section><section style="max-width: 100%;letter-spacing: 0.544px;white-space: normal;background-color: rgb(255, 255, 255);font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;text-align: center;min-height: 1em;line-height: 1.75em;margin-left: 8px;margin-right: 8px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><br /></section><section style="max-width: 100%;letter-spacing: 0.544px;white-space: normal;background-color: rgb(255, 255, 255);font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;text-align: center;min-height: 1em;line-height: 1.75em;margin-left: 8px;margin-right: 8px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="max-width: 100%;caret-color: red;color: rgb(127, 127, 127);font-family: PingFangTC-Light;font-size: 12px;box-sizing: border-box !important;overflow-wrap: break-word !important;">&nbsp;·<span style="max-width: 100%;font-family: PingFangTC-Light;letter-spacing: 0.544px;text-align: center;caret-color: rgb(255, 0, 0);background-color: rgb(255, 255, 255);">「HotTina」</span>·</span><br /></section></section><section data-role="paragraph" style="white-space: normal;margin-bottom: 0px;"><section style="text-align: center;margin-left: 8px;margin-right: 8px;"><a class="weapp_image_link js_weapp_entry" data-miniprogram-appid="wxdcdd1e610d71ae74" data-miniprogram-path="pages/serch/serch" data-miniprogram-nickname="HotTina" href="" data-miniprogram-type="image" data-miniprogram-servicetype="" href=""><img class="rich_pages wxw-img" data-backh="120" data-backw="389" data-ratio="0.30973451327433627" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_png/AJkYaTAujIxBKiaQNH3yAajSVKNDghYCq5gnROOAWjmdwIqhP9gBLpU9iaicBb19EGQVKpTzeP0lOXYyF5icG1y74Q/640?wx_fmt=png" data-type="png" data-w="791" style="width: 100%;height: auto;" /></a></section><section style="text-align: center;margin-left: 8px;margin-right: 8px;"><span style="color: rgb(123, 127, 131);font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 12px;letter-spacing: 0.544px;text-align: center;background-color: rgb(255, 255, 255);"><br /></span></section><section style="text-align: center;margin-left: 8px;margin-right: 8px;"><span style="color: rgb(127, 127, 127);font-family: PingFangTC-Light;font-size: 12px;letter-spacing: 0.544px;text-align: center;caret-color: rgb(255, 0, 0);background-color: rgb(255, 255, 255);">*</span></section><section style="text-align: center;margin-left: 8px;margin-right: 8px;"><span style="color: rgb(123, 127, 131);font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;font-size: 12px;letter-spacing: 0.544px;text-align: center;background-color: rgb(255, 255, 255);"><br /></span></section><section data-role="outer" label="Powered by 135editor.com" style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section data-role="outer" label="Powered by 135editor.com" style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section style="max-width: 100%;box-sizing: border-box;font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;letter-spacing: 0.544px;background-color: rgb(255, 255, 255);text-align: left;line-height: 1.75em;margin-left: 8px;margin-right: 8px;overflow-wrap: break-word !important;"><span style="max-width: 100%;color: rgb(89, 89, 89);letter-spacing: 1.5px;text-align: center;-webkit-text-stroke-width: 0.2px;font-size: 12px;font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;box-sizing: border-box !important;overflow-wrap: break-word !important;">▷往期文章彩蛋:不要戳开!!!</span></section><section style="margin: 5px 8px;text-align: center;line-height: 1.5em;"><a target="_blank" href="http://mp.weixin.qq.com/s?__biz=MzIxMTUxMzE2Mw==&amp;mid=2247500345&amp;idx=1&amp;sn=93797fca0ea11825bcc9e5e1c0109c52&amp;chksm=9756b81da021310ba7a377bdce7ef2877fb30eb246731c626bffd343008b77703527595ad2ed&amp;scene=21#wechat_redirect" textvalue="你已选中了添加链接的内容" data-itemshowtype="0" tab="innerlink" data-linktype="1"><span class="js_jump_icon h5_image_link" data-positionback="static" style="inset: auto;"><img class="rich_pages wxw-img" data-backh="86" data-backw="562" data-ratio="0.15350877192982457" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_png/AJkYaTAujIyWURddlHITkZgKz53a4xugLLibwPxIshPkhYb8rUpx6OiaokEiaiaoQAs4pBYvOk4KlGWhp5OagMyWaw/640?wx_fmt=png" data-type="png" data-w="912" style="width: 100%;height: auto;" /></span></a></section><section style="margin: 5px 8px;text-align: center;line-height: 1.5em;"><a target="_blank" href="http://mp.weixin.qq.com/s?__biz=MzIxMTUxMzE2Mw==&amp;mid=2247500355&amp;idx=2&amp;sn=2c6ce758ab3881befb2fbba0ba3603f1&amp;chksm=9756b867a021317120bad43bc938ebb4cdb2953af8c54167618f6a0d2e10e4a0c0dbbeb90f65&amp;scene=21#wechat_redirect" textvalue="你已选中了添加链接的内容" data-itemshowtype="0" tab="innerlink" data-linktype="1"><span class="js_jump_icon h5_image_link" data-positionback="static" style="inset: auto;"><img class="rich_pages wxw-img" data-backh="86" data-backw="562" data-ratio="0.15350877192982457" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_png/AJkYaTAujIyWURddlHITkZgKz53a4xug2z2ZNw3efskOCCTiaR2MZIrkVnqNUUySzc8kPhT5aLfLE1SvHGhoJUw/640?wx_fmt=png" data-type="png" data-w="912" style="width: 100%;height: auto;" /></span></a></section><section style="margin: 5px 8px;text-align: center;line-height: 1.5em;"><a target="_blank" href="http://mp.weixin.qq.com/s?__biz=MzIxMTUxMzE2Mw==&amp;mid=2247500384&amp;idx=1&amp;sn=ce96c211a2ed19ee560b34d30d321292&amp;chksm=9756b844a0213152bb36ae4ebc877ea634416495af8892942074d23f0d1b5581b32b705c0835&amp;scene=21#wechat_redirect" textvalue="你已选中了添加链接的内容" data-itemshowtype="0" tab="innerlink" data-linktype="1"><span class="js_jump_icon h5_image_link" data-positionback="static" style="inset: auto;"><img class="rich_pages wxw-img" data-backh="86" data-backw="562" data-ratio="0.15350877192982457" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_png/AJkYaTAujIyWURddlHITkZgKz53a4xugNEZT4DD88icwcAl08ZuziaiadYt82wzZG5n14t7224xWjyeK8SNXNIp8A/640?wx_fmt=png" data-type="png" data-w="912" style="width: 100%;height: auto;" /></span></a></section><section style="margin: 5px 8px;text-align: center;line-height: 1.5em;"><a target="_blank" href="http://mp.weixin.qq.com/s?__biz=MzIxMTUxMzE2Mw==&amp;mid=2247500776&amp;idx=1&amp;sn=6f4fcd10bc90a8f72744416eda3995a4&amp;chksm=9756b9cca02130da9094518319d318ca4fd11413c1213d18be9cc9d8302528b34816fdd34394&amp;scene=21#wechat_redirect" textvalue="你已选中了添加链接的内容" data-itemshowtype="0" tab="innerlink" data-linktype="1"><span class="js_jump_icon h5_image_link" data-positionback="static" style="inset: auto;"><img class="rich_pages wxw-img" data-backh="86" data-backw="562" data-ratio="0.15350877192982457" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_png/AJkYaTAujIyWURddlHITkZgKz53a4xugA8lpBib3AWM95x6tIIxu56bryKOYOVyRWzd6jsYRjicIiaF1hohgrpN1w/640?wx_fmt=png" data-type="png" data-w="912" style="width: 100%;height: auto;" /></span></a></section><section style="margin: 5px 8px;text-align: center;line-height: 1.5em;"><a target="_blank" href="http://mp.weixin.qq.com/s?__biz=MzIxMTUxMzE2Mw==&amp;mid=2247500347&amp;idx=1&amp;sn=dffbd70a87a2f5610cf728e4970ec869&amp;chksm=9756b81fa0213109c740e135c93ac90c20e029871a10bf1ad6d116f9d663d7a26b7d8a673bbe&amp;scene=21#wechat_redirect" textvalue="你已选中了添加链接的内容" data-itemshowtype="0" tab="innerlink" data-linktype="1"><span class="js_jump_icon h5_image_link" data-positionback="static" style="inset: auto;"><img class="rich_pages wxw-img" data-backh="86" data-backw="562" data-ratio="0.15350877192982457" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_png/AJkYaTAujIyWURddlHITkZgKz53a4xugMQjVx8C1LeClYXAgR1lKe771SGnJj9TxohSmoF4W79ORTDc52UmmNQ/640?wx_fmt=png" data-type="png" data-w="912" style="width: 100%;height: auto;" /></span></a></section></section></section><section data-role="paragraph" style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section data-tools="135编辑器" data-id="86134" style="max-width: 100%;font-family: -apple-system, BlinkMacSystemFont, Arial, sans-serif;letter-spacing: 0.544px;background-color: rgb(255, 255, 255);box-sizing: border-box !important;overflow-wrap: break-word !important;"><section data-tools="135编辑器" data-id="86134" style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section style="margin: 5px 8px;max-width: 100%;min-height: 1em;text-align: right;letter-spacing: 0.544px;line-height: 1.5em;box-sizing: border-box !important;overflow-wrap: break-word !important;"><br /></section></section></section><section data-tools="135编辑器" data-id="86134" style="max-width: 100%;letter-spacing: 0.544px;font-family: -apple-system, BlinkMacSystemFont, Arial, sans-serif;background-color: rgb(255, 255, 255);box-sizing: border-box !important;overflow-wrap: break-word !important;"><section data-tools="135编辑器" data-id="86134" style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section style="max-width: 100%;min-height: 1em;text-align: right;letter-spacing: 0.544px;line-height: 1.75em;margin-left: 8px;margin-right: 8px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="max-width: 100%;color: rgb(136, 136, 136);letter-spacing: 0.544px;font-size: 13px;font-family: PingFangTC-Light;box-sizing: border-box !important;overflow-wrap: break-word !important;">2023 | 平靓正</span></section><section style="max-width: 100%;min-height: 1em;text-align: right;letter-spacing: 0.544px;line-height: 1.75em;margin-left: 8px;margin-right: 8px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><br /></section></section></section><section data-role="outer" label="Powered by 135editor.com" style="max-width: 100%;font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;letter-spacing: 0.544px;background-color: rgb(255, 255, 255);box-sizing: border-box !important;overflow-wrap: break-word !important;"><section data-role="paragraph" style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section data-role="outer" label="Powered by 135editor.com" style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section style="margin-right: 8px;margin-left: 8px;max-width: 100%;letter-spacing: 0.544px;min-height: 1em;text-align: center;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section data-tools="135编辑器" data-id="93717" data-width="95%" style="margin-right: auto;margin-left: auto;max-width: 100%;box-sizing: border-box;width: 627.938px;flex: 0 0 95%;overflow-wrap: break-word !important;"><section style="max-width: 100%;box-sizing: border-box;background-image: url(&quot;https://mmbiz.qpic.cn/mmbiz_png/7QRTvkK2qC6tIGvc3ozCHcBonywI7fDV4Ksmoy5hWQHibq7TQpAQ5tricOQ7dnLg81iapxGeoUkic5Ob8vHOSI24xQ/640?wx_fmt=png&quot;);background-size: 100%;overflow-wrap: break-word !important;"><section style="padding: 1em;max-width: 100%;box-sizing: border-box;line-height: 1.75em;letter-spacing: 1px;overflow-wrap: break-word !important;"><section style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section class="channels_iframe_wrp" style="margin-left: 0px;margin-right: 0px;"><mp-common-videosnap data-weui-theme="light" data-width="1000" data-height="744" data-url="https://findermp.video.qq.com/251/20304/stodownload?encfilekey=rjD5jyTuFrIpZ2ibE8T7YmwgiahniaXswqzJicbY81kicUfsicRZaKyvPCqkicUNfgvLUftp09tJeu2AFy4Z7gDibN6hvOt7SlicDsib95X5QpDg37t20kdpubicJjaKA&amp;adaptivelytrans=0&amp;bizid=1023&amp;dotrans=0&amp;hy=SH&amp;idx=1&amp;m=&amp;scene=0&amp;token=AxricY7RBHdVxNvr9Do2l9PyPrIPL1rqhyNIY2OoFtqlztBoGUnnk8CopBZEXhluMMicI0ibqiajjU4" data-headimgurl="http://wx.qlogo.cn/finderhead/WAibKjHvK5nH8vQfZJqhgU8iaf6rKibyr5AcjgWVXicz6hLz3KmpZ9sBLw/0" data-username="v2_060000231003b20faec8c4e18d10cbd6c80dee34b07736396e416723fd5650a5715e7448b841@finder" data-nickname="禾略" data-desc="新的一年,将面临哪些变化和危机?" data-pluginname="mpvideosnap" data-nonceid="5721487008960521389" data-type="video" data-authiconurl="https://dldir1v6.qq.com/weixin/checkresupdate/icons_filled_channels_authentication_enterprise_a2658032368245639e666fb11533a600.png" data-id="export/UzFfAgtgekIEAQAAAAAAZrgETf3gtwAAAAstQy6ubaLX4KHWvLEZgBPEyoNoTk0JO4OBzNPgMIv5-gK5rRflQ4kGnMJ7kbJQ" class="js_uneditable custom_select_card channels_iframe" data-isdisabled="0" data-errortips=""></mp-common-videosnap></section><section style="max-width: 100%;box-sizing: border-box;min-height: 1em;color: rgb(0, 0, 0);font-size: 14px;line-height: 1.75em;margin-left: 8px;margin-right: 8px;overflow-wrap: break-word !important;"><span style="max-width: 100%;caret-color: red;color: rgb(255, 255, 255);background-color: rgb(0, 0, 0);font-family: PingFangTC-Light;font-size: 12px;box-sizing: border-box !important;overflow-wrap: break-word !important;">&nbsp;「 www.urasr.com」&nbsp;</span></section><section style="max-width: 100%;box-sizing: border-box;min-height: 1em;color: rgb(0, 0, 0);font-size: 14px;line-height: 1.75em;margin-left: 8px;margin-right: 8px;overflow-wrap: break-word !important;"><span style="max-width: 100%;color: rgb(127, 127, 127);caret-color: red;font-family: PingFangTC-Light;font-size: 10px;box-sizing: border-box !important;overflow-wrap: break-word !important;">#BE TRUE&nbsp; #BE WELL&nbsp; #BE WILD</span></section><section style="max-width: 100%;box-sizing: border-box;min-height: 1em;color: rgb(0, 0, 0);font-size: 14px;line-height: 1.75em;margin-left: 8px;margin-right: 8px;overflow-wrap: break-word !important;"><br /></section></section></section></section></section><section style="max-width: 100%;color: rgb(163, 163, 163);letter-spacing: 1.5px;font-family: 微软雅黑, Arial, sans-serif;line-height: 1.75em;margin-left: 8px;margin-right: 8px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><br /></section></section></section></section></section><section style="max-width: 100%;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;letter-spacing: 0.544px;text-align: center;min-height: 1em;line-height: 1.75em;margin-left: 8px;margin-right: 8px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="letter-spacing: 0.544px;color: rgb(127, 127, 127);font-family: PingFangTC-Light;font-size: 12px;caret-color: red;background-color: rgb(255, 255, 255);">*</span><br /></section></section><section data-role="outer" label="Powered by 135editor.com"><section data-role="outer" label="Powered by 135editor.com"><section data-role="paragraph" style="max-width: 100%;letter-spacing: 0.544px;background-color: rgb(255, 255, 255);font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section data-role="outer" label="Powered by 135editor.com" style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section data-role="paragraph" style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section style="margin-right: 8px;margin-left: 8px;max-width: 100%;letter-spacing: 0.544px;min-height: 1em;text-align: center;font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section style="max-width: 100%;box-sizing: border-box;min-height: 1em;color: rgb(0, 0, 0);font-size: 14px;line-height: 1.75em;margin-left: 8px;margin-right: 8px;overflow-wrap: break-word !important;"><span style="max-width: 100%;color: rgb(127, 127, 127);font-size: 12px;letter-spacing: 0.544px;font-family: PingFangTC-Light;box-sizing: border-box !important;overflow-wrap: break-word !important;">关注分享</span></section><section style="max-width: 100%;line-height: 1.75em;margin-left: 8px;margin-right: 8px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><span style="max-width: 100%;caret-color: red;color: rgb(127, 127, 127);font-size: 12px;font-family: PingFangTC-Light;box-sizing: border-box !important;overflow-wrap: break-word !important;">FOLLOW US &amp; SHARE ON MOMENTS</span></section><section style="max-width: 100%;line-height: 1.75em;margin-left: 8px;margin-right: 8px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><br /></section></section></section></section></section><section data-role="outer" style="max-width: 100%;letter-spacing: 0.544px;background-color: rgb(255, 255, 255);font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section data-role="paragraph" style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section style="margin-left: 8px;margin-right: 8px;"><section data-role="layout" style="flex-flow: row nowrap;display: flex;word-break: break-all;"><section data-role="layout" data-width="20%" style="box-sizing: border-box;width: 115.594px;"><section data-role="layout-inner"><section data-role="paragraph"><p style="text-align: center;"><span style="max-width: 100%;color: rgb(127, 127, 127);font-size: 12px;letter-spacing: 0.544px;font-family: PingFangTC-Light;box-sizing: border-box !important;overflow-wrap: break-word !important;">官网</span></p></section></section></section><section data-role="layout" data-width="20%" style="box-sizing: border-box;width: 115.594px;"><section data-role="layout-inner"><section data-role="paragraph"><p style="text-align: center;"><span style="max-width: 100%;color: rgb(127, 127, 127);font-size: 12px;letter-spacing: 0.544px;font-family: PingFangTC-Light;box-sizing: border-box !important;overflow-wrap: break-word !important;">微博</span></p></section></section></section><section data-role="layout" data-width="20%" style="box-sizing: border-box;width: 115.594px;"><section data-role="layout-inner"><section data-role="paragraph"><p style="text-align: center;"><span style="max-width: 100%;color: rgb(127, 127, 127);font-size: 12px;letter-spacing: 0.544px;font-family: PingFangTC-Light;box-sizing: border-box !important;overflow-wrap: break-word !important;">视频号</span></p></section></section></section><section data-role="layout" data-width="20%" style="box-sizing: border-box;width: 115.594px;"><section data-role="layout-inner"><section data-role="paragraph"><p style="text-align: center;"><span style="max-width: 100%;color: rgb(127, 127, 127);font-size: 12px;letter-spacing: 0.544px;font-family: PingFangTC-Light;box-sizing: border-box !important;overflow-wrap: break-word !important;">知乎</span></p></section></section></section><section data-role="layout" data-width="20%" style="box-sizing: border-box;width: 115.594px;"><section data-role="layout-inner"><section data-role="paragraph"><p style="text-align: center;"><span style="max-width: 100%;color: rgb(127, 127, 127);font-size: 12px;letter-spacing: 0.544px;font-family: PingFangTC-Light;box-sizing: border-box !important;overflow-wrap: break-word !important;">b站</span></p></section></section></section></section></section><section style="max-width: 100%;min-height: 1em;margin-left: 8px;margin-right: 8px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><br /></section></section><section style="margin-left: 8px;margin-right: 8px;"><section data-role="layout" style="flex-flow: row nowrap;display: flex;word-break: break-all;"><section data-role="layout" data-width="20%" style="box-sizing: border-box;width: 115.594px;"><section data-role="layout-inner"><section data-role="paragraph"><p style="text-align: center;"><img class="rich_pages" data-backh="13" data-backw="13" data-cropselx1="0" data-cropselx2="50" data-cropsely1="0" data-cropsely2="50" data-ratio="1" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_png/AJkYaTAujIycoMZjGF8RrRlGEzqzackrSSVqK5SzNApiaN9vmWpNcEuzuMInkGCcu5SiaAn2iba30oI1cPAeJVnqw/640?wx_fmt=png" data-type="png" data-w="300" data-width="50px" style="box-sizing: border-box;color: rgb(0, 0, 0);caret-color: rgb(255, 0, 0);width: 50px;font-family: 微软雅黑, &quot;Microsoft YaHei&quot;, Arial, sans-serif;max-inline-size: 100%;overflow-wrap: break-word !important;outline: none 0px !important;visibility: visible !important;height: 50px;" /></p></section></section></section><section data-role="layout" data-width="20%" style="box-sizing: border-box;width: 115.594px;"><section data-role="layout-inner"><section data-role="paragraph"><p style="text-align: center;"><img class="rich_pages" data-cropselx1="1" data-cropselx2="103" data-cropsely1="0" data-cropsely2="104" data-s="300,640" data-type="png" data-width="50px" width="50px" data-backw="18" data-backh="18" data-src="https://mmbiz.qpic.cn/mmbiz_png/AJkYaTAujIy3kArrxGazyPIK26bO7zZfQibibfZGIkjRNwTHwQ4KNp3zu2sgMcS5VLib1OHNDwOibjnPpUoribI5IcQ/640?wx_fmt=png" data-ratio="1" data-w="300" style="box-sizing: border-box;color: rgb(0, 0, 0);caret-color: rgb(255, 0, 0);width: 50px;font-family: 微软雅黑, &quot;Microsoft YaHei&quot;, Arial, sans-serif;max-inline-size: 100%;overflow-wrap: break-word !important;outline: none 0px !important;visibility: visible !important;" /></p></section></section></section><section data-role="layout" data-width="20%" style="box-sizing: border-box;width: 115.594px;"><section data-role="layout-inner"><section data-role="paragraph"><p style="text-align: center;"><img class="rich_pages wxw-img" data-ratio="1.0044247787610618" data-src="https://mmbiz.qpic.cn/mmbiz_png/AJkYaTAujIzdKK1pWxDY25IjWC6hzyuZPClD30iaLtAVGt7UszT4kJMlymjsJz0yLneTFRIJS1jvpr56X0OGLrQ/640?wx_fmt=png" data-type="png" data-w="226" data-width="50px" height="71" style="box-sizing: border-box;width: 50px;" width="50px" /></p></section></section></section><section data-role="layout" data-width="20%" style="box-sizing: border-box;width: 115.594px;"><section data-role="layout-inner"><section data-role="paragraph"><p style="text-align: center;"><img class="rich_pages wxw-img" data-backh="47" data-backw="47" data-ratio="1" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_png/AJkYaTAujIy3kArrxGazyPIK26bO7zZficyibw72OWmSMvgNNjSWoDHlf7aSgplp7dtCDAEFtJKHBnC8qaLHSIeQ/640?wx_fmt=png" data-type="png" data-w="300" data-width="50px" style="box-sizing: border-box;z-index: -1;cursor: pointer;color: rgb(0, 0, 0);caret-color: rgb(255, 0, 0);width: 50px;font-family: 微软雅黑, &quot;Microsoft YaHei&quot;, Arial, sans-serif;max-inline-size: 100%;overflow-wrap: break-word !important;outline: none 0px !important;visibility: visible !important;" width="50px" /></p></section></section></section><section data-role="layout" data-width="20%" style="box-sizing: border-box;width: 115.594px;"><section data-role="layout-inner"><section data-role="paragraph"><p style="text-align: center;"><img class="rich_pages wxw-img" data-backh="13" data-backw="13" data-cropselx1="0" data-cropselx2="69" data-cropsely1="0" data-cropsely2="69" data-ratio="1" data-s="300,640" data-src="https://mmbiz.qpic.cn/mmbiz_png/AJkYaTAujIwaUyIuHQngl5c5PD5uQEXrh3UfLLLmbNNIYHsl0uM1fFRJCOicUgwgiaAoBNbUmeBiahGEFZBm9uXAw/640?wx_fmt=png" data-type="png" data-w="300" data-width="50px" style="box-sizing: border-box;z-index: -1;cursor: pointer;color: rgb(0, 0, 0);caret-color: rgb(255, 0, 0);width: 50px;font-family: 微软雅黑, &quot;Microsoft YaHei&quot;, Arial, sans-serif;max-inline-size: 100%;overflow-wrap: break-word !important;outline: none 0px !important;visibility: visible !important;" width="50px" /></p></section></section></section></section></section></section></section></section><section data-role="paragraph" style="max-width: 100%;font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;letter-spacing: 0.544px;background-color: rgb(255, 255, 255);box-sizing: border-box !important;overflow-wrap: break-word !important;"><section data-role="paragraph" style="max-width: 100%;box-sizing: border-box !important;overflow-wrap: break-word !important;"><section style="max-width: 100%;min-height: 1em;margin-left: 8px;margin-right: 8px;box-sizing: border-box !important;overflow-wrap: break-word !important;"><br /></section></section></section><section style="max-width: 100%;box-sizing: border-box;font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;letter-spacing: 0.544px;background-color: rgb(255, 255, 255);text-align: right;line-height: 1.75em;margin-left: 8px;margin-right: 8px;overflow-wrap: break-word !important;"><br /></section><section style="max-width: 100%;box-sizing: border-box;font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;letter-spacing: 0.544px;background-color: rgb(255, 255, 255);text-align: right;line-height: 1.75em;margin-left: 8px;margin-right: 8px;overflow-wrap: break-word !important;"><span style="max-width: 100%;color: rgb(89, 89, 89);letter-spacing: 1.5px;text-align: center;-webkit-text-stroke-width: 0.2px;font-size: 12px;font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;box-sizing: border-box !important;overflow-wrap: break-word !important;">感谢你的每一个分享 | 点赞 | 在看</span></section><section style="max-width: 100%;box-sizing: border-box;font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;letter-spacing: 0.544px;background-color: rgb(255, 255, 255);text-align: right;line-height: 1.75em;margin-left: 8px;margin-right: 8px;overflow-wrap: break-word !important;"><span style="max-width: 100%;color: rgb(89, 89, 89);letter-spacing: 1.5px;text-align: center;-webkit-text-stroke-width: 0.2px;font-size: 12px;font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;box-sizing: border-box !important;overflow-wrap: break-word !important;">SPECIAL THANKS</span></section><section style="max-width: 100%;box-sizing: border-box;font-family: -apple-system, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif;letter-spacing: 0.544px;background-color: rgb(255, 255, 255);text-align: right;line-height: 1.75em;margin-left: 8px;margin-right: 8px;overflow-wrap: break-word !important;"><span style="max-width: 100%;color: rgb(89, 89, 89);letter-spacing: 1.5px;text-align: center;-webkit-text-stroke-width: 0.2px;font-size: 12px;font-family: 微软雅黑, &quot;Microsoft YaHei&quot;;box-sizing: border-box !important;overflow-wrap: break-word !important;">▼▼▼</span></section></section><section style="line-height: 1.5em;margin-left: 8px;margin-right: 8px;"><span style="font-size: 16px;letter-spacing: 1px;">过滤波媒介可对不同周期光进行反向分解识别</span></section><section style="margin-left: 8px;margin-right: 8px;">(周期 = 1/频率,频率即每单位时间震动次数,周期即每次震动需要多长时间)</section><section style="margin-left: 8px;margin-right: 8px;"><br /></section><section style="margin-left: 8px;margin-right: 8px;"><section style="display: none;margin-left: 8px;margin-right: 8px;"><br /></section></section><section style="display: none;margin-left: 8px;margin-right: 8px;"><br /></section><p style="display: none;"><mp-style-type data-value="3"></mp-style-type></p>

← 返回观点全库