Wave‐Equation Dispersion Inversion of Guided        <fi >P</fi>P        Waves in a Waveguide of Arbitrary Geometry

Li Jing; Hanafy Sherif; Schuster Gerard

摘要

Abstract > We present a dispersion‐inversion method which inverts for the <fi>P</fi> ‐velocity model from guided waves propagating in wave guides of arbitrary geometry. Its misfit function is the squared summation of differences between the predicted and observed dispersion curves of guided <fi>P</fi> waves, and the inverted result is a high‐resolution estimate of the near‐surface <fi>P</fi> ‐velocity model. We denote this procedure as wave‐equation dispersion inversion of guided <fi>P</fi> waves (WDG), which is valid for near‐surface waveguides with irregular layers and does not require a high‐frequency approximation. It is more robust than full waveform inversion and can sometimes provide velocity models with higher resolution than wave‐equation traveltime tomography. Both the synthetic‐data and field data results demonstrate that WDG for guided <fi>P</fi> waves can accurately invert for complex <fi>P</fi> ‐velocity models at the near surface of the Earth. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract Type =“Main”XML：Lang =“en”XML：ID =“JGRB52986-Abs-Abs-0001”> <标题类型=“main”>抽象</ title> >我们呈现了一种色散反转方法从任意几何波导中传播的引导波转换为<fi> p </ fi> - ofhocity模型。其错入功能是引导<fi> p </ fi>波的预测和观察到的色散曲线之间的差异的平方求和，并且倒置结果是近表面<fi> p </ fi的高分辨率估计值> - ofocity模型。我们表示该过程作为引导的波动方程分散反演的波动（WDG），其对于具有不规则层的近表面波导有效并且不需要高频近似。它比全波形反转更强大，有时可以提供比波浪方程行程断层扫描更高分辨率的速度模型。合成数据和现场数据结果都证明了用于引导的WDG <FI> P </ FI>波可以准确地反转地球近表面上的复杂<FI> P </ FI> - ococity模型。 </ p> </ abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-34677/'>《Journal of geophysical research. Solid earth: JGR》</a> <b style="margin: 0 2px;">|</b><span>2018年第9期</span><b style="margin: 0 2px;">|</b><span>共15页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Li Jing&option=202" target="_blank" rel="nofollow">Li Jing;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Hanafy Sherif&option=202" target="_blank" rel="nofollow">Hanafy Sherif;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Schuster Gerard&option=202" target="_blank" rel="nofollow">Schuster Gerard;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>College of Geo‐Exploration Science and TechnologyJilin UniversityChina;</p> <p>Department of Earth Science and EngineeringKing Abdullah University of Science and TechnologyThuwal Saudi Arabia;</p> <p>Department of Earth Science and EngineeringKing Abdullah University of Science and TechnologyThuwal Saudi Arabia;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/163.html" title="地球物理学">地球物理学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=guided waves&option=203" rel="nofollow">guided waves;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=dispersion inversion&option=203" rel="nofollow">dispersion inversion;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=wave equation&option=203" rel="nofollow">wave equation;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=P velocity tomogram&option=203" rel="nofollow">P velocity tomogram;</a> </p> <div class="translation"> 机译：引导波;色散反转;波浪方程;P速度断层照片; </div> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >中文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704025591560.html">Wave‐Equation Dispersion Inversion of Guided <fi >P</fi>P Waves in a Waveguide of Arbitrary Geometry</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Li Jing&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Li Jing,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Hanafy Sherif&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Hanafy Sherif,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Schuster Gerard&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Schuster Gerard </a> <a href="/journal-foreign-34677/" target="_blank" rel="nofollow" class="tuijian_authcolor">Journal of geophysical research. 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</b><a class="enjiyixqcontent" href="/academic-degree-domestic_mphd_thesis/020311569706.html">任意截面波导和槽波导传输特性的综合阶梯近似等效电路法分析</a> <b>[A] </b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=马阿宁&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 马阿宁</a> <span> . 2006</span> </span> </div> </li> </ul> <ul style="display: none;"> <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/patent-detail/06120113952626.html">模扩展波导和包括这种模扩展波导的用于引导与光纤耦合的光斑尺寸转换器</a> <b>[P]</b> . <span> 中国专利： CN114041076A </span> <span> . 2022-02-11</span> </div> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/patent-detail/06120113351439.html">基于电磁波抛物方程伴随模式的雷达回波资料反演大气波导的方法</a> <b>[P]</b> . <span> 中国专利： CN113391315A </span> <span> . 2021-09-14</span> </div> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/patent-detail/06130442339262.html">Waveguide system comprising waveguides with different geometries, e.g. for mobile phones, has end of one waveguide insertible into other waveguide</a> <b>[P]</b> . <span> 外国专利：  SE522433C2 </span> <span> . 2004-02-10</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：波导系统包括具有不同几何形状的波导，例如，用于手机，一个波导的末端可插入另一波导 </span> </p> </li> <li> <div> <b>4. </b><a class="enjiyixqcontent" href="/patent-detail/06130429719975.html">SUBSTRATE TYPE LIGHT WAVEGUIDE ELEMENT, WAVELENGTH DISPERSION COMPENSATING ELEMENT, OPTICAL FILTER, OPTICAL RESONATOR AND METHOD FOR DESIGNING THE LIGHT WAVEGUIDE ELEMENT, THE WAVELENGTH DISPERSION COMPENSATING ELEMENT, THE FILTER AND THE RESONATOR</a> <b>[P]</b> . <span> 外国专利：  WO2009107812A1 </span> <span> . 2009-09-03</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> 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Wave‐Equation Dispersion Inversion of Guided PP Waves in a Waveguide of Arbitrary Geometry

摘要