Article(id=1307086412281565245, tenantId=1146029695717560320, journalId=1306274195778404443, issueId=1307086088166732376, articleNumber=null, orderNo=null, doi=10.12401/j.nwg.2025088, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1710950400000, receivedDateStr=2024-03-21, revisedDate=1753113600000, revisedDateStr=2025-07-22, acceptedDate=1747843200000, acceptedDateStr=2025-05-22, onlineDate=1789563285179, onlineDateStr=2026-09-16, pubDate=1787155200000, pubDateStr=2026-08-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789563285179, onlineIssueDateStr=2026-09-16, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789563285179, creator=13701087609, updateTime=1789563285179, updator=13701087609, issue=Issue{id=1307086088166732376, tenantId=1146029695717560320, journalId=1306274195778404443, year='2026', volume='59', issue='4', pageStart='1', pageEnd='386', issueExtLink='null', onlineDate='null', pubDate='1787155200000', pubDateStr='2026-08-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1789563207904, creator='13701087609', updateTime=1789616196824, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1307308339885531645, tenantId=1146029695717560320, journalId=1306274195778404443, issueId=1307086088166732376, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1307308339885531646, tenantId=1146029695717560320, journalId=1306274195778404443, issueId=1307086088166732376, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=179, endPage=189, ext={EN=ArticleExt(id=1307086412445143102, articleId=1307086412281565245, tenantId=1146029695717560320, journalId=1306274195778404443, language=EN, title=Full Waveform Inversion Model of Initial Velocity can be Learned, columnId=null, journalTitle=Northwestern Geology, columnName=null, runingTitle=null, highlight=null, articleAbstract=
In the field of geophysical oil and gas exploration, the velocity of seismic wave is regarded as one of the key parameters to distinguish underground media. Full Waveform Inversion (FWI) is a popular geophysical imaging technique in which a high-resolution subsurface velocity model is learned by first giving an initial velocity model and then minimizing the deviation between the simulated seismic record generated by the velocity model and the actual observed seismic record through an iterative process. The initialization of accurate velocity model is a prerequisite for the realization of full waveform inversion imaging, which is strongly dependent on the initial velocity model. When there is a big difference between the initial velocity model and the real model, the matching between the theoretical wave field and the observed wave field is easy to produce the phenomenon of period hopping. This paper proposes a full-waveform inversion model (FWI with initial velocity learnable by neural network, FWI_IVLNN)based on generative adversarial networks that can learn initial velocity parameters. It learns initial velocity parameters through neural networks and integrates stochastic velocity to generate velocity models. Based on generative adversarial idea, the velocity model is inversion, the simulated seismic record is generated by physics generator, the simulated record and the observation record are discriminated by discriminator, and the initial velocity model and network parameters are learned by unsupervised mode. The gradient returned by the network is transmitted to both the neural network and the physical generator, and the data-driven and model-driven velocity model inversion is realized with the help of the gradient. Quantitative and qualitative experiments show that FWI_IVLNN is less dependent on the initial velocity model, and the accuracy of velocity model inversion is higher.
, authors=Hongyang ZHAO
1, Chengwei WANG
1, 2, Bianfang CHAI
2, 3, *, Liangxun SHUO
2, authorsList=Hongyang ZHAO, Chengwei WANG, Bianfang CHAI, Liangxun SHUO, authorCompany=null, correspAuthors=Bianfang CHAI, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright © 2026 Northwestern Geology. All rights reserved., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1307086436176515309, articleId=1307086412281565245, tenantId=1146029695717560320, journalId=1306274195778404443, language=CN, title=可学习初始速度的全波形反演模型, columnId=1307086183687811481, journalTitle=西北地质, columnName=人工智能在地质学领域的应用研究, runingTitle=null, highlight=null, articleAbstract=
在地球物理油气勘探领域,地震波传播速度被视为判别地下介质的关键参数之一。全波形反演(Full Waveform Inversion,FWI)是一种流行的地球物理成像技术,其首先给定一个初始速度模型,通过迭代过程最小化速度模型生成的模拟地震记录与实际观测地震记录之间的偏差,从而学到高分辨率的地下速度模型。初始化准确的速度模型是实现全波形反演成像的先决条件,目前全波形反演强依赖于初始速度模型。当初始速度模型与真实模型存在较大差异时,理论波场与观测波场的匹配容易产生周期跳跃现象。笔者提出一种基于生成对抗网络的可学习初始速度的全波形反演模型(FWI with initial velocity learnable by neural network,FWI_IVLNN),其通过神经网络学习初始速度参数,融合随机速度生成速度模型,基于生成对抗思想反演速度模型,利用物理生成器生成模拟地震记录,通过判别器判别模拟记录和观测记录,通过无监督模式学习初始速度模型和网络参数。网络返回的梯度同时传给神经网络和物理生成器,借助梯度实现数据驱动和模型驱动的速度模型反演。定量和定性实验表明,FWI_IVLNN对初始速度模型依赖性较低,速度模型反演结果精度更高。
, authors=赵虹阳
1, 王承伟
1, 2, 柴变芳
2, 3, *, 硕良勋
2, authorsList=赵虹阳, 王承伟, 柴变芳, 硕良勋, authorCompany=null, correspAuthors=柴变芳, authorNote=
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, copyrightStatement=版权所有©《西北地质》编辑部 2026, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=CUdTdc8BcG4/b3OIZGBltw==, magXml=O+XSQG98UBGh4ylqyZqVeQ==, pdfUrl=null, pdf=Y16IVd5WVvyWJ15e0L3jMA==, pdfFileSize=5680845, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=NgkJvoqk0a3LMuhWy8fyoQ==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=tsb7BaY3r19dNYJQicFBqg==, mapNumber=null, fund=null)}, authors=[Author(id=1307086608944100107, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=1140720354@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1307086609023791885, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, authorId=1307086608944100107, language=EN, stringName=Hongyang ZHAO, firstName=Hongyang, middleName=null, lastName=ZHAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1Xinjiang Vocational University of Technology, Kashgar 844004, Xinjiang,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1307086609120260878, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, authorId=1307086608944100107, language=CN, stringName=赵虹阳, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1新疆理工职业大学,新疆 喀什 844004, bio={"content":"
赵虹阳(1998−),女,硕士研究生,主要研究方向为全波形反演。E−mail:1140720354@qq.com
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赵虹阳(1998−),女,硕士研究生,主要研究方向为全波形反演。E−mail:1140720354@qq.com
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2, 3, *, address=
2School of Information Engineering, Hebei University of Geosciences, Shijiazhuang 050031, Hebei, China
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FWI IVLNN network model diagram, figureFileSmall=hE8CYURr2ZimPE/y7Jlozg==, figureFileBig=NgkJvoqk0a3LMuhWy8fyoQ==, tableContent=null), ArticleFig(id=1307086612811248427, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, language=CN, label=图1, caption=
FWI_IVLNN网络模型框架图, figureFileSmall=hE8CYURr2ZimPE/y7Jlozg==, figureFileBig=NgkJvoqk0a3LMuhWy8fyoQ==, tableContent=null), ArticleFig(id=1307086612995797804, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, language=EN, label=Fig.2, caption=
Neural network structure of learnable velocity model, figureFileSmall=5IH6TumOiRwSDdI19c18yA==, figureFileBig=KQg228x9aogX3WlTkqOXLA==, tableContent=null), ArticleFig(id=1307086613054518061, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, language=CN, label=图2, caption=
可学习速度模型的神经网络结构, figureFileSmall=5IH6TumOiRwSDdI19c18yA==, figureFileBig=KQg228x9aogX3WlTkqOXLA==, tableContent=null), ArticleFig(id=1307086613138404142, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, language=EN, label=Fig.3, caption=
Discriminator network structure, figureFileSmall=1zB9ZLeYj1Ijw/nc6PoUYg==, figureFileBig=SUySHvgy6NQLXM9go/nrLA==, tableContent=null), ArticleFig(id=1307086613205513007, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, language=CN, label=图3, caption=
判别器网络结构, figureFileSmall=1zB9ZLeYj1Ijw/nc6PoUYg==, figureFileBig=SUySHvgy6NQLXM9go/nrLA==, tableContent=null), ArticleFig(id=1307086613318759216, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, language=EN, label=Fig.4, caption=
Initial velocity model and real model diagram, figureFileSmall=AK0cVeJN9hC+6xnqAoKtFg==, figureFileBig=3FXsHEtZhVZW96InzX4lpg==, tableContent=null), ArticleFig(id=1307086613381673777, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, language=CN, label=图4, caption=
初始速度模型与真实模型图, figureFileSmall=AK0cVeJN9hC+6xnqAoKtFg==, figureFileBig=3FXsHEtZhVZW96InzX4lpg==, tableContent=null), ArticleFig(id=1307086613444588338, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, language=EN, label=Fig.5, caption=
SSIM Index comparison chart, figureFileSmall=t9osAM8GMyHxV/Kwua9J0Q==, figureFileBig=QdQ4yNUmjdcidTkDzA76tA==, tableContent=null), ArticleFig(id=1307086613528474419, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, language=CN, label=图5, caption=
SSIM指标对比图, figureFileSmall=t9osAM8GMyHxV/Kwua9J0Q==, figureFileBig=QdQ4yNUmjdcidTkDzA76tA==, tableContent=null), ArticleFig(id=1307086613603971892, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, language=EN, label=Fig.6, caption=
SNR Index comparison chart, figureFileSmall=FLZ+Xi5y2uQ0NWaPIwfYbQ==, figureFileBig=7acfVieNhC8nQMPoDBvXXQ==, tableContent=null), ArticleFig(id=1307086613687857973, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, language=CN, label=图6, caption=
SNR指标对比图, figureFileSmall=FLZ+Xi5y2uQ0NWaPIwfYbQ==, figureFileBig=7acfVieNhC8nQMPoDBvXXQ==, tableContent=null), ArticleFig(id=1307086613763355446, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, language=EN, label=Fig.7, caption=
ERROR Index comparison chart, figureFileSmall=/BsWiQvux/nQEXiaIlKSfg==, figureFileBig=yO4n9t2Tq19tmVU7p1TT4Q==, tableContent=null), ArticleFig(id=1307086615428494137, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, language=CN, label=图7, caption=
ERROR指标对比图, figureFileSmall=/BsWiQvux/nQEXiaIlKSfg==, figureFileBig=yO4n9t2Tq19tmVU7p1TT4Q==, tableContent=null), ArticleFig(id=1307086615491408698, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, language=EN, label=Fig.8, caption=
Comparison of inversion results, figureFileSmall=WJUFjNda457a97wto+ze6g==, figureFileBig=3sMXoMFNMaZc21SYIAFPSw==, tableContent=null), ArticleFig(id=1307086615575294779, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, language=CN, label=图8, caption=
反演结果对比图, figureFileSmall=WJUFjNda457a97wto+ze6g==, figureFileBig=3sMXoMFNMaZc21SYIAFPSw==, tableContent=null), ArticleFig(id=1307086615663375164, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, language=EN, label=Fig.9, caption=
Comparison of results (left FWI_ IVLNN, right FWIGAN), figureFileSmall=0PBV2BABq37+F+b1MBEFCg==, figureFileBig=TOTzHS9CkkOOsx6UhD+nlg==, tableContent=null), ArticleFig(id=1307086615751455549, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, language=CN, label=图9, caption=
结果对比图(左FWI_IVLNN,右FWIGAN), figureFileSmall=0PBV2BABq37+F+b1MBEFCg==, figureFileBig=TOTzHS9CkkOOsx6UhD+nlg==, tableContent=null), ArticleFig(id=1307086615831147326, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, language=EN, label=Fig.10, caption=
Red line group velocity profile comparison, figureFileSmall=xMAdo75Vn0l6ZAkrQ3/IYA==, figureFileBig=l9njAyml815yGXs8jeoLdg==, tableContent=null), ArticleFig(id=1307086615906644799, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, language=CN, label=图10, caption=
红线组速度剖面对比图绿色虚线表示真实模型,蓝色实线表示初始模型,紫色虚线表示FWI_IVLNN模型,红色虚线表示FWIGAN模型
, figureFileSmall=xMAdo75Vn0l6ZAkrQ3/IYA==, figureFileBig=l9njAyml815yGXs8jeoLdg==, tableContent=null), ArticleFig(id=1307086615965365056, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, language=EN, label=Fig.11, caption=
Blue line group velocity profile comparison, figureFileSmall=Lbz8h3GXe0T+iX8kRhQb2A==, figureFileBig=MLKCbxg2Lsd5bCSZYxHL9Q==, tableContent=null), ArticleFig(id=1307086616032473921, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, language=CN, label=图11, caption=
蓝线组速度剖面对比图绿色虚线表示真实模型,蓝色实线表示初始模型,紫色虚线表示FWI_IVLNN模型,红色虚线表示FWIGAN模型
, figureFileSmall=Lbz8h3GXe0T+iX8kRhQb2A==, figureFileBig=MLKCbxg2Lsd5bCSZYxHL9Q==, tableContent=null), ArticleFig(id=1307086616103777090, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, language=EN, label=Tab.1, caption=
Convolutional neural network architecture for learnable velocity models
, figureFileSmall=null, figureFileBig=null, tableContent=
| 神经网络 | 网络参数 |
| 输入 | Random latent vector (1×1) |
| 第一层 | 4×4卷积核,Deconvolution layer(4×4)+ BatchNorm2d + Relu |
| 第二层 | 4×4卷积核,Deconvolution layer(8×8)+ BatchNorm2d + Relu |
| 第三层 | 4×4卷积核,Deconvolution layer(16×16)+ BatchNorm2d + Relu |
| 第四层 | 4×4卷积核,Deconvolution layer(32×32)+ BatchNorm2d + Relu |
| 第五层 | 4×4卷积核,Deconvolution layer (32×67) + Tanh |
| 第六层 | Interpolate(100, 310)+ clamp |
), ArticleFig(id=1307086616170885955, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, language=CN, label=表1, caption=
可学习速度模型的卷积神经网络结构
, figureFileSmall=null, figureFileBig=null, tableContent=
| 神经网络 | 网络参数 |
| 输入 | Random latent vector (1×1) |
| 第一层 | 4×4卷积核,Deconvolution layer(4×4)+ BatchNorm2d + Relu |
| 第二层 | 4×4卷积核,Deconvolution layer(8×8)+ BatchNorm2d + Relu |
| 第三层 | 4×4卷积核,Deconvolution layer(16×16)+ BatchNorm2d + Relu |
| 第四层 | 4×4卷积核,Deconvolution layer(32×32)+ BatchNorm2d + Relu |
| 第五层 | 4×4卷积核,Deconvolution layer (32×67) + Tanh |
| 第六层 | Interpolate(100, 310)+ clamp |
), ArticleFig(id=1307086616246383428, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, language=EN, label=Tab.2, caption=
FWI IVLNN model algorithm
, figureFileSmall=null, figureFileBig=null, tableContent=
| 算法1 FWI_IVLNN |
输入:$ {v}_{0} $ :先验速度模型, $ {v}_{1}$ :可学习速度模型,$ v $ 为融合速度模型,$ H $ :声波方程算子,$ {n}_{s} $ :震源个数,$ {\left\{{s}_{i}\right\}}_{i=1}^{{n}_{s}} $ :真实共震源地震炮集记录,$ E $ : epoch数,$ {n}_{critical} $ :每次更新速度模型训练判别器的迭代次数,$ B $ :批大小,$ \lambda $ :惩罚权重,$ {D}_{{\theta }_{0}} $ :初始化判别器,$ {NN}_{{\theta }_{0}} $ :初始化神经网络,$ l{r}_{v} $ :更新速度模型的学习率,$ l{r}_{c} $ :训练判别器的学习率,$ {l}_{n} $ :神经网络的学习率。 |
| 输出:反演结果 |
| 1 for e = 1, ···, E do |
| 2 for b = 1, ···, B do |
3 for n = 1, ···, $ {n}_{critical} $ do |
4 样本数据 $ \{{s}_{1}, \cdots, {s}_{A}\}(A={n}_{s}/B) $ 来自于真实数据集$ {\left\{{s}_{i}\right\}}_{i=1}^{{n}_{s}} $ |
5 由神经网络生成的$ {v}_{1} $ 和$ {v}_{0} $ 融合得到的$ v $ 生成相应的模拟数据$ \left\{{f}_{1}, \cdots, {f}_{A}\right\} $ |
6 从$ U\left(\mathrm{0, 1}\right) $ 中均匀抽样$ {\mu }_{1}, \cdots {\mu }_{A} $ |
7 对$ {\left\{{s}_{i}\right\}}_{i=1}^{A} $ 和$ {\left\{{f}_{i}\right\}}_{i=1}^{A} $ 进行归一化处理 |
8 使用学习率$ l{r}_{c} $ 的Adam优化器更新判别网络参数$ {\theta }_{D} $ ,使公式(2)中的 最大化 |
| 9 end for |
10 生成模拟数据$ \left\{{f}_{1}, \cdots, {f}_{A}\right\} $ |
11 使用学习率$ l{r}_{v} $ 的Adam优化器中神经网络参数$ {\theta }_{NN} $ 从而更新$ {v}_{1} $ 和$ v $ ,使公式(2)中的 最大化 |
| 12 end for |
| 13 end for |
14 return 最终反演速度模型为$ \hat{v} $ |
), ArticleFig(id=1307086616326075205, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086412281565245, language=CN, label=表2, caption=
FWI_IVLNN模型算法
, figureFileSmall=null, figureFileBig=null, tableContent=
| 算法1 FWI_IVLNN |
输入:$ {v}_{0} $ :先验速度模型, $ {v}_{1}$ :可学习速度模型,$ v $ 为融合速度模型,$ H $ :声波方程算子,$ {n}_{s} $ :震源个数,$ {\left\{{s}_{i}\right\}}_{i=1}^{{n}_{s}} $ :真实共震源地震炮集记录,$ E $ : epoch数,$ {n}_{critical} $ :每次更新速度模型训练判别器的迭代次数,$ B $ :批大小,$ \lambda $ :惩罚权重,$ {D}_{{\theta }_{0}} $ :初始化判别器,$ {NN}_{{\theta }_{0}} $ :初始化神经网络,$ l{r}_{v} $ :更新速度模型的学习率,$ l{r}_{c} $ :训练判别器的学习率,$ {l}_{n} $ :神经网络的学习率。 |
| 输出:反演结果 |
| 1 for e = 1, ···, E do |
| 2 for b = 1, ···, B do |
3 for n = 1, ···, $ {n}_{critical} $ do |
4 样本数据 $ \{{s}_{1}, \cdots, {s}_{A}\}(A={n}_{s}/B) $ 来自于真实数据集$ {\left\{{s}_{i}\right\}}_{i=1}^{{n}_{s}} $ |
5 由神经网络生成的$ {v}_{1} $ 和$ {v}_{0} $ 融合得到的$ v $ 生成相应的模拟数据$ \left\{{f}_{1}, \cdots, {f}_{A}\right\} $ |
6 从$ U\left(\mathrm{0, 1}\right) $ 中均匀抽样$ {\mu }_{1}, \cdots {\mu }_{A} $ |
7 对$ {\left\{{s}_{i}\right\}}_{i=1}^{A} $ 和$ {\left\{{f}_{i}\right\}}_{i=1}^{A} $ 进行归一化处理 |
8 使用学习率$ l{r}_{c} $ 的Adam优化器更新判别网络参数$ {\theta }_{D} $ ,使公式(2)中的 最大化 |
| 9 end for |
10 生成模拟数据$ \left\{{f}_{1}, \cdots, {f}_{A}\right\} $ |
11 使用学习率$ l{r}_{v} $ 的Adam优化器中神经网络参数$ {\theta }_{NN} $ 从而更新$ {v}_{1} $ 和$ v $ ,使公式(2)中的 最大化 |
| 12 end for |
| 13 end for |
14 return 最终反演速度模型为$ \hat{v} $ |
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