FDEMtools：用于FDEM数据反演的MATLAB软件包
FDEMtools: a MATLAB package for FDEM data inversion
摘要：
电磁感应测量是对土壤特性进行非破坏性调查的最流行的技术之一，目的是检测地面不均匀性或特定物质的存在。本文介绍了一个MATLAB软件包，用于地面电导率仪采集的电磁数据的反演。该软件基于用于描述电磁场与土壤之间相互作用的非线性正演模型，通过正则化阻尼高斯-牛顿方法重建土壤随深度的电导率或导磁率。该算法的正则化部分基于对非线性模型的雅可比矩阵的低秩近似。松弛因子和正则化参数均由自动程序选择。该软件包允许用户使用合成数据集和不同的正则化策略进行实验，以比较它们并得出结论。
英文摘要：
Electromagnetic induction surveys are among the most popular techniques for non-destructive investigation of soil properties in order to detect the presence of either ground inhomogeneities or of particular substances. This work introduces a MATLAB package for the inversion of electromagnetic data collected by a ground conductivity meter. Based on a nonlinear forward model used to describe the interaction between an electromagnetic field and the soil, the software reconstructs either the electrical conductivity or the magnetic permeability of the soil with respect to depth, by a regularized damped Gauss-Newton method. The regularization part of the algorithm is based on a low-rank approximation of the Jacobian of the nonlinear model. Both the relaxation parameter and the regularization parameter are chosen by automatic procedures. The package allows the user to experiment with synthetic data sets and different regularization strategies, in order to compare them and draw conclusions.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
