Parameter Inversion of Stratified Media Based on  Time Domain Reflection Data

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Parameter Inversion of Stratified Media Based on Time Domain Reflection Data

更新时间：2025-12-08

- Parameter Inversion of Stratified Media Based on Time Domain Reflection Data
- Acta Electronica Sinica Issue 9, Pages: 59-62(1999)
- 作者机构：
  
  1. 中国科学院空间科学与应用研究中心,北京,100080
  2. 西安交通大学电子与信息工程学院,西安,710049
  3. 中国科学院空间科学与应用研究中心!北京100080西安交通大学电子与信息工程学院,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： O441
- Published：1999
- 稿件说明：
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[1]董晓龙,汪文秉.基于时域反射数据的分层媒质的参数反演[J].电子学报,1999(09):59-62.

Dong xiaolong. Parameter Inversion of Stratified Media Based on Time Domain Reflection Data[J]. Acta Electronica Sinica, 1999, (9): 59-62.
[1]董晓龙,汪文秉.基于时域反射数据的分层媒质的参数反演[J].电子学报,1999(09):59-62. DOI：

Dong xiaolong. Parameter Inversion of Stratified Media Based on Time Domain Reflection Data[J]. Acta Electronica Sinica, 1999, (9): 59-62. DOI：

摘要

本文根据双曲型偏微分方程的特征线理论分析了分层媒质参数与时域反射信号的因果关系，研究了基于时域反射数据的分层媒质的参数反演的离散化模型．结果表明，仅仅依靠电场（域磁场）的时域散射数据，不能实现分层有耗媒质介电常数和电导率的同时反演．数值模拟结果证明了理论分析的结论．

Abstract

Using the characteristic line theory of hyperbolic partial differential equations

relations between the reflected signals and the dielectric parameters of the stratified media are analyzed.Studies about the discretized model of marching on in time parameter inversion show the impossibility of simultaneous inversion of the permittivity and conductivity.Numerical simulation shows the validity of the theoretical analysis result.

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