A Method to Compensate Wall Effects in the Image Domain for SAR Through-the-Wall Imaging

doi:10.3969/j.issn.0372-2112.2012.07.022

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A Method to Compensate Wall Effects in the Image Domain for SAR Through-the-Wall Imaging

更新时间：2025-07-08

- A Method to Compensate Wall Effects in the Image Domain for SAR Through-the-Wall Imaging
- Acta Electronica Sinica Vol. 40, Issue 7, Pages: 1423-1428(2012)
- 作者机构：
  
  国防科学技术大学电子科学与工程学院,湖南,长沙,410073
- 作者简介：
- 基金信息：
  
  Foundation for the Author of National Excellent Doctoral Dissertation of PR China (No.201046);Program for New Century Excellent Talents in University (No.NCET-10-0895)
- DOI：10.3969/j.issn.0372-2112.2012.07.022
  CLC： TN957
- Published：2012
- 稿件说明：
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A Method to Compensate Wall Effects in the Image Domain for SAR Through-the-Wall Imaging[J]. Acta Electronica Sinica, 2012, 40(7): 1423-1428.
DOI：

A Method to Compensate Wall Effects in the Image Domain for SAR Through-the-Wall Imaging[J]. Acta Electronica Sinica, 2012, 40(7): 1423-1428. DOI： 10.3969/j.issn.0372-2112.2012.07.022.

摘要

合成孔径雷达(SAR)穿墙成像中的关键问题是对墙体影响的补偿.而墙体参数通常为未知量

获得其值后才能进行补偿.本文在定量分析了墙体对墙后目标聚焦和定位影响的基础上

提出了一种图像域墙体影响补偿方法.该方法基于传统成像算法获得的图像及其滤波结果进行墙体参数估计

具有估计精度高和计算量小的优点.仿真结果验证了本文提出的方法能够实现墙后目标的精确聚焦和定位.

Abstract

Compensation of wall effects is the key problem of Synthetic Aperture Radar (SAR) in through-the-wall imaging.Wall parameters are usually unknown

which are essential for wall effects compensation.In this paper

an approach to compensate wall effects in the image domain is proposed on the quantitative analysis of the wall effects on focusing and locating of behind-the-wall targets.The proposed method estimates the wall parameters from the image formed by traditional image formations and its filtered results

which has the advantages of high precision and low computational burden.It is validated that the proposed method can precisely focus and locate behind-the-wall targets using simulated data.

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