Discrimination and Suppression of Active-Decoys Jamming in PolSAR

DAI Da-hai; WANG Xue-song; XIAO Shun-ping; LI Yong-zhen

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Discrimination and Suppression of Active-Decoys Jamming in PolSAR

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- Discrimination and Suppression of Active-Decoys Jamming in PolSAR
- Acta Electronica Sinica Vol. 35, Issue 9, Pages: 1779-1783(2007)
- 作者机构：
  
  国防科技大学电子科学与工程学院,湖南,长沙,410073
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN957
- Published：2007
- 稿件说明：
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DAI Da-hai, WANG Xue-song, XIAO Shun-ping, et al. Discrimination and Suppression of Active-Decoys Jamming in PolSAR[J]. Acta Electronica Sinica, 2007, 35(9): 1779-1783.
DOI：

DAI Da-hai, WANG Xue-song, XIAO Shun-ping, et al. Discrimination and Suppression of Active-Decoys Jamming in PolSAR[J]. Acta Electronica Sinica, 2007, 35(9): 1779-1783. DOI：

摘要

本文针对分时极化测量体制

研究了极化合成孔径雷达(PolSAR)有源假目标干扰的鉴别与对消问题.首先建立了真实雷达目标和有源假目标干扰的极化信号模型

指出了真实雷达目标和有源假目标干扰的极化特性差异.在此基础上

提出了一种在慢时间多普勒域进行有源假目标干扰鉴别和对消的原理和方法

并给出了抗有源假目标干扰的PolSAR成像的工程实现流程.仿真实验验证了该方法的有效性.

Abstract

For time division polarization measurement

the problem of discrimination and suppression of active-decoys jamming in Polarimetric Synthetic Aperture Radar(PolSAR) is studied.Firstly

the signal models of real targets and active-decoys for PolSAR are presented.Then

their differences in polarization domain are analyzed.Based on their difference of polarization characteristics

a novel method for discrimination and suppression of active-decoys jamming in Doppler domain is proposed.Finally

the scheme of the PolSAR image formation which can remove active-decoys jamming is proposed.Its validity is proved by the simulated experimental results.

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