Phase Estimation in Rebound Jamming Suppression by Two-Channel SAR

GAN Rong-bing; WANG Jian-guo; HE Chuan

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Phase Estimation in Rebound Jamming Suppression by Two-Channel SAR

更新时间：2025-07-16

- Phase Estimation in Rebound Jamming Suppression by Two-Channel SAR
- Acta Electronica Sinica Vol. 33, Issue 9, Pages: 1691-1693(2005)
- 作者机构：
  
  1. 电子科技大学电子工程学院,四川,成都,610054
  2. 电子对抗国防科技重点实验室,四川,成都,610036
  3. 电子科技大学电子工程学院四川成都,610054
  4. 电子对抗国防科技重点实验室四川成都,610036
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN974
- Published：2005
- 稿件说明：
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GAN Rong-bing, WANG Jian-guo, HE Chuan. Phase Estimation in Rebound Jamming Suppression by Two-Channel SAR[J]. Acta Electronica Sinica, 2005, 33(9): 1691-1693.
DOI：

GAN Rong-bing, WANG Jian-guo, HE Chuan. Phase Estimation in Rebound Jamming Suppression by Two-Channel SAR[J]. Acta Electronica Sinica, 2005, 33(9): 1691-1693. DOI：

摘要

在对抗对合成孔径雷达的弹射式干扰中

双路对消技术取得了较好的结果

但是对消的前提是知道两路中的干扰信号相位差.本文提供了一种有效的估计干扰信号相位差的方法.以两路对消后的能量最小为准则

采用以黄金分割法为基础的自动搜索算法

得到相位差.同时通过仿真实验验证了方法的正确性.

Abstract

As studied earlier

Two-Channel Cancellation method provides a good way to remove rebound jamming to SAR.But the estimation of the phase difference of the jamming signal is difficult

because the parameters needed to estimate the phase difference is usually unknowable.An automatic way to estimate the phase difference is provided in this paper.First a minimal power criterion is designed and adopted to estimate the phase.After that

an optimization algorithm was used for its estimation.Finally the performance of the method is verified by simulation result.It proves that our algorithm has good performance.

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