Three Aperture Airborne SAR-GMTD Based on CSI Processing

ZHANG Xu-jin; ZHANG Chang-yao; ZHU Zhao-da; DENG Hai-tao

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Three Aperture Airborne SAR-GMTD Based on CSI Processing

更新时间：2025-07-16

- Three Aperture Airborne SAR-GMTD Based on CSI Processing
- Acta Electronica Sinica Vol. 36, Issue 4, Pages: 789-793(2008)
- 作者机构：
  
  1. 南京航空航天大学电子信息工程学院,江苏,南京,210016
  2. 华东电子工程研究所,安徽,合肥,230031
  3. 南京航空航天大学电子信息工程学院江苏南京,210016
  4. 华东电子工程研究所安徽合肥,230031
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN957
- Published Online：25 April 2008，
  
  Published：2008
- 稿件说明：
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ZHANG Xu-jin, ZHANG Chang-yao, ZHU Zhao-da, et al. Three Aperture Airborne SAR-GMTD Based on CSI Processing[J]. Acta Electronica Sinica, 2008, 36(4): 789-793.
DOI：

ZHANG Xu-jin, ZHANG Chang-yao, ZHU Zhao-da, et al. Three Aperture Airborne SAR-GMTD Based on CSI Processing[J]. Acta Electronica Sinica, 2008, 36(4): 789-793. DOI：

摘要

本文运用杂波抑制干涉的方法来提高系统处理时的杂波对消能力

该方法通过在图像域直接补偿通道间相位差之后进行子图像间的两两对消

并进行动目标的相位干涉

以确定动目标的方位位置.因而能有效地完成被地杂波掩盖的地面慢速运动目标的检测、测速及高精度定位.最后给出了对部分实测数据采用32个方位脉冲相干积累对消后进行恒虚警检测的处理结果.

Abstract

According to the characteristic of the radar system

this paper applied clutter suppression interferometry (CSI) processing to improve clutter cancellation ability of the system.The processing compensates the difference phases for each receive channel in image domain and makes clutter cancellation between sub-images.According interfered phase of moving target to determine its azimuth location.So the approach can perform the detection

radial velocity estimation and accurate relocation of moving targets masked by ground clutter.Finally

show part processing results of the actual measured data recorded from the SAR/MTI system.

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Related Institution

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