A Novel Method of Active Jamming for SAR Based on Micro Motion Modulation

WU Xiao-fang; DAI Da-hai; WANG Xue-song; LU Huan-zhang; BR

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A Novel Method of Active Jamming for SAR Based on Micro Motion Modulation

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- A Novel Method of Active Jamming for SAR Based on Micro Motion Modulation
- Acta Electronica Sinica Vol. 38, Issue 4, Pages: 954-0959(2010)
- 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：
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- Published：2010
- 稿件说明：
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WU Xiao-fang, DAI Da-hai, WANG Xue-song, et al. A Novel Method of Active Jamming for SAR Based on Micro Motion Modulation[J]. Acta Electronica Sinica, 2010, 38(4): 954-0959.
DOI：

WU Xiao-fang, DAI Da-hai, WANG Xue-song, et al. A Novel Method of Active Jamming for SAR Based on Micro Motion Modulation[J]. Acta Electronica Sinica, 2010, 38(4): 954-0959. DOI：

摘要

<FONT face=Verdana>借鉴微动调制思想，提出了一种SAR新型有源干扰方法。详细确定了各关键干扰参数，分析了干扰信号的成像结果，给出了一种基于数字射频存储技术的干扰实施方案，讨论了侦察误差对干扰效果的影响，并进行了基于实测数据的实验分析。结果表明，该干扰样式具有距离向相干处理、方位向部分相干处理的特点，可实现方位向多假欺骗的目的，是一种有效稳健的干扰方法。配合已装备或研制中的各类SAR干扰设备，可增强重要目标的防御能力和生存能力。

Abstract

<FONT face=Verdana>Using the idea of micro motion modulation for reference

a novel active jamming method is proposed for Synthetic Aperture Radar (SAR). Several key jamming parameters are determined

the jamming image result is analyzed

an implementation procedure based on Digital Radio Frequency Memory

well as the influence of reconnaissance errors on jamming performance

is put forward. Furthermore

simulation experiments have been done based on the raw data. The result shows that

this jamming signal is processed coherently in the range direction and partially coherently in the azimuth direction

which can produce multiple false targets in the azimuth direction. As an effective and sound jamming

this method

along with multiple equipped or developing jamming equipments

can enhance the defense and survivability for important targets.

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