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引用本文：

杨军佳,毕大平,陈慧,等.三站无源时差定位系统噪声干扰效果分析[J].电讯技术，2012，52（11）： - . [点击复制]
YANG Jun-jia,BI Da-ping,CHEN Hui,et al.Analysis of noise jamming effect on tri-station passive TDOA location system[J].，2012，52（11）： - . [点击复制]

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三站无源时差定位系统噪声干扰效果分析
杨军佳,毕大平,陈慧,沈爱国
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(解放军电子工程学院，合肥 230037;安徽省电子制约技术重点实验室，合肥 230037)

摘要:

依据噪声干扰原理，对时差定位系统中同一侦察站受到不同强度的噪声干扰以及对不同侦察站受到同样强度的噪声干扰进行分析，并对干扰效果依次进行仿真。仿真结果表明，噪声干扰对三站无源时差定位系统的干扰效果随着侦察站接收到的干信比的增大而增大，并且干扰主站的效果优于干扰副站的效果。这为以后主动保护辐射源位置提供了一个新的思路。

关键词: 时差定位定位误差噪声干扰干扰效果分析

DOI：

基金项目:国防预研究基金资助项目(41101030403)

Analysis of noise jamming effect on tri-station passive TDOA location system

YANG Jun-jia,BI Da-ping,CHEN Hui,SHEN Ai-guo

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Abstract:

Based on the principle of noise jamming,the situations of the same rec onnaissance station interfered by the different intensity noise and different reconnaissance stations interfered by the same intensity noise are analysed, and the jamming effect is simulated sequencely.The simulation results show that the noise jamming effect on tri-station passive TDOA(Time Difference of Arrival ) location system becomes better as the interference power and information power ratio received by reconnaissance station becomes bigger,and that the noise jamming effect on primary station is better than on assistant station.This provides a new way to protect the loca tion of radiation source actively.

Key words: TDOA location positioning error noise interference jamming effect analysis