| 收发分置相控阵雷达直达波抑制技术 |
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| 引用本文： | 曹金坤,孙 涛,李 琨.收发分置相控阵雷达直达波抑制技术[J].电讯技术,2012,52(12):1881-1886. |
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| 作者姓名： | 曹金坤 孙 涛 李 琨 |
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| 作者单位： | 盲信号处理重点实验室，成都 610041;盲信号处理重点实验室，成都 610041;西南电子电信技术研究所，成都 610041 |
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| 基金项目： | 国家高技术研究发展计划(863计划)项目（2010AA7034500） |
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| 摘 要： | 分析了收发分置数字阵列相控阵雷达中直达波问题,研究了收发分置数字阵列相控阵雷达中直达波抑制方法,根据收发分置数字阵列相控阵雷达的工作方式、信号处理流程等特点以及雷达的实际应用,可采用收发隔离、数字波束形成零点抑制、异频滤波、自适应对消及脉冲压缩增益6个环节进行直达波抑制,理论分析和仿真结果表明所给出的直达波抑制方法能有效解决收发分置数字阵列相控阵雷达直达波干扰问题。
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| 关 键 词： | 数字阵列相控阵雷达 收发分置 直达波抑制 自适应数字滤波器 |
Direct interference suppression technology for bistatic digital phased array radar |
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| CAO Jin-kun,SUN Tao and LI Kun.Direct interference suppression technology for bistatic digital phased array radar[J].Telecommunication Engineering,2012,52(12):1881-1886. |
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| Authors: | CAO Jin-kun SUN Tao and LI Kun |
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| Affiliation: | 1.National Key Laboratory of Blind Signal Processing,Chengdu 610041,China;2.Southwest Electronics and Telecommunication Technology Research Institute,Chengdu 610041,China) |
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| Abstract: | The problem of direct-path-interference in the bistatic digital phased array r
adar is analysed.According to the radar work mode,sig
nal processing architecture and radar practical application,several technologies
are studied including transmitter-receiver isolat
ion,digital beam adaptive nulling,frequency agility,adaptive canceling and pulse
compression to solve above problem. The theoretical ana
lysis and computer simulation indicate that the presented technologies can solve
the problem of direct-path-interference in the bistatic digital array radar. |
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| Keywords: | digital phased array radar bistatic radar direct-path-interference adaptive digital filter |
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