| 单脉冲雷达低空多路径建模与仿真分析 |
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| 引用本文： | 朱雅楠,倪晓峰.单脉冲雷达低空多路径建模与仿真分析[J].现代防御技术,2011,39(4). |
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| 作者姓名： | 朱雅楠 倪晓峰 |
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| 作者单位： | 1. 中国科学院研究生院,北京 100039;北京电子工程总体研究所,北京 100854
2. 北京电子工程总体研究所,北京,100854 |
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| 摘 要： | 雷达跟踪低空目标时,反射信号与直射信号一起(矢量相加后)进入雷达天线,从而引起回波信号在幅值和相位上的变化,造成严重的俯仰角测量误差.对多路径效应进行分析并建立了物理模型和数学仿真模型,根据实测数据与仿真结果进行对比分析,得到了多路径效应相关结论.
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| 关 键 词： | 单脉冲雷达 低空多路径 建模与仿真 |
Modeling and Simulation Analysis of Monopulse Radar Low Altitude Multipath |
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| ZHU Ya-nan,NI Xiao-feng.Modeling and Simulation Analysis of Monopulse Radar Low Altitude Multipath[J].Modern Defence Technology,2011,39(4). |
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| Authors: | ZHU Ya-nan NI Xiao-feng |
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| Institution: | ZHU Ya-nan1,2,NI Xiao-feng2(1.Graduate School of the Chinese Academy of Sciences,Beijing 100039 China,2.Beijing Institute of Electronic System Engineering,Beijing 100854,China) |
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| Abstract: | When the radar tracks the low altitude target,reflect signal enters into the radar antenna with the direct signal and it causes the phase and magnitude of echo signal to change,and makes serious error of radar pitching angle.The multi path effect is analyzed,and the physical model and mathematical simulation model are established.According to the compared factual measurement data and simulation result,some conclusion about multi-path effect can be acquired. |
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| Keywords: | monopulse radar low-altitude multi-path modeling and simulation |
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