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Analysis of Moving Target Detection in Space-Surface BiSAR

Analysis of Moving Target Detection in Space-Surface BiSAR
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摘要 Based on the geometric structure of multi-channel space-surface bistatic aperture radar（SS-BiSAR）,the time-frequency and spatial-frequency relationships of clutter and moving target are detailedly analyzed.It is found that the prepositive stationary receiver can improve the spatial separation between moving target and correspondingly competitive clutter,furthermore the processing scheme of space-time adaptive processing（STAP） in SS-BiSAR echo domain is given.Meanwhile,compared to the STAP in monostatic synthetic aperture radar（SAR）,it is firstly proved that the minimum detectable velocity in SS-BiSAR system can improve R0/R1（transmitter-to-target distance over receiver-to-target） times.Finally,the computer simulation verifies the effectiveness of the STAP processing scheme. Based on the geometric structure of multi-channel space-surface bistatic aperture radar（SS-BiSAR）,the time-frequency and spatial-frequency relationships of clutter and moving target are detailedly analyzed.It is found that the prepositive stationary receiver can improve the spatial separation between moving target and correspondingly competitive clutter,furthermore the processing scheme of space-time adaptive processing（STAP） in SS-BiSAR echo domain is given.Meanwhile,compared to the STAP in monostatic synthetic aperture radar（SAR）,it is firstly proved that the minimum detectable velocity in SS-BiSAR system can improve R0/R1（transmitter-to-target distance over receiver-to-target） times.Finally,the computer simulation verifies the effectiveness of the STAP processing scheme.
作者 胡程 田卫明 曾涛 周超
机构地区 Radar Research Laboratory
出处 《Journal of Beijing Institute of Technology》 EI CAS 2010年第4期460-465,共6页 北京理工大学学报（英文版）
基金 Sponsored by the National Natural Science Foundation of China(60890071-17 60890072-13 60890073)
关键词 space-time adaptive processing（STAP） space-surface bistatic synthetic aperture radar（SSBiSAR） performance improvement minimal detectable velocity space-time adaptive processing（STAP） space-surface bistatic synthetic aperture radar（SSBiSAR） performance improvement minimal detectable velocity
分类号 TN958 [电子电信—信号与信息处理]
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参考文献14

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Journal of Beijing Institute of Technology
2010年 第4期

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