海面目标星载微波辐射无源探测技术研究
投稿时间:2018-11-17  修订日期:2018-12-23  点此下载全文
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作者单位E-mail
卢海梁 中国空间技术研究院西安分院 396689lhl@163.com 
李一楠 中国空间技术研究院西安分院 liyinan_cast@126.com 
宋广南 中国空间技术研究院西安分院  
李淑婧 空军工程大学 综合电子信息系统与电子对抗技术研究中心  
李鹏飞 中国空间技术研究院西安分院  
王佳坤 中国空间技术研究院西安分院  
杨小娇 中国空间技术研究院西安分院  
杨东 中国空间技术研究院西安分院  
基金项目:国家自然科学基金(41706204),钱学森青年创新基金(QXSCXJJ2017-504),中国空间技术研究院西安分院自主研发课题(Y17-KJCX-04)
中文摘要:为了全天时、全天候、隐蔽性探测海面舰船目标,首次提出将高分辨率综合孔径微波辐射计作为星载微波辐射无源探测系统,用于探测海面舰船目标。提出一种新方法用于定量化评估微波辐射无源探测系统探测目标的能力;建立系统关键指标、目标微波辐射截面和探测距离间的关系,推导微波辐射无源探测系统的探测概率的计算方程和探测距离的计算方程;开展仿真分析和机载实验,其结果均表明高分辨率星载综合孔径微波辐射无源探测技术探测海面舰船目标是可行的。高分辨率星载微波辐射无源探测系统可作为我国天基预警体系的重要补充。
中文关键词:舰船目标  无源探测  微波  辐射计
 
The Research on the passive detection technology using space-borne synthesis aperture microwave radiometers for the sea surface target
Abstract:To detect the large-scale vessel targets in the whole day, all-weather and concealed, the synthesis aperture microwave radiometers with high resolution are proposed for the first time as a space-borne microwave thermal radiation passive detection system, which is used to detect large-scale vessel targets on the sea. A novel method is proposed to quantitatively evaluate the target detection capability of a space-borne microwave passive detection system. The relationship between system’s main specifications, the microwave radiation cross section of the target and the detection distance is established. The detection probability and the detection distance are derived. Simulation analysis and air-borne experiments are carried out. The simulation and experimental results both demonstrate the feasibility of the space-borne synthesis aperture microwave thermal radiation passive detection technology with high resolution to detect the large-scale vessel targets. The synthesis aperture microwave radiometers with high resolution can be used as an important complementary system for space-based warning.
keywords:vessel target,passive detection,microwave,radiometer
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