外辐射源多通道前视SAR接收机系统设计与实现  

Design and Implementation of Multi-channel Forward-looking SAR Receiver System with Uncooperative Illuminators

作　　者：王承昊 刘飞峰[1,2] 王战泽 徐智祥 WANG Chenghao;LIU Feifeng;WANG Zhanze;XU Zhixiang(Radar Research Laboratory,School of Information and Electronics,Beijing Institute of Technology,Beijing 100081,China;Key Laboratory of Electronic and Information Technology in Satellite Navigation(Beijing Institute of Technology),Ministry of Education,Beijing 100081,China)

机构地区：[1]北京理工大学信息与电子学院雷达技术研究所,北京100081 [2]卫星导航电子信息技术教育部重点实验室(北京理工大学),北京100081

出　　处：《信号处理》2022年第1期55-63,共9页Journal of Signal Processing

基　　金：国家自然科学基金项目(61601032,62071045)。

摘　　要：外辐射源多通道前视双基地SAR作为一种新体制观测系统,具有构型设计灵活、前视成像幅宽大、目标区域信噪比高、隐蔽性强、成本低、部署便捷等显著优势。为了拓展外辐射源多通道前视双基地SAR的应用实践,本文设计了一种新型小型化外辐射源多通道前视双基地SAR接收机系统,可部署于地面和小型无人机上,并完成了原理样机的整机集成和调试,在实验室环境下输入频率步进的单频点信号进行测试,并进行了实测场景成像实验,验证了系统设计的正确性和实用性。As a new observation system,the multi-channel forward-looking bistatic SAR with Uncooperative illuminators has significant advantages such as flexibility for configuration design,wide forward-looking imaging areas,High signal-to-noise ratio in target areas,strong concealment,low cost,and convenience for deployment.This paper designs a new miniaturized multi-channel forward-looking bistatic SAR receiver with uncooperative illuminators to expand the application practice of the system,which can be implemented on ground or mini UAV platforms,and complete the integration and debugging of the principle prototype,then input frequency stepped single-frequency signals in laboratory environment and carry out the actual imaging experiment,to verify the correctness and practicality of system design.

关 键 词：多通道前视SAR 双基地SAR 外辐射源 系统设计与实现 

分 类 号：TP79[自动化与计算机技术—检测技术与自动化装置]