基于数字波束形成侦察技术研究  

Research on Reconnaissance Technology Based on Digital Beamforming

作　　者：刘治甬[1] 徐海洋[1] LIU Zhiyong;XU Haiyang(The 723 Research Institute of CSIC,Yangzhou 225001,China)

机构地区：[1]中国船舶重工集团第七二三研究所,江苏扬州225001

出　　处：《现代信息科技》2020年第15期70-72,75,共4页Modern Information Technology

摘　　要：文章分析了目前雷达侦察技术常用的多波束比幅测向和干涉仪比相测向的体制,针对复杂电磁环境下出现的抗干扰能力差等问题,提出采用数字波束形成技术的雷达侦察装置设计理念,阐述了该装置的总体设计和工作流程,对阵面波束合成及微弱信号检测技术进行了仿真,并分析了设计过程中面临的阵列天线、宽带数字波束形成、大带宽数据传输等关键技术。This paper analyzes the system of multi-beam amplitude comparison direction finding and interferometer phase comparison direction finding commonly used in radar reconnaissance technology.Aiming at the problem of poor anti-jamming ability in complex electromagnetic environment,the design concept of radar reconnaissance device using digital beam forming technology is proposed.The overall design and working process of the device are described,and the technology of front beamforming and weak signal detection is carried out.The key technologies of array antenna,wideband digital beamforming and data transmission are analyzed.

关 键 词：数字波束形成 雷达侦察 高灵敏度 

分 类 号：TN971[电子电信—信号与信息处理]