稀疏阵列天线孔径综合的理论与技术

项目名称： 稀疏阵列天线孔径综合的理论与技术

项目编号： No.61271422

项目类型： 面上项目

立项/批准年度： 2013

项目学科： 无线电电子学、电信技术

项目作者： 李道京

作者单位： 中国科学院电子学研究所

项目金额： 65万元

中文摘要： 稀疏阵列天线孔径综合是利用在空间稀疏布设的多个天线子阵（子孔径），通过空－时－频多维信号处理，获得地物高分辨率图像和实现运动目标高分辨率探测的雷达技术，其主要应用方向为机载/艇载稀疏阵列天线雷达对地成像和运动目标高分辨率探测。 本项目系统地提出了基于稀疏阵列天线孔径综合的成像雷达概念和应用设想，拟研究稀疏阵列天线雷达体制和阵列天线布局理论、机载稀疏阵列天线雷达下视三维成像、艇载共形稀疏阵列天线雷达成像和高分辨率运动目标探测等内容，解决关键技术问题，形成新的雷达系统工作体制和信号处理方法，拟同时探索基于稀疏阵列的运动目标超高分辨成像概念，对我国稀疏阵列天线成像雷达新体制和信号处理技术的发展具有重要的意义。

中文关键词： 稀疏阵列；孔径综合；雷达成像；目标探测；三维成像

英文摘要： Sparse array antenna aperture synthesis is a radar technology that use sparse layout of multiple subarray (sub-aperture) antennas in space to get high-resolution images of surface features and achieve high resolution moving target detection through the space-time-frequency multi-dimensional signal processing. Its main application directions are airborne / airship sparse array antenna radar imaging and high-resolution moving target detection of small satellite radar formation systems. The project proposed imaging radar concepts and application ideas based on the sparse array antenna aperture synthesis, and will research on the sparse array antenna radar system and the array antenna layout theory, the airborne downward-looking sparse array antenna radar three-dimensional imaging, the airship conformal sparse array antenna radar imaging, and the high-resolution moving target detection based on sparse array etc. The project will solve key technical problems and form a new radar system and signal processing methods and be intended to explore the moving target super-resolution imaging concept based on sparse array. It has great significance to the development of sparse array antenna imaging radar system and signal processing technology for our country.

英文关键词： Sparse array；aperture synthesis；radar imaging；target detection；3-D imaging