空间电子技术2025，Vol.22Issue(1)：11-27,17.DOI:10.3969/j.issn.1674-7135.2025.01.002
高轨合成孔径雷达技术发展综述
A review of development of GEO SAR technology
摘要
Abstract
This paper reviews the research and development of geosynchronous synthetic aperture radar(GEO SAR)technology in recent years.Firstly,it introduces the typical GEO SAR systems proposed domestically and internationally under different technical routes,analyzes the orbit selection,system characteristics and main application of these systems and summarizes the research progress in large-scene imaging and moving target imaging algorithms for GEO SAR.Then,it describes the four key techniques that need to be broken through in GEO SAR systems,GEO SAR mission design,high-power transmitter technique,large deployable reflector antenna design and SAR imaging with long integration time.In terms of GEO SAR applications,the paper compares the advantages of GEO SAR over low-earth orbit SAR(LEO SAR)and analyzes the application prospects of GEO SAR in fields ranging from disaster prevention and rapid emergency response,marine target monitoring,to natural resource surveys.Finally,by summarizing and analyzing the existing technologies,the paper outlines the future development trends of GEO SAR technology.关键词
高轨卫星/合成孔径雷达/遥感/雷达载荷/SAR成像处理Key words
GEO satellite/synthetic aperture radar/radar remote sensing/radar payload/SAR imaging分类
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李锦伟,谭小敏,李财品,游冬,段崇棣,刘波,党红杏,李光廷,张庆君..高轨合成孔径雷达技术发展综述[J].空间电子技术,2025,22(1):11-27,17.基金项目
国家自然科学基金项目(编号:62107033) （编号:62107033）
