地球同步轨道圆迹SAR研究

洪文; 林赟; 谭维贤; 王彦平; 向茂生

doi:10.12000/JR15062

地球同步轨道圆迹SAR研究

doi: 10.12000/JR15062

(中国科学院电子学研究所北京 100190)

基金项目:

探索研究项目和国家自然科学基金(61431018, 61201404)资助课题

详细信息

作者简介:
洪文(1968-),女,1997年毕业于北京航空航天大学,获工学博士学位.研究经历包括北京航空航天大学电子工程系副教授、德国宇航院雷达与微波技术所客座研究员等,现为中国科学院电子学研究所研究员,博士生导师,院优秀教师获得者,中科院“百人计划”.主要研究方向为极化/极化干涉合成孔径雷达数据处理及应用、3维微波成像新概念新体制新方法等.E-mail:whong@mail.ie.ac.cn;林赟(1983-),女,浙江人,2011年获得中国科学院电子学研究所博士学位,中国科学院电子学研究所助理研究员.研究方向为合成孔径雷达3维成像技术、多角度SAR成像基础理论与方法研究.E-mail:ylin@mail.ie.ac.cn;谭维贤(1981-),男,2009年毕业于中国科学院电子学研究所,获得工学博士学位,现为中国科学院电子学研究所副研究员.主要研究方向为微波3维成像、合成孔径雷达3维成像体制与算法等.E-mail:wxtan@mail.ie.ac.cn王彦平(1976-),男,2004年毕业于中国科学院电子学研究所,获得工学博士学位,现为中国科学院电子学研究所研究员.主要研究方向为极化干涉SAR数据处理、合成孔径雷达3维成像体制等.E-mail:ypwang@mail.ie.ac.cn向茂生(1964-),男,中国科学院电子学研究所研究员,博士生导师,研究方向为干涉合成孔径雷达系统技术和方法.E-mail:xms@mail.ie.ac.cn

通讯作者:
洪文whong@mail.ie.ac.cn

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出版历程
- 收稿日期: 2015-05-22
- 修回日期: 2015-06-10
- 网络出版日期: 2015-06-28

Study on Geosynchronous Circular SAR

(Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China)

Funds: null

摘要

摘要: 该文介绍了地球同步轨道圆迹合成孔径雷达(Geosynchronous Circular SAR, Geo-CSAR)的概念，通过设计同步轨道的轨道参数，可以形成近圆的卫星相对地球轨迹，使SAR载荷的凝视成像模式成为可能，实现对地的大面积定点连续观测以及真3维信息获取；研究分析了Geo-CSAR的成像能力，指出其在瞬时覆盖度、连续观测范围及3维精确定位方面，具有现有低轨星载SAR无法比拟的优势，是实现全球不间断覆盖的有效途径之一，在军事侦察、灾害监测方面具有重要的应用前景。
- 对地观测 /
- 地球同步轨道 /
- 合成孔径雷达 /
- 圆迹SAR /
- 大面积定点连续观测 /
- 3维成像
Abstract: The concept of Geosynchronous Circular SAR (Geo-CSAR) is introduced in this paper. With the design of the geosynchronous orbit parameters, a near-circular satellite sub-track could be formed to enable the staring imaging mode, which supports the advanced applications for wide-field and 3-D information acquisition under long-term consistent observation. This paper also analyzes Geo-CSAR's imaging formation capabilities, and concludes its attractive advantages over low-earth orbit spaceborne SAR in terms of instantaneous coverage, consistent observing area, 3-D positioning accuracy and etc.. Encouraging expectations for Geo-CSAR thus could be positively predicted in military investigation and disaster monitoring management applications.
- Earth observation /
- Geosynchronous orbit /
- Synthetic Aperture Radar (SAR) /
- Circular SAR (CSAR) /
- Wide-field consistent observation /
- 3-D imaging

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参考文献(28)

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