Study on Geosynchronous Circular SAR
Hong Wen Lin Yun Tan Wei-xian Wang Yan-ping Xiang Mao-sheng
(Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China)
Guide null
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.
Key words ： Earth observation
Geosynchronous orbit
Synthetic Aperture Radar (SAR)
Circular SAR (CSAR)
Wide-field consistent observation
3-D imaging
Received: 2015-05-22;
Published: 2015-06-30
Fund: null
Cite this article:
. Study on Geosynchronous Circular SAR[J]. JOURNAL OF RADARS, 2015, 4(3): 241-253.
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2015, Vol. 4 
