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12 March 2021 The ground surveillance performance of equatorial remote sensing constellations
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Proceedings Volume 11763, Seventh Symposium on Novel Photoelectronic Detection Technology and Applications; 117639M (2021) https://doi.org/10.1117/12.2587851
Event: Seventh Symposium on Novel Photoelectronic Detection Technology and Application 2020, 2020, Kunming, China
Abstract
For medium and low latitudes, the N-hour repeating equatorial orbit is a new option for remote sensing satellites, which can realize multiple revisits per day, and revisit at the same local time revisits on different days. The remote sensing constellation formed by equatorial satellites could easily achieve rapid revisit, or even continuous observation. Therefore, the ground surveillance performance is critical for the system design of equatorial remote sensing constellations. In this paper, the latitude coverage characteristics of equatorial satellites are analyzed. This paper also assesses the constellation size required to achieve continuous observation of targets in different latitudes. The staring imaging time durations of satellites in the prograde and retrograde constellation are analyzed respectively.
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Yuchen Bai, Huan Yin, Zhaoguang Bai, Sizhou Dong, and Han Gao "The ground surveillance performance of equatorial remote sensing constellations", Proc. SPIE 11763, Seventh Symposium on Novel Photoelectronic Detection Technology and Applications, 117639M (12 March 2021); https://doi.org/10.1117/12.2587851
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