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8 February 2001 Optical system of the multispectrum CCD camera used for Earth environment observation
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Abstract
A multiple spectrum CCD camera is presented in this paper. The camera is designed for the multiple small satellite remote sensing system that is suggested by Mr. Cheng Fangyun to observe two times every day over any place in the world. The camera designed for the remote sensing of the earth resources and its environment possesses the advantages of lighter weight and wider ground swath. It will be widely used for the mitigation of natural disasters such as forest fire, earthquake and flood, for the general survey of crops distribution, pests and estimation the yield of crops. The focal length of the camera is 154 millimeters, the field angle of view is about 29 degrees. For the orbit height of 772 kilometers, the ground swath reaches 400 kilometers, and the ground resolution is 50 meters. The camera uses a 10 microns CCD working at the visible spectrum. The four visible and near IR channels are 0.45-0.52, 0.52-0.60, 0.63- 0.69, and 0.76-0.90 micron. The total weight of the camera is 12 kilograms.
© (2001) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jianfeng Yang and Baochang Zhao "Optical system of the multispectrum CCD camera used for Earth environment observation", Proc. SPIE 4151, Hyperspectral Remote Sensing of the Land and Atmosphere, (8 February 2001); https://doi.org/10.1117/12.416995
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