Image navigation based on landmark and earth edge measurements

被引:0
|
作者
Ong, KM [1 ]
Kamel, AA [1 ]
机构
[1] Space Syst Loral, Palo Alto, CA 94303 USA
来源
关键词
D O I
暂无
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
A new algorithm to navigate imagery data of a radiometer onboard a 3-axis stabilized geosynchronous satellite is presented. The algorithm determines the combined radiometer and satellite time varying attitude in near-real-time by ground processing of the radiometer imagery data. Reduction of the data yields pixel coordinates of landmarks with known geographic coordinates and the coordinates of the Earth's limb, A sequential batch algorithm is used to process these measurements to yield precise attitude information for accurate image navigation. Computer simulation verifies the stability of the algorithm even in the presence of rapid attitude variations making it suitable for practical implementation.
引用
收藏
页码:2085 / 2106
页数:22
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