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《Acta Geodaetica et Cartographica Sinica》 2006-04
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Failure Detection Method of Double Satellite Positioning in Its Integrated System with SINS

LIN Xue-yuan,HE You(Research Institute of Information,Naval Aeronautics Engineering Institute,Yantai 264001,China)  
"Beidou" double satellite positioning system,adopting two geosynchronous satellites to position,has the characteristic of high precision in positioning and active positioning mechanism.At first the filtering method of integrated positioning system of double satellite positioning system and SINS is introduced.Then a synthetic algorithm which combines the logic-based sliding window detection and predicted residual χ~2 statistics in failure detection of double satellite positioning system is provided,according to the characteristics and special problems existing in application of the double satellite positioning.The simulating results based on practical measurement prove this algorithm is feasible,and can effectively detect the failure of double-star positioning system.
【Fund】: 国防预研重点项目(2001-2005);; 全国优秀博士论文作者专项基金(2000036)
【CateGory Index】: P228.4
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