GPS载体姿态测量中的LAMBDA方法研究

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2001, Vol. 22 ›› Issue (1): 61-63.

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LAMBDA METHOD FOR RIGID BODY ATTITUDE DETERMINATION BASED ON GPS

WANG Hui-nan, YING Jin-dong

Department of Automatic Control, Nanjing University of Aeronautics and Astronatics, Nanjing 210016, China

Received:2000-02-15 Revised:2000-06-20 Online:2001-02-25 Published:2001-02-25

Abstract

Abstract:

The rigid body's attitude determination is discussed using two baselines based on GPS; baseline vector coordinates are calculated with GPS carrier phase interference, and integer ambiguities are calculated with LAMBDA method. CPU time figure shows that this method calculates integer ambiguities quickly and correctly, which has good application value for real time attitude determination systems.

Key words: GPS, at t itude determ inat ion, integer ambiguity, least2square

WANG Hui-nan;YING Jin-dong. LAMBDA METHOD FOR RIGID BODY ATTITUDE DETERMINATION BASED ON GPS[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2001, 22(1): 61-63.

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LAMBDA METHOD FOR RIGID BODY ATTITUDE DETERMINATION BASED ON GPS

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