Aircraft Attitude Determination Based on Combined Carrier Phase

Abstract

Abstract: A short baseline ambiguity resolution method based on combined carrier phase was proposed to realize the fast ambiguity resolution in global navigation satellite system (GNSS) attitude determination. The resolution method can realize the ambiguity resolution in one epoch. According to the ambiguity resolution results, the baseline vector was calculated with the leastsquares theory and the attitude of the aircraft was determined. Simulation results show that this method can get more than eight satellites’ ambiguities in one epoch. It is of great significance in the field of GNSS attitude determination. Attitude determination results show that both errors of yaw and pitch are less than 0.2°. The fast resolution of ambiguity makes it possible for the GNSS attitude determination in the field of aeronautics and astronautics.

Key words: combined carrier, ambiguity resolution, leastsquares theory, baseline vector, attitude determination

CLC Number:

V 249.3

ZHAO Guorong,LIU Shuai,GAO Chao,ZENG Bin. Aircraft Attitude Determination Based on Combined Carrier Phase[J]. Journal of Shanghai Jiaotong University, 2017, 51(8): 977-983.

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