基于组合载波相位的飞行器姿态确定

摘要/Abstract

摘要： 为解决全球导航卫星系统(GNSS)姿态测量中整周模糊度的快速求解问题，提出一种基于组合载波相位的短基线整周模糊度解算方法，利用单个历元的观测数据解算整周模糊度.根据多颗卫星的单频载波相位整周模糊度解算结果，应用最小二乘原理对基线向量进行精确求解，进而由基线向量确定出飞行器的姿态角.仿真结果表明，该模糊度解算方法在单个历元内至少能够解算出8颗卫星的载波相位整周模糊度，解决了GNSS动态测姿领域的一个关键性问题.测姿结果显示，偏航角和俯仰角的测量误差均小于0.2°.该研究成果可以为GNSS姿态测量系统在航空、航天等对实时性要求较高的领域中的应用创造条件.

关键词: , 组合载波, 模糊度解算, 最小二乘, 基线向量, 姿态测量

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

中图分类号:

V 249.3

赵国荣，刘帅，高超，曾宾. 基于组合载波相位的飞行器姿态确定[J]. 上海交通大学学报（自然版）, 2017, 51(8): 977-983.

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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