文件名称:
Research on GPS attitude determination based on DPSO
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文件大小: 412kb
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上传时间: 2013-05-14
详细说明： GPS attitude determination is a key technology in aerospace, sailing and land-navigation etc. In the method of double difference phase measurement, it is a crucial topic to solve the carrier phase integer ambiguity, which is shown to be a combination optimization problem, and thus efficient heuristic algorithms are needed. In this paper, we propose a Discrete Particle Swarm Optimization (DPSO)- based solution which aims at searching for the optimal integer ambiguity directly without decorrelation of ambiguity, and computing the baseline vector consequently. A novel binary particle encoding approach and corresponding revision operation are presented. Furthermore, domain knowledge is incorporated to significantly improve the convergence rate. Through simulations, we demonstrate that the proposed algorithm is efficient for GPS attitude determination. ...展开收缩
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