Abstract
In operation and control system of BeiDou Navigation Satellite System (BDS) and international GNSS Monitoring and Assessment System (iGMAS), the single-station evaluation method of navigation signal is susceptible to environmental of the site area, so the reliability is poor. And the traditional multi-objective/multi-attribute comprehensive evaluation method has strong subjective randomness and lacks quantitative analysis. Aimed at above problem, a multi-station combined evaluation method for navigation signal tracking accuracy based on optimization weight was proposed. In the proposed method, the optimal comprehensive evaluation equation was establishing, and the optimized weights were calculated by solving equation. And last, the comprehensive evaluation result was obtained by using the optimized weights. Experimental and simulation results show that the proposed method is more robust than the single-station evaluation method and multi-objective/multi-attribute comprehensive evaluation method. And the proposed method can provide more objective, reliable and accurate evaluation results. The proposed method can provide effective theoretical guidance for the evaluation of tracking precision of Beidou operation and control system and iGMAS.
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