Abstract

The aerospace TT&C system plays an important role in tracking spacecraft, and it is necessary for maintaining its good performance and precision. This paper focuses on the application of BeiDou satellite navigation system (BDS) in the precision verification of aerospace TT&C equipment, an algorithm model of the BDS kinematic relative positioning is proposed, and the feasibility of this algorithm is verified by an actual flight experiment. Based on above, the BDS precision verification system is constructed, and the composition, function, information interaction, and working principle of the system are introduced, several methods are studied such as kinematic relative positioning data processing method with BDS, data processing method for TT&C equipment and comparison analysis method, then a complete data processing flow is formed. Based on this system, the precision verification experiment of a TT& C equipment is completed, and various index of precision is obtained, which plays an important role in analyzing the performance of the aerospace TT&C equipment.

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