Research on high-precision trajectory calculation method based on rendezvous survey

Zuomin Xie; Tao Liu; Haibin Zou; Jie Qin

doi:10.1117/12.2627600

11 March 2022 Research on high-precision trajectory calculation method based on rendezvous survey

Zuomin Xie, Tao Liu, Haibin Zou, Jie Qin

Proceedings Volume 12160, International Conference on Computational Modeling, Simulation, and Data Analysis (CMSDA 2021); 121600N (2022) https://doi.org/10.1117/12.2627600
Event: International Conference on Computational Modeling, Simulation, and Data Analysis (CMSDA 2021), 2021, Sanya, China

Abstract

In the traditional rocket launch and weapon test, in order to determine the space coordinates and speed of the flying target, the traditional two-station or multi-station theodolite rendezvous measurement method is used. Due to the accuracy of the theodolite angle measurement, the target positioning error increases linearly with the increase of distance. At present, the mainstream method for real-time high-precision calculation of exterior ballistics is the large triangle rendezvous measurement method, which has the advantages of flexible test stations, long operating distance, less accumulated data, and simple calculation method. It is a good solution for long-distance rendezvous measurement and other equipment real-time guidance. This paper optimizes and upgrades the intersection measurement method of the big triangle. When more than 3 fixed-site radars/USB devices are invested, a method based on Gauss-Markov trajectory estimation is designed. Ranging and speed measurement (nRR’, >3) for joint calculation. When there are more device, the ballistic accuracy obtained by calculation is higher, which is suitable for real-time data processing of rocket launch and weapon test.

Citation Download Citation

Zuomin Xie, Tao Liu, Haibin Zou, and Jie Qin "Research on high-precision trajectory calculation method based on rendezvous survey", Proc. SPIE 12160, International Conference on Computational Modeling, Simulation, and Data Analysis (CMSDA 2021), 121600N (11 March 2022); https://doi.org/10.1117/12.2627600

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