顾及不同天线夹角增益下的北斗星间Ka定轨仿真验证方法、系统及设备

By generating a simulation verification method for inter-satellite Ka orbit determination that takes into account different antenna angle gains, the problem of insufficient orbit determination accuracy and resource waste of high-orbit satellites in the BeiDou-3 system was solved, the inter-satellite link resource allocation was optimized, and precise orbit determination and resource conservation of high-orbit satellites were achieved.

CN121232227BActive Publication Date: 2026-07-17WUHAN UNIV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
WUHAN UNIV
Filing Date
2025-10-31
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

High-orbit satellites cannot meet the requirements for precise orbit determination in the BeiDou-3 system, and inter-satellite link resources are limited. The existing time slot planning table lacks optimization schemes, resulting in insufficient orbit determination accuracy and waste of resources.

Method used

By generating a simulation verification method for inter-satellite Ka orbit determination that takes into account different antenna angle gains, setting simulation observation parameters, simulating random and systematic errors, generating antenna pattern information, performing parameter estimation and precise orbit determination verification, and optimizing inter-satellite link resource allocation.

Benefits of technology

It has achieved the precise orbit determination requirements of high-orbit satellites, optimized the allocation of inter-satellite link resources, improved orbit determination accuracy and saved resources, and is adaptable to the link construction planning under different average visible BeiDou satellite numbers.

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Abstract

本发明涉及卫星导航定位技术领域,尤其涉及一种顾及不同天线夹角增益下的北斗星间Ka定轨仿真验证方法、系统及设备,其中该方法包括以下步骤:设置北斗星间Ka仿真观测值的开始时间、采样间隔、仿真时长与观测值噪声;模拟北斗星间Ka仿真观测值的随机误差与系统误差;生成天线方向图信息,完成不同天线夹角增益下的北斗星间Ka仿真观测值的生成;对北斗星间Ka仿真观测值进行参数估计与精密定轨验证。为优化当下北斗时隙规划表提供数据支持。
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