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分析了中低轨卫星多普勒频率模型特性,采用数据拟合法对多普勒数据进行处理,有效抑制随机误差。仿真结果表明,经过处理后的观测数据精度得到了明显提高。
The characteristics of low-orbit satellite Doppler frequency model are analyzed, and the data fitting method is used to process the Doppler data to effectively suppress the random error. Simulation results show that the precision of the observed data has been significantly improved.