本文首先介绍了伪随机脉冲估计原理;然后利用一组北斗卫星导航系统实测数据,采用动力学法和简化动力学法分别确定导航卫星精密轨道,并对两种方法的结果进行了比较分析;最后讨论了利用伪随机脉冲的简化动力学法在北斗导航卫星定轨中的应用问题。
The principle of pseudo - stochastic pulse estimation is proposed. Utilizing a set of actual BeiDou observations, tile BeiDou satellites precise orbits are obtained using two methods. One is dynamic method, the other is reduced -dynamic ap- proach. The results are analyzed. The applications of differential method to BeiDou orbit determination are discussed.