摘要
针对室内高精度定位中伪卫星网络的时钟同步问题,提出利用SCPA系统双向测距技术,基于卡尔曼滤波估计算法,实现伪卫星间时钟高精度同步的方法,并仿真验证了该方法的正确性,同步精度平均可达0.003ns。
According to the problem of time-synchronization in indoor high-precision positioning system,this paper advances a method that uses bidirectional ranging of SCPA(Self-Calibrating Pseudolite Array) theory and Kalman filtering estimation.According to the simulation result,the validity of this method is proved,and the precision of synchronization can reach 0.003ns.
出处
《遥测遥控》
2010年第3期8-11,20,共5页
Journal of Telemetry,Tracking and Command