GPS卫星定位中滤波算法的实现，采用UKF对机动目标实现定位，可现实定位误差。可参考-GPS satellite positioning in the filter algorithm implementation, using UKF for maneuvering targets to achieve positioning, positioning errors can be the reality. Refer

GPS定位采用UKF滤波方式。包括调用的数据dat文件（选用卫星数据和机动目标运行轨迹数据）和调用的sigma点生成子程序。运行可观察定位误差（位置、速度和加速度）-GPS positioning using UKF filtering method. The data include call dat file (optional operation of satellite data and maneuvering target trajectory data) and the sigma

用于简单的GPS仿真，四颗卫星定位，利用卡尔曼滤波降低随机误差-For GPS simulation, four satellite using Kalman filtering to reduce random errors