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

使用点源法计算重力异常的子程序。通过主程序调用解决不同问题。-Calculated using the point source of gravity anomalies subroutine. Call by the main program to solve different problems.

内含串口等待方式接收数据子程序~~用到串口收发数据时比较方便调用-Waits for receiving data containing serial subroutine ~ ~ more convenient when used in serial data transceiver call