中文说明：
本程序为捷联惯导的解算程序(由惯性器件的输出解算出飞行器的位置、速度、姿态信息)和GPS的卡尔曼滤波程序
English Description：
This program is the solution program of strapdown inertial navigation (the position, velocity and attitude information of aircraft can be calculated by the output of inertial devices) and the Kalman filter program of GPS