说明：  用vc来写的卡尔曼滤波程序实现了车辆惯性导航系统的卡尔曼滤波，包括定位结算，姿态校正，速度校正等
(Vc to write with Kalman filtering process to achieve a vehicle inertial navigation system of the Kalman filter, including the positioning settlement, posture correction, the speed of correction)