本程序主要针对卡尔曼滤波程序进行仿真，主要为目标运动的轨迹估计，在观测信号中含有距离和速度信息！程序正确完整，适合了解卡尔曼的同事学习交流！(This program is mainly aimed at the kalman filter program simulation, mainly for the target movement trajectory estimation, in the observation signal contains distance and speed information! The program is correct and complete, it is suitable for the colleague of kalman to learn to communicate!)