用卡尔曼滤波对一段相位差及其变化率数据进行滤波处理,给出结果并与真实的相位差变化率数据进行仿真对比.结果说明卡尔曼滤波有效-Kalman filter for a period of phase change rate data filtering and processing, given the results of phase with the real rate of change of the simulation data comparison results illustrate the Kalman filter effectively