说明：  文件当中包含两个KALMAN滤波程序： 1.最原始简单的kalman滤波程序； 2.通过KALMAN滤波解决的一个派生例子（一道数字信号处理题）； 效果不错
(Paper contains two KALMAN filtering procedures: 1. The most primitive simple kalman filtering procedures 2. KALMAN filter solution through an example derived (together with digital signal processing title) the effect of good)