kal

代码说明：

说明：  卡尔曼滤波，我是从国外下载来得 ，大家看一下有什么问题，我不是很懂，最近正在做，有机会了和大家交流。(Kalman filtering, I was downloaded more from abroad, we have to look at what, I do not know very much about. recently are doing, and have the opportunity to share.)