卡尔曼滤波是一种数据处理方法，它是一种线性最小方差无偏估计准则，基于系统

状态估计和当前观测，通过引入状态空间而获得的新的状态估计.本篇论文陈述了卡尔曼滤

波的基本思路和算法；并通过仿真，显示卡尔曼滤波的功能，以及如何用它来跟踪方向确定、速度恒定的飞行器。-Kalman filter is a data processing method, which is a linear minimum variance unbiased estimation criteria, based on system state estimation and the current observations, obtained by introducing the state space of the new state estimate of the Kalman filter thesis statement the basic ideas and algorithms　and through simulation, shows Kalman filtering functions, and how to use it to keep track of the direction determined constant speed aircraft.