基于自适应卡尔曼滤波的环境函数模型修正

为更好地评价制导工具误差,提出一种对环境函数模型修正的方法。利用机动目标跟踪理论和环境函数模型,分别建立了状态方程和观测方程,并利用机动频率自适应算法和偏差协方差自适应算法进行卡尔曼滤波,得到更精确的平台坐标系视加速度。以某型导弹为例,分别用传统环境函数模型和改进后环境函数模型对一段时间内平台坐标系各轴进行了仿真,结果表明该模型有更好的计算结果。

Modification of Environmental Function Model Based on Adaptive Kalman Filter

In order to evaluate control tool error is better,put forward an environmental function model correction method.Establish state equations and observation equation,using tracking maneuvering target and observation function model.And then progress kalman filter according to maneuvering frequency adaptive algorithm and windage covariance adaptive algorithm,thereby,get a more accurate apparent acceleration of platform coordinate.Taking certain type missile as example,comparing the simulating results gotten by t...