基于系统目标轨迹的EKF仿真,其中包含数据分析函数、EFK函数、距离判断功能块函数、状态仿真功能块函数、以及基于EKF的系统目标轨迹仿真的simulink。-Including data analysis function, EKF function,distance judgement function, state simulation function , and system based on EKF target trajectory simulation of the simulin