经典的EFK雷达测量模型

构造数据为雷达采样数据，距离、俯仰角、方向角。

假设目标匀速直线运动，CV模型

状态变量用x，y，z，以及各自的导数

-EFK classic measurements of radar data for modeling radar sampling data, distance, pitch angle, direction angle. Goal of uniform linear motion assumption, CV model with state variables x, y, z, and their respective derivatives