摘要
雷达探测的距离、方位角与目标应答的高度属于两个不同坐标系,无法使用坐标变换公式进行定位,为此提出了一种迭代求解方法。首先采用几何法求出雷达探测坐标系的俯仰角初始值,然后直接利用坐标变换公式给出求解的迭代算法。Matlab仿真数值实例表明了经度和纬度的定位误差均小于0.000 02°。
As the detection distance, azimuth and altitude are in different two coordinates, the positioning of the target can not be realized by coordinate transformation. So, an iterative method is presented for fusion positioning. Firstly, the initial values of elevation of spherical coordinate are solved by geometric arithmetic. Secondly, the iterative scheme is formed by coordinate transformation. A numerical example in Matlab software shows the positioning error of both the longitude and the latitude is less than 0. 00002 degree.
出处
《电讯技术》
北大核心
2011年第6期66-70,共5页
Telecommunication Engineering
关键词
舰载雷达
融合定位
双坐标系
坐标变换
迭代原理
shipborne radar
fusion positioning
double coordinates
coordinate transformation
iterative principle
