一种用于机载系统定位的坐标转换方法

Coordinate Conversion Scheme for Airborne Position

基于地球椭球参考模型空间目标定位坐标系的建立,提出通过在飞机上测量地面目标方向角和斜距这二维坐标信息,而不需要测量方位角和俯仰角信息对目标进行定位的坐标转换方法,研究了算法误差和测量数据误差对定位精度的影响,并作了仿真分析,验证了算法的有效性。

Based on the three-dimensional coordinate conversion system on the elliptical earth reference model, a positioning scheme was proposed depending on the airborne receiver data of a ground object with the direction angle of the object relative to the receiver and the distance between the receiver and the object, while the azimuth and elevation angle measurements relative to the receiver were not used. After studying the effects of errors of the scheme and the measuring data on the precision of position, the scheme was proved to be feasible by simulation.