基于ECEF坐标转换的AEWS数据配准算法

Registration Algorithm for AEWS based on ECEF Coordinate Transformation

数据配准是多传感器数据融合的先期处理过程。基于地心地固坐标系(ECEF)研究了预警机系统(AEWS)与地面雷达数据处理中心的数据配准问题。首先给出AEWS与地面雷达数据处理中心数据配准几何坐标转换算法;然后利用卡尔曼滤波实时估计出预警机对地面雷达数据处理中心的系统偏差,从而实时对预警机系统(AEWS)进行配准,计算机仿真结果证明了该算法的正确性和有效性。

Data registration is a prerequisite process in muli-sensor data fusion. Based on Earth- centered earth-fixed （ECEF） coordinate system, the problem of registration for Airborne Early Warning System （AEWS） and the ground data-processing center of radars is considered. The algorithm of coordinate conversion of AEWS and the ground data-processing center of radars is given at first. Then, the Kalman filter method is used to estimate the registration errors of AEWS simultaneously. Finally, the computers simulations are used to show the effectiveness and validation of the proposed AEWS registration algorithm.