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针对地球曲率造成的电子战交叉定位误差问题,提出了一种基于高斯投影的迭代逼近定位算法,该方法采用高斯投影将传感器位置投影到同一坐标系,应用最小二乘法迭代逼近解算目标位置,最后将目标坐标逆投影回地理坐标系。仿真试验分析了影响定位的主要因素,证明该方法减小了曲率影响,提高了定位精度。
In order to solve the problem of cross-location error caused by earth curvature caused by earth curvature, an iterative approximation algorithm based on Gaussian projection is proposed. This method uses Gauss projection to project the sensor position to the same coordinate system and applies the least-squares iterative approximation to solve the target position. Finally, the target coordinate back projection back to the geographic coordinate system. The simulation test analyzes the main factors affecting the positioning, and proves that this method reduces the influence of curvature and improves the positioning accuracy.