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为了分析舰船姿态角对雷达测角误差的影响,根据舰船姿态角与目标空间位置的三维立体关系,建立误差模型的量化公式。利用坐标系中Z轴指向的变化分析测角误差变化的新思路,得出偏航角不影响误差的变化,俯仰角与方位角误差曲线变化的趋势相反,测角误差的最大值可以预测的结论。计算机仿真结果验证了结论的正确性。
In order to analyze the influence of ship attitude angle on the radar goniometry error, a quantitative formula of the error model is established according to the three-dimensional relationship between the ship attitude angle and the target space position. The change of azimuth error is analyzed based on the change of Z-axis direction in the coordinate system. The result shows that the yaw angle does not affect the change of error. The trend of pitch angle and azimuth error curve is opposite. The maximum value of angle error can be predicted in conclusion. Computer simulation results verify the correctness of the conclusion.