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分析了相位干涉仪测向系统中阵元在三维方向均存在位置误差对测向性能的影响,推导出阵元位置误差存在时测向误差公式;仿真了特定天线阵在不同平面度条件下测向误差分布;利用阵元位置修正改善了测向精度。为天线阵装配、测向误差校正等提供了技术参考。
The influence of position error of array element in direction measuring system on direction finding performance of phase interferometer is analyzed, and the formula of direction finding error is deduced when the position error of array element exists. The simulation results of the antenna array under different flatness conditions Error distribution; the use of array element location correction improves the accuracy of DF. It provides a technical reference for antenna array assembly, direction error correction and so on.