The analysis of the influence of the array installation errors on the angle measurement accuracy of the phased array radar is important for the research and development of the high-performance phased array radar .The array installation errors-angle measurement accuracy model of the phased array radar is established .The angle measurement accuracy of the phased array radar with inclination error ,role-angle error and azimuth normal error is studied by simulation respectively .The precision of the deduced concise formula arrivers accuracy level of 0 .001° compared with the angle measurement accuracy error caused by array installation errors . The deduced formula and conclusion offers theoretical basis and engineering guidance for assigning the accuracy index of array installation and analyzing the accuracy out-of-tolerance problem of angle measurement .%分析阵面安装误差对相控阵雷达测角精度的影响,对研究和设计高精度相控阵雷达非常重要.建立了相控阵雷达阵面安装误差-测角精度误差模型,分别仿真分析了阵面倾角安装误差、阵面方位法向误差和阵面不水平度对相控阵雷达测角误差的影响.与理论公式相比,推导出的简约式用于计算阵面安装误差引起的测角误差分析时精度达0.001°量级,可以为相控阵雷达测角系统精度误差指标分配及测角精度超差问题分析定位提供快速、精确的理论依据和工程指导.
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