基于多时隙联合的平面阵相位和差测角算法_第二期_2025_社会经济与发展

摘要：平面阵单脉冲测角是目前一种应用广泛的角度估计技术。其测角性能依赖于较好的幅相校准作为前提。当和差通道引入的相位误差较大时，会导致测角误差骤增，甚至产生测角极性上的错误。为解决这一问题，本文提出了一种基于多时隙联合的测角算法。该算法首先对由天线波束指向变化而产生的和差通道相位畸变进行动态校正，使得和差通道相差保持为 90°。在此基础上通过连续多时隙测角策略来得到正确的偏角方向。仿真结果表明该测角算法可以在天线和差通道未经过幅相校准的情况下获得正确的方位俯仰偏角结果。

关键词：单脉冲测角；幅相校准；和差通道；多时隙测角；方位俯仰偏角1991, 39(3): 273-284.Signal Processing, 2013, 61(1): 38-43.Propagation Letters, 2021, 20: 1024-1028.

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