船载高频地波雷达目标方位校正的时域DBF方法Time-Domain DBF Compensation Method for Shipborne HFSWR Direction Finding
杨开先,牛炯,张玲,武茂凯
摘要(Abstract):
为了提高船载高频地波雷达方向角检测的精度,本文提出了一种在时域补偿相位误差的方法。本方法解决了雷达回波信息处理过程中的相参积累过程对误差不断累积的难点,实现了在时域数据的处理过程中对各种原因导致的角度偏差的补偿。本文通过仿真和实测数据分别对频域和时域补偿方法做了分析和比较,研究结果表明,时域补偿方法较频域补偿方法更加准确有效。
关键词(KeyWords): 船载高频地波雷达;阵列数据处理;时域波束合成;方位角估计
基金项目(Foundation): 国家重点研究发展计划项目(2017YFC1405202);; 国家自然科学基金项目(51979256)资助~~
作者(Author): 杨开先,牛炯,张玲,武茂凯
DOI: 10.16441/j.cnki.hdxb.20210228
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