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基于频域模型的DS-CDMAUWB信号DOA的估计方法

DOI: 10.13190/jbupt.200603.44.xiab, PP. 44-47

Keywords: 到达角,二阶统计量,四阶累积量

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Abstract:

推导出了DS-CDMAUWB(directsequencecodedivisionmultipleaccessultrawidebandwidth)阵列信号的频域模型,在此基础上提出了2种基于该频域模型到达角的估计方法前者方法建立在二阶统计量的基础上;后者以四阶累积量为基础。仿真结果表明,这2种方法都能准确估计超宽带信号的到达角,但前者算法的复杂度低。

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