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COLD阵列近场源定位

Keywords: 极化敏感阵列,近场源,交叉偶极子-磁环天线

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Abstract:

利用特殊极化敏感阵列极化域的旋转不变性,提出了一种基于交叉偶极子-磁环天线(COLD)阵的近场源闭式定位算法.与现有方法相比,该算法无需高维搜索和高阶累积量运算,也无需参数配对,计算效率高;无需阵列具有对称结构,阵列孔径利用率高.COLD阵方法无需高阶项舍弃,与交叉偶极子阵方法相比,也不涉及接收模型的近似假设,性能更优越并可实现无偏定位.计算机仿真验证了所提算法的有效性.

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