过采样天线阵列:超增益和分集性能

2007 International workshop on Antenna Technology: Small and Smart Antennas Metamaterials and Applications Pub Date : 2007-03-21 DOI:10.1109/IWAT.2007.370113

Tzung-I Lee, Y.E. Wang

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引用次数: 2

摘要

研究了近距离天线阵列的超增益特性和分集性能。通常认为，为了避免元素之间的相互耦合和关联，阵列间距必须大于0.5lambda。通过采用多端口阻抗匹配网络，将电过采样天线阵列分离成去耦和正交的辐射模式，从而实现超增益和分集增强。

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Oversampled Antenna Array: Supergain and Diversity Performance

Supergain property and diversity performance in closely spaced antenna array are demonstrated in this work. It is commonly believed that the array spacing has to be greater than 0.5lambda to avoid mutual coupling and correlation between the elements. By applying a multiport impedance matching network, electrically oversampled antenna array is separated into decoupled and orthogonal radiation modes, which lead to the supergain and diversity enhancement.

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2007 International workshop on Antenna Technology: Small and Smart Antennas Metamaterials and Applications

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