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本文对天线阵的导纳或散射参数提出了一种新的确定方法。在这里,阵列被当作一多端网络看待。这种方法要求应用混合接头,以便在被测的一对天线端口上提供二个不同的激励模式。对这二种激励模式测出每个端口上的反射系数,即可获得所需的参数。本文分析和讨论了这种方法的固有误差。验试结果证实了这种理论和测试步骤是切实可行的。
In this paper, a new method of determining the admittance or scattering parameters of an antenna array is proposed. Here, the array is treated as a multi-site network. This method requires the use of a hybrid connector to provide two different excitation modes on the pair of antenna ports under test. For each of these two excitation modes, the reflectance at each port is measured to obtain the required parameters. This article analyzes and discusses the inherent errors of this approach. The test results confirm that this theory and test steps are feasible.