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A relation between the active input impedance and the active element pattern of a phased array

机译:相控阵的有源输入阻抗与有源元件图形之间的关系

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摘要

It is well known that the active element pattern of a phased array, obtained by driving a single radiating element of the array while all other elements are match terminated, can be expressed in terms of the scattering matrix parameters of the array. It is shown how this relationship can be inverted so that the scattering parameters for all elements of a phased array can be obtained from the active element patterns of the array. In addition, it is also possible to obtain the active input impedance of any element in the fully excited array, at any scan angle, from active element pattern data. The theory is developed for linear and planar arrays and an example is presented for a linear array of slot antenna elements.
机译:众所周知,可以通过阵列的散射矩阵参数来表示通过驱动阵列的单个辐射元件而所有其他元件都匹配终止而获得的相控阵列的有源元件图案。示出了如何可以反转该关系,从而可以从阵列的有源元件图案获得相控阵列的所有元件的散射参数。另外,还可以从有源元件图案数据中以任何扫描角度获得全激励阵列中任何元件的有源输入阻抗。为线性和平面阵列开发了该理论,并给出了缝隙天线元件线性阵列的示例。

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