广义有源相控阵天线的系统特性

Symposium on Antenna Technology and Applied Electromagnetics [ANTEM 2000] Pub Date : 2000-07-01 DOI:10.1109/ANTEM.2000.7851743

K. Ueno

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引用次数: 0

摘要

通过与无损无源阵天线的指向性进行比较，推导了具有任意单元的有源相控阵天线的天线温度、G/T和EIRP等特性。建议天线温度必须从合成阵列天线的指向性而不是从阵列单元获得。与阵列天线相同增益的单馈天线相比，该结果是相当合理的。在图的推导中，成功地应用了等效换相技术，对无损无源阵列天线上的多通道馈电和等效单通道馈电进行了建模。这个程序将简化有源相控阵天线的设计和评估。

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System characteristics of generalized active-phased-array antennas

The characteristics, such as antenna temperature, G/T and EIRP, of active-phased-array antennas with arbitrary elements have been derived by comparison with the directivity of a lossless passive array antenna. It was recommended that antenna temperature must be obtained from the directivity of the synthesized array antenna and not the array element. The result is quite reasonable compared to a single-feed antenna of the same gain as the array antenna. In the derivation of figures, an equivalent commutation technique was applied successfully, modeling a multichannel array feed on a lossless passive array antenna and an equivalent single channel feed. This procedure will simplify the design and evaluation of active-phased-array antennas.

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Symposium on Antenna Technology and Applied Electromagnetics [ANTEM 2000]

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