常压NiAl铁氧体微带三角形阵列天线的波束扫描特性

Proceedings of the 9th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory, 2004. DIPED 2004. Pub Date : 2004-12-27 DOI:10.1109/DIPED.2004.242802

D. Kumar, P. Pourush

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引用次数: 2

摘要

在c波段(5ghz) NiAl偏置铁氧体衬底上设计了一种传统的4×4平面微带等边三角形阵列天线(METAA)。在与阵列几何平面垂直的外磁场作用下，天线在谐振频率、带宽、效率和辐射电导方面表现出可调性。研究了不同偏压条件下阵列的雷达截面(RCS)特性，特别是谐振特性，并与无偏压铁氧体情况进行了比较。研究了通过改变偏磁场可以使RCS随频率移动。磁损耗对RCS的影响也非常显著。

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Beam scanning characteristics of microstrip triangular array antenna on normally biased NiAl ferrite

A conventional 4×4 planar microstrip equilateral triangular array antenna (METAA) is designed on a NiAl biased ferrite substrate in the C-band (5 GHz) region. The antenna shows tunability in resonant frequency, bandwidth, and efficiency and radiation conductance on application of an external magnetic field normal to the plane of the array geometry. The radar cross-section (RCS) characteristics, especially the resonance behavior of the array with various bias conditions, are studied and compared to the case of an unbiased ferrite. It is investigated that the RCS can be moved with respect to frequency by changing the magnetic bias field. It is also found that magnetic losses affect the RCS at resonance significantly.

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来源期刊

Proceedings of the 9th International Seminar/Workshop on Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory, 2004. DIPED 2004.

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