毫米波天线的波纹椭圆喇叭的完整特性

Proceedings of the Fifteenth National Radio Science Conference. NRSC '98 (Cat. No.98EX109) Pub Date : 1998-02-24 DOI:10.1109/NRSC.1998.711441

E. Kuhn, A. Omar

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引用次数: 1

摘要

介绍了一种新的混合“模式匹配”技术——“多重多极子”技术，用于分析毫米波反射器天线中波纹椭圆喇叭的内外特性。该方法是基于将波纹喇叭内部的电磁场展开为包含波纹喇叭的不同波导截面对应的本征模。另一方面，外部(辐射)场表示为多极展开。电磁场的连续性在孔径和金属边界的角被强制使用点匹配程序。基于上述方法的计算机代码被集成到优化算法中，从而产生用于分析和优化这种类型的主散热器的完整软件。

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Complete characterization of corrugated elliptical horns for millimeter wave antennas

A novel hybrid "mode matching"-"multiple multipole"-technique is introduced for the analysis of both the internal and the external characteristics of corrugated elliptical horns which are used for illuminating millimeter wave reflector antennas. The method is based on expanding the electromagnetic field inside the corrugated horn in terms of the eigenmodes corresponding to the different waveguide sections comprising the corrugation. The external (radiation) field on the other hand is expressed as a multiple-multipole expansion. The continuity of the electromagnetic field at both the aperture and the metallic boundaries of the horn are enforced using a point matching procedure. A computer code based on the above described method is integrated into an optimization algorithm giving rise to a complete software for the analysis and optimization of this type of primary radiators.

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Proceedings of the Fifteenth National Radio Science Conference. NRSC '98 (Cat. No.98EX109)

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