聚焦模块遮挡孔径对反射面天线方向特性的影响

2007 International Kharkov Symposium Physics and Engrg. of Millimeter and Sub-Millimeter Waves (MSMW) Pub Date : 2007-06-25 DOI:10.1109/MSMW.2007.4294775

N. Gorobets, V. Kijko

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引用次数: 1

摘要

本文旨在研究辐照体尺寸对尖锐定向抛物面反射器天线方向图的指向性、主瓣宽度和副瓣水平的影响。通过对大辐射孔径直径和其他焦距反射面天线方向特性的分析，得出以下重要结论:长焦反射面天线在增益和主瓣宽度上比短焦反射面天线带宽更宽;F/D越大，阴影对增益因子和主瓣宽度的相对影响越小;F/D越大，最大旁瓣的电平越高(D /lambda的最小值和平均值);F/D越大，图案的主瓣越窄。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Influence of Shadowing Aperture by the Focal Module on Directional Characteristics of Reflector Antennas

The present report aims to research the influence of the sizes of an irradiator on directivity, width of the main lobe and a level of side lobes of the sharp directional parabolic reflector antenna pattern. The analysis of directional characteristics of reflector antennas with big diameters of radiating aperture and other focal lengths results to the following important conclusions for practice: long focus reflector antennas are more wideband on gain and width of the main lobe than shortfocus; the more F/D, the less relative influence of shadowing on factor of gain and width of the main lobe; - the more F/D, the greater level of the maximal side lobe (both the minimal and average for any d/lambda); the more F/D, the more narrow the main lobe of the pattern.

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2007 International Kharkov Symposium Physics and Engrg. of Millimeter and Sub-Millimeter Waves (MSMW)

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