一种用于抛物面反射面天线的紧凑型双线极化宽带馈源

2013 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications (IMWS-BIO) Pub Date : 2013-12-01 DOI:10.1109/IMWS-BIO.2013.6756198

Wen-Juan Ye, Shanhong He, W. Che, Y. Juan

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引用次数: 0

摘要

针对直径为6m的反射面天线，提出了一种新的四正交脊的瞬变电磁法宽带喇叭馈电设计方案，使天线具有更好的驻波比和增益。通过锥形脊，可以在减小进给尺寸的同时延长工作频带。所提出的双线偏振宽带馈电具有相位中心恒定、效率高等特点。采用Ansoft HFSS软件对进料进行仿真。设计考虑，给出了在Δf=0.34 f0的f0±Δf频带上所构造的馈源的仿真和实测VSWR，并进行了讨论。

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A compacted dual linearly polarization wideband feed for parabolic reflector antenna

A new design of TEM wideband horn feed with four orthogonal ridges is presented, resulting in better VSWR and gain antenna for 6m-diameter reflector antenna. By tapering the ridges, it is possible to extend the operating frequency band while decreasing the size of feed. The proposed wideband feed with dual linearly polarization and compact size in a shared aperture takes the features of constant phase center, high efficiency etc. The feed is simulated with Ansoft HFSS. Design consideration, the simulated and measured VSWR of the constructed feed over the frequency band f0 ± Δf are presented and discussed which the Δf=0.34 f0.

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2013 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications (IMWS-BIO)

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