一种新的ka波段喇叭天线馈电技术

2010 International Workshop on Antenna Technology (iWAT) Pub Date : 2010-03-01 DOI:10.1109/IWAT.2010.5464744

A. Othman, M. F. Ain, S. Hassan, A. A. Sulaiman, M. A. Othman, M. Hamid, R. Majid, M.Z. Saidin, M.N. Ismail, M.R. Jaffar

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引用次数: 0

摘要

提出了一种实用的ka波段喇叭天线馈电结构。它由5个相同的圆柱形寄生介质谐振器组成，由微带馈线通过它们之间接地面的耦合矩形槽馈电。它被设计为寄生型，具有高增益、高隔离和宽带特性。寄生谐振腔叠加在驱动DR上，实现了HEM11δ模式的带宽增强，HEM11δ模式的DR具有良好的回波损耗和辐射特性。给出了38GHz锥体喇叭天线电性能的CST仿真结果。

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A novel feeding technique for Ka-band horn antenna

A practical horn antenna feeding configuration for use at Ka-band frequencies is proposed. It is consists of five circular identical cylindrical parasitic dielectric resonator (DR) fed by a microstrip feedline through a coupling rectangular slot in the ground plane between them. It is designed to parasitic type for high gain, high isolation and wideband characteristics. The bandwidth enhancement is achieved for the HEM11δ mode with the parasitic resonators superimposed on driven DR. Excellent return loss and radiation characteristics of DR in HEM11δ were observed. CST simulation results of the electrical performance for pyramidal horn antenna operating at 38GHz are presented.

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2010 International Workshop on Antenna Technology (iWAT)

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