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Wideband Ceramics Cylindrical Dielectric Resonator Antennas

ZHANG Li-na1, ZHONG Shun-shi1, XU Sai-qing1，2, ZHU Yu-xiao1

1. School of Communication and Information Engineering, Shanghai University, Shanghai 200072, China;
2. Zhejiang Zhengyuan Electric Co., Ltd., Jiaxing 314003, Zhejiang, China

Received:2007-03-14 Revised:1900-01-01 Online:2008-06-30 Published:2008-06-30
Contact: ZHONG Shun-shi

Abstract

Abstract: A wideband cylindrical dielectric resonator antenna with high dielectric constant is proposed, analyzed and designed. The ceramics cylindrical dielectric resonator antenna with an air gap excited by an H-shaped slot is adopted to overcome the narrow bandwidth under the condition of high dielectric constant. An impedance bandwidth of 12.6% has been achieved with a smaller size of the dielectric resonator and better radiation performance.

Key words: ceramics, H-shaped slot
, wideband, dielectric resonator antenna (DRA)

CLC Number:

TN82

ZHANG Li-na;ZHONG Shun-shi;XU Sai-qing;ZHU Yu-xiao. Wideband Ceramics Cylindrical Dielectric Resonator Antennas [J]. Journal of Shanghai University（Natural Science Edition）.

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Wideband Ceramics Cylindrical Dielectric Resonator Antennas

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