Cavity model analysis of 30°-60°-90° triangular microstrip antenna

被引：14

作者：

Maity, Sudipta ^{[1
]}

Gupta, Bhaskar ^{[1
]}

机构：

[1] Jadavpur Univ, Dept Elect & Telecommun Engn, Kolkata 700032, India

来源：

AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS | 2015年 / 69卷 / 06期

关键词：

Microstrip antenna (MA); Cavity model; Modal analysis; Input impedance; Radiation patterns; RESONANT FREQUENCIES;

D O I：

10.1016/j.aeue.2015.02.012

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Modal analysis of probe fed 30 degrees-60 degrees-90 degrees triangular microstrip antenna (TMA) is presented using cavity model for TMz mode. Probe excitation is modeled here in three simple ways. A comparative study among these three types of feed modeling is given in a systematic way, hitherto unreported. Input impedance, quality factor, radiation patterns, efficiency, gain are discussed for first five modes. Closed form expressions for calculating the far-field radiation patterns are given here for the first time. New broadside modes are identified and excited successfully, hitherto unreported. Theoretical results are in good agreement with measured data and/or data obtained using 3D EM simulator. It is found that all first five modes show a peak in broadside direction. The results should be useful for practical design of 30 degrees-60 degrees-90 degrees TMA. (C) 2015 Elsevier GmbH. All rights reserved.

引用

页码：923 / 932

页数：10

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