Dual-frequency and broad-band antennas with stacked quarter wavelength elements

被引：84

作者：

Zaïd, L ^{[1
]}

Kossiavas, G ^{[1
]}

Dauvignac, JY ^{[1
]}

Cazajous, J ^{[1
]}

Papiernik, A ^{[1
]}

机构：

[1] Univ Nice, Lab Elect Antennes & Telecommun, CNRS, UPRESA 6071, F-06560 Valbonne, France

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 1999年 / 47卷 / 04期

关键词：

broad-band antennas; dual frequency antennas; microstrip antennas; quarter-wavelength elements; stacked patches;

D O I：

10.1109/8.768804

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 [电气工程]; 0809 [电子科学与技术];

摘要：

Original lightweight, low-cost, and compact air-filled planar antennas with short-circuited elements, fed by coaxial probe, for dual-frequency (S-antenna) and wide-band applications (E-antenna) are investigated. The two-band frequency antenna is formed of two stacked quarter-wavelength elements, short-circuited along diametrically opposed planes. This structure offers two modes with different radiation characteristics. The ratio between the two frequencies can be closely controlled within a range varying from 1.3-2. A bandwidth of 30% for a VSWR < 2 is demonstrated using two stacked quarter-wavelength elements short-circuited along the same plane. Numerical simulation results are compared with experiments and a very good agreement is observed. Radiation patterns and input impedance of both structures are measured and the effects of various physical parameters are presented.

引用

页码：654 / 660

页数：7

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