ANALYSIS OF HEMISPHERICAL DIELECTRIC RESONATOR ANTENNA

被引：4
|
作者：
LUK, KM
LEUNG, KW
LAI, KYA
LIN, D
机构：
[1] CHINESE UNIV HONG KONG, DEPT ELECTR ENGN, SHA TIN, HONG KONG
[2] TSING HUA UNIV, DEPT ELECTR ENGN, DIV MICROWAVE & ANTENNA, BEIJING, PEOPLES R CHINA
来源：
RADIO SCIENCE | 1993年 / 28卷 / 06期
关键词：
D O I：
10.1029/93RS00945
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
This paper describes the analysis of a hemispherical dielectric resonator antenna fed by a coaxial probe. The electric field Green's function of a vertical point current located inside the dielectric hemisphere is derived by mode matching technique. Delta gap source excitation model is employed. The input impedance of the antenna is calculated using a variational formula. Both the broadside TE111 mode (the lowest-order transverse electric mode) and the end-fire TM101 mode (the lowest-order transverse magnetic mode) are considered. Numerical calculations and experimental results validating the theory are shown. The variation of input resistance with dielectric constant of the antenna is studied.
引用
收藏
页码：1211 / 1218
页数：8
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