Measurement and computer simulation of resonant frequency for TM/sub g/ mode of annular ring microstrip antenna covered with lossy dielectrics

Conference Proceedings. 10th Anniversary. IMTC/94. Advanced Technologies in I & M. 1994 IEEE Instrumentation and Measurement Technolgy Conference (Cat. No.94CH3424-9) Pub Date : 1994-05-10 DOI:10.1109/IMTC.1994.352106

N. Pathak, M. Shrivastava

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引用次数: 2

Abstract

The analysis of an annular ring microstrip antenna covered with lossy dielectrics is presented in this paper. It has been reported in the literature that due to dielectric loading the resonant frequency in the rectangular microstrip antenna changes. The absolute value of the change increases with operating frequency, the relative permittivity and the thickness of dielectric layer. This change may cause degradation in performance due to inherent narrow bandwidth of microstrip antennas if the effect of loading is not considered in the design. Using variational method fractional change in the resonant frequency has been calculated for annular ring microstrip antenna and stacked annular ring microstrip antenna. Experimental results are compared with numerical results and also with the rectangular microstrip antenna. Eventually results are simulated on computer.<>

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损耗介质覆盖环形微带天线TM/sub g/模式谐振频率的测量与计算机仿真

本文对一种覆盖有损耗介质的环形微带天线进行了分析。已有文献报道，由于介质载荷的作用，矩形微带天线的谐振频率发生了变化。变化的绝对值随工作频率、相对介电常数和介电层厚度的增大而增大。如果在设计中不考虑负载的影响，这种变化可能会由于微带天线固有的窄带宽而导致性能下降。用变分法计算了环形微带天线和叠层环形微带天线谐振频率的分数变化。实验结果与数值结果进行了比较，并与矩形微带天线进行了比较。最终结果在计算机上进行了模拟

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Conference Proceedings. 10th Anniversary. IMTC/94. Advanced Technologies in I & M. 1994 IEEE Instrumentation and Measurement Technolgy Conference (Cat. No.94CH3424-9)

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