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首页> 外文期刊>International Journal of Microwave and Wireless Technologies >A novel and simple expression to accurately calculate the resonant frequency of annular-ring microstrip antennas
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A novel and simple expression to accurately calculate the resonant frequency of annular-ring microstrip antennas

机译：一种新颖且简单的表达式，可以精确计算环形微带天线的谐振频率

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摘要

This paper proposes a novel and simple expression for effective radius of annular-ring microstrip antennas (ARMAs) obtained using a recently emerged optimization algorithm of artificial bee colony (ABC) in calculating the resonant frequency at dominant mode (TM11). A total of 80 ARMAs having different parameters related to antenna dimensions and dielectric constants was simulated in terms of the resonant frequency with the help of an electromagnetic simulation software called IE3D (TM) based on method of moment. The effective radius expression was constructed and the unknown coefficients belonging to the expression were then optimally determined with the use of ABC algorithm. The proposed expression was verified through comparisons with the methods of resonant frequency calculation reported elsewhere. Also, it was further validated on an ARMA fabricated in this study. The superiority of the presented approach over the other methods proposed in the literature is that it does not need any sophisticated computations while achieving the most accurate results in the resonant frequency calculation of ARMAs.
机译：本文提出了一种新颖且简单的表达式，用于计算环形蜂巢微带天线（ARMA）的有效半径，该天线使用最近出现的人工蜂群（ABC）优化算法计算主模（TM11）的谐振频率。借助于基于矩量法的称为​​IE3D（TM）的电磁仿真软件，对共80个具有与天线尺寸和介电常数相关的不同参数的ARMA进行了共振频率仿真。构造有效半径表达式，然后使用ABC算法最佳确定属于该表达式的未知系数。通过与其他地方报道的共振频率计算方法进行比较，验证了所提出的表达式。此外，它在本研究中制造的ARMA上得到了进一步验证。该方法相对于文献中提出的其他方法的优势在于，它无需任何复杂的计算，而可以在ARMA的谐振频率计算中获得最准确的结果。

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