Analysis of Elliptical Microstrip Antennas with and without a Circular Slot

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概要

• 論文の詳細を見る

• The wall admittance of an arbitrarily shaped microstrip antenna is generally formulated. As examples, elliptical microstrip antennas with and without a circular slot are calculated. The wall admittance is determied by the spectral domain analysis in order to consider the effect of the dielectric substrate. The electromagnetic fields within thye cavity are expanded in terms of the eigenfunctions in the cylindrical coordinate system and their expansion coefficients are determined by applying the impedance boundary condition at the aperture in the sense of the least squares. The calculated input impedance and axial ratio agree fairly well with the experimental data. The proposed method is valid for the microstrip antennas with a patch whose geometry deviates from the particular coordinate system, such as single-feed circularly polarized microstrip antennas.

• 社団法人電子情報通信学会の論文
• 2000-02-25

著者

• Fujimoto Takafumi

  Division Of System Science Graduate School Of Science And Technology Nagasaki University

• Fujimoto T

  The Deprtment Of Electricaland Electronic Engineering Faculty Of Engineering Nagasaki University

• TAGUCHI Mitsuo

  Department of Electrical and Electronic Engineering, Faculty of Engineering, Nagasaki University

• FUJIMOTO Takafumi

  the Department of Electrical and Electronic Engineering, Faculty of Engineering, Nagasaki University

• TANAKA Kazumasa

  the Department of Electrical and Electronic Engineering, Faculty of Engineering, Nagasaki University

• TAGUCHI Mitsuo

  the Department of Electrical and Electronic Engineering, Faculty of Engineering, Nagasaki University

• Tanaka K

  Department Of Electrical And Electronic Engineering Faculty Of Engineering Nagasaki University

• Taguchi Mitsuo

  Department Of Electrical And Electronic Engineering Faculty Of Engineering Nagasaki University

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