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An approximate formula is proposed for the equivalent susceptance of a circular iris in a parallel plate waveguide when the TEM mode cylindrical wave is incident from the center of the iris. Schwinger's variational method for a linear iris is generalized to the cylindrical case, and an approximate closed form formula is obtained which recovers the result of the linear iris when the radius of the circular iris is sufficiently larger than the wavelength. For verification of the formula, an exact integral equation is formulated and solved numerically by Galerkin's method. A comparison between them shows good agreement.

- Publication
- IEICE TRANSACTIONS on Communications Vol.E82-B No.11 pp.1844-1850

- Publication Date
- 1999/11/25

- Publicized

- Online ISSN

- DOI

- Type of Manuscript
- PAPER

- Category
- Communication Cable and Wave Guides

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Hiroaki MIYASHITA, Isamu CHIBA, Shuji URASAKI, Shoichiro FUKAO, "Equivalent Susceptance of a Circular Iris in a Parallel Plate Waveguide" in IEICE TRANSACTIONS on Communications,
vol. E82-B, no. 11, pp. 1844-1850, November 1999, doi: .

Abstract: An approximate formula is proposed for the equivalent susceptance of a circular iris in a parallel plate waveguide when the TEM mode cylindrical wave is incident from the center of the iris. Schwinger's variational method for a linear iris is generalized to the cylindrical case, and an approximate closed form formula is obtained which recovers the result of the linear iris when the radius of the circular iris is sufficiently larger than the wavelength. For verification of the formula, an exact integral equation is formulated and solved numerically by Galerkin's method. A comparison between them shows good agreement.

URL: https://global.ieice.org/en_transactions/communications/10.1587/e82-b_11_1844/_p

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@ARTICLE{e82-b_11_1844,

author={Hiroaki MIYASHITA, Isamu CHIBA, Shuji URASAKI, Shoichiro FUKAO, },

journal={IEICE TRANSACTIONS on Communications},

title={Equivalent Susceptance of a Circular Iris in a Parallel Plate Waveguide},

year={1999},

volume={E82-B},

number={11},

pages={1844-1850},

abstract={An approximate formula is proposed for the equivalent susceptance of a circular iris in a parallel plate waveguide when the TEM mode cylindrical wave is incident from the center of the iris. Schwinger's variational method for a linear iris is generalized to the cylindrical case, and an approximate closed form formula is obtained which recovers the result of the linear iris when the radius of the circular iris is sufficiently larger than the wavelength. For verification of the formula, an exact integral equation is formulated and solved numerically by Galerkin's method. A comparison between them shows good agreement.},

keywords={},

doi={},

ISSN={},

month={November},}

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TY - JOUR

TI - Equivalent Susceptance of a Circular Iris in a Parallel Plate Waveguide

T2 - IEICE TRANSACTIONS on Communications

SP - 1844

EP - 1850

AU - Hiroaki MIYASHITA

AU - Isamu CHIBA

AU - Shuji URASAKI

AU - Shoichiro FUKAO

PY - 1999

DO -

JO - IEICE TRANSACTIONS on Communications

SN -

VL - E82-B

IS - 11

JA - IEICE TRANSACTIONS on Communications

Y1 - November 1999

AB - An approximate formula is proposed for the equivalent susceptance of a circular iris in a parallel plate waveguide when the TEM mode cylindrical wave is incident from the center of the iris. Schwinger's variational method for a linear iris is generalized to the cylindrical case, and an approximate closed form formula is obtained which recovers the result of the linear iris when the radius of the circular iris is sufficiently larger than the wavelength. For verification of the formula, an exact integral equation is formulated and solved numerically by Galerkin's method. A comparison between them shows good agreement.

ER -