Presentation 1998/10/23
An Approximate Formula for an Equivalent Susceptance of a Circular lris in a Parallel Plate Waveguide
Hiroaki MIYASHITA, Isamu CHIBA,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) An approximate formula is proposed for an equivalent susceptance of a circular iris in a parallel plate waveguide when a 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 circular iris is sufficiently larger than the wavelength.For a verification of the formula, an exact integral equation is formulated and solved numerically by Galerkin's method. A comparison between them shows good agreements.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) iris / circular iris / parallel plate waveguide / radial line / equivalent circuit / equivalent susceptance / reflection coefficient / approximate formula
Paper # A・P98-77,RCS98-122
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Committee RCS
Conference Date 1998/10/23(1days)
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Registration To Radio Communication Systems (RCS)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) An Approximate Formula for an Equivalent Susceptance of a Circular lris in a Parallel Plate Waveguide
Sub Title (in English)
Keyword(1) iris
Keyword(2) circular iris
Keyword(3) parallel plate waveguide
Keyword(4) radial line
Keyword(5) equivalent circuit
Keyword(6) equivalent susceptance
Keyword(7) reflection coefficient
Keyword(8) approximate formula
1st Author's Name Hiroaki MIYASHITA
1st Author's Affiliation Mitsubishi Electric Corporation()
2nd Author's Name Isamu CHIBA
2nd Author's Affiliation Mitsubishi Electric Corporation
Date 1998/10/23
Paper # A・P98-77,RCS98-122
Volume (vol) vol.98
Number (no) 359
Page pp.pp.-
#Pages 6
Date of Issue