Presentation 2010-01-29
Asymptotic Analysis of Transient WG Mode Radiation Field from a Variable Radius of Concave Conductiong Surface
Keiji GOTO, Toru KAWANO, Toyohiko ISHIHARA,
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Abstract(in English) In this study, we shall examine the asymptotic analysis method for the transient whispering gallery (GW) mode radiation field radiated from an end-aperture of a variable radius of concave conducting surface. We assume that the WG mode is excited by a high-frequency pulse source with a truncated Gaussian time variation. Comparisons with the reference soulution obtained by the numerical integration of the inverse Fourier transform of the product of the frequency-domain UTD (uniform GTD) solution for the WG mode radiation field and the frequency spectrum of a pulse source reveal the validity of the proposed asymptotic analysis method. We shall also clarify the differences between the time-domain UTD solution proposed is the present study and the conventional asymptotic solution.
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Keyword(in English) variable radius of concave conducting surface / transient WG mode radiaton field / time-domain UTD solution
Paper # PN2009-82,OPE2009-220,LQE2009-202
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Conference Date 2010/1/21(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Asymptotic Analysis of Transient WG Mode Radiation Field from a Variable Radius of Concave Conductiong Surface
Sub Title (in English)
Keyword(1) variable radius of concave conducting surface
Keyword(2) transient WG mode radiaton field
Keyword(3) time-domain UTD solution
1st Author's Name Keiji GOTO
1st Author's Affiliation Department of Communication Engineering, National Defense Academy()
2nd Author's Name Toru KAWANO
2nd Author's Affiliation Department of Communication Engineering, National Defense Academy
3rd Author's Name Toyohiko ISHIHARA
3rd Author's Affiliation Department of Communication Engineering, National Defense Academy
Date 2010-01-29
Paper # PN2009-82,OPE2009-220,LQE2009-202
Volume (vol) vol.109
Number (no) 401
Page pp.pp.-
#Pages 6
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