Presentation 2008-07-24
Validity of High-Frequency Solution for Ground Wave Propagation over Land-to-Sea Mixed-Path
Toru KAWANO, Keiji GOTO, Toyohiko ISHIHARA,
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Abstract(in English) In this paper, we shall derive first the integral representation for the ground wave propagation over the land-to-sea mixed-path by applying the aperture field method. Then by using the saddle point technique applicable uniformly as the saddle point approaches the end point of the integral, we shall derive the asymptotic representation for the mixed-path ground wave propagation and examine the cause of the recovery effect occurring on the side of the sea over the land-to-sea mixed-path propagation. The recovery effect may be explained by using the scattering coefficient and the attenuation function over the sea. By comparing both with the mixed-path theory and the experimental results, we will confirm the validity of the asymptotic representation proposed in the present study.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) aperture field method / mixed-path / ground wave propagation / asymptotic analysis
Paper # MW2008-65,OPE2008-48
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Committee OPE
Conference Date 2008/7/17(1days)
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Registration To Optoelectronics (OPE)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Validity of High-Frequency Solution for Ground Wave Propagation over Land-to-Sea Mixed-Path
Sub Title (in English)
Keyword(1) aperture field method
Keyword(2) mixed-path
Keyword(3) ground wave propagation
Keyword(4) asymptotic analysis
1st Author's Name Toru KAWANO
1st Author's Affiliation Department of Communication Engineering, National Defense Academy()
2nd Author's Name Keiji GOTO
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 2008-07-24
Paper # MW2008-65,OPE2008-48
Volume (vol) vol.108
Number (no) 155
Page pp.pp.-
#Pages 6
Date of Issue