Analysis Method of Ground Wave Propagation over Land-to-Sea Mixed-Path by Using Helmholtz-Kirchhoff Integral Theorem
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概要
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In this paper, we have derived a novel integral representation for the ground wave propagation over land-to-sea mixed-paths by applying the Helmholtz-Kirchhoff integral theorem. By using the method of stationary phase applicable uniformly as the stationary phase point approaches the endpoint of the integral, we have derived the asymptotic solution for the scattered fields consisting of the first-order and the second-order diffraction terms. We show that the asymptotic solution thus derived agrees with the asymptotic solution derived by applying the aperture field method (AFM) and the method of stationary phase. We have confirmed the validity and the utility of the novel integral representation and its asymptotic solution by comparing with the widely used mixed-path theorem and the experimental measurement performed in Kanto area and Tokyo bay.
- 2011-01-01
著者
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Goto Keiji
Dep. Of Communication Engineering National Defense Acad.
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Goto Keiji
Department Of Communication Engineering National Defense Academy
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KAWANO Toru
Department of Communication Engineering National Defense Academy
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ISHIHARA Toyohiko
Department of Communication Engineering National Defense Academy
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Ishihara Toyohiko
The Department Of Communication Engineering National Defense Academy
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KAWANO Toru
the Department of Communication Engineering, National Defense Academy
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GOTO Keiji
the Department of Communication Engineering, National Defense Academy
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Kawano Toru
The Department Of Communication Engineering National Defense Academy
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Goto Keiji
The Department Of Communication Engineering National Defense Academy
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