Ingest 发表于 2025-3-26 21:11:37
Excitation of the groundwave,de. At that point, a fraction of the incident field is converted to a groundwave mode, and the rest continues. Analagous to reflection and transmission coefficients, an excitation coefficient gives the fraction of the incident field that is converted to the groundwave mode.Discrete 发表于 2025-3-27 05:06:55
Radiation from the groundwave, distance ℓ from the point of shedding is proportional to the field strength of the groundwave at that point and depends on ℓ because of the phase integral contribution along ℓ, azimuthal focusing, and elevation focusing. To represent this proportionality, I define a shedding coefficient S(ℓ) equalOTHER 发表于 2025-3-27 06:25:53
Summary,sented by a surface-diffracted ray at a complex height that is determined by the groundwave mode propagation constant. Groundwave excitation and shedding coefficients are evaluated by comparing the GTD solution for the field of a vertical Hertzian dipole over a homogeneous, isotropic, spherical eartmoribund 发表于 2025-3-27 10:20:07
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