ground wave propagation
英[ɡraund weiv ˌprɔpəˈgeɪʃən]美[ɡraʊnd wev ˌprɑpəˈɡeʃən]
Radio waves in the VLF (Very low frequency) band propagate in a ground, or surface wave. The wave is confined between the surface of the earth and to the ionosphere.
2026-05-06 09:55 浏览次数 19
Radio waves in the VLF (Very low frequency) band propagate in a ground, or surface wave. The wave is confined between the surface of the earth and to the ionosphere.