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.
2026-07-19 06:29 浏览次数 25
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.