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大气折射与电波传播延迟
释义
大气折射与电波传播延迟
Encyclopedia
理学
大气折射与电波传播延迟
释
atmospheric refraction and radio wave propagation delay
大气折射与电波传播延迟
地球大气是空间分布不均匀、且存在时变特性的非色散介质,电磁波可以透过大气传播。电波通过空气的传播过程中,空气的中性成分在传输路径上的密度沿路径发生变化,不同的密度对应折射本领不同,使得电波传播速度低于真空中传播速度、且传播方向发生偏折。
随便看
direct power
direct prism
direct probability integral method
direct problem
direct product
direct product algebra
direct product decomposition
direct product factor
direct product group
direct product G-set
direct product lattice
direct product Lie group
direct product mapping
direct product module
direct product of algebras
direct product of distributions
direct product of groups
direct product of modules
direct product of rings
direct product of sets
direct product of sheaves
direct product of topological groups
direct product ring
direct product set
direct product space
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