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地-电离层波导无线电波传播
释义
地-电离层波导无线电波传播
Encyclopedia
工学
电波传播
释
waveguide radio wave propagation of earth-ionosphere
地-电离层波导无线电波传播
地表层与低电离层(白天为D层,夜间为E层下部)所构成的同心球壳空间,以类似于微波平行金属板波导的机理,引导甚低频(3~30千赫)和极低频(0.3~3千赫)无线电波远距离的传播。
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invariance theorem
invariance theorem of domain
invariance theory
invariance thesis
invariant
invariant amplitude
invariant approach
invariant attracting set
invariant average
invariant basis property
invariant bilinear function
invariant boundary
invariant central manifold
invariant circle
invariant class of groups
invariant complement
invariant component
invariant cone
invariant continuation
invariant curve
invariant decision function
invariant decision problem
invariant decision procedure
invariant decomposition
invariant definition
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