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单词
earth-ionosphere waveguide radio wave propagation
释义
earth-ionosphere waveguide radio wave propagation
Encyclopedia
工学
电离层电波传播
释
earth-ionosphere waveguide radio wave propagation
地-电离层波导电波传播
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)电波进行远距离直至全球范围的传播。
随便看
Lin Enxian
line of affine curvature
line of application
line of apsides
line of a vector
line of balance
line of centers
line of closed area for bottom trawl fishery by motor vessels
line of collimation
line of constant slope
line of constant temperature
line of contact
line of convergence
line of current
line of curvature
line of cusps
line of declination
line of degeneration of type
line of discontinuity
line of electric force
line of flow
line of force
line of horizon
line of integration
line of intersection
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