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对流层波导电波传播
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对流层波导电波传播
Encyclopedia
工学
对流层电波传播
释
radio wave propagation in tropospheric radio duct
对流层波导电波传播
在某些气象条件下,对流层中可以形成具有一定强度和厚度的准水平大尺度层结,频率足够高的无线电波在适当的发射方向上,可在相当大的程度上进入其内,并如同在波导管中一样以异常低的衰减进行传播的现象。
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observing chain
observing frequency
observing law of naturalness and cherishing truth
observing season
observing station
observing table
observing technique
observing technology of tilt tide
observing under ice
obsessive-compulsive disorder
obsessive-compulsive personality
obsessive-compulsive personality disorder
obsessive compulsive related disorders
obsidian
Obsidian Hydration Dating
obsidianite
obsolescence law of literature and information
obsolete character
obsolete old word
obstacle
obstacle perception of people with visual impairments
obstacle problem
obstacle scattering
obstacles to policy termination
obstacle vehicles
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