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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。
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constant
constant altitude plane position indicator
constantan
constant and variable (variate)
constant angular velocity
constant angular velocity, CAV
constant aperture
constant approximations
constant atomic proposition
constant-bearing guidance method
constant bias
constant bit rate
constant bit rate, CBR
constant by volume
constant capacitance [surface complexation] model
constant capital
constant current coulometry
constant-current drive
constant current source
constant curvature
constant declaration
constant delay
constant deviation prism
constant elastic modulus alloys
constant energy MD
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