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IEVref:702-02-13ID:
Language:enStatus: Standard
Term: propagation coefficient
Synonym1: propagation constant (US)
[Preferred]
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Symbol: symb.: γ
Definition: the limit of the natural logarithm of the ratio of values at a given frequency of a specified component of electromagnetic field at two points aligned in the direction of propagation of a guided or plane wave, or of a wave practically plane in a limited space domain, divided by the distance between the two points when this distance tends to zero

NOTE – The propagation coefficient is a complex quantity usually a function of frequency, and has the dimension of reciprocal length. The real part, the attenuation coefficient, is usually expressed in Np/m and the imaginary part, the phase-change coefficient, is expressed in rad/m.


Publication date:1992-03
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