The signal attenuation that would result if all absorbing, diffracting, obstructing, refracting, scattering , and reflecting influences were sufficiently removed so as to have no effect on propagation . ( 188 ) Note: Free-space loss is primarily caused by beam divergence , i.e. , signal energy spreading over larger areas at increased distances from the source.
FREE SPACE LOSS
Meaning of FREE SPACE LOSS in English
Telecommunication standard terms English vocab. Английский словарь стандартных телекоммуникационных терминов. 2012