5.40 scattering loss. That part of the transmission loss caused by scattering within the medium or due to roughness or geometry of a reflective surface. Unit, decibel...
5.39 refraction loss. That part of the transmission loss due to refraction resulting from nonuniformity of the medium. Unit, decibel (dB). Annotation See also...
5.38 divergence loss; spreading loss. That part of the transmission loss resulting from divergence of sound waves in accordance with the geometry of the system (e.g., spherical waves emitted by a point source). Unit, decibel (dB)....
5.38 divergence loss; spreading loss. That part of the transmission loss resulting from divergence of sound waves in accordance with the geometry of the system (e.g., spherical waves emitted by a point source). Unit, decibel (dB)....
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