释义 |
DictionarySeeabsorption coefficientsound absorption coefficient
sound absorption coefficient[′sau̇nd ab‚sȯrp·shən ‚kō·i‚fish·ənt] (acoustics) The ratio of sound energy absorbed to that arriving at a surface or medium. Also known as acoustic absorption coefficient; acoustic absorptivity. sound absorption coefficient,a The fraction of the sound energy (incident at random angles on a surface) which is absorbed or otherwise not reflected by the surface. |