Definition of acoustic impedance in English:

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acoustic impedance

noun

Physics
The ratio of the pressure over an imaginary surface in a sound wave to the rate of particle flow across the surface.
Example sentences
  • The harmless waves are aimed at the part to be examined, and reflections are detected from tissue components in proportion to their acoustic impedance.
  • Signal processing procedures have been developed that estimate acoustic impedance and compressional wave attenuation with depth beneath the sea floor.
  • These invariably cause seismic waveform scattering and degeneration as a result of factors such as surface geometry and acoustic impedance contrasts through the lavas.
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