Radiation impedance
Encyclopedia
In acoustics
Acoustics
Acoustics is the interdisciplinary science that deals with the study of all mechanical waves in gases, liquids, and solids including vibration, sound, ultrasound and infrasound. A scientist who works in the field of acoustics is an acoustician while someone working in the field of acoustics...

, radiation impedance is the impedance of any vibrating solid or fluid that radiates sound in the surrounding medium.

See also

  • Acoustic impedance
    Acoustic impedance
    The acoustic impedance at a particular frequency indicates how much sound pressure is generated by a given air vibration at that frequency. The acoustic impedance Z is frequency dependent and is very useful, for example, for describing the behaviour of musical wind instruments...



Radiation impedance is defined as the ratio of the force exerted by the radiator on the medium to the velocity of the radiator
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