impedance matching

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impedance matching

the force delivered through the mechanical advantages of the lever action of the tympanic ossicles and the areal ratio of the tympanic membrane to the oval window to overcome the acoustic impedance between the ambient air and the fluid in the inner ear.

im·ped·ance match·ing

(im-pē'dăns mach'ing)
The force delivered through the mechanical advantages of the tympanic ossicles and the area ratio of the tympanic membrane to the oval window to overcome the acoustic impedance between the ambient air and the fluid in the inner ear.
References in periodicals archive ?
At low frequency, the return loss is about--40 dB, a very good impedance match to 50[OMEGA].
The technology in question, WiSpry's WS2018 Tunable Impedance Match (TIM) circuit, is a network of digitally-tunable, low-loss RF-MEMS capacitors combined with low-loss inductors.
WiSpry's WS2017 Tunable Impedance Match (TIM) circuit consists of a network of low-loss inductors combined with WiSpry's digitally-tunable, low-loss MEMS capacitors.