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.
Farlex Partner Medical Dictionary © Farlex 2012

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.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
The rectifier consists of a matching network, two rectifying branches, and dc-pass filters.
Finally, it adds output matching network with inductive load to maximize the gain.
Following these ideas, originated from [10, 13], with the modifications first proposed in [7] and verified in [12], we here propose an internal impedance matching network for a helical antenna which comprises a single wire.
In order to tailor the dual-band impedance matching network in the next section, the effective dielectric constant is required and it can be obtained by means of
To illustrate the effectiveness of the proposed decoupling and matching network, a three-monopole antenna array operating at 2.4 GHz with an element separation of 15 mm (0.12[lambda] at 2.4 GHz) is built.
It comprises of a single or a combination of antennas, a bandpass or tunable filter (BPF), a broadband or multiband impedance matching network, a rectifier, and a low-pass filter that delivers the output to the load.
In [1], a novel high-isolation multiplexer utilizing stepped-impedance resonators (SIRs) was reported, which had a large circuit size due to the additional matching network. In [2], the authors presented low-temperature co-fired ceramic (LTCC) diplexer and triplexer, designed based on a parallel-coupled line filter connected with a capacitor.
The output side of the SMPAs includes, in addition to the matching network, a network of resonators which shapes the drain voltage and the drain current of the transistor.
Step 3, derive location by matching network cell A visibility with historical observations: The server uses proprietary algorithms to match the current observation with previous observations in the database, and produce a position estimate P (we show the middle purely for illustration purposes), as well as an uncertainty factor.
EuroDAT Internet enables companies to access EuroDAT's freight matching network via the Internet while EuroDAT Multimedia additionally grants access to the network via a multilingual call centre.
The noise and gain of the passive and non-Foster matching network were also measured to test the actual SNR performance of the VLF receiving system.
According to (6), the single L-section, low-pass, high-to-low transformation, impedance matching network that we designed is shown in the last dashed box of Figure 3, in which the values of the lumped elements [C.sub.2] and [L.sub.2] are determined by Equations (7) and (8) [41]: