Nominal impedance, approximate designed impedance Impedance matching, the adjustment of input impedance and output impedance Mechanical impedance, a measure...

In electrical engineering, impedance is the opposition to alternating current presented by the combined effect of resistance and reactance in a circuit...

electrical engineering, impedance matching is the practice of designing or adjusting the input impedance or output impedance of an electrical device for...

The characteristic impedance or surge impedance (usually written Z0) of a uniform transmission line is the ratio of the amplitudes of voltage and current...

Impedance control is an approach to dynamic control relating force and position. It is often used in applications where a manipulator interacts with its...

electrical engineering, the input impedance of an electrical network is the measure of the opposition to current (impedance), both static (resistance) and...

The wave impedance of an electromagnetic wave is the ratio of the transverse components of the electric and magnetic fields (the transverse components...

authors first used names like "reflection chart", "circle diagram of impedance", "immittance chart" or "Z-plane chart", early adopters at MIT's Radiation...

electrical engineering, the output impedance of an electrical network is the measure of the opposition to current flow (impedance), both static (resistance) and...

In electronics, high impedance means that a point in a circuit (a node) allows a relatively small amount of current through, per unit of applied voltage...

A quarter-wave impedance transformer, often written as λ/4 impedance transformer, is a transmission line or waveguide used in electrical engineering of...

high impedance bridging, voltage bridging, or simply bridging connection is one in which the load impedance is much larger than the source impedance. The...

In electromagnetism, the impedance of free space, Z0, is a physical constant relating the magnitudes of the electric and magnetic fields of electromagnetic...

desired matching impedance might not exactly correspond to the dynamic output impedance of the transmitter as analyzed as a source impedance but rather the...

dimensions along their length, giving them a uniform impedance, called the characteristic impedance, to prevent reflections. Types of transmission line...

Acoustic impedance and specific acoustic impedance are measures of the opposition that a system presents to the acoustic flow resulting from an acoustic...

Bioelectrical impedance analysis (BIA) is a method for estimating body composition, in particular body fat and muscle mass, where a weak electric current...

Mechanical impedance is a measure of how much a structure resists motion when subjected to a harmonic force. It relates forces with velocities acting...

Nominal impedance in electrical engineering and audio engineering refers to the approximate designed impedance of an electrical circuit or device. The...

waves given a specified reference impedance Z0. The reference impedance used is typically the characteristic impedance of a transmission line that's involved...

(SWR) is a measure of impedance matching of loads to the characteristic impedance of a transmission line or waveguide. Impedance mismatches result in standing...

Dielectric spectroscopy (which falls in a subcategory of the impedance spectroscopy) measures the dielectric properties of a medium as a function of frequency...

cable characteristic impedance is important to minimize loss. The source and load impedances are chosen to match the impedance of the cable to ensure...

Impedance cardiography (ICG) is a non-invasive technology measuring total electrical conductivity of the thorax and its changes in time to process continuously...

Impedance parameters or Z-parameters (the elements of an impedance matrix or Z-matrix) are properties used in electrical engineering, electronic engineering...

The impedance analogy is a method of representing a mechanical system by an analogous electrical system. The advantage of doing this is that there is...

its electrical impedance to provide a more ideal source (with a lower output impedance for a voltage buffer or a higher output impedance for a current...

A line impedance stabilization network (LISN) is a device used in conducted and radiated radio-frequency emission and susceptibility tests, as specified...

part of series impedance) will be half of the series impedance of the comparable dipole. A quarter-wave monopole, then, has an impedance(p 173) of    ...

called impedance bridging. In this configuration the output impedance of the microphone should be negligible in comparison with the input impedance of the...