- normal impedance
- входное полное сопротивление электромеханического преобразователя
English-Russian dictionary of telecommunications and their abbreviations. A.V. Alexandrov.. 2004.
English-Russian dictionary of telecommunications and their abbreviations. A.V. Alexandrov.. 2004.
Impedance phlebography — Impedance phlebography, or impedance plethysmography (IPG), is a non invasive medical test that measures small changes in electrical resistance of the chest, calf or other regions of the body. These measurements reflect blood volume changes, and… … Wikipedia
impedance plethysmography — a technique for detecting blood volume changes in a part by measuring changes in electrical resistance; used in the diagnosis of deep vein thrombosis. Electrodes are placed around the calf and a pneumatic cuff around the thigh is inflated just… … Medical dictionary
Electrical impedance — Electromagnetism Electricity · … Wikipedia
Input impedance — The input impedance, load impedance, or external impedance of a circuit or electronic device is the Thévenin equivalent impedance looking into its input.In audio systemsGenerally in audio and hi fi, the input impedance of components is several… … Wikipedia
Focused Impedance Measurement — The Focused Impedance Measurement is a recent technique for measurement of tissue impedance in the human body with improved zone localization compared to conventional methods. This method was proposed and developed at the Biomedical Physics… … Wikipedia
ear, human — ▪ anatomy Introduction organ of hearing and equilibrium that detects and analyzes noises by transduction (or the conversion of sound waves into electrochemical impulses) and maintains the sense of balance (equilibrium). The human ear, like … Universalium
Cardiac output — (Q or or CO ) is the volume of blood being pumped by the heart, in particular by a left or right ventricle in the time interval of one minute. CO may be measured in many ways, for example dm3/min (1 dm3 equals 1000 cm3 or 1 litre). Q is… … Wikipedia
sound — sound1 soundable, adj. /sownd/, n. 1. the sensation produced by stimulation of the organs of hearing by vibrations transmitted through the air or other medium. 2. mechanical vibrations transmitted through an elastic medium, traveling in air at a… … Universalium
Sound — /sownd/, n. The, a strait between SW Sweden and Zealand, connecting the Kattegat and the Baltic. 87 mi. (140 km) long; 3 30 mi. (5 48 km) wide. Swedish and Danish, Oresund. * * * I Mechanical disturbance that propagates as a longitudinal wave… … Universalium
Metamaterial antenna — This Z antenna tested at the National Institute of Standards and Technology is smaller than a standard antenna with comparable properties. Its high efficiency is derived from the Z element inside the square that acts as a metamaterial, greatly… … Wikipedia
AMPLIFICATEURS — Un amplificateur est un dispositif électronique qui réalise sur une grandeur électrique – tension ou intensité – porteuse d’information l’opération mathématique élémentaire: multiplication par une constante, et qui accroît l’énergie véhiculée par … Encyclopédie Universelle