free impedance

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• Impedance of Free Space — (also known as Z 0) is a Canadian IDM and electronica group …   Wikipedia

• Impedance of free space — The impedance of free space, Z0, is a physical constant relating the magnitudes of the electric and magnetic fields of electromagnetic radiation travelling through free space. That is, Z0 = |E|/|H|, where |E| is the electric field strength and… …   Wikipedia

• Impedance matching — In electronics, impedance matching is the practice of designing the input impedance of an electrical load (or the output impedance of its corresponding signal source) to maximize the power transfer and/or minimize reflections from the load.… …   Wikipedia

• Free space — In classical physics, free space is a concept of electromagnetic theory, corresponding to a theoretically perfect vacuum, and sometimes referred to as the vacuum of free space. The definitions of the ampere and meter SI units are based upon… …   Wikipedia

• Wave impedance — The wave impedance of an electromagnetic wave, is the ratio of the transverse components of the electric and magnetic fields (the transverse components being those at right angles to the direction of propagation). For a transverse electric… …   Wikipedia

• Bioelectrical impedance analysis — (BIA) is a commonly used method for estimating body composition. Since the advent of the first commercially available devices in the mid 1980s the method has become popular owing to its ease of use, portability of the equipment and its relatively …   Wikipedia

• Planck impedance — The Planck impedance is the unit of electrical resistance, denoted by ZP, in the system of natural units known as Planck units.Z P = frac{V P}{I P} = frac{1}{4 pi epsilon 0 c} = frac{Z 0}{4 pi} approx 29.9792458 ΩwhereV P is the Planck voltageI P …   Wikipedia

• Intrinsic impedance — In problems of electromagnetic wave propagation in a transmission medium, the electromagnetic impedance, also known as the intrinsic impedance, is defined as the ratio of the electric to magnetic field amplitudes::eta = {E over H}For a region… …   Wikipedia

• полное сопротивление короткозамкнутого электромеханического преобразователя — — [Я.Н.Лугинский, М.С.Фези Жилинская, Ю.С.Кабиров. Англо русский словарь по электротехнике и электроэнергетике, Москва, 1999 г.] Тематики электротехника, основные понятия EN free impedance …   Справочник технического переводчика

• полное сопротивление ненагруженного электромеханического преобразователя — — [Я.Н.Лугинский, М.С.Фези Жилинская, Ю.С.Кабиров. Англо русский словарь по электротехнике и электроэнергетике, Москва, 1999 г.] Тематики электротехника, основные понятия EN free impedance …   Справочник технического переводчика

• Smith chart — The Smith Chart, invented by Phillip H. Smith (1905 1987), [Smith, P. H.; Transmission Line Calculator; Electronics, Vol. 12, No. 1, pp 29 31, January 1939] [Smith, P. H.; An Improved Transmission Line Calculator; Electronics, Vol. 17, No. 1, p… …   Wikipedia