- radiation impedance
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• импеданс излучения• радиационный импеданс
Англо-русский словарь терминов металлургии и сварки. 2011.
radiation impedance
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Radiation impedance — In acoustics, radiation impedance is the impedance of any vibrating solid or fluid that radiates sound in the surrounding medium.ee also*Acoustic impedanceRadiation impedance is defined as the ratio of the force exerted by the radiator on the… … Wikipedia
Radiation pattern — Three dimensional antenna radiation patterns. The radial distance from the origin in any direction represents the strength of radiation emitted in that direction. The top shows the directive pattern of a horn antenna, the bottom shows the… … 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
List of radiation topics — *absorbed dose *equivalent dose *hormesis *Louis Harold Gray (British physicist) *rad (unit) *radar *radar astronomy *radar cross section *radar detector *radar gun *radar jamming *(radar reflector) corner reflector *radar warning receiver… … Wikipedia
Electromagnetic radiation — Electromagnetism Electricity · … Wikipedia
Electrical impedance — Electromagnetism Electricity · … Wikipedia
Multipole radiation — is a theoretical framework for the description of electromagnetic or gravitational radiation from time dependent distributions of distant sources. These tools are applied to physical phenomena which occur at a variety of length scales from… … 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
Loudspeaker — For other uses, see Loudspeaker (disambiguation). An inexpensive, low fidelity 3½ inch speaker, typically found in small radios … Wikipedia
Acoustic resonance — is the tendency of an acoustic system to absorb more energy when the frequency of its oscillations matches the system s natural frequency of vibration (its resonance frequency ) than it does at other frequencies. A resonant object will probably… … Wikipedia
Binaural recording — is a method of recording audio which uses a special microphone arrangement intended for replay using headphones. Dummy head recording refers to a specific method of capturing the audio, generally using a bust including pinnae (outer ears). As one … Wikipedia
