radiation efficiency

radiation efficiency
отдача (коэффициент полезного действия) антенны

English-russian astronautics dictionary. - M.: Military Publishing house. . 1964.

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  • radiation efficiency — spinduliuotės efektyvumas statusas T sritis fizika atitikmenys: angl. radiation efficiency vok. Strahlungswirkungsgrad, m rus. эффективность излучения, f pranc. efficacité de rayonnement, f; efficacité des radiations, f …   Fizikos terminų žodynas

  • Efficiency — as a technical term may refer to: * Algorithmic efficiency, optimizing the speed and memory requirements of a computer program * Efficient energy use, useful work per quantity of energy ** Energy conversion efficiency, desired energy output per… …   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

  • radiation measurement — ▪ technology Introduction       technique for detecting the intensity and characteristics of ionizing radiation, such as alpha, beta, and gamma rays or neutrons, for the purpose of measurement.       The term ionizing radiation refers to those… …   Universalium

  • radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …   Universalium

  • Thermal radiation — is electromagnetic radiation emitted from the surface of an object which is due to the object s temperature. Infrared radiation from a common household radiator or electric heater is an example of thermal radiation, as is the light emitted by a… …   Wikipedia

  • Ionizing radiation units — Radiation Measurement Units International System (SI) Activity of an isotope or material conventional unit: 1 curie = 37 billion disintegrations per second. SI unit: 1 becquerel = 1 disintegration per secondconversions1 curie (Ci) = 37… …   Wikipedia

  • Detective quantum efficiency — The detective quantum efficiency (often abbreviated as DQE) is a measure of the combined effects of the signal (related to image contrast) and noise performance of an imaging system, generally expressed as a function of spatial frequency. This… …   Wikipedia

  • electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …   Universalium

  • Counting efficiency — The counting efficiency is the ratio between the number of particles or photons counted with a radiation counter and the number of particles or photons of the same type and energy emitted by the radiation source (IUPAC Compendium of Chemical… …   Wikipedia

  • Energy conversion efficiency — Output energy is always lower than input energy …   Wikipedia


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