| 单词 | parametric amplifier |
| 释义 | parametric amplifiernoun Electronics.a device, as an electron tube or transistor, that amplifies a high-frequency input signal by sinusoidally varying the reactance of the circuit. Origin of parametric amplifierFirst recorded in 1955–60 Words nearby parametric amplifierparamenia, parament, paramesonephric duct, parameter, parameterize, parametric amplifier, parametric equalizer, parametric equation, parametric equations, parametric statistics, parametritis Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for parametric amplifierparametric amplifier nouna type of high-frequency amplifier in which energy from a pumping oscillator is transferred to the input signal through a circuit with a varying parameter, usually a varying reactance Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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