| 单词 |
quadrupole amplifier |
| 释义 |
quadrupole amplifier quadrupole amplifier[′kwä·drə‚pōl ′am·plə‚fī·ər] (electronics) A low-noise parametric amplifier consisting of an electron-beam tube in which quadrupole fields act on the fast cyclotron wave of the electron beam to produce high amplification at frequencies in the range of 400-800 megahertz. |
| 随便看 |
- september 27, 2014
- september 27, 2015
- september 27, 2016
- september 27, 2017
- september 27, 2018
- september 27, 2019
- september 27, 2020
- september 27, 2021
- september 27, 2022
- september 27, 2023
- september 27th
- september 28
- september 28, 2011
- september 28, 2012
- september 28, 2013
- september 28, 2014
- september 28, 2015
- september 28, 2016
- september 28, 2017
- september 28, 2018
- september 28, 2019
- september 28, 2020
- september 28, 2021
- september 28, 2022
- september 28, 2023
|