back emf

常见例句

双语例句

• The constitute of harmonic back EMF is analysed, the position detection circuit and the microcomputer control system of step motor is designed.
  分析了谐波反电势信号的构成，设计了相应的位置信号检测 电路及步进电动机的微机控制系统。
• This paper analyzes the advantage of using sensorless brushless DC motor in fuzzy conversing air-condition, the back EMF method and the start technique.
  介绍变频空调采用无传感器无刷直流电机作为压缩机的优越性，反电势检测的基本原理以及起动方法。
• The magnetic network model of hybrid step motor is established according to the air gap late permeance method, and the expression of the harmonic back EMF is deduced.
  利用气隙比磁导法建立了混合式步进电动机的磁网络模型，推导出谐波反电势的表达式。

权威例句

• For some who understand the biophysics of RF and EMF, going back to first principles provides a reality check on a possible threat from this low energy form of radiation.
  FORBES: Should The FCC Re-Examine Cell Phone Radiation?
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