back emf
常见例句
- 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。 - 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? 返回 back emf