基本解釋反電動勢英漢例句雙語例句The constitute of harmonic back EMF is analysed, the position detection circuit and the microcomputer control system of step motor is designed.分析了諧波反電勢信號的搆成，設(shè)計了相應的位置信號檢測 電路及步進電動機的微機控制系統(tǒng)。This paper analyzes the advantage of using sensorless brushless DC motor in fuzzy conversing air-condition, the back EMF method and the start technique.介紹變頻空調(diào)採用無傳感器無刷直流電機作爲壓縮機的優(yōu)越性，反電勢檢測的基本原理以及起動方法。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.利用氣隙比磁導法建立了混郃式步進電動機的磁網(wǎng)絡(luò)模型，推導出諧波反電勢的表達式。權(quán)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?back emf更多例句詞組短語短語back -EMF integration 反電勢積分Direct Back -EMF 直接反電勢法motor back -EMF 電機反電勢Back -EMF coefficient 反電勢系數(shù)current back -emf 反電勢電流back emf更多詞組英英字典柯林斯英英字典 an electromagnetic force appearing in an inductive circuit in such a direction as to oppose any change of current in the circuit back emf劍橋字典back emf柯林斯字典專業(yè)釋義電子、通信與自動控制技術(shù)反電勢能源科學技術(shù)反電動勢