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.
分析了諧波反電勢信號的搆成,設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。 - This paper analyzes the advantage of using sensorless brushless DC motor in fuzzy conversing air-condition, the back EMF method and the start technique.
介紹變頻空調採用無傳感器無刷直流電機作爲壓縮機的優越性,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絡模型,推導出諧波反電勢的表達式。 - 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.
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