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- direct detection of back EMF 反电动势直接检测法
- zero crossing detection of back EMF 反电动势过零检测法
- This paper presents the basic principle of sensorless brushless DC motor commutated by using the zero-crossing method of back EMF, and designs the detection circuit. 摘要分析了反电势过零检测法控制无位置传感器无刷直流电机的基本原理，设计了检测电路；
- This article emphatically analyzes the basic principle of sensorless brushless DC motor commutated by using the zero-crossing method of back EMF, and designs the zero-crossing detection circuit. 摘要着重分析反电势过零检测法控制无位置传感器无刷直流电动机的基本原理；
- Detecting back EMF is one of the most important methods for the detection of rotor position in square wave current drive BLDCM sensorless control. 方波电流驱动的BLDC电机无位置传感器控制检测转子位置的最重要方法是反电动势检测法。
- The technique of back EMF induction in BLDC motor is analyzed, the "virtual neutral point" method and the technique of "3-step" start are introduced. 主要分析了反电动势感应方法，并阐述了虚拟中点法和三段式起动技术。
- Direct detection of pathogen's antigens or antibodies from patient's body fluids. 一、直接从临床标本中检查微生物抗原。
- The application of the technology of back EMF induction in BLDC are analyzed by introducing the IC ML4428.The calculation formulas of some important parameters are shown behind. 通过对ML4428的介绍，分析了反电势感应技术在无刷直流电机中的应用，并给出了其中一些重要参数的计算方法
- The community is now breathlessly awaiting the first direct detection of gravitational waves. 除此之外，你还将获得直接进入论坛“橡树大厅”版块的机会。
- The community is now breathlessly awaiting the first direct detection of gravitational waves.So why am I nattering on about all this? 这样的论文一经蒙混过关被正式发表出来，白纸黑字，作者就必须面对随之而来的一系列不能够回避的问题。
- Methods Direct detection of 46 cases of patients with acute scrotum and the contralateral side of the comparative analysis. 方法采用直接探测法对46例阴囊急症患者进行患侧与健侧的对比分析。
- The evolution of high power density electric vehicle drive motors stimulates the study on the techniques to optimize and evaluate power potential of machines with vastly different topologies,having a variety of different waveforms of back emf and current. 高功率密度电动车辆驱动电机的发展促进了评估与优化带有不同电流与反电势波形的各种结构类型电机的功率水平的方法的研究。
- General research can only reach the detection limit of 106 cfu/ml. Medina et al used SPR-immunochemical methods to detect E. Coli O157:H7.The direct detection of bacteria cells provided low responses. Coli O157:H7 和沙门氏菌,扩展了表面等离子体共振(SPR)生物传感器对微生物的检测限,并实现了快速检测。
- Detection of Rotor Position Using the Harmonic Back EMF of Hybrid Step Motor 利用混合式步进电动机谐波反电动势实现转子位置检测
- On Selection of Back emf of Permanent Magnet Synchronous Motor 永磁同步电动机空载电势最佳取值问题研究
- But I must point out that our factory has a lot of back order on hand. 但我必须指出，我们的厂家手头上的过期订单很多。
- APPLICATION OF BACK EMF INDUCTION TECHNIQUE IN BRUSHLESS DC CONTROL 反电势感应技术在无刷直流电机控制中的应用
- Direct Detection of DNA Hybridization by Impedance Technique 运用交流阻抗技术直接监测DNA杂交
- You can meet a lot of back - slappers in Tennessee. 在田纳西州你会遇到许多对你过分亲热的人。
- DIRECT DETECTION OF NUCLEIC ACIDS OF MOUSE LEUKE MIA VIRUS 小鼠白血病病毒核酸的直接检测
