The back EMF and I - V curves were measured in laboratory electrolysis cells.

在实验室电解槽上测量了反电势和电流—电压曲线.

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When start up procedure is over, the system is switched to back EMF running by software.

起动完毕后, 由软件将系统切换到反电势运行状态.

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The closed - loop speed control of hybrid step motor using the harmonic back EMF is investigated.

研究了利用谐波反电势信号实现混合式步进电动机速度闭环控制的方法.

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