步进电动机的转子由软磁材料或永磁材料制成多极的形式,定子上装有多 步进电机的单极性和双极性有什么区别 单极性 (unipolar) 和双极性 (bipolar) 是步进电机最常采用的两种驱动架构。
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当前最激烈的改变是从双极性到单极性的突变。
The most drastic of the changes presently happening is the mutation from bipolarity to monopolarity.
本文以铁道信号电源为背景,研究了一种单极性调制的逆变电源。
Based on the power supply for railway signal system, this dissertation investigates an inverter controlled by the strategy of unipolar modulation.
本文首次讨论了单极性离子流场的唯一性定理,并作了理论证明。
The uniqueness theorem of monopolar ion flow fields is first discussed and proved.
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