The voltage space vector is selected as the PWM method.
论文采用电压空间矢量作为PWM调制方法。
It is lastly performance and cost criteria to determine the choice of a PWM method in a specific application.
对于具体的应用而言，选择一种PWM控制技术的最终决定因素是性能要求及成本标准。
The fixed frequency sample PWM method is put forward in this paper together with the theoretical analysis about their switch strategy.
本文提出恒频采样电流跟踪型PWM方式，并对其开关策略进行了理论分析。
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