对空间电压矢量方法进行了改进，在不改变系统输出特性的前提下，使开关频率降低了50%。
Maintaining the output character of the system, the voltage space vector control was improved which made the switching frequency decrease 50%.
采用无损接触检测及交叉试验法研究了电激励信号的频率和电压对果品电特性的影响。
The influences of frequency and voltage of electric excitation signal on electric property of fruits with non-destructive and orthogonal experiment method were studied.
一个个人的燃料电池的阻抗特性决定至少部分对整个燃料电池的电压个人在不同频率的多元化每个。
An impedance characteristic of the individual fuel cell is determined based at least in part on the voltage across the individual fuel cell at each of the plurality of different frequencies.
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