high-frequency DC power 高频直流电源
AC-DC-AC frequency converter 变频器 ; 交变频器
High frequency pulse DC link 高频脉冲直流环节
Frequency Range DC 频率范围
Frequency to DC Voltage Converter 直流电压转换器
dc frequency stabilization 直流稳频
dc inverted frequency control 直流变频控制
Therefore it can be seen that it will "smooth" the "twice mains frequency DC" into a near constant DC voltage.
因此它可以把“两倍于电源频率的直流电”进行“平滑化处理”，成为一个接近恒定的直流电。
This kind of material is already extensive now to be used for common mode choke of high frequency circuit changer, high frequency dc-to-ac converter, zero order mutual-inductor and etc.
这种材料现已广泛用于共模扼流圈、高频开关电源、高频逆变器、零序互感器等许多电器元件。
An analog signal is composed of four basic components: DC and AC magnitudes, frequency, and phase.
模拟信号由直流和交流分量、频率和相位四部分组成。
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