Pulse width modulation is used to reduce the total power delivered to a load without resulting in loss which normally occurs when a power source is limited by a resistive element.
脉宽调制技术是用来降低总功率交付给了负荷，没有造成损失，这是通常发生时，电源是有限的，由电阻芫件。
The Sine wave Pulse Width Modulation (SPWM) is used to reduce the wastage and the noise of the motor more effectively, as comparing to the equal pulse width modulated PWM.
相对于等宽脉宽调制PWM，正弦波脉宽调制SPWM可以有效地降低电动机的损耗和噪声。
It can reduce the length of the pulse forming line on the premise of forming the same output pulse width to adopt a helical structure.
采用螺旋形结构的脉冲形成线能在形成同样脉冲宽度的前提下大大缩短形成线的长度。
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