By using the time variant modulationratio method, the harmonics can be eliminated and a sinusoidal and balanced output voltage or input current is obtained.
通过采用时变调制比的方法，可以消除不对称输入电压的影响，从而获得对称正弦输出电压或输入电流。
2
The pressure test on granite has researched into the tectonic activities between the continuous occurrence of strong earthquakes and its spatial-temporal characteristics of modulationratio.
并用花岗岩块体受压实验结果初步探讨了中强地震连发及其调制比时空展布特征的构造活动。
3
The output voltage waveforms of matrix converter which is based on the space vector modulation are analysed under the unbalanced input voltage. A time-variant modulationratio method is proposed.