While all modern op amps have push-pull OUTPUT stages of some sort, many are still asymmetrical, and have a greater slew rate in one direction than the other.
2
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。
By using the time variant modulation ratio method, the harmonics can be eliminated and a sinusoidal and balanced output voltage or input current is obtained.
3
研究了对称组合系统的鲁棒输出调节问题。
The robust output regulator problem for symmetric composite systems was studied.