用状态平均法分析了开关电源充放电过程。
Thus state averaging method is used to analyze the charging and discharging processes of the switching power supply.
采用开关元件控制的恒流充放电是产生稳定非正弦振荡波的主要方法。
Constant current charging by switch control is the main method to generate non-sinusoid oscillation waveform.
减少动态功耗的主要技术：（1）降低开关电容。（2）降低充放电电压摆幅等。
The main techniques used to decrease active power are :(1)reduce switch capacitance. (2)Minimize level of voltage which to precharge or discharge capacitance.
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