Meanwhile, charge pump elevator in powered-off state is reversely cut off to prevent energy leakage to ground.
同时，掉电后的电荷泵升压电路反向截至能防止能量从存储电容泻放回到地。
The model between power efficiency and clock overlapping for charge pump elevator is established, and the optimized clock control strategy to achieve the highest power efficiency is proposed.
建立了电荷泵电路的效率与时钟控制信号的交叠量模型，提出了能获得最高效率的最优时钟控制策略。
To avoid attackers to dissemble the secure circuits, the design technologies of low-voltage high power efficiency fully integrated charge pump elevator are studied.
为了避免攻击者将安全电路拆卸掉，研究了低压、高效率、全集成电荷泵升压电路的关键技术。
The system utilizes charge pump elevator to enhance the voltage of storage capacitor and effectively increase the reserved energy.
利用电荷泵升压电路提高存储电容的电压，有效的增加了存储能量；
It is present a method to design altitude control system for a high altitude airship using auxiliary ballonet charge or deflation and elevator combination control.
当时高度存在大误差时，采用副气囊和空气舵组合控制改变飞艇的姿态实现快速爬升或下降；
It is present a method to design altitude control system for a high altitude airship using auxiliary ballonet charge or deflation and elevator combination control.
当时高度存在大误差时，采用副气囊和空气舵组合控制改变飞艇的姿态实现快速爬升或下降；
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