A new method of detecting compensating reference current for active power filters by frequency multiplication modulation (FMM) is presented in this paper.

提出了一种电力有源滤波器补偿参考电流的倍频调制检测新方法。

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The schematics includes four parts: bandgap reference voltage and reference current, 2.7V and 1.8V regulator, over-load protection , Low Battery Detection (LBD) .

其原理包括参考电压电流电路，2.7V及1.8V电压调整电路，过流保护电路以及低压检测电路四个部分。

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The proposed recursive integral PI algorithm can also be applied to the control of periodic reference current with zero steady-state error, such as sin AC drive control.

所提出的模糊递推积分PI控制算法还可以对周期性的被控量实现无静差控制，如交流电机的闭环控制。

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Students learn to think analytically and critically, not just to reference current or past business practice.

FORBES: Magazine Article

Buyers and suppliers who have no binding relationship, by contrast, and who stick to standard legal tenders without reference to current difficult market conditions, could find themselves in a new realm of uncharted territory with little trust.

WSJ: United They'll Stand

This makes it very easy to reference the current time of the program, the name of the show, how big your buffer is and how much time is left -- perfect for those late nights when you want to check the time and determine if it is too late to finish what you've started.

ENGADGET: DirecTV Genie whole-home DVR review HD