High power factor at ac input can be achieved by controlling the switch of capacitor charge circuit.
通过对电容器充电回路开关管进行控制，实现交流输入端的高功率因数。
The only cure I know is to disable power management, or simply hit the power switch and start over.
我所知道的唯一的解决办法是禁用电源管理，或者使用电源开关重新启动。
Using an optical switch, this ramp up time can be reduced to less than a tenth of a picosecond, delivering peak laser power to the plasma on a faster time scale.
使用光开关，可以把这种功率的上升过程缩短到小于0.1ps，在更短的时间内激光以峰值功率到达等离子体。
In just a few years, every door lock, card reader, video camera, vehicle, power meter, and light switch will have an IP address — at least in the business world.
数年之内，至少在商业领域，每一个门锁，每一个读卡器，每一个摄像头，电表，甚至是电灯开关都会被赋予一个IP地址。
Aggravated, I snapped off the computer's main power switch, not waiting to shut things down properly.
一气之下，我啪地一下关掉了电脑的电源，不想再干等着按部就班地关闭电脑。
The outlook of high frequency switch power supply in application to high fidelity audio frequency power amplifier is indicated.
指出了高频开关电源在高保真音频功率放大器中广阔的应用前景。
In search of light, small, thin of the switch power, this paper summarizes the technique of integrated magnetic, introducing the normal research method of integrated magnetics.
本文在追求开关电源轻、小、薄的背景下，综述了磁集成技术，介绍了集成磁件的一般研究方法。
Up to now, a lot of efforts were put into the research on optimizing the switch power design and improving its efficiency.
迄今为止，已有多项研究致力于在各个方面优化开关电源的设计以实现更高效率。
Semiconductor optical amplifier (SOA) is very fit for all optical modulation format conversion due to its high nonlinear characteristics, lower switch power and small size.
半导体光放大器(SOA)由于具有高非线性特性、低开关功率和尺寸较小等优点，非常适合用来实现全光码型转换。
This paper discussed the principle of a great power battery charger using low cost switch power converter, the practical circuits are presented.
讨论了低成本开关电源式大功率蓄电池充电机的工作原理，并给出了实用的电路原理图。
Therefore, the thesis emphasized on the design of high efficient switch power supply controller, especially the improvement of the efficiency under light load condition.
有鉴于此，论文重点围绕高效率开关电源控制芯片的开发，尤其是轻载条件下提高开关电源效率的技术开展研究。
In many portable instruments, the noise and EMI of its switch power supply must be solved, the preferable method is that EMI power is reduced with spread spectrum frequency technique.
在许多便携式设备中，其开关电源的噪声和电磁干扰(emi)是亟待解决的问题，比较好的办法是利用扩频技术来减少EMI信号的功率成分。
Based on special surrounding of coal mine, a new type of monolithic switch power supply is studied, applied in the design of essential safety mineral power supply.
基于煤矿的特殊环境，研究了一种新型的单片开关电源在矿用本质安全型电源设计上的应用。
The switch power is widely applied in the field of communication, computer, and so on because of its remarkable advantages of compact size and high efficiency compared with conventional power.
相对于线性电源，开关电源具有体积小、效率高等优点，使其在通讯、计算机等领域得到广泛应用。
The project of switch power supply not only meets the needs of electron gun, but also reduces the volume of power supply greatly, and the work efficiency of electron gun is advanced by it.
本设计采用开关电源的方案不仅满足了以上的要求，而且大大缩小了电源的体积，提高了电子枪的工作效率。
The flyback mode switch power supply is chosen as the main circuit of the high voltage power in the paper with 555 pulse control circuit and flyback drive circuit.
选择了反激式开关电源作为高压电源的主电路，并以555脉冲控制电路和反激式驱动电路作为辅助电路。
Field programmable gate array chips typically support two or more power supply voltages, allowing the user to switch between the supported power supply voltages.
现场可编程门阵列芯片通常支持两个或更多个电源电压，以允许用户在所支持的电源电压之间切换。
Two aluminium smelters owned by tycoon Oleg Deripaska's Rusal were forced to switch to power supplies from neighbouring regions after the accident.
事故发生后，铝业大亨奥列格·德里帕斯卡(oleg Deripaska)旗下的俄罗斯铝业公司(Rusal)的两家冶炼厂不得不从邻近地区获得电力供应。
Switch power supply shall greatly reduce power consumption for electrolysis enterprise. Power reduction effect shall be 10%-30% more save than that for normal power supply.
开关电源对于减少电解企业电能消耗有明显作用。节电效果较普通电源可提高10%-30%。
The first switch in the chassis is normally located in the upper left of the blade chassis, just below the power plug.
机架中的第一个交换机通常放在刀片服务器机架的左上方，就在电源插头的下面。
Switch power of high frequency is serious electromagnetic interference (EMI) source, so EMI source filter usually should be added in switch power.
高频开关电源是严重的电磁干扰源，很多情况下需对其安装emi电源滤波器。
Describes mainly the circuit principle of switch power supply for medical equipment and troubleshooting of common malfunctions.
主要介绍医疗设备开关电源的电路原理与故障的检修方法。
The design rules and observing proceedings are presented from the layouts, wires placing and grounding of the printed circuit board (PCB) aiming at the EMC design of switch power supplies.
针对开关电源印制电路板的电磁兼容性设计，从PCB的布局与布线、接地等方面提出设计原则及注意事项。
The general PCB design steps of the switch power supply and an example were given in this paper.
本文给出了开关电源PCB设计的一般步骤，并给出实例。
Because the calculation method is accomplished by MATLAB Tool, it is in favor of realizing design and simulation of high-frequency chain switch power supply circuit.
由于该计算方法是在MATLAB环境下进行，有利于进一步实现高频链开关电源电路的设计和仿真。
Adopted switch power technology, MPU test technology and digital temperature test technology, the complete machine is of high integration degree and strong anti-jamming.
整机采用开关电源技术、微处理器测控技术及数字式温度测量技术，集成度高，抗干扰性强。
The switch power has such advantages as high frequency rates, strong power, high efficiency, and was called the energy-efficient power.
开关电源具有高频率、高功率密度、高效率等优点，被称作高效节能电源。
The pulse width modulation character of voltage drive -type pulse width modulator TL494 is introduced. The applicable situation of TL494 in semi -bridge alternate switch power is also analyzed.
介绍了电压驱动型脉宽调制器件TL494的脉宽调制特性，并对其在半桥变换开关电源中的应用情况做了分析。
The pulse width modulation character of voltage drive -type pulse width modulator TL494 is introduced. The applicable situation of TL494 in semi -bridge alternate switch power is also analyzed.
介绍了电压驱动型脉宽调制器件TL494的脉宽调制特性，并对其在半桥变换开关电源中的应用情况做了分析。
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