移相电路主要是由电容器的电流超前电压90度这一特性。
Rc phase-shift circuit current mainly by the capacitor voltage is 90 degrees ahead of this feature.
通过90度移相电路和两路相敏检波电路实现了对探头信号进行二维提取。
The sensor's signal is decomposed to two signals by circuit of 90 degree move-phase and two circuits of phase-sensitive detecting rectification.
通过移相电路获得相差90度的另一路信号,然后用可逆计数器实现稳定准确的周期计数。
Anoiher signal with 90 degree delay is obtained by phase shift circuit. The accurate and stable circle counting is done by a reversible counter.
介绍了稳弧电路、同步移相电路、触发电路及外特性控制电路的设计特点,对各单元电路进行了具体的分析。
This article introduces the characteristics of stabilized arc circuit, sync shift-phase circuit, trigger circuit and control circuit, also illuminates each unit circuit.
射频MEMS开关是重要的射频MEMS器件,一些RF MEMS开关已经应用于部分微波系统的前端电路、数字电容器组和移相网络。
As one of the most important MEMS devices, RF MEMS switches have been applied in front-end circuits of some microwave systems, antenna and phase shift architectures.
研制的谐振式软开关弧焊逆变电源,主电路采用新型LCL结构,控制系统选用恒频移相调脉宽控制方案。
The resonant soft switching inverter arc welding power source uses LCL type structure in the main circuit, and selects phase shifting pulse wide modulation technique in the control system.
控制电路采用基于DSP的数字化控制系统,详细给出了移相pwm的实现原理和控制系统的软件流程图。
Choose the control circuit with the digital system based on DSP, particularly present the realization method of phase-shifted PWM and software flow chart of the control system.
提出并深入研究了高频脉冲交流环节逆变器电路拓扑族及其双极性移相控制策略。
A circuit topology family of inverters with high frequency pulse AC link and a double polarities phase-shifting control strategy are proposed and deeply investigated.
本文提出了一种新型的“移相式”微步驱动电路,该电路向步进电动机提供一个模拟电源。
A new "phase shift type" vernier drive circuit which provides the analog power for step motors is presented in this paper.
如果能适时地引入梯形电路的简单介绍,则rc移相式振荡电路的振荡频率及振荡条件可以容易地求出。
If we introduce the ladder-shaped circuit simple in good time, the oscillating frequency and oscillating condition of rc phase shift oscillating can be w.
如果能适时地引入梯形电路的简单介绍,则rc移相式振荡电路的振荡频率及振荡条件可以容易地求出。
If we introduce the ladder-shaped circuit simple in good time, the oscillating frequency and oscillating condition of rc phase shift oscillating can be worked out easily.
由于其优越的微波特性,MEMS开关已在许多电路和系统中,包括微波前端电路、数字电容器组和移相网络中得到应用。
Because of their superior microwave performance, MEMS switches are being developed in many circuits and systems, including radio front ends, capacitor Banks and phase shifting networks.
这三个部分均采用可控硅进行控制,可控硅的触发采用KC05集成电路移相触发。
These three parts use the silicon-controlled rectifier to carry on the control, the trigger of silicon-controlled rectifier adopt phase-shifting trigger of KC05 integrated circuit.
运算放大器扩展功能,在电子电路设计中其数学模型为放大电路,含移相电容、反馈电阻及输入阻抗。
In circuit design, the mathematical model of operational amplifier expanded function is expanded circuit. The circuit includes phase electric capacity, the feedback resistance and the input impedance.
对移相全桥软开关电源主电路和控制电路进行了详细的参数设计。
Have carried on the detailed parameter design to the phase-shifted Full-Bridge soft switching power supply main circuit and the control circuit.
本文阐述一种以电流为取样讯号,采用阻容移相控制电路的异步电动机轻载节能器,在节电指标相仿的情况下,使线路大大简化。
The use of resistance and capacitor in phase-shift control circuit makes it much simpler when the electricity-saving targets are the same.
采用移相调制的多重斩波电路,可以提高等效开关频率,因此可应用在中大功率场合。
With the shift-phase modulated multiple chopper circuit, the equivalent switch frequency can be improved, so it can be used in large power occasion.
提出了一种由集成电路组成的双向晶闸管移相触发器的设计方案,给出了适合于感性负载的交流调压电源的触发电路。
A scheme of bidirectional thyristor phasing trigger composed by ICs is presented, and the trigger circuit fit for AC voltage regulator of inductive load is given.
由于此两种移相网络易实现集成化、免调整,越来越被设计集成电路的工程师重视。
IC design engineers are focusing on these two kinds of phase - shift - net works, because of their possibility of easy integration and free of adjustment.
在此背景下,本次设计将CPLD引入到V-M系统中,开发出与以往脉冲产生方式相区别的数字式移相触发电路。
In this background, with the application of CPLD in V-M System, a digital SCR trigger circuit with phase shifting is developed which is absolutely different from the former ones.
触发电路结构简单,控制灵活,温度影响小,控制精度可通过软件补偿,移相范围可任意调节等特点,目前已获得业界的广泛认可。
Trigger circuit structure is simple, flexible control, temperature, control accuracy can be compensated by software, can adjust arbitrarily limits have won the wide recognition.
提出并深入研究了高频脉冲交流环节逆变器电路拓扑族及其双极性移相控制策略。
A circuit topology family of inverters with high frequency pulse AC link and a double polarities phase shifting control strategy are proposed and deeply investigated in this paper.
对精密测试中常用的几种移相方法进行了讨论,主要浅析小角度电路移相方法。
In this paper, several phase shift methods generally used in accurate test and measurement are discussed. The minor angle circuit is superfacially analyzed mainly.
并且给出了移相全桥zvs - PW M功率转换电路的关键元件的设计方法。
And it has given the design method of the essential part in the phase shifting full bridge ZVS-PWM power conversion electric circuit.
如晶体管电路,可在输入端参加一个节制旌旗灯号来节制移相巨细;
Such as the transistor circuit can be input by adding a control signal to control the phase-shift size;
最后分析证明了采用移相调压最优SPWM控制的逆变器,控制电路简单,在移相角较小时,波形质量较好。
The final analysis proved that a phase-shifting surge SPWM optimal control of the inverter, a simple control circuit, in the phase shift smaller, better quality waveform.
国外前几年已有采用此两种移相网络的集成电路商品化,国内近期已出现了类似的集成电路。
Several years back, these two networks ICs were commercialized in foreign countries, and in China similar IC are also c…
阐述了零电压开关技术(ZVS)在移相全桥变换器电路中的应用。
The application of the ZVS switching technique on full-bridge converter is discussed.
提出了一种新颖的移相控制零电压开关三电平变换器,分析了该变换器的工作原理,并给出了移相控制电路和驱动电路。
This paper proposes a novel phase-shifted zero-voltage-switch three-level converter. The operation principle of this converter is analyzed, and its phase-shifted circuit and drive circuit are given.
电源通过BOOST电路校正功率因数和调节电压,用移相全桥把直流电逆变成高频方波,然后经高频变压器升压后倍压整流得到直流高压。
The power supply USES BOOST converter for power factor correction and voltage regulation, and it converts DC to HF ac square wave with phase-shifted full bridge.
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