A fairly basic circuit (left as an exercise, but it's not difficult) can take the control voltage and output a constant current which is proportional to the voltage.
一个相当基础的电路(留作练习,不过并不难)处理控制电压并输出与电压成比例的恒流。
The result shows that under the constant current exciting mode, the exciting magnetic field is the strongest and has a focusing effect, which improves the eddy detection sensitivity considerably.
结果表明,在恒流激励方式下的激励磁场最强,且具有聚焦效果,因而可有效地提高涡流探伤的灵敏度。
Cascade JFET constant current device is of very high dynamic impedance.
串级JFET恒流器件具有非常高的动态阻抗。
It designs and makes a constant current power supply equipment used in measurement.
介绍一种计量用恒流电源装置的设计和制作过程。
A novel method to drive magnetron by constant voltage-constant current technique is proposed.
提出了用恒压-恒流技术驱动磁控管的新方法。
This paper introduces a control system of spot welding constant current based on fuzzy logic arithmetic.
介绍了一种基于模糊逻辑算法的点焊恒电流控制系统。
Its electrochemical properties were tested by constant current methods and cyclic voltammetry techniques.
通过恒流法和循环伏安法测定了材料的电化学性能。
The result of testing on site manifests that the effect of spot welding constant current control is good.
实际焊接考核试验结果表明:控制系统具有很好的恒流控制效果。
The constant current generator characteristic of source is realized by proportional integral (PI) algorithm.
采用PI算法,实现电源恒流外特性控制。
The operational performance of DC bridge circuits(including constant voltage and constant current) was analyzed.
对直流(包括恒压和恒流)电桥的工作性能进行了分析。
The localizer is composed of two parts:a constant current constant frequency signal source and a signal detector.
装置由恒流信号电源和信号检测装置两部分组成。
Two charge ways are commonly taken in charge circuit, charge with constant voltage and charge with constant current.
一般的充电回路采用的充电方式有两种:恒压充电和恒流充电。
The design of the constant current source in two-wire transmitter and the integrated transmitter circuit are analysed.
分析说明了二线制变送器的恒流源设计及变送器的整机电路。
A prototype with constant current charge and discharge functions is developed. Experimental data and waveform are given.
研制成功可用于恒流充电和放电的充电器样机,文中给出了实验数据和波形。
This paper deals with the development of the microcomputer constant current control system of the spot welding inverter.
本文研制逆变点焊电源的微机恒流控制系统。
A high voltage and large power constant current charging power supply designed for a new type energy model is introduced.
介绍了一种使用在某新型能源模块装置中的高压大功率恒流充电电源。
While two contacts supply a constant current, the other two contacts measure the voltage drop across a portion of the sample.
其中两个探针提供恒定的电流,而另外两个探针测量一部分样品上的电压降。
The capacitor current exchange type quasi-constant current charging system was used for capacitor bank storage energy systems.
所用电容器组储能系统采用电容换流式准恒流充电回路。
This article introduces a method of direct usage of voltage source as a power for Hall element instead of constant current system.
本文介绍一种不用恒流源而直接用电压源为霍尔元件供电的方法。
The average value of hydrogen diffusion coefficient in metal hydride(MH) electrode was measured by constant current discharge method.
利用恒流放电法测定了金属氢化物(MH)电极中氢原子扩散系数的平均值。
From the stability formula of the base circuit, the stability expression within constant current source and assistant power is discussed.
从基本电路的稳定度公式出发,讨论了采用恒流源负载和辅助电源的稳定度表达式。
Using the soluble iron plate as electrode plate, the treatment of electroplating synthetical wastewater at a constant current was studied.
以可溶性铁板为极板恒电流处理电镀综合废水。
According to the requirements of coil power supply, the paper designs one kind of constant current source based on the switching power supply.
根据线圈供电要求,本论文设计了一种基于开关技术的恒流电源。
The estimating methods of the values of the discharge capacitor and limiting resistance in design of the constant current source are also given.
在恒流源设计上,本文简略给出放电电容和限流电阻的估算方法。
In the theoretical analysis the load is supposed as a resistor to void the calculating error while the load is treated as a constant current source.
理论分析将负载作为电阻考虑,避免了将负载看作恒流源时给计算带来的误差。
Adopting constant current charging of computer measurement and control integrated system, high degree of automation, strong anti-interference ability.
采用恒流充电计算机测量控制一体化系统,自动化程度高,抗干扰能力强。
Studies on this model put up the constant current block equalization algorithm and also the variable current equalization algorithm with key parameters.
基于这一模型的研究给出了恒流分块轮转算法和变流均衡算法及其关键控制参数。
The driving circuits adopt constant current chopping for the purpose of improving rotating torque and increasing working efficiency of the stepper motor.
驱动电路采用恒流斩波方式,提高了步进电机的运转扭矩和工作效率。
The two kinds of preparation methods of the counter electrode (platinum) were discussed: electrochemical (constant current law) and thermal decomposition.
讨论了反电极铂的两种制备方法:电化学法(恒电流法)和热分解法;
The two kinds of preparation methods of the counter electrode (platinum) were discussed: electrochemical (constant current law) and thermal decomposition.
讨论了反电极铂的两种制备方法:电化学法(恒电流法)和热分解法;
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