查询词典 by-product circuit

The hardware processing method includes adding Smiter trigger in RC filter circuit to plastic the output wave of filter circuit, acquiring front steep output signal of and making reverse operation in CPLD.

硬件处理方法是在RC滤波电路的输出端加施密特触发器，对滤波电路的输出整形，取得前沿很陡的输出信号，并在CPLD中对信号作反相处理。

Arbitrary waveform generator is widely used in experiment and practical work as signal sourer. Apply the HSO function of 8OC198KC MCU to generate PWM waveform, then use the PWM to compose arbitrary waveform. The concrete hardware control circuit and the software realization method are presented. Then take the three-phase SPWM waveform generator for example, pot forward the application circuit and show the result of test. Experiment shows that the waveform distortion of sine, triangle and sawtooth is small and the operation is simple. The performance is high.

任意波形发生器作为信号源，在实验教学和实际工作中有着广泛的应用；应用Intel公司80C196KC单片机的HSO功能产生PWM波形，再由FWM波合成频率在20~100Hz之间的任意波形；设计了具体的硬件控制电路和详细的软件实现方法，并以三相SPWM波形发生器为例，给出了实际应用电路及其测试结果；实验结果表明，该波形发生器产生的三相正弦波，三角波、锯齿波失真度小，操作简单，直观，性能价格比高。

The paper,by the theoretical analysis and calculation for the discharge time and the strike fire interval of IEC spart test device of the resistance-capacitance circuit,finds out the cause of the low sensitivity and approaches a new way to test ɑnd prove the capacitive circuit,in the prerequisite of no affect on the performances of the IEC spark test device.

目前 ，利用&IEC本安电路火花试验装置&，对时间常数较大的电容性电路试验，在多数情况下都采用拔钨丝根数来实现。

By sampling echo signal demodulated and A/D transform, sampling value is transmitted to SCM for compare, division, calculation, and exporting gain code to control signal range; furthermore controlling the AGC circuit, realizing amplification control to echo signal, consequently stabilitate the signal range in a window for the later circuit.

通过对检波后的回波信号进行采样，经过A/D变换，采样值送入单片机内部进行比较、判别、计算，然后输出可控制信号幅度的增益码去控制AGC电路的受控级，实现对回波信号的增益控制，从而使得输出信号幅值稳定在一个窗口内，供后续电路处理。

Unit 22 400vac low voltage distribution pen busbar unit 22 400vac low voltage distribution cubicle lighting.plug and heating unit 22 400vac low voltage distribution measuring and ac-distribution unit 22 400vac low voltage distribution 220vdc control2 unit 22 400vac low voltage distribution control circuit breaker unit 22 400vac low voltage distribution automatic interconnection2 unit 22 device list unit 22 400vac low voltage distribution cubicle lighting.plug anh heating unit 22 400vac low voltage distribution ac/dc supply control unit 22 400vac low voltage distribution cb supply 1 control unit 22 400vac low voltage distribution cb coupling control unit 22 400vac low voltage distribution cb supply 2 control unit 22 400vac low voltage distribution cb supply 1 control unit 22 400vac low voltage distribution control unit 22 400vac low voltage distribution high pressure pump.bearing de control unit 22 400vac low voltage distribution stillstand heaters control control unit 22 400vac low voltage distribution oil mist suction device de control unit 22 400vac low voltage distribution h press pu.bearing de stand-by control unit 22 400vac low voltage distribution oil mist suction device nde control unit 22 400vac low voltage distribution indication unit 22 400vac low voltage distribution automatik input unit 22 400vac low voltage distribution circuit diageam unit…400vac low voltage distribution front view unit…400vac low voltage distribution inside view unit…400vac low voltage distribution cubicle view gauge board cover sheet gauge board front view gauge board inside layout gauge board fower supply gauge board cubicle lighting/heating gauge board 24vdc distributidn gauge board fault indication lamps gauge board fault messages to control gauge board temperatures thrust bearing gauge board temperatures de/nde guiide bearing gauge board temperatures de/nde bearing oil reservoir gauge board temperatures cold air from coolers gauge board display temperatures cooler 1-10 gauge board display temperatures cooler 11-20 gauge board temperatures hot air from coolers gauge board display tem.

单位 22 400 vac 低的电压分配钢笔 busbar单位 22 400 vac 低的电压分配小卧室 lighting.plug 和暖气单位 22 400 vac 低的电压分配测定和 ac-分配单位 22 400 vac 低的电压分配 220 vdc control2单位 22 400 vac 低的电压分配控制线路断路器单位 22 400 vac 低的电压分配自动机械 interconnection2单位 22本装置目录单位 22 400 vac 低的电压分配小卧室 lighting.plug anh 暖气单位 22 400 vac 低的电压分配 ac/直流补给控制单位 22 400 vac 低的电压分配 cb 补给 1 控制单位 22 400 vac 低的电压分配 cb 联结控制单位 22 400 vac 低的电压分配 cb 补给 2 控制单位 22 400 vac 低的电压分配 cb 补给 1 控制单位 22 400 vac 低的电压分配控制单位 22 400 vac 低的电压分配高度强迫 pump.bearing de 控制单位 22 400 vac 低的电压分配 stillstand 加热器控制控制单位 22 400 vac 低的电压分配油雾吸装置 de 控制单位 22 400 vac 低的电压分配 h 杂志报纸 pu.bearing de 台子-被控制单位 22 400 vac 低的电压分配油雾吸装置 nde 控制单位 22 400 vac 低的电压分配指示单位 22 400 vac 低的电压分配 automatik 输入单位 22 400 vac 低的电压分配线路 diageam单位…400休假低的电压分配前面视野单位…400休假低的电压分配内部看单位…400休假低的电压分配小卧室视野精确计量董事会掩护张精确计量董事会比较前面的视野标准度量在地面区划之内搭乘标准度量董事会 fower 补给标准度量董事会小卧室照明/暖气标准度量董事会 24 vdc distributidn标准度量董事会过失指示灯精确计量董事会过失信息控制标准度量董事会温度插入了举止标准度量董事会温度 de/ nde guiide 举止生的标准度量董事会温度 de/ nde 涂油水于水库标准度量董事会来自冷却器的温度冷空气精确计量董事会展览温度冷却器 1-10精确计量董事会展览温度冷却器 11-20标准度量董事会来自冷却器的温度热气精确计量董事会展览 tem。

This artice introduces a metal-semiconductor-metal-photodetector circuit model that can be used in CAD. gives the PSPICE subcircuit description of the model, and make a confirmation of the model using the circuit simulator PSPICE.

文中介绍了一个可为计算机辅助分析软件采用的完整的金属-半导体-金属光探测器的电路模型，给出了该模型的PSPICE子电路描述，并用电路模拟软件PSPICE对其进行了模拟验证。

A synchronous circuit is a circuit in which the parts are synchronized by means of a clock subcircuit.

同步电路是一种由[def=%E6%99%82%E9%90%98]时钟([def=%E6%99%82%E8%84%88]时脉)子电路所同步的一种[def=%E9%9B%BB%E8%B7%AF]电路。

Subcircuit models are designed and simulated, which includes Bias Current Source, Voltage Reference, Error Amplifier, PWM Comparator, Driver Circuit, Protection Circuits for Over-temperature, Over-current. At last, combined with periphery component, the circuit is simulated, and the result meets the anticipant requirement.

并对集成电路内的各个模块包括电流偏置电路、基准电压电路、误差放大电路、三角波振荡发生电路、PWM比较电路、驱动电路、过热保护电路和过流保护等进行了具体的设计和仿真，并对整体应用电路进行了仿真，结果均达到了预先设定的指标。

The whole PWM circuit contains two subcircuit, the front-end is PWM module that make up of the counter that based on nine MOSFET True-Single-Phase-Clock D flip-flop; the back-end is demodulated module, which is consist of a three order Chebyshev low-pass filter used trans-conductor capacitor. All the subcircuits are simulated. At last, an approving simulated result of the whole circuit is given too.

在调制部分，利用九管单相时钟D触发器构成计数器，并由此组成了脉冲宽度调制电路，同时给出了在典型温度下的仿真结果；在解调部分，介绍了低通滤波器从无源到有源的设计方法，设计了三阶切比雪夫低通跨导电容滤波器，同样给出了相应的仿真结果；最后，作为将脉冲宽度调制电路和滤波器作为整体电路，以脉冲调频波为输入进行了仿真，取得了令人满意的结果。

Based on the characteristics of the chip we designed to control the hydraulic servo system for the core of this system, control circuit valve using digital potentiometer, through programming, automatic regulation resistance, high AD698 and accurately by an LVDT valve mechanical displacements converted single polarity dc voltage, through the simulation, the design of PID algorithm of closing valves, the degree of control system and superordination machine, realize the valve control circuit of adjustment and control.

基于上述特点我们设计了以单片机为控制核心的液压伺服阀控制电路，本系统采用数字电位器，通过编程自动调节电阻值，采用AD698 与LVDT 配合，高精确地将阀门的机械位移转换成单极性直流电压，通过模拟PID调节算法，设计实现了对阀门开合程度的控制，该系统与上位机进行通信，实现对阀门控制电路的调试及监控。

The witness also told the jury at the Royal Courts of Justice in London that he saw a paparazzo fighting with a member of the public who was trying to stop him taking pictures in the minutes before the emergency services arrived.

他还告诉在伦敦皇家法庭的陪审团，在急救服务到来之前，他当时看见一个狗仔队正和一群阻止他拍照的人打架。

The entire N／C program on a tape is made up of an accumulation of these successive data blocks.

纸带上的整个数控程序由这些连续数据单元连接而成。