查询词典 by-product circuit

Secondly, the paper introduced how to implement safety detection by ultrasonic sensor, and presented systemically all the design of collecting and processing signals, storage circuit, lithium battery charging and discharging circuit, data communication circuit, keypads and LCD. This paper studied the code of uC/OS-II and introduced how to port uC/OS-II onto LPC2214. The Real-Time Kernel uC/OS-II is a highly portable, ROMable, very scalable, preemptive real-time, multitasking kernel for microprocessors and microcontroller.

然后论文具体介绍了如何实现超声波传感器进行实时安全监测，并系统的介绍了超声波监测系统的信号采集，处理，存储电路，锂电池充放电控制电路，数据通讯电路，键盘，显示器等的设计；也详细的介绍了多任务操作系统uC/OS-II的源代码及如何在LPC2214上移植等。uC/OS-II是一个移植方便的、可固化的、可裁剪的、占先的多任务实时内核。

In passive balun, we implement the Rat-Race and Marchand balun by using the TSMC 0.35 um CMOS technology process in circuit design. Because the passive circuit always occupy much size in the integrated circuit. So we miniaturized the Rat-Race and Marchand balun in design.

在被动电路分合波器中，利用了TSMC 0.35 um COMS制程制作Rat-Race与Marchand balun，因为在IC制程上被动电路往往占据了很大的面积，所以更进一步将上述两者分合波器微小化，以利於积体电路的实现。

The wireless receival circuit receives the voice identification signal transmitted from the voice remote circuit and then control the robot by mechanic executable circuit to achieve the action of robot.

CCD摄像头采集视频信号，通过微波发射器件发射；无线接收电路接收声音遥控电路发送来的声音识别信号，控制机器人由机械执行电路实现机器人动作。

A support structure is attached to the front or back side of a flexible circuit by direct mounting to the flexible circuit flat ribbon cable, thereby providing a stress-free region of the cable in which the flexible circuit electrical components can be mounted.

采用直接安装于挠性电路扁平带状电缆上的方法将一个支承结构固定在挠性电路的前侧或者后侧，因而在电缆上形成一个无应力区，在该区域内就可以安装挠性电路的电气元件。

The main content of this thesis is as follows: 1The structures of EPS are analyzed. The main components of EPS are introduced in detail. Then the distributed torque in EPS is analyzed and the control system model is set up. 2Three control modes are discussed and the control strategy of EPS is studied in detail. Three principal modules in the control strategy are discussed—the predicted module which predicts motor rotational speed and steering rotational speed, the power-assistant module and the return control module. 3The assistant torque curves of the motor are designed by using the B-spline, so that any kind of custom-built assistant torque curves can be designed according to different kinds of automobiles. 4The hardware frame of EPS is studied. The developed controller based on 8-bit MCU MC68HC908MR8 is introduced and many related circuit units are designed, including the control circuit, the driver control circuit and so on. The software structure is discussed, then the steering control program flowchart is given.

本文的主要工作有： 1分析了EPS 的总体构成，对EPS 的各个部件作了详细的介绍，并在此基础上分析了EPS 的受力情况，建立了控制系统模型，并研究了EPS 的安全性能； 2讨论了EPS 的三种控制方式，提出了控制策略，并讨论了其中三个关键模块的作用：预估模块包括对电机转速和方向盘角速度的预估，助力控制模块以及回正模块； 3用B 样条插值方法进行EPS 助力曲线的设计，可按照用户的要求设计任意形状的助力曲线，以满足不同车型和不同用户的要求； 4研究了控制系统的硬件结构，以MC68HC908MR8 为核心设计了控制器，详细讨论了控制器的控制电路、驱动电路等；设计了控制系统的软件，给出了控制程序流程图，并对要点进行了详细的说明。

A time-shared control circuit points to multiplexer, applies the control signal and switches and repeats to output the input signal by the predetermined cycle order. A comparator compares the voltages of the output signal from the multiplexer and the reference voltage and outputs a dimorphic signal representing the comparative result. A time-share controlled circuit applies the control signals, controls the action of the multiplexer and the latch circuit to lead the respective voltage comparative result to be maintained in the latch circuits.

分时控制电路(5)对多路调制器(4)，使用控制信号(Sc1)，以所定周期顺序切换反复输出所输入的信号(St1)-(St4)，比较器(3)对从多路调制器(4)输出的信号的电压和基准电压进行电压比较，输出表示该比较结果的二态信号，分时控制电路(5)使用控制信号(Sc1)及(Sc2)，控制多路调制器(4)及闩锁电路(LT1)-(LT4)的动作，使得信号(St1)-(St4)的各电压比较结果分别保持在闩锁电路(LT1)-(LT4)中。

Mainly by the design of infrared sensors, signal amplification circuit, voltage comparator, delay circuit and the audio alarm circuit.

本设计主要由红外线传感器，信号放大电路，电压比较器，延时电路和音响报警电路组成。

Circuit system used varistor constitute the Wheatstone bridge to collect small changes in voltage, After amplification circuit amplified into A / D converter circuit, the input voltage digital signal after the conversion output AT89S52 conducted by the control and data processing and results in the LCD display.

系统电路采用压敏电阻构成惠斯登电桥来采集电压的微小变化，经过放大电路放大后送入A/D转换电路，对输入电压信号进行数字量的转换后输出，由AT89S52进行系统的控制和对数据的处理并将结果显示在液晶显示器上。

The discussion covers: 1、By theoretical analysis on the measurement circuit of the piezoelectric accelerometer, a optimization design for charge amplifier is proposed which uses TL081 to replace a largenumber of discrete components. The design not only improve the integration of the circuit, but also have some extra merits, including smaller volume, lower consumption, less autoeciousness and stronger resistance to interruption. 2、Affiliated conditional circuit and filter to the devised charge amplifier, the signal is normalized and the noise ( generally, high frequency signal and DC signal) are restrained.

论文完成的主要工作如下： 1、通过对压电加速度传感器测量电路的理论研究，提出用TL081芯片取代大量的分离元件进行电荷放大器的优化设计方案，从而提高了电路的集成度，使其具有体积小、功耗低、寄生因素少和抗干扰性能强的优点。

The concerned research works of VFTO is investigated.A new transient circuit model to the question of the steep front and high amplitude value of VFTO is proposed based on general transient circuit model. The numeric simulation that disconnector switched off short bus has been proceeded by using above circuit model and the comparison of results with the one based on EMTP are given.

首先针对操作GIS中隔离开关所产生的快速暂态过电压上升时间短及幅值高的特点，在一般暂态电路模型的基础上提出了新的暂态电路模型，并利用该模型，对GIS中隔离开关切断短母线的等值电路进行了数值模拟，并与电磁暂态程序的计算结果进行了比较。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。