In order to achieve bit synchronization in the optical communication digital receiving circuit combined with fundamental of digital PLL timing logical circuit of bit synchronization circuit is designed and the whole circuit is programmed in FPGA chip via field programmable technology .

在光通信数字接收机中，为了达到系统的位同步，结合数字锁相环的基本原理，采用现场可编程技术，设计了位同步信号的 时序逻辑 电路，并用FPGA芯片实现了整个位同步电路。

Compared with the traditional silicon controlled rectifier timing circuit this circuit has more simple structure and better timing performance .

较之传统晶闸管 调速 电路，该电路结构简单，调速性能更佳。

It mainly includes wastewater detection circuit control logic circuitry power amplifier circuit timing circuit and DC power circuit and so on .

它主要由废水检测电路、控制逻辑电路、功率放大电路、 定时 电路及直流电源电路等几部分组成。

Finally according to the results of analysis we have designed a SAW timing recovery circuit used in 155.520 Mbit / s fiber optical digital transmission systems .

最后，根据理论分析的结果，我们设计了一个可用于155.520Mbit/s光纤数字传输系统的SAW&F 定时提取 电路。

Timing circuit for UTC minute time mark

UTC时间分号 对时 电路

Finally the experiment on the CCD timing drive and signal processing circuit is made and the result shows that the timing drive circuit could cooperate with the high performance CCD well ;

最后，对CCD 时序驱动 电路、信号处理和采集电路进行了试验，结果表明驱动 电路能很好地与CCD配合，充分发挥CCD高性能的光电转换特性；

Calibration timing circuit of BES ⅲ MDC electronics

BESⅢ漂移室电子学的校准 时序 电路

While adopting the accumulator the PIC is considered as the system kernel . The relative function circuits have been designed and the system has generating and tuning functions of power frequency experiment voltage accurate timing circuit as well as perfect and reliable protection function .

采用蓄电池供电时，系统以PIC单片机为核心，设计了相关的各个功能电路，使系统具有工频试验电压的产生与整定功能，满足试验标准的测量 单元， 定时 电路准确，保护环节完善可靠。

This thesis focuses on exploring the approach to improve the liquid crystal valve modulation 's performance and Methodology The solution of designing timing control circuit based on CPLD is described in detail as well .

文中探索提高液晶阀调制的性能的途径和方法，并详细介绍用 CPLD实现所需 时基控制的解决方案。

A Simple Designing for Circular Timing Circuit

循环 时序 电路的简便设计

The system design and implementation methods of timing control circuit for a new CMOS image sensor are proposed .

本文主要论述了CMOS图像传感器 时序控制 电路的系统设计和实现方法。

Function diagram of decoding timing circuit for calibration frequency binary system code in fuzes is given . How to use VHDL language to designs CPLD and carry out the function of decoding calibration frequency binary system code to realize timing accurately is described .

给出引信解码 计时功能框图，重点介绍如何使用硬件描述语言VHDL对可编程逻辑器件进行设计，实现校频二进制解码计时功能，并进行了模拟仿真，实现了引信 电路的微型化和低功耗性能。

The system of laser range finding includes control circuit transmit circuit receive circuit timing circuit and other function circuits . In these circuits the generation and rejection of false alarm are closely correlated to the main control circuit and receive circuit .

激光测距系统包括主控电路、发射电路、接收电路、 计时 电路以及其他一些功能电路，其中与虚警的产生和抑制密切相关的部分主要是接收电路和主控电路。

Vertical concrete iron electro-slag pressure welding machine and double timing circuit

竖向钢筋电渣压力焊机及其双 定时 电路

Systematic inside have adopted the method of time base with timing circuit storing annual examine information then the traffic management department and the automobile operation unit can manage or supervise automobile easily .

系统内部采用了时基 电路 定时的方法储存年检信息，便于交通管理部门以及汽车运营单位对汽车进行管理和监督。

The transmission circuit direct-current high voltage circuit pulse timing control circuit switching circuit were designed based on the standard of rare earth gaint magnetostrictive transducer for driving power and also designed the isolation between the transmission circuit and the direct-current high voltage circuit .

针对稀土超磁致伸缩换能器声波震源对驱动电源的要求，设计了驱动电源的发射电路、直流高压源电路、脉冲 同步控制 电路，提出了发射电路和高压源电路隔离方案。

The Design of Timing Circuit Used in a Variable Rate Videoconference System

变速率会议电视系统中的 时序设计

Finally the TDC and MCU were used to design the timing circuit which had the high distance resolution conduct a preliminary validation .

最后，采用高精度计时芯片和微控制器设计了具有较高距离分辨率的 计时 电路，并对系统的测距精度进行了初步验证。

In this paper the method of checking clock sign in timing circuit is introduced - This method was designed by VHDL hard describe language . The simulation waveform and VHDL original codes are given .

介绍了一种用于校正 定时 电路时基信号的方法，基于VHDL硬件描述语言来设计与实现，并给出了主要VHDL原代码和仿真波形图。

Next the paper designs a memory control timing circuit . This circuit can control the memory circuit from reader issuing commands and data to completing flash memory or a read operation .

之后，论文设计了一种存储器控制 时序 电路，该电路可以完成在读卡器发出指令及数据之后到对存储器擦、写或读操作完成之前对存储器电路的控制。

This paper inquires into the jitter accumulation in digital optical fiber regenerative transmission systems . Jitter accumulation properties with the resonant circuit as the timing circuit are discussed and a simplified formula for the jitter accumulation that adapts to that estimation in engineering is given .

本文探讨数字光纤中继系统中的抖动积累问题，具体分析谐振槽路（RC）作 定时提取 时的抖动积累特性，并 给出适于工程估算抖动积累特性的简化公式。

Phase locked loop ( PLL ) and the delay phase locked loop ( DLL ) are the most important part of the modern electronic equipment and be widely used in the timing circuit and clock synthesizer circuit .

锁相环（PLL）和延时锁相环（DLL）是现代电子设备中最重要的组成部分之一，通常被用于 时序 电路和时钟产生电路中。

Implementation of programmable logic device in timing control circuit

定时控制 电器的可编程逻辑器件的实现

Design of Temperature Measurement System Based on 555 Timing Circuit

555时基电路在 定时 电路中的应用基于555 时基 电路的测温系统设计

Then the ability of the key component of timing circuit analog delay line is probed . The timing resolution and the influence of voltage disturbance temperature and non-linearity on the timing precision is analyzed .

对集成电路测试系统 定时 电路关键部件模拟延迟线的性能进行了理论分析和实验，包括模拟延迟线定时分辨率的分析，电压干扰、温度、非线性等因素对定时精度影响的分析；

In this thesis the research on short-range high accuracy range finding system which is inexpensive and compact is done . To design the laser transmitter and the timing circuit is the main task .

本文旨在针对成本低、体积小的高精度短程激光测距系统开展研究工作，主要任务是设计与实现脉冲激光测距系统中激光发射器电路和 计时 电路。

The signal processing system is divided into the preamplifier circuit signal integration circuit the threshold judgment and timing circuit system .

探测器将光信号转化为电信号，信号处理系统分为前置放大电路，信号融合电路，以及阈值判断与 计时 电路。

Timing circuit is usually made up of power supply unit panel circuit and timing board it is the digital control part of power source .

定时 电路一般由电源模块、面板电路和定时板组成，是功率源中的数字控制部分。