及电路

A NIM type module IMP NIM9601, anticoincidence circuit for general purpose is introduced in this paper briefly in which the application principle, the circuit structure, the circuit design and the specification are included also.

提出了一种通用反符合电路 IMP- NIM960 1，简要介绍了电路结构与电路设计、工作原理及主要技术指标。

The experiment system utilizes DSP as the key controller, and it is also composed of main circuit, control circuit, protect circuit and efficient system control program based on assemble language.

该实验平台以 DSP 作为核心控制器件，主要包括功率单元主电路，控制电路，保护电路及基于汇编语言的高效系统控制程序等。

This article oppugns popular electrocircuit operations of checking audion and functions of Chonghong RZ118A eliminating -light circuit and pro-poses checking method of body resistance separate-pres-sure partial setting so as to attaint elements when check-ing.

对流行的检测三极管电路操作及长虹R2118A消亮电路作用提出质疑，建议采用人体电阻分压式偏置方式检测，避免测量过程对元件的损坏，其次对电视消亮电路提出了自己的见解。

The working process , the principle and the parameter calculation method of the Undeland buffer circuit .

分析了Undeland 缓冲电路的工作过程及原理，并介绍了缓冲电路参数计算方法，最后用仿真的方法验证了电路的缓冲效果。

One of the driving circuit switching power supply, buffer circuit, the main control circuit and magnetic components to optimize the design.

其中，对开关电源的驱动电路、缓冲电路、控制电路及主要磁元件进行优化、设计。

The paper analyses the working process and the principle of undeland buffer circuit ,introduces the calculating method of parameter of buffer circuit ,and proves the effect of the circuit buffer by simulation.

分析了Undeland 缓冲电路的工作过程及原理，介绍了缓冲电路参数计算方法，最后用仿真的方法验证了电路的缓冲效果。

This invention discloses a multi-queue sequence buffer management circuit and a method based on a pipeline applying a pipeline structure including: an arbitration circuit selecting one for process from read, write and distribution buffer requests, a buffer slot state module designing state of the slot requiring operation and queue numbers and assigning idle slots, a buffer slot filter module filtering the slot, a buffer slot filter module filtering the slot states not belonging to the current operation queues nor idle aligned in terms of the head pointer, a queue slot selection module computing continuous idle slot numbers from the slot pointed by the head pointer and refreshing the head pointer and selecting preparing slots, a queue slot prior queuing module refreshing the read pointer and result numbers of the current operation queues with the pointer of the first prepare slots and their numbers which can support multi-queue to share one buffer space, queues can access the buffer in overlap.

本发明公开一种基于流水线的多队列顺序化缓冲管理电路及方法，本发明电路采用流水线结构，包括：仲裁电路，从读、写、分配缓冲请求中选取一路进行处理；缓冲槽口状态设置模块，设置请求操作的槽口状态和队列号，分配空闲槽口；缓冲槽口滤除模块，滤除不属于当前操作队列且非空闲态的槽口状态，按头指针对齐；队列槽口选择模块，计算头指针指向槽口起的连续空闲槽口数并更新头指针，选出预备态的槽口；队列槽口优先排队模块，用第一个预备态槽口的指针和预备态槽口数分别更新当前操作队列的读指针和结果数；本发明可以支持多个队列共享一个缓冲空间，各类指令队列能对缓冲进行交叉访问，并对指令结果的写入读出进行顺序化管理。

Meanwhile , based on the AT89C51 microcontroller, the system are made up of the double-Level capacitive sensor , the detection circuit of sensor signals, CPU and display circuits, alarm circuits and system software.

同时该系统以AT89C51单片机为微控制器，由双电容式料位传感器、传感器信号检测电路，CPU及显示电路、报警电路和系统软件等构成。

Meanwhile , based on the AT89C51 microcontroller, the systemare made up of the double-Level capacitive sensor , the detection circuit of sensor signals, CPU and display circuits, alarm circuits and system software.

同时该系统以AT89C51单片机为微控制器，由双电容式料位传感器、传感器信号检测电路，CPU及显示电路、报警电路和系统软件等构成。

Another MCU, 89C2051 is used to realize the control of the three rows LED monitor showing coordinates of axis X and Z axis and other state of the system. Charnel A and C of 8155 are used for editor keyboard, which make the inputting or editing of the NC code and data possible. Charnel P1 of 8031 is used for the operation keyboard such as system power on/off and movement of axis X or Z. a programmable parallel I/O chip, 8255, is used to achieve system I/O and the transmission of other information. In summarize, the system developed is characterized by its simplicity, low development cost and high reliability.

在CPU存储器扩展电路设计中， CPU选用MCS-51系列的8031单片机，外扩32K的程序存储器和 8K的数据存储器，分别用于存放系统管理程序、数控加工程序以及运算数据；在显示电路设计中，选用MCS-51系列的89C2051单片机作为从CPU，控制三排LED显示器，用于X轴、Z轴动态坐标以及相关数字的动态显示；在手动键盘和编辑键盘设计中选用8155芯片的PA口和PC口作为行、列母线，扩展矩阵式编辑键盘，用于程序和数据的输入或编辑，同时选用8031单片机的P1口扩展手动键盘，用于系统启动、停止以及运动部件在X、Z轴方向的手动控制；在I/O口扩展电路设计中选用8255芯片扩展输入输出口，用于接收和传送开关量及相关信息。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。