查询词典 microcomputer

Basing on theory analysis and computer simulation,the method of a parabolical curve interpolation is applied to correct this error, and this metmhod is also realized with a microcomputer in a TV tracking measuring system.

本文在理论分析、计算机仿真基础上提出用抛物曲线插值方法对该项误差进行校正，并用微机在一电视跟踪测量系统中实观。

The environment light intensity is converted into a high or a low electric level of RA2 which is one of the input ports of single chip microcomputer through a photoresistance MG44-2.The AD module will sample and the result will be stored in the work register then compared with a prestablished quantity.

基于PIC16F877A单片机的电子时间引信LCD背光控制，将环境光强度通过MG44-2光敏电阻器转换为单片机输入端口RA2上的电平高低，经模数转换模块进行采样，其结果存入工作寄存器，并与预先设定值相比较。

This paper offers a design scheme using single chip microcomputer AT89S51 and periphery chip LM331, MAX7219, among which, the MCU is a instrument designed for gaining and controlling data from linear strain displacement sensor under constant voltage and presser sensor located at plank. It is pithily in structure and excellent in reliability.

文中介绍利用单片机AT89S51和外围芯片LM331、MAX7219的设计方案，其中微处理器单元是用来从恒电势的线性应变位移传感器和装在支架上的压力传感器的电信号中获取及处理数据的设备，安装在轻的铝合金外壳中，按用途需要设计而成，它结构简洁、可靠性高。

Using the complex optimization method, the planeness error value can be evaluated quickly and accurately on a microcomputer.

利用复合形优化方法，在微型计算机上可迅速、准确地求出此准则下的平面度误差值。

Based on the dyanamic analysis of position loop system for the use of four roll hydraulic mill, analyses of thickness precontrol and monitored control function and constitutent are given; and the design procedure of a digital controller and specific plan of microcomputer implementetion are also given.

在四辊液压轧机位置闭环系统动态分析的基础上，分析厚度预控和监控的功能、组成数字控制器的设计方法，以及微机实现的具体方案。将其应用到Φ(2 1 0～ 5 0 0 )mm× 80 0mm四辊液压轧机上，使轧机具有较强的消差能力，并使出口带材能锁定在要求的目标尺寸上

General control operating principia, blocking conditions and demands on signals of microcomputer-based control system are also put forward.

根据控制方式及原理，提出一般性的控制操作原则、闭锁条件及微机控制系统信号要求。

The microcomputer is used to monitor the whole system and reprocess the data. The single chip computer which is the center of the whole control system is used to collect and process the data, adjust the speed of the AC electromotor and control the magnetic brake.

微型计算机用来完成对整个系统的监控和数据的后处理，而单片机系统是整个控制系统的核心，试验数据的采集和前处理、交流电机的调速控制、磁力制动器的控制都由它完成。

Its metering principle is that the rotation of premary instruments' roter sents out magnetic pulse signal,then the received signaI by the flow sensor monitor changes into electric signal, Through microcomputer integrating, data processing, after error sectional revision the result displayed.

该流量计的测量原理是：一次表转子旋转发出磁性脉冲信号，由流量传感探头将接收到的脉冲信号转变为电信号，经微电脑积算、数据处理、误差分段修正后显示出。

The designing idea and realization method of a wireless tachometer of the engine with the wireless transmission technique were discussed.The design of the hardware and software of the wireless tachometer system was provided,based on TX100/RX100 ASK wireless receiving and transmitting radio module, real time clock chip PCF8563,AT89C2051 microcomputer and four-bit serial segmentary LCD of EDM1190A.

提出了一种应用无线传输技术的发动机无线转速表的设计思路及实现方法，给出了基于TX100/RX100ASK无线射频收发模块组、实时时钟芯片PCF8563、AT89C2051单片机和4位串行段式液晶显示器EDM1190A的无线转速表系统的硬件和软件设计。

The major difference between microcomputer and their predecessors lies in their use of semiconducting silicon chips , which contain their circuit .

微型计算机和原有计算机之间的主要区别在于它使用了半导体硅芯片。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。