系统功能

Compared with the conventional 2-D coordinate measuring systems, the new system has great improvement at measuring speed, aiming accuracy, measuring function and degree of automation The new system consists of two parts image measuring system of displacement and image autofocusing and aiming system The displacement measuring system in which CCD camera is used for locating the optical scale not only processes the advantages of absolute code measuring system powerful noiseproof feature, good long-time stability, easily compensated ruling error of optical scale, but also has the advantages of morden numerical systems easy numeralization and intelligence The autofocusing and aiming system in which CCD camera is applied for gaining the defocusing information and edge location information of workpiece enjoys the advantages of fast autofocusing, accurate result, high accuracy of edge detection and wide range of measured parameters, etc The feasibility of the new 2-D measuring system is analyzed in this thesis and related parameters are calculated.

详细本文在分析了现有二维中小尺寸测量系统中，光学仪器的光学读数系统和调焦、瞄准系统的优缺点之后，结合现代数字化仪器的优缺点，提出研制一种新的二维图像测量机系统。与传统二维坐标测量系统相比，新型系统在测量速度、瞄准精度、测量功能及自动化程度等方面都有较大的提高。该系统由图像式位移测量系统和图像式自动调焦、瞄准系统组成。图像式位移测量系统采用CCD摄象机拾取光学线纹尺的位置信息，既具有传统光学式绝对码位移测量系统的优点—抗干扰能力强、长期稳定性好、光学标尺误差易于补偿等优点，又具有现代化数字仪器易于微机化、智能化的优点。

So, the function requirement to the system, the system design and key technologies change greatly to satisfy the need of modern avion simulation training.

随着科学技木的飞速发展，现代军机仿真训练系统面临两大需求：一是功能需求，现代军机功能的增强，使飞行仿真训练内容发生了较大变化；二是技术更新需求，新技术的发展及其在仿真系统中的应用，对军机仿真系统的逼真度提出了更高的要求。

Recent progress in radio prototype has extended the horizons of radio technology by liberating chronics dependence on hard-wired characteristics including frequency band, channel bandwidth, and channel coding. These efforts have led us to the feasibility of dynamically programmable receivers system of software radio.

软件无线电系统的硬件结构与功能相对独立，这样就可以基于相对通用的硬件平台，通过软件实现不同的通信功能，并可对工作频率、系统频带、调制方式等进行编程控制，系统的灵活性大大增加。

In order to develop new types of explosion relieve valves,a new experimental plant for explosion relief valve of diesel engine was developed,which was controlled by data acquisition system.Its functions,operation principles and facilities are introduced,with the focus on operation control system and data acquisition and analysis system.

阐述为研制新型柴油机防爆阀，开展防爆阀防爆功能试验研究，开发的一套由计算机数据采集系统控制的防爆阀爆炸试验装置，论述试验装置的功能、原理和设备，重点介绍装置运行控制系统和数据采集分析系统。

In order to develop new types of explosion relieve valve s,a new experimental plant for explosion relief valve of diesel engine was developed,which was controlled by data acquisition system.

阐述为研制新型柴油机防爆阀，开展防爆阀防爆功能试验研究，开发的一套由计算机数据采集系统控制的防爆阀爆炸试验装置，论述试验装置的功能、原理和设备，重点介绍装置运行控制系统和数据采集分析系统。

Both functional objective and performance objective have been prepared for the development of the enterprise's technological project management system. And the B/S prex structure especially for the system has been presented. The whole management system comprises six function modules, including sound management control process and flexible user supervision. The ASP.

根据企业对科技项目管理的实际需要，提出了企业科技项目管理系统开发的功能目标和性能目标，并据此给出了系统B/S网络结构，将整个系统划分为六个功能模块，建立了完整的管理控制过程和灵活的用户管理，并利用ASP。

The design includes an integrated property management information system, families intelligent systems, structured wiring systems, computer network systems, visitors phone systems, satellite and cable television systems, video surveillance and perimeter to prevent system, electronic patrolling system, one-card management system, the car park management systems, and weak electricity and telephone network engineering, public broadcasting system, large-screen display systems, electrical and mechanical equipment control system, totaling 14 ground systems, functional, configuration and reasonable.

该设计方案包括综合物业信息管理系统、家庭智能化系统、结构化布线系统、计算机网络系统、访客对讲系统、卫星及有线电视系统、视频监控及周界防范系统、电子巡更系统、一卡通管理系统、停车场管理系统、电话及弱电管网工程、公共广播系统、大屏幕显示系统、机电设备控制系统等共14个子系统，功能齐全，配置合理。

Based on this, author brought forward function demands of hardware and software of control system, and worked out the scheme of hardware and software of parallel and series control system according to these demands.

在此基础上，作者系统地提出了控制系统的硬件和软件的功能要求，根据功能要求完成了并联和串联控制系统的硬件和软件方案设计。

The system can realize integrated protection and control functions for three circuits, meet demand of long distance protection, and reduce probability of safety accidents caused by system fault because of self-checking function.

该系统可对3个回路执行综合保护和控制功能，能满足长距离保护的要求，系统自检功能的设计减小了系统故障引发安全事故的几率。

All the functions and the operational habits in the older system were preserved and the responding speed was accelerated at the same time. In addition, the new system was enhanced with system condition display function and equipped with industrial Ethernet for further upgradings in production management.

新系统完全保留了原系统的全部功能及操作习惯，响应速度更快，并增强了系统运行状态信息显示功能，而且具备工业以太网接口，为生产管理升级预留了空间。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。