数字

First,apply PLC regulate to speed to alternate current motive, the system adopted PANASONIC PLC, series of FP∑as core,control small-scale model VF0 frequency converter PWM fan-out of pulse,and control AC motion control system's speed , use the rotatory encoder of Omron formed the speed reactive circuit.

可编程控制器是一种数字运算操作的电子系统，专为在工业环境下应用而设计，它采用可编程存储器，用于其内部存储程序，执行逻辑运算，顺序控制，定时，计数与算数操作等面向用户的指令，并通过数字或模拟式输入/输出控制各种类型的机械或生产过程。

This was measured by their ability to spot lottery numbers appearing in a boring ten-minute read-out of numbers.

这是通过测试他们发现那些出现在乏味的十分钟须读出的数字里的彩票数字的能力得出的。

This paper is a research on receiving technology of Set Top Box of cable digital television conformed to MPEG-2 and DVB-C. In this paper, firstly, the structure of hardware platform and the function of hardware parts are discoursed; Secondly, the software system is studied from the point of view of software levels and software modules, and the function of every software level and every software module is also discussed detailedly.

本文对符合MPEG-2和DVB-C标准的数字电视机顶盒进行了研究，对硬件系统的组成以及各个部分实现的功能进行了论述，从软件层次和软件模块的角度对数字电视机顶盒的软件系统进行了分析，并对每个软件层的功能以及每个模块将要实现的功能进行了详细的论述。

After discussing realities of the Peking College of Peoples Policeman, the overall design of digital campus and recountal of it from different aspects are offered.

针对北京人民警察学院数字校园建设具体需求，给出数字校园的总体设计，并从不同角度加以阐述。

In the paper, not only the principle of the algorithm is introduced in brief, but also the algorithm of CORDIC is applied to the transform of rectangular coordinate system--polar coordinates system.

在设计B 型超声诊断仪中数字扫描变换器的过程中，坐标变换和数据插补是关键的技术，本研究论述了应用在数字扫描变换器中的一种新的算法——CORDIC 算法。

Transient processes of duty step-change for micro gas turbine were analyzed. The effects of the components such as shafting and recuperator on dynamic characteristics of energy island system were carefully analyzed.

通过合理分配模拟计算和数字计算方式，使其兼具模拟仿真速度快、实时性好和数字仿真精度高、能处理复杂非线性环节的优点，并能实现不同容量能源岛系统的仿真，弥补了传统仿真方式的不足。

Redbird has found a new way to build large area and "double high" 3-dimensional models by using helicopter to get build's data and texture details and this new way solved the problem of building "digital city" costly. We are willing to cooperate with peers of this trade and accomplish the grand mission of building beautiful digital home that history has entrusted to us.

本公司摸索出一条使用直升机快速采集城市建筑数据和纹理，低成本建造大面积"双高"三维模型的方法，解决了"数字城市"的建造费用居高不下的问题，我们愿与业内同仁合作，共同完成时代赋予我们的建造美好数字家园的重任。

By using the fauna of digital television broadcasting channel, sue as mass data transmission, less resource occupied than Internet, and QoS guarantee, this system is de signed base on the Redbud DTV front-end sys tem developed by Shenzhen institute of Tsinghua university. The designed system is a low-cost data downloader using more simple protocols than current data broad cast.

利用数字电视广播信道可以实现大容量的数据传送，与互联网相比具有占用资源少、服务质量有保证等特点，在深圳清华大学研究院数字电视前端系统紫荆神网的基础上，设计实现了比现有数据广播协议更简便的低成本数据下载终端。

This paper mainly introduces the application of RBAC-based access control mechanism in library so as to provide some reference for digital library construction.

文中主要介绍了基于RBAC技术的访问控制机制在数字图书馆中的应用，拟对现代数字图书馆的建设有所贡献。

This topic mainly adopts monolithic integrated circuit AT89C2051 to design a practical digital inductance reflectoscope reflector, the scope of inductance quantity survey is 0.1mH ~ 20H, uses two half digital demonstration, the biggest demonstration number is 199, the Reading unit unifies with mH, the measuring range divides four keep bracket, the reading respectively rides by the corresponding percentage.

本课题主要采用单片机AT89C2051设计一个实用的数字电感测试仪，电感量的测量范围为0.1mH～20H，采用两位半数字显示，最大显示值为199，读数单位统一用毫亨，量程分四挡，读数分别乘以相应的倍率。

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。