电子信息专业英文论文

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　　信息技术的应用与普及，现代信息技术正在向教学、科研、管理的每一个环节渗透，将改变传统的教学模式并大幅度提高教育资源的利用效率。数字化校园、网上大学已被人们熟悉，教育正在走向全面的信息化。 The application and popularization of information technology, modern information
　　technology to the teaching, scientific research and management of each link, will change the traditional teaching mode and greatly improve the utilization efficiency of education resources. Online university digital campus, has been familiar, education is to the comprehensive information.
　　一个校园弱电系统的建设，其最终建设目标是将新校区建设成为一个信息化时代下的高水平的智能化、数字化校园，从而为学校的教育信息化打下坚实的基础。通过在某学校新校区弱电系统设计中的体会，谈谈智能化校园弱电系统集成的一点思考。
　　A weak current system of campus construction, construction of its ultimate goal is to become a new campus construction information era under the high level of intelligence, digital campus, so as to lay a solid foundation for the school education informatization. In the new campus of a school in the weak current system design experience, talk about a bit weak current system integration of intelligent campus thinking.
　　1设计原则
　　1 design principles
　　弱电系统设计方案依据应结合用户需求，并在设计中遵循以下设计原则：
　　Weak current system design scheme on the basis of should be combined with the user requirements, and follow the following principles in the design:
　　（1）实用原则。以满足用户实际应用需求为原则，坚持先进，兼容传统，实现系统集成和系统互联、资源整合、信息共享。把实用性放在第一位；
　　(1) the practical principles. Practical application in order to meet user needs as the
　　principle, adhere to the advanced, compatible with the traditional, system integration and
　　system interconnection, resources integration and information sharing. The practicability in the first place;
　　（2）先进性原则。系统建设方案需要充分参考国内外先进的＂产品和技术，结合实际情况，使建成的系统不但能反映当今的先进水平，而且具有相当的发展潜力，让中心设施达到十年不落后；
　　(2) the advanced principles. System construction plan requires full reference advanced products and technologies at home and abroad, combined with the actual situation, make the completed system can not only reflect today's advanced level, and has considerable development potential, don't get behind center facilities at ten years;
　　（3）标准化原则。采用开放式架构、标准化接口和协议，具有良好的兼容性和可扩展性，其中平台软件的设计采用分层的模块化结构，以达到设置修改灵活，扩充方便，适应业务的发展变化。
　　(3) the principle of standardization. Using an open architecture, standardized interfaces and protocols, has good compatibility and expansibility, including the design of the platform software adopts hierarchical modular structure, modify Settings in order to achieve flexible, expansion of convenient, adapt to changes in the business.
　　（4）安全原则。网络环境下信息传输和数据存储注重安全，保障系统网络的安全可靠性，避免遭到恶意攻击和数据被非法提取的现象出现，安全要求高的系统采用专网专用，与其它网络物理隔离，完全保障数据的安全。
　　(4) security principle. Under the network environment information transmission and data storage pay attention to safety, guarantee the safety and reliability of the system network, prevent malicious attack and data is the phenomenon of illegal extraction, high security requirements of system adopts the private network is special, and other physical isolation network, fully protect the safety of data.
　　（5）扩展性原则。技术选型除了考虑先进、实用，还必须考虑系统的扩展性，系统容量应该有可持续发展的考虑；
　　(5) the principle of extensibility. Technology selection in addition to considering the advanced, practical, must also consider the extensibility of system, system capacity should be a consideration of sustainable development;
　　（6）稳定性原则。从系统结构、技术措施、设备性能、系统管理、厂商技术支持及维修能力等方面保障系统的可靠性和稳定性；
　　(6) stability principle. From the system structure, technical measures, equipment performance, system management, ability of manufacturer's technical support and maintenance support system reliability and stability;
　　（7）可维护性原则。系统应具备自检、故障诊断及故障弱化功能，在出现故障时，应能得到及时、快速的修复。
　　(7) maintainability principles. System should have the introspection, fault diagnosis and fault weakening function, in the event of a failure, should be able to get timely and rapid repair.
　　2设计思想
　　2 design idea
　　一个校园的弱电系统系统主要包含：校园综合布线系统、网络系统、电话通信系统、安防监控系统、一卡通系统、停车场管理系统、校园广播系统、有线电视系统等弱电系统。可见一个校园弱电系统很多，如按以往方案，每个系统独立设计，独立建设，必然会造成重复建设、资源浪费，同时增加系统管理复杂度。
　　A campus of elv system system mainly include: campus integrated wiring system, network system, telephone communication systems, security monitoring system, IC card system, parking management system, the campus broadcast system, weak current system such as cable television system. Is a campus a lot of weak current systems, such as according to the previous plan, each system independent design, independent construction, will inevitably cause repetitive construction and the waste of resources, and increase system management complexity.
　　为建设好高起点、规划现代化的＂数字化校园＂。校园弱电系统应建设采取＂统一规划、基础先行、面向需求、分步实施＂的建设思路实施。首先做好统筹考虑，优化设计，可避免各系统重复配置造成资源浪费，同时也方便建成后统一管理维护，提高维护效率。
　　To build a high starting point, the modernization of planning ＂digital campus＂. Campus light-current system should take the construction of ＂unified planning, leading, demand oriented, step-by-step implementation of＂ the construction of the ideas. First do overall consideration, optimization design, can avoid repeat each system configuration cause resource waste, but also convenient maintenance after the completion of unified management, improve the efficiency of maintenance.
　　（1）建立校园骨干光纤网络：为校园弱电系统如信息网络、视频监控、电话、广播、电视、一卡通等系统提供一条统一的高速光纤信息通道。并在校园骨干网建一套带宽万兆的骨干数据传输专网，为校园弱电系统（除数据网外）提供统一的传输通道。每个弱电系统主传输网都在传输专网上，系统之间通过VLAN 逻辑隔离。
　　(1) to establish the campus backbone fiber optic network: light-current system such as information network for college campus, video monitoring, telephone, radio, TV, cartoon and so on the system to provide a unified high-speed optical fiber channel of information. And in the campus backbone network to build a set of the backbone bandwidth Wan Zhao private network data transmission, weak current system for campus (except data network) to provide uniform transmission channel. Every weak current system main transmission on the transmission of private network, by VLAN logic isolation between systems.
　　（2）建立校园弱电综合管道系统，作为数字化校园各弱电系统的基础通道。弱电综合管道系统分为室内综合管道系统和室外综合管道系统。设计时必须考虑室内外管道系统的预留应满足建成后各个系统需要，并避免将来系统扩展时没有足够的预留管道，从而破坏整体建筑结构以及装修。
　　(2) to establish the campus weak current integrated pipeline system, as the basis of digital campus all elv system channel. Weak current integrated pipeline system is pided into indoor integrated pipeline system and outdoor pipeline system. Design of indoor and outdoor pipeline system must be considered when the reserved should meet the requirements of after the completion of each system, and to avoid future system
　　expansion when there is not enough reserved pipe, undermining the overall structure and decoration.
　　（3）视频监控、电话、广播等弱电采用先进的符合现代技术发展潮流的IP 网络架构，通过以太网线和光纤传输信息。数据网络点采用六类双绞线，语音等其他系统均采用超五类双绞线，一卡通系统可用双绞线的两芯。这样一来，方便多个统一采用先进的结构化布线系统布线。
　　(3) video monitor, telephone, radio, and other elv keeping pace with the development of modern technology with advanced IP network architecture, via Ethernet cable and optical fiber transmission of information. Data network point by six kind of twisted pair, speech, and other system adopt super five kind of twisted pair, one cartoon system available two core of twisted-pair cable. Thus, convenient more unified adopts advanced structured cabling system wiring.
　　结构化布线相比传统布线有如下优势。
　　Compared with the traditional structured cabling wiring has the following advantages.
　　（4）弱电系统中的不间断电源、服务器、存储等信息设备纳入统一规划：建立校园一套统一的不间断电源系统，为校园弱电系统统一供电；除信息网络以外的其他弱电系统的服务器、存储设备统一规划，校园建立统一的IP 存储网络，并配置在校园信息机房。在整个校园建成一个标准的数据中心，为校园所有弱电系统提供服务，用户只须在终端进行管理和维护。
　　(4) in the weak current system information such as uninterruptible power supply, server, storage device into the unified plan: to establish a unified campus uninterruptible power supply system, weak current system for campus unity power supply; Other elv systems other than the information network of servers, storage equipment and unified planning, the campus to establish a unified IP network storage, and configure information room on
　　campus. In a standard data center, the completion of the entire campus for all elv systems to provide services in schools, in terminal user only for management and maintenance. 3结论
　　3 conclusion
　　校园建设中，弱电系统很多，只有做到统一规划、统筹考虑，统一建设。才能建好一个先进又实用的智能化、数字化校园，为学校的教学、科研、办公等提供一个坚强的信息化平台。
　　There are many campus construction, the weak current system, is to do a unified planning, overall consideration, unified construction. To build an advanced and practical intelligence, digital campus, the school teaching, scientific research, office, etc. Provide a strong information platform.
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