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无缝数字大屏幕显示系统可行性研究报告.doc

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无缝数字大屏幕显示系统可行性研究报告.doc

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无缝数字大屏幕显示系统可行性研究报告.doc

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文档介绍:无线局域网(WLAN)设计与实施
摘要
在这个“网络就是计算机”的时代,伴随着有线网络的广泛应用,以快捷高效,组网灵活为优势的无线网络技术也在飞速发展。无线局域网是计算机网络与无线通信技术相结合的产物。从专业角度讲,无线局域网利用了无线多址信道的一种有效方法来支持计算机之间的通信,并为通信的移动化、个性化和多媒体应用提供了可能。通俗地说,无线局域网(Wireless local-work,WLAN)就是在不采用传统缆线的同时,提供以太网或者令牌网络的功能。 通常计算机组网的传输媒介主要依赖铜缆或光缆,构成有线局域网。但线路容易损坏;网中的各节点不可移动。特别是当要把相离较远的节点连接起来时,敷设专用通信线路的布线施工难度大、费用高、耗时长,对正在迅速扩大的联网需求形成了严重的瓶颈阻塞。无线局域网就是解决有线网络以上问题而出现的。 
无线网络以其“无所不在”的魅力正成为人们追逐的焦点。无论是网络升级还是重新组网,人们总希望自己的网络能够摆脱线缆的束缚,走进自由的天地。但与有线产品相比,无线产品还是新事物。那么如何组建WLAN网络呢?本文主要从WLAN设计与实施着手,讨论了WLAN技术,WLAN 产品,具体的WLAN工程以及WLAN的安全问题。
关键词 WLAN,,微波,WLAN工程, WLAN安全
ABSTRACT
Age in this “work is puter ”,with the wide uses of the appliance of the work ,the wok technique with fast efficiently, vivid for the is also developed a lot .the wireless local- is the resultants that bine together with work and wireless corresponds by letter technique .speak from the professional angle ,the wireless local- makes use of the wireless to have another address letter pass on growing the valid device to favor munication puter ,and turn for the movement of munication ,characteristic and the use of multimedia to tender the possibility .say popularly ,the wireless local- is at the time of not adopting the traditional cable, apply the or the function of the ream work .usually the transmission medium uting depend on the cable or fiber cables to constitute the wired local- .But the work are limited by the project in some occasions. Easy damage of wiring, node in work can not move. The wireless local- is appeared to resolve the above problem of .
The work is ing the people‘s focal point with its “omnipresent” power. Not any work to update, but also the afresh, people always hope that work can get away form the bind of the cable, and walking into the free world. pared with the wired product, the wireless product is still a new one. So, how to set up the work? This article mainly set about the designs and carries out the WLAN, talking about the WLAN technique, WLAN product, WLAN