Relay forms inter - family communication network with various access modules using RS 485 bus.

中继器通过RS485总线将各种终端接入模块组成家庭内部通信网.

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This paper describes Hunan district - country multimedia video conference system based on HFC.

主要介绍了基于宽带图象通信网的湖南省-地多媒体电视会议系统.

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This new global communication net breaks through all geopolitical barriers.

这种新的全球通信网突破了所有的地缘政治障碍.

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Public Land Mobile Network . Another name for a GSM phone network.

陆上公用移动通信网,gsm电话网络的别名.

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Solid insulated filled cables are designed for duct use local telephone network.

实心绝缘填充型电缆是为市内通信网而设计的市内通信电缆.

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Finally, it explains the development of WDM - based all optical network.

最后说明 波分 复用技术用于全光通信网.

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CDPD is a new kind of mobile wireless data communication technology.

蜂窝数字分组数据通信网(CDPD)是新一代移动无线数据通信技术.

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A hybrid communication network model was researched.

研究了混合通信网模型.

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The telecommunications network has undergone a qualitative change in terms of capacity, technology and service.

通信网的规模容量 、 技术层次、服务水平都发生了质的飞跃.

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Signalling System is one of the important and indispensable technologies in modern communication networks.

在现代通信网中,信令系统是必不可缺的的关键技术之一.

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And a method to calculate the terminal - pair reliability in mesh networks is brought forward.

通过改变网络模型的表示方式,提出了一种考虑节点失效的通信网终端对可靠性改进算法.

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This paper discusses the performance of field data communication network in the circumstance of finite user.

研究了在有限的数据用户的情况下,地域通信网的性能.

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Automatic repeat request ( ARQ ) schemes have been widely applied to many digital communication systems, especially, computer communication networks.

自动请求重传 ( ARQ ) 方法已经在许多数字通信系统特别是通信网中获得了广泛的应用.

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Thus evaluating its transmission performance is very significant in the maintenance of the network.

对其传输性能的检测在通信网维护工作中有着非常重要的意义.

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Introduces the current construction situation of land - based search rescue facilities, and then , makes out some suggestions.

介绍了中国海事搜救通信网的建设情况, 并对如何完善我国的搜救通信网提出了自己的建议.

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