查询词典 communications network

In order to realize the compatible communications system between digital TETRA and analogy MPT1327. Communications protocol between digital radio and control center is defined. Emergency call software flow for TETRA and MPT module is designed, and also state information sending and receiving for TETRA and MPT module is designed in this communication system. By comparing several solutions, switch methods between analogy TETRA communications and digital TETRA communications are designed including manual-switch and soft-switch. In the article, coding module of receiving and sending equipments in TATT analogy TETRA communications is described, so that it can be compatible with NOKIA network equipments and it also can improve the availability rate of the trunk system. In order to realize the integration of digital TETRA communication and analogy MPT1327 communications, double- frequency antenna system is researched.

通过几种车载电台解决方案比较，设计了相应的模拟集群通信系统与数字集群通信系统的切换方法，其中包括人工切换和软切换，实现了模拟与数字集群兼容的一体化移动列车调度电台解决方案；为了实现数字集群通信系统与模拟集群通信系统以及NOKIA与TAIT模拟集群通信系统之间的相互兼容，设计了新的数字车载电台与控制中心之间的通信协议；系统设计了用于数字集群通信模块的紧急呼叫通讯流程，以及设计了用于模拟集群通信模块状态信息发送与接收流程，以满足列车无线调度的运营要求；论文还论述了对TAIT模拟集群收发设备编码模块的改造，使之能与NOKIA的集群设备相兼容，提高了集群设备的利用率，为在NOKIA模拟集群通讯模块停产后寻找了一种可替代的兼容解决方案；为了实现数字集群通信系统与模拟集群通信系统设备的综合，论文还探讨了本工作所需专用的双频段的天线系统。

Companies specializing in digital network monitoring, digital video and data communications product research and development and production, successful research and development Tigereye series, Cerberus series of MPEG-1, MPEG-4, H.264 network monitoring systems and digital audio and video acquisition card, SupeScan power, the environment and image monitoring system, JS series Guangduan Ji, data multiplexer, data-machine, E1/10Base-T/V3.5 converters, optical transceiver, communications transmission Access and interface protocol converter products.

公司专业从事数字网络监控、数字视频和通信数据产品的研发与生产，成功地研发Tigereye系列、Cerberus系列MPEG-1、MPEG-4，H.264数字网络监控系统及音视频采集卡，SupeScan动力、环境及图像监控系统，JS系列光端机、数据复用器、数据交叉机、E1/10Base-T/V3.5转换器、光纤收发器等，通信传输接入、接口协议转换器产品。

Companies keep up with the world's most advanced network communications technology, long-term commitment to the field of network communications value-added telecom business, as well as the country of approval or permit other businesses.

泽尔瑞公司紧跟世界先进的网络通信技术，长期致力于网络通讯领域的电信增值业务，以及国家批准或允许的其他业务。

Is a company engaged in data network communications equipment sales and technical services, specialized company, focusing on basic data, as well as its network of value-added network, network security, network performance optimization and other fields.

成都元素科技有限公司是一家从事数据网络通信设备销售和技术服务的专业化公司，重点关注基础数据网以及其网络增值、网络安全、网络性能优化等领域。

This text thinks the Network Communications right of information is different from the traditional spread right, its right property with compounding , integration, should regard Network Communications right of information as a whole to protect ; The legislative value orientation of the Network Communications right of information is to help the realization of the right benefit of the work, facilitate the development of network media and relevant industries, when technological measure and right limit the conflict, should pay attention to equilibrating each sides interests .

本文认为信息网络传播权不同于传统的传播类权利，其具有复合、集成的权利性质，应当将信息网络传播权作为一个整体加以保护；信息网络传播权的立法价值取向应是有利于著作权利益的实现，有助于网络媒介及相关产业的发展，当技术措施和权利限制冲突时，应注意平衡各方利益。

Our main products are: Digital Board with RF coaxial cables, digital bureaux symmetrical RF cables, high frequency coaxial cable, digital communications cable symmetrical, high-frequency digital transmission cables, security cables and industrial inspection, multi-structure control of an integrated multi-core cable , multimedia cables, cross-linked communications cables, control cables, shielded cables, electrical lines installed, UL electronic lines, plant rooms and so on with flame-retardant flexible cables, common backbone network cables, network cables ordinary slip, elevator cables, instrumentation cables, PTFE high temperature cables, ultra-five twisted-pair, program-controlled switchboard wiring cables, high frequency cables, low smoke zero halogen cables, various types of flame-retardant and fire-resistant cables, nylon jacket line, car line, data transmission cables, HFC access network using coaxial cable, 75 ohm foam Physics Series, CATV coaxial cable, 50 ohm series of RF coaxial cable, low loss 50 ohm series of physical foaming coaxial cable, control cable, rubber cable sets , electric welding cables, silicon rubber cables, marine cables, mining cables, PVC insulated wire and cable, computer cable, power cable, electrical wiring primer, rubber insulated wire, woven wire, high temperature wire, XLPE cables ship cables, high temperature cables, such as fire, at the same time to take a special type electric wire and cable products specifications to develop a business.

公司主要产品有：数字局用同轴射频电缆，数字局用对称射频电缆，高频同轴电缆，数字通信对称电缆、高频数字传输电缆、保安与工业检测电缆、多重结构多芯控制综合电缆、多媒体电缆，交联通信电缆，控制电缆，屏蔽电缆，电器安装线， UL电子线，机房等场合用阻燃软电缆，普通主干网络电缆，普通支路网络电缆，电梯电缆，仪器仪表电缆，聚四氟乙烯高温电缆，超五类双绞线，程控交换机配线电缆，高频电缆，低烟无卤电缆、各类阻燃和耐火电缆、尼龙护套线、汽车线、数据传输电缆，HFC接入网用同轴电缆、物理发泡75欧姆系列、CATV同轴电缆、50欧姆系列RF同轴电缆、低损耗物理发泡50欧姆系列同轴电缆，控制电缆、橡套电缆、电焊机电缆、硅橡胶电缆、船用电缆、矿用电缆、聚氯乙烯绝缘电线电缆、计算机电缆、电站用电缆、电机引接线、橡皮绝缘电线、编织电线、高温导线，交联聚乙烯电缆船用电缆、耐高温防火电缆等，同时承接特殊型号规格电线电缆产品的研制、开发等业务。

Letter Alvarion mainly engaged in microwave radio frequency wireless communications products and network optimization system covering the development, production, marketing and provision of appropriate services, mobile communications operator wireless network equipment supplier of professional services and systems integration Business.

奥维通信主要从事微波射频产品及无线通信网络优化覆盖系统的开发，生产，销售和提供适当的服务，移动通信运营商的无线网络，专业服务和系统集成商设备供应商。

The traditional fiber optic cable line maintenance management pattern breakdown search difficulty, the platoon bonds the time to be long, affects the communications network the normal work, the economic loss which creates because of the correspondence optical cable breakdown is huge every year.

传统的光缆线路维护管理模式的故障查找困难，排障时间长，影响通信网的正常工作，每年因通信光缆故障而造成的经济损失巨大。

In Wireless World magazine in 1945, he proposed using a set of satellites in geostationary orbit to form a global communications network.

在1945年的《无线电世界》杂志上，他提议将一系列卫星发射到地球同步轨道上，从而形成一个全球通讯网络。

The communications network equipment company also has products made by CMs in locals such as Rumania, the Czech Republic, Mexico and Brazil.

同时通讯网络设备公司也有部件制造地，如：罗马尼亚，捷克共和国，墨西哥和巴西。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷