
[通信] 远程通信系统
Telecommunication system exchanges, network equipment, Software for application packages.
电信系统交换设备,网络设备,应用软件。
Telecommunication system, transmitter, protecting transmission error method.
通信系统,发射机,保护传输差错的方法。
Supply of Control and Protection panels, 24KV cubicles, computerize system, Telecommunication system, SCADA equipment and installation services.
控制和保护仪表板,24KV配电柜, 计算机系统,远距离通信系统,数据采集与监控系统设备和安装服务。
Telecommunication system is a typical discrete event dynamic system (DEDS).
通信网络是—个典型的离散事件系统。
Electronics is the basis of all telecommunication system.
电子学是电信系统的基础。
In all of these technologies, MIMO wireless telecommunication system base on multi-antenna has the endless potential, become the certain approach to utilize space resources adequately.
众多新技术中,基于多天线的多输入多输出(MIMO)无线通信系统已显示出无尽的潜力,成为充分利用空间资源的必然途径。
Finds a new method of channel multiplexing, which is named as prime-number division multiple, and uses its principles on telecommunication system.
提出一种新的信道复用技术——素数复用技术,并建立了以素数复用原理为基础的通信系统。
This paper analyses the characteristics of telecommunication in the new century, and puts forward the prospects of Jiangsu power telecommunication system.
简要分析了新世纪电信发展的特点,对此形势下江苏电力通信的发展提出了相关设想。
The thesis introduces a multimedia telecommunication system based on ISDN.
介绍了一种基于ISDN的多媒体通信系统。
Firstly, this pager states several essential concepts about telecommunication earthing, and gives representative applications of working earthing and protection earthing in telecommunication system.
首先阐述了与通信接地有关的一些基本概念,并结合实际给出了工作接地与保护接地在通信系统中的典型应用。
Method in wireless telecommunication system; system, transmitter and receiver.
无线通信系统中的方法;系统,发射器和接收器。
With the telecommunication system reform development and our entrance of WTO, the competition of mobile telecommunication operation is becoming fiercer.
随着电信体制改革的深化,WTO的加入,我国移动通信运营业的竞争也日趋激烈。
Having described the using of OTDM technology on point to point telecommunication system and network system, suggest that the combination of OTDM and WDM is trend of future network.
本文论述了OT-DM的主要技术及其应用前景,通过对OTDM技术在点对点通信系统和网络系统中的应用介绍,提出了OTDM和WDM的结合是将来网络发展的方向。
They're widely used in UPS systems, electronic instruments, emergency lighting, fire alarm and security, electromotive tools and toys, telecommunication system, etc.
广泛应用于UPS电源、电子仪器、应用照明系统、安全报警系统、电动工具及玩具、电会传系统、通讯设备领域。
CDMA has been widely used in wireless telecommunication system.
扩频通信在无线通信中得以广泛应用。
Availability requirement for UPS in accordance with YD/T1051 is described briefly, types of redundant UPS which is applicable to telecommunication system are presented.
简述通信行业标准《通信局(站)电源系统总技术要求》(YD/T1051)对UPS可用度的要求,介绍适用于电信系统的高可用度冗余UPS。
Based on the accurate calculating result on digital computer, cost of protecting interference from electrified railway in telecommunication system will be greatly reduced.
由于数字计算机计算结果精确,可大量减少通信系统防御电铁干扰的费用。
Mobile telecommunication system, mobile terminal, its transmission diversity application system.
移动通信系统,移动终端,及其使用的发射分集应用系统。
Telecommunication system is major part of a gas pipeline project and is the key facility for pipeline safety, reliability, economy as well as optimal operation.
输气管道通信是输气管道工程的重要组成部分,是输气管道安全、可靠、经济、优化运行的关键。
Monte Carlo simulations in a CDMA mobile telecommunication system verified its effectiveness in improving system performance.
蒙特卡洛仿真实验表明,该方法可以显著改善码分多址移动通信系统的性能。
Radio transmission is an indispensable means for any radio telecommunication system.
中文摘要电波传输是任何无线电通信系统都离不开的手段。
The Self-Provided External Telecommunication System (SPETS) licence is issued to a company or an organisation for the establishment of its own external circuits for internal communications.
当局向一些公司或机构发出自设对外电讯系统牌照,以便它们自设对外线路作内部通讯之用。
The communication resource management system is important to improve the self manage capability and the competition of power telecommunication system.
文章简要介绍了电力通信网资源管理系统的实现和应用。
Universal Mobile Telecommunication System (UMTS) is one of a third-generation cellular network that enables high-speed wireless Internet access.
UMTS 作为第三代移动通信的标准之一,支持无线因特网的高速接入。
电信系统(Telecommunication System)指通过有线、无线或其他电磁手段实现远距离信息传输的综合性技术体系。其核心功能是将信息(如语音、数据、图像)从发送端高效、准确地传递至接收端,涉及信号处理、编码调制、传输介质和网络协议等关键技术。
电信系统由三大基本模块构成:
现代电信系统依赖数字信号处理(DSP)和分组交换技术,采用国际电信联盟(ITU)制定的标准(如5G NR规范)确保全球兼容性。例如,蜂窝网络通过基站和核心网实现移动通信,光纤通信则基于全内反射原理传输光脉冲。
"Telecommunication system"(电信系统)指通过电子设备和技术实现远距离信息传输的完整技术体系。其核心功能是将信息(如语音、数据、图像等)从发送端传递到接收端,包含以下关键组成部分:
终端设备
包括手机、计算机、传感器等发送或接收信息的设备,负责将原始信息转换为电信号或光信号(如麦克风将声音转为电信号)。
传输介质
交换与路由设备
如基站、路由器、交换机,负责在复杂网络中建立连接路径,确保信号准确传输至目标终端。
协议与标准
包括TCP/IP(互联网基础协议)、4G/5G通信标准等,规范数据打包、传输和解析的规则。
典型应用场景
现代电信系统已从早期模拟信号(如电报)发展为数字信号传输,通过复用技术(如频分复用FDM、时分复用TDM)提升信道利用率。其数学基础可涉及香农公式:
$$
C = B log_2(1 + frac{S}{N})
$$
其中$C$为信道容量,$B$为带宽,$S/N$为信噪比。该公式揭示了带宽和信号质量对传输速率的决定性作用。
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