PRI Primary Rate Interface 原速率接口 PSTN public switched telephone network 公众交换电话网 PTT Postal, Telegraph and Telephone 邮政,电报和电话 QOS quality of service 服务质量

发表于:2018-12-08 / 阅读(55) / 评论(0) 分类 电信英语

DAMA - Stands for Demand-Assigned Multiple Access. This is a way to instantaneously assign telephony channels in a transponder according to the immediate traffic demands. Dash - This is the the charac

发表于:2019-01-03 / 阅读(88) / 评论(0) 分类 电信英语

Transmission Facilities Transmission facilities provide the communication paths that carry user and network control information between nodes in a network. In general, transmission facilities consist

发表于:2019-01-03 / 阅读(75) / 评论(0) 分类 电信英语

128-bit Encryption - The latest Internet security standard for e-commerce and financial transactions, 128-bit encryption scrambles any data you send to a secure Web site (like TDS ePay) so that no one

发表于:2019-01-03 / 阅读(61) / 评论(0) 分类 电信英语

Half Duplex Half duplex is a transmission path capable of transmitting signals in both directions, but only in one direction at a time. HDLC high-level data link control Header The header is control i

发表于:2019-01-03 / 阅读(144) / 评论(0) 分类 电信英语

International Organization for Standardization (ISO) ISO is a worldwide federation of national standards bodies (ISO National Bodies). The work of preparing international standards is normally carried

发表于:2019-01-03 / 阅读(73) / 评论(0) 分类 电信英语

Loop Length Typically, loop length is a complete electrical circuit; the pair of wires that winds its way from the central office to the telephone set or system at the customer's premises. Loop Signal

发表于:2019-01-03 / 阅读(59) / 评论(0) 分类 电信英语

Frame In time division multiplexing systems, Frame is a sequence of time slots each containing a sample from one of the channels carried by the system. The frame is repeated at regular intervals, (nor

发表于:2019-01-03 / 阅读(74) / 评论(0) 分类 电信英语

Email - This is electronic-mail, that is text messages that are sent over the internet. Emoticons - This is a contraction meaning emotional icon that is made with common characters, such as :-) being

发表于:2019-01-03 / 阅读(84) / 评论(0) 分类 电信英语

Earth Station - The term used to describe the combination of antenna, low-noise amplifier (LNA), down-converter, and receiver electronics that are used to receive a signal transmitted by a satellite.

发表于:2019-01-03 / 阅读(78) / 评论(0) 分类 电信英语

D type Channel Bank A D type channel bank is channel termination equipment used for combining (multiplexing) individual analog channel signals on a time division basis. D type channel banks provide in

发表于:2019-01-03 / 阅读(144) / 评论(0) 分类 电信英语

Analog - Transmitting information that is characterized by continuously variable quantities (such as with AM or FM). This is different from digital transmission, which is characterized by discrete bit

发表于:2019-01-03 / 阅读(118) / 评论(0) 分类 电信英语

CLI Calling Line Identification 主叫线路识别 CLIP Calling Line Identification Presentation 主叫线路识别显示 CLIR Calling Line Identification Restriction 主叫线路识别限制 CLNS Con

发表于:2019-01-03 / 阅读(66) / 评论(0) 分类 电信英语

DCC Data Country Code 数据国家号码(3位) DCC Digital Cross Connect 数字交叉连接 DCCE Digital Cell Center Exchange 数字小区中心交换机 DCCH Dedicated Control CHannel 专用控制信道

发表于:2019-01-03 / 阅读(87) / 评论(0) 分类 电信英语

DHCP Dynamic Host Configuration Protocol 动态主机配置协议 DHCS Database Host and Control System 数据库主机与控制系统 DHN Digital Home Network 数字家庭网 DHTML Dynamic HyperText

发表于:2019-01-03 / 阅读(78) / 评论(0) 分类 电信英语

DOD Direct Outward Dialing 直拨外线 DOS Disk 0perating System 磁盘操作系统 DOV Data Over Voice 话上数据 DP Data Processing 数据处理 DP Detection Point 检测点,探测点 DP Dial/

发表于:2019-01-03 / 阅读(105) / 评论(0) 分类 电信英语

DRAM Dynamic Random Access Memory 动态随机存取存储器 DRAW Direct Read After Write 写后直接读出 DRDW Direct Read During Write 写时直接读出 DRMA Digital Radio Multiple Access 数字无

发表于:2019-01-03 / 阅读(67) / 评论(0) 分类 电信英语

CPE Customer Premises Equipment 用户前端设备 CPFSK Continuous Phase Frequency Shift Keying 连续相位频移键控 CPM Central Process Module 中央处理模块 CPP Calling Party Pays 主叫方付

发表于:2019-01-03 / 阅读(65) / 评论(0) 分类 电信英语

中文 英文 缩写 镀铬 chromium electroplating 镀金 gild electroplating 镀镍 nickel electroplating 镀铜 copper electroplating 镀锡 tin electroplating 镀锌 zinc electroplating 镀锌层

发表于:2019-01-03 / 阅读(85) / 评论(0) 分类 电信英语

APCM Adaptive Pulse Code Modulation 自适应脉码调制 APCM是在PCM基础上,采用量化自适应,使均方量化误差最小的一种调制方法。 APD Avalanche Photo Diode 雪崩光电二极

发表于:2019-01-03 / 阅读(82) / 评论(0) 分类 电信英语