标签:电信日 相关文章
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
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
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
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
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
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
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
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
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.
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
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
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
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
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
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/
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
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
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
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