Codec Codec is a contraction of coder and decoder; a device that encodes analog signals into digital signals, for transmission through a network in digital format, and decodes received digital signals

发表于:2019-01-03 / 阅读(79) / 评论(0) 分类 电信英语

Delay - This is the wait time between to specific events, and regarding satellite communications, it is the time it takes for a signal to go from the transmission station up to orbit and through the s

发表于:2019-01-03 / 阅读(80) / 评论(0) 分类 电信英语

PPSN public packet switched network Premises Distribution System (PDS) PDS is the transmission network inside a building or among a group of buildings, for example an office park or a campus. PDS is u

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

发表于:2019-01-03 / 阅读(63) / 评论(0) 分类 电信英语

SAFENET survivable adaptable fiber-optic embedded network Satellite Communications Satellite communications entails microwave radio, line-of-sight propagation from a transmitting earth terminal (i.e.,

发表于:2019-01-03 / 阅读(60) / 评论(0) 分类 电信英语

Simple Network Management Protocol (SNMP) SNMP is the application protocol offering network management service in the Internet suite of protocols. A structure for formatting messages and transmitting

发表于:2019-01-03 / 阅读(103) / 评论(0) 分类 电信英语

SSN switched service network SS signaling system Station Equipment Station equipment is a component of telecommunications systems such as a telephone or data terminal, generally located on the user's

发表于:2019-01-03 / 阅读(79) / 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

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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(58) / 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(73) / 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(83) / 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(143) / 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

电子邮件常看起来没有打印出来的商务信那样正式,在商场上你可决不能让你的语言显得很不正式。电子邮件可能更快捷更有效,但是你的客户和生意伙伴可不会轻易允许随随便便的通讯联系

发表于:2019-01-07 / 阅读(48) / 评论(0) 分类 英语作文

Basketball 篮球 Do you like basketball? 你喜欢篮球吗? Basketball is a very popular sport. 篮球是一项广受欢迎的体育运动。 A basketball game needs two teams. 篮球比赛需要两队。 Each team has 5 players. 每队有五名球

发表于:2019-01-10 / 阅读(60) / 评论(0) 分类 与美国小学生一起学英文第9册

Larry到李华住的地方,去看她新领养的猫咪小雪球。今天李华会学到两个常用语:mental和pro. LL: Snowball is adorable! She's so little and fluffy! LH: 就是啊,我的猫咪

发表于:2019-01-11 / 阅读(111) / 评论(0) 分类 美国之音《流行美语》