- Industry: Telecommunications
- Number of terms: 29235
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In radar applications, synonym pulse repetition rate.
Industry:Telecommunications
In pulsed telephone signaling (dialing,) the ratio, expressed in percent, of (a) the open-circuit (break) time to (b) the sum of the open- and closed-circuit times of a single dial pulse cycle. Note: For example, at a pulse rate of 10 per second, the pulse period is 100 milliseconds. If, during each pulse period, the equipment generating the dial pulses (e.g., a telephone set) presents an open circuit (high impedance) for 48 milliseconds, and a closed circuit (low impedance) for 52 milliseconds, the percent break is = 0. 48, or 48%.
Industry:Telecommunications
In pulsed carrier transmission, a method of operation in which a fixed phase relationship of the carrier wave is maintained from one pulse to the next.
Industry:Telecommunications
In pulse-code modulation (PCM,) the level of a sinusoidal signal that has positive and negative peaks that coincide with the positive and negative virtual decision values of the encoder. Note: Load capacity is usually expressed in dBm0. Synonym overload point.
Industry:Telecommunications
In optical communication, a device that facilitates the splicing or breaking out of fiber optic cables. Note: The organizer provides means to separate and secure individual buffer tubes, fibers, and/or pigtails. It also provides means to secure mechanical splices or protective sleeves used in connection with fusion splices, and has means to contain the slack fiber that remains after the splicing process is completed.
Industry:Telecommunications
In pulse-code modulation (PCM,) the digital sum, i.e., the algebraic sum, of a set of signal elements. Note: The disparity will be zero and there will be no cumulative or drifting polarization if there are as many positive elements (those that represent 1) as there are negative elements (those that represent 0. )
Industry:Telecommunications
In public-key cryptography, two key encrypting keys used together to encrypt other keys.
Industry:Telecommunications
In public-key cryptography, of the transmission protocol, the characteristic that facilitates verification, by the recipient of a message, of all public keys used in the intermediate relay steps involved in the transmission of the message.
Industry:Telecommunications
In public-key cryptography, a public key and its corresponding private key. 2. Two key-encrypting keys that are used in concert to encrypt other keys.
Industry:Telecommunications
In public switched telephone networks, a single item or group of items at the customer side of the network interface for data transmission purposes, including all equipment that may affect the characteristics of the interface. 2. A data circuit-terminating equipment (DCE) supplied or approved by a common carrier that permits a DCE or data terminal equipment (DTE) to be attached to the common carrier network. Note: Data access arrangements are an integral part of all modems built for the public telephone network.
Industry:Telecommunications
