pulse-code telegraphy

  • 1Pulse-code modulation — PCM redirects here. For other uses, see PCM (disambiguation). Pulse code modulation (PCM) is a method used to digitally represent sampled analog signals. It is the standard form for digital audio in computers and various Blu ray, Compact Disc and …

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  • 2Telegraphy — (from the Greek words (τηλε) = far and (γραφειν) = write) is the long distance transmission of written messages without physical transport of letters. Radiotelegraphy or wireless telegraphy transmits messages using radio. Telegraphy includes… …

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  • 3Pulse dialing — Middle 20th century rotary dial telephone Pulse dialing, dial pulse, or loop disconnect dialing, also called rotary or decadic dialling in the United Kingdom (because up to 10 pulses are sent), is pulsing in which a direct current pulse train is… …

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  • 4ГОСТ 22515-77: Связь телеграфная. Термины и определения — Терминология ГОСТ 22515 77: Связь телеграфная. Термины и определения оригинал документа: 4. Абонентский комплект Устройство, предназначенное для сопряжения коммутационного оборудования с каналом связи, соединяющим оконечную установку с… …

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  • 5Кодо-импульсное телеграфирование — 23. Кодо импульсное телеграфирование Pulse code telegraphy Способ передачи телеграфных сигналов, при котором по каналу связи передаются кодовые комбинации m го кода, описывающие фиксируемое значение параметра передаваемого сигнала Источник: ГОСТ… …

    Словарь-справочник терминов нормативно-технической документации

  • 6Modulation — For musical change of key, see Modulation (music). For other uses, see Modulation (disambiguation). Passband modulation v · d · e …

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  • 7Digital signal — Main article: Signal (electronics) A digital signal is a physical signal that is a representation of a sequence of discrete values (a quantified discrete time signal), for example of an arbitrary bit stream, or of a digitized (sampled and analog… …

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  • 8Timeline of radio — The timeline of radio lists within the history of radio, the technology and events that produced instruments that use radio waves and activities that people undertook. Later, the history is dominated by programming and contents, which is closer… …

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  • 9List of electronics topics — Alphabetization has been neglected in some parts of this article (the b section in particular). You can help by editing it. This is a list of communications, computers, electronic circuits, fiberoptics, microelectronics, medical electronics,… …

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  • 10Railway signalling — Not to be confused with Railway signal. A gantry of British semaphore signals seen from the cab of a steam locomotive Railway signalling is a system used to control railway traffic safely, essentially to prevent trains from colliding. Being… …

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