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1 colour
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2 continuous
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3 delayed
См. также в других словарях:
Automatic link establishment — Automatic Link Establishment, commonly known as ALE, is the worldwide de facto standard for digitally initiating and sustaining HF (High Frequency) radio communications.cite web|title=Frequency Agile Systems in the MF/HF Bands |author=Telecom… … Wikipedia
Signal passed at danger — (SPAD), in railway terminology, describes an event where a train has run beyond its allocated signal block without authority, as indicated by a lineside signal showing danger (typically a red light). It is a term primarily used within the British … Wikipedia
Automatic gain control — (AGC) is an adaptive system found in many electronic devices. The average output signal level is fed back to adjust the gain to an appropriate level for a range of input signal levels. For example, without AGC the sound emitted from an AM radio… … Wikipedia
Automatic Equipment Identification — (AEI) is an electronic recognition system in use with the North American railroad industry. Consisting of passive tags mounted on each side of rolling stock, as well as active trackside readers, AEI utilizes RF technology to identify railroad… … Wikipedia
Automatic Train Protection — (ATP) in Great Britain refers to either of two implementations of a train protection system installed in some trains in order to help prevent collisions through a driver s failure to observe a signal or speed restriction. Note that ATP can also… … Wikipedia
Automatic Packet Reporting System — (APRS) is an amateur radio based system for real time tactical digital communications of information of immediate value in the local area. In addition, all such data is ingested into the APRS Internet system (APRS IS) and distributed globally for … Wikipedia
Signal integrity — or SI is a measure of the quality of an electrical signal. In digital electronics, a stream of binary values is represented by a voltage (or current) waveform. Over short distances and at low bit rates, a simple conductor can transmit this with… … Wikipedia
Automatic Test Equipment — (ATE) ist ein allgemeiner Begriff für messtechnische Apparaturen, die von der Chip und Elektronik Industrie während der Produktion zum testen benutzt werden. Integrierter Schaltkreise im Wafertest oder Chip und Modul Test; analoger Bauteile im… … Deutsch Wikipedia
Automatic vehicle location — Automatic vehicle locating or AVL is a concept for determining the geographic location of a vehicle and transmitting this information to a point from where it was requested. Telelocating using location based services is a common term in the… … Wikipedia
Automatic double tracking — (ADT) was an electronic system designed to augment the sound of voices and instruments during the recording process. It used linked tape recorders to create an instant and simultaneous duplication of sound which could then be captured on… … Wikipedia
Automatic frequency control — (AFC) is a method (or device) to automatically maintain a tuning of electromagnetic radiation (radio or microwave) signal to desired frequency. Assuming that a receiver is nearly tuned to the desired frequency, a circuit in the receiver develops… … Wikipedia