- two-tone keying
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двухтональная манипуляция
Англо-русский словарь технических терминов. 2005.
two-tone keying
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Two-way radio — receiver which only receives content. Two way radios are available in mobile, stationary base and hand held portable configurations. Hand held radios are often called walkie talkies or handie talkies. A push to talk or Press To Transmit button is … Wikipedia
Frequency-shift keying — Passband modulation v · d · e Analog modulation AM · … Wikipedia
Multiple frequency-shift keying — Passband modulation v · d · e Analog modulation AM · … Wikipedia
Selective calling — SECAL redirects here. For the French wine grape also known as Secal, see Jurançon (grape). In a conventional, analog two way radio system, a standard radio has noise squelch or carrier squelch which allows a radio to receive all transmissions.… … Wikipedia
Modulation — For musical change of key, see Modulation (music). For other uses, see Modulation (disambiguation). Passband modulation v · d · e … Wikipedia
Olivia MFSK — Spectrogram (waterfall display) of an Olivia 16/500 signal centered on 7073.25KHz Olivia MFSK is an amateur radioteletype protocol designed to work in difficult (low signal to noise ratio plus multipath propagation) conditions on shortwave bands … Wikipedia
Chroma key — For the progressive rock band, see Chroma Key. For musical tonality depending on key, see Key coloration. Bluescreen and Green screen redirect here. For other uses, see Blue screen and Green screen (disambiguation), respectively. Today s… … Wikipedia
Symbol rate — In digital communications, symbol rate (also known as baud or modulation rate) is the number of symbol changes (waveform changes or signalling events) made to the transmission medium per second using a digitally modulated signal or a line code.… … Wikipedia
Morse code — Chart of the Morse code letters and numerals Morse code is a method of transmitting textual information as a series of on off tones, lights, or clicks that can … Wikipedia
Telecommunication — A parabolic satellite communication antenna at the biggest facility for satellite communication in Raisting, Bavaria, Germany … Wikipedia
Modem — For other uses, see Modem (disambiguation). A modem (modulator demodulator) is a device that modulates an analog carrier signal to encode digital information, and also demodulates such a carrier signal to decode the transmitted information. The… … Wikipedia
