Frequency shift - определение. Что такое Frequency shift
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Что (кто) такое Frequency shift - определение

WIKIMEDIA DISAMBIGUATION PAGE
Frequency shift (disambiguation); Frequency shifts

Multiple frequency-shift keying         
MFSK; Multi-frequency shift keying; Mfsk16; MFSK8; MFSK16; Mfsk4; Mfsk32; Mfsk64
Multiple frequency-shift keying (MFSK) is a variation of frequency-shift keying (FSK) that uses more than two frequencies. MFSK is a form of M-ary orthogonal modulation, where each symbol consists of one element from an alphabet of orthogonal waveforms.
Frequency Shift Keying         
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MODULATION SCHEME FOR TRANSMISSIONS
Frequency shift keying; AFSK; Audio frequency-shift keying; Mark frequency; Mark tone; Space tone; Space frequency; Frequency Shift Keying; Audio frequency shift keying; Gaussian frequency-shift keying; Audio fsk; FSK standards for use in Caller ID and remote metering; Fsk standards for use in caller id and remote metering; GFSK; BFSK; GFSK modulation
<communications> (FSK) The use of frequency modulation to transmit digital data, i.e. two different carrier frequencies are used to represent zero and one. FSK was originally used to transmit teleprinter messages by radio (RTTY) but can be used for most other types of radio and land-line digital telegraphy. More than two frequencies can be used to increase transmission rates. (1997-07-14)
Frequency-shift keying         
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MODULATION SCHEME FOR TRANSMISSIONS
Frequency shift keying; AFSK; Audio frequency-shift keying; Mark frequency; Mark tone; Space tone; Space frequency; Frequency Shift Keying; Audio frequency shift keying; Gaussian frequency-shift keying; Audio fsk; FSK standards for use in Caller ID and remote metering; Fsk standards for use in caller id and remote metering; GFSK; BFSK; GFSK modulation
Frequency-shift keying (FSK) is a frequency modulation scheme in which digital information is transmitted through discrete frequency changes of a carrier signal., p 509 The technology is used for communication systems such as telemetry, weather balloon radiosondes, caller ID, garage door openers, and low frequency radio transmission in the VLF and ELF bands.

Википедия

Frequency shift

In the physical sciences and in telecommunication, the term frequency shift may refer to:

  • Any change in frequency
  • A Doppler shift
  • In facsimile, a frequency modulation system where one frequency represents picture black and another frequency represents picture white
  • Spectrum shifting in signal processing, see Discrete Fourier transform#Shift theorem