Frequency-shift keying (FSK) is a frequency modulation scheme in which digital information is encoded on a carrier signal by periodically shifting the...

In digital modulation, minimum-shift keying (MSK) is a type of continuous-phase frequency-shift keying that was developed in the late 1950s by Collins...

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...

Continuous-phase frequency-shift keying (CPFSK) is a commonly used variation of frequency-shift keying (FSK), which is itself a special case of analog frequency modulation...

based on keying: PSK (phase-shift keying): a finite number of phases are used. FSK (frequency-shift keying): a finite number of frequencies are used....

Phase-shift keying (PSK) is a digital modulation process which conveys data by changing (modulating) the phase of a constant frequency carrier wave. The...

frequency modulation known as frequency-shift keying (FSK), in which the instantaneous frequency of the carrier is shifted among a set of frequencies...

On–off keying (OOK) denotes the simplest form of amplitude-shift keying (ASK) modulation that represents digital data as the presence or absence of a carrier...

CW is now only used in small hand-keyed transmitters, and for testing large transmitters. Frequency-shift keying (FSK) FSK is the second oldest and second...

electricity meters, water meters and SCADA. It is also known as spread frequency-shift keying (S-FSK) and was formerly known as IEC 1334 before IEC's most recent...

Amplitude-shift keying (ASK) is a form of amplitude modulation that represents digital data as variations in the amplitude of a carrier wave. In an ASK...

sent using a Manchester code. Frequency-shift keying by switching between a 423.75 kHz sub carrier (operating frequency divided by 32) and a 484.25 kHz...

but its phase varies. This can also be extended to frequency modulation (FM) and frequency-shift keying (FSK), for these can be regarded as a special case...

pulse-amplitude modulation (PAM), zero phase shift in phase-shift keying (PSK), or mid-frequency in frequency-shift keying (FSK). That "zero" condition is typically...

follows: Frequency-shift keying (FSK) Phase-shift keying (PSK) Frequency-hopping spread spectrum (FHSS) Direct-sequence spread spectrum (DSSS) Frequency and...

one set of frequencies to the other may be a continuous or a discontinuous change in the frequency or phase. Frequency-shift keying Frequency modulation...

PSK63 63-baud quadrature phase shift keying: QPSK63 Frequency Shift Keying: Radioteletype (RTTY) Frequency-shift keying Spread spectrum, which may be analog...

facsimile receiver, a device that changes the signal modulation from frequency-shift keying (FSK) to amplitude modulation (AM). 2. In a facsimile transmitter...

for initiating data communications, with ARQ 8FSK frequency-shift keying and PSK phase-shift keying signals. "HFLINK". Retrieved 21 Sep 2010. v t e v...

box is a piece of hardware or software that generates caller ID frequency-shift keying (FSK) signals to spoof caller ID information on the target's caller...

FT8 (short for Franke-Taylor design, 8-FSK modulation) is a frequency shift keying digital mode of radio communication used by amateur radio operators...

traditional frequency-shift keying, the information is transmitted by patterns of polarity-reversals (sometimes called 180-degree phase shifts). PSK31 was...

function that is performed in the United States by Bell 202 modulated frequency-shift keying (FSK) signaling. DTMF was originally decoded by tuned filter banks...

vocalize numbers, although digital modes such as phase-shift keying and frequency-shift keying, as well as Morse code transmissions, are not uncommon...

keying techniques exist, including phase-shift keying, frequency-shift keying, and amplitude-shift keying. Bluetooth, for example, uses phase-shift keying...

keying, rather than modulation. Thus, telecommunications modems use frequency-shift keying (FSK), phase-shift keying (PSK), or amplitude-phase keying...

uplink audio frequency-shift keying to provide a datarate of 1,200 bits per second. The 145.947 MHz downlink, which uses binary phase-shift keying, also provides...

receiving accurate data had not. This is demonstrated in an article on Frequency Shift Keying published by Wireless World. In 1953 RH Barker published a paper...

Possible techniques are Amplitude Switch Keying (ASK), Phase Switch Keying (PSK) and Frequency Switch Keying (FSK). Out of these three, FSK is capable...

the other High Frequency (HF) amateur radio bands was initially accomplished using make and break keying since frequency shift keying (FSK) was not yet...