Frequency-shift keying (FSK) is a frequency modulation scheme in which digital information is encoded on a carrier signal by periodically shifting the...
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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...
17 KB (2,090 words) - 06:43, 16 January 2025
Phase-shift keying (PSK) is a digital modulation process which conveys data by changing (modulating) the phase of a constant frequency carrier wave. The...
42 KB (6,226 words) - 13:36, 27 January 2025
Olivia MFSK is an amateur radioteletype protocol, using multiple frequency-shift keying (MFSK) and designed to work in difficult (low signal-to-noise...
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and pulse-position modulation (FPPM and PPM) Multiple frequency-shift keying (MFSK) Orthogonal frequency-division multiplexing (OFDM) Continuous Phase...
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Signal modulation (redirect from Shift keying)
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....
24 KB (3,051 words) - 14:49, 25 March 2025
PSK63 63-baud quadrature phase shift keying: QPSK63 Frequency-shift keying: Radioteletype (RTTY) Frequency-shift keying Spread spectrum, which may be analog...
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Coquelet can mean: Coquelet, a type of multiple frequency-shift keying signal Coquelet, another name for a poussin (chicken) This disambiguation page...
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champagne A form of data transmission by shortwave radio using multiple frequency-shift keying Piccolo protein (presynaptic cytomatrix protein), PCLO A medium-sized...
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WSJT (amateur radio software) (category CS1 maint: multiple names: authors list)
especially optimized for the 6-meter band. The mode also employs multiple frequency-shift keying, but at 44 tones. One of the tones is a synchronization tone...
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Visible light communication (redirect from Colour shift keying)
Possible techniques are Amplitude Switch Keying (ASK), Phase Switch Keying (PSK) and Frequency Switch Keying (FSK). Out of these three, FSK is capable...
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the large path loss and Doppler shift caused by satellite motion. CDMA is often used with binary phase-shift keying (BPSK) in its simplest form, but...
36 KB (4,745 words) - 21:23, 29 December 2024
Discrete multi-tone modulation modes such as Multi Tone 63 (MT63) Multiple frequency-shift keying (MFSK) modes: JS8Call Olivia MFSK WSJT software modes: FSK441...
71 KB (7,454 words) - 17:11, 9 May 2025
PSK31 (redirect from Phase Shift Keying, 31 Baud)
traditional frequency-shift keying, the information is transmitted by patterns of polarity-reversals (sometimes called 180-degree phase shifts). PSK31 was...
15 KB (1,921 words) - 06:54, 27 January 2025
transmitter DCF77 using a pseudo-random phase-shift keying of the carrier (PDF). 2nd European Frequency and Time Forum. Neuchâtel. pp. 351–364. Retrieved...
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Very minimum shift keying, or VMSK, modulation, is one of several ultra-narrow-band modulation (UNBM) methods indeterminately claimed to send high-speed...
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modulation scheme (such as quadrature amplitude modulation or phase-shift keying) at a low symbol rate. This maintains total data rates similar to conventional...
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Automatic link establishment (category CS1 maint: multiple names: authors list)
transceivers. The modulation method is 8ary Frequency Shift Keying or 8FSK, also sometimes called Multi Frequency Shift Keying MFSK, with eight orthogonal tones...
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Caesar cipher (redirect from Shift cipher)
a Caesar cipher, also known as Caesar's cipher, the shift cipher, Caesar's code, or Caesar shift, is one of the simplest and most widely known encryption...
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ISO/IEC 15693 (category Articles with multiple maintenance issues)
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...
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Keyboard layout (redirect from Key-meaning association)
and comma symbols share a key, requiring the shift key to be held to produce a comma, despite the high relative frequency of comma in the language. There...
146 KB (16,551 words) - 06:49, 9 May 2025
DTMF signaling (redirect from Dual tone multi-frequency)
function that is performed in the United States by Bell 202 modulated frequency-shift keying (FSK) signaling. DTMF was originally decoded by tuned electrical...
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Frequency-shift keying (FSK) telegraphy, such as RTTY. F1C High frequency Radiofax F2D Data transmission by frequency modulation of a radio frequency...
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MIMO (redirect from Multiple-input multiple-output)
aggressive frequency reuse in the early 1990s. Space-division multiple access (SDMA) uses directional or smart antennas to communicate on the same frequency with...
48 KB (6,057 words) - 09:54, 3 November 2024
Non-return-to-zero (category CS1 maint: multiple names: authors list)
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...
13 KB (1,567 words) - 09:42, 29 March 2025
channel using Frequency-division multiplexing/Frequency Modulation (FDM/FM), Differential Phase Shift Keying (DPSK), Multiple frequency-shift keying (MFSK),...
18 KB (1,423 words) - 08:47, 4 January 2024
varying inputs using terms such as bandwidth, frequency response, gain, phase shift, resonant frequencies, time constant, resonance width, damping factor...
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France (EDF) prototyped and standardized a system called spread frequency shift keying or S-FSK. (See IEC 61334) It is now a simple, low cost system with...
39 KB (5,269 words) - 14:58, 28 March 2025
Vigenère cipher (section Frequency analysis)
column's letter frequencies to shifted plaintext frequencies to discover the key letter (Caesar shift) for that column. Once every letter in the key is known...
45 KB (6,033 words) - 18:34, 2 May 2025
water gas shift reaction is conducted in multiple adiabatic stages consisting of a high temperature shift (HTS) followed by a low temperature shift (LTS)...
22 KB (2,691 words) - 14:46, 16 April 2025