• 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 (6,219 words) - 03:19, 17 April 2024
  • Thumbnail for Amplitude and phase-shift keying
    carrier wave. In other words, it combines both amplitude-shift keying (ASK) and phase-shift keying (PSK). This allows for a lower bit error rate for a given...
    5 KB (500 words) - 15:02, 17 April 2024
  • 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...
    3 KB (296 words) - 12:08, 18 May 2024
  • 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...
    9 KB (1,126 words) - 18:43, 1 January 2024
  • Thumbnail for PSK31
    PSK31 or "Phase Shift Keying, 31 Baud", also BPSK31 and QPSK31, is a popular computer-sound card-generated radioteletype mode, used primarily by amateur...
    15 KB (1,922 words) - 17:08, 15 October 2023
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    equipment is more likely to detect it. Amplitude-shift keying (ASK) Continuous-phase frequency-shift keying (CPFSK) Dual-tone multi-frequency (DTMF), another...
    16 KB (1,882 words) - 15:45, 27 March 2024
  • and phase-shift keying or asymmetric phase-shift keying (APSK) Carrierless amplitude phase modulation (CAP) Circle packing § Applications In-phase and...
    15 KB (1,941 words) - 15:43, 27 March 2024
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    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...
    3 KB (338 words) - 19:35, 16 June 2022
  • Modulation (redirect from Shift keying)
    modulation techniques are based on keying: PSK (phase-shift keying): a finite number of phases are used. FSK (frequency-shift keying): a finite number of frequencies...
    24 KB (3,038 words) - 03:42, 25 April 2024
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    modulation methods used for UAC are as follows: Frequency-shift keying (FSK) Phase-shift keying (PSK) Frequency-hopping spread spectrum (FHSS) Direct-sequence...
    16 KB (1,774 words) - 22:02, 17 January 2024
  • Biphase (redirect from Bi-phase)
    Wiktionary, the free dictionary. Biphase or Bi-phase may refer to: Biphase modulation, or binary phase-shift keying Differential Manchester encoding, also known...
    383 bytes (84 words) - 15:41, 10 September 2021
  • radio) Phase-shift keying: 31-baud binary phase shift keying: PSK31 31-baud quadrature phase shift keying: QPSK31 63-baud binary phase shift keying: PSK63...
    8 KB (959 words) - 01:09, 26 April 2024
  • system. The German time signal DCF77, in addition to amplitude keying, employs phase-shift keying driven by a 9-stage LFSR to increase the accuracy of received...
    37 KB (4,672 words) - 22:11, 31 March 2024
  • phase modulation 3-PSK can be seen as falling between "binary phase-shift keying" (BPSK), which uses two phases, and "quadrature phase-shift keying"...
    2 KB (282 words) - 23:33, 4 September 2019
  • 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...
    9 KB (1,625 words) - 16:30, 23 June 2023
  • Thumbnail for Constellation diagram
    digital modulation scheme such as quadrature amplitude modulation or phase-shift keying. It displays the signal as a two-dimensional xy-plane scatter diagram...
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  • a real radio demodulator does it. One of the stages in a typical phase-shift keying demodulation process produces a stream of I-Q points which can be...
    6 KB (743 words) - 03:05, 15 March 2024
  • Thumbnail for Ciena Optical Multiservice Edge 6500
    signal modulation technology called dual-polarization quadrature phase shift keying (DPQPSK). 1 port 100 Gigabit/s Module The 100G Gigabit Module effectively...
    3 KB (266 words) - 03:30, 16 March 2023
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    (APRS) Phase-Shift Keying 31-baud binary phase shift keying: PSK31 31-baud quadrature phase shift keying: QPSK31 63-baud binary phase shift keying: PSK63...
    62 KB (6,814 words) - 23:48, 28 May 2024
  • or higher. Examples: quadrature phase-shift keying (QPSK), and m-ary quadrature amplitude modulation (m-QAM). phase-shift keying modulation order v t e...
    469 bytes (39 words) - 22:33, 26 April 2022
  • types of modulation that may be used with differential coding include phase-shift keying and quadrature amplitude modulation. When data is transmitted over...
    6 KB (873 words) - 05:40, 21 December 2023
  • Manchester coding is a special case of binary phase-shift keying (BPSK), where the data controls the phase of a square wave carrier whose frequency is the...
    8 KB (909 words) - 15:27, 21 May 2024
  • keying, rather than modulation. Thus, telecommunications modems use frequency-shift keying (FSK), phase-shift keying (PSK), or amplitude-phase keying...
    5 KB (682 words) - 22:21, 29 March 2023
  • code Photorefractive keratectomy, laser eye surgery Phase reversal keying, a form of phase-shift keying People's Republic of Korea, short-lived 1945 government...
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  • to vocalize numbers, although digital modes such as phase-shift keying and frequency-shift keying, as well as Morse code transmissions, are not uncommon...
    45 KB (4,773 words) - 15:05, 18 March 2024
  • wireless modems. Continuous-phase frequency-shift keying (CPFSK) is a commonly used variation of frequency-shift keying (FSK), which is itself a special...
    6 KB (939 words) - 03:14, 13 April 2023
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    in SMATV installations: Transmodulation from satellite quaternary phase shift keying QPSK to quadrature amplitude modulation QAM Direct distribution of...
    5 KB (473 words) - 03:28, 19 August 2023
  • Karlsruhe, a German sports club Phase-shift keying, a digital modulation technique Pre-shared key, a method to set encryption keys Polysaccharide-K, a protein-bound...
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  • communications: Binary phase-shift keying (BPSK); Quadrature phase-shift keying (QPSK); Offset quadrature phase-shift keying (OQPSK); 8PSK; Quadrature...
    11 KB (1,377 words) - 22:21, 25 April 2024
  • using frequency-shift keying (FSK) modulation, while synchronous modems could run at speeds up to 9600 bit/s using phase-shift keying (PSK). Synchronous...
    5 KB (525 words) - 13:43, 13 May 2023