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 |
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 |
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 |
PSK31 (redirect from Phase Shift Keying, 31 Baud) 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 |
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) - 13:29, 16 June 2023 |
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 |
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 |
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 |
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 |
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 |
keying techniques exist, including phase-shift keying, frequency-shift keying, and amplitude-shift keying. Bluetooth, for example, uses phase-shift keying... 2 KB (237 words) - 13:31, 19 April 2023 |
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 |
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 |
Angle modulation (section Phase modulation) 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 |
(in-phase) carrier wave and a 'quadrature' carrier wave that is 90° out of phase with the main, or in-phase, carrier Quadrature phase-shift keying (QPSK)... 2 KB (347 words) - 01:40, 25 September 2023 |
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 code (redirect from Phase encoding) 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) - 05:36, 2 February 2023 |
(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 (6,813 words) - 15:30, 5 April 2024 |
code Photorefractive keratectomy, laser eye surgery Phase reversal keying, a form of phase-shift keying People's Republic of Korea, short-lived 1945 government... 520 bytes (91 words) - 13:26, 17 March 2023 |
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 |
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... 5 KB (447 words) - 20:41, 4 May 2024 |
bandwidth (or narrowband) channels. VMSK is a type of phase-shift keying, not related to minimum shift keying. VMSK was introduced in 1998 as a cellular telephone... 6 KB (770 words) - 23:17, 6 March 2024 |
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 |