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Sequence of digital values used for synchronisation
In telecommunication technology, a Barker code or Barker sequence is a finite sequence of digital values with the ideal autocorrelation property. It is
Barker_code
Sequence of numbers consisting of 1 and -1
can make conclusions related to the local behavior of DNA sequences. A Barker code is a sequence of N values of +1 and −1, x j for j = 1 , … , N , {\displaystyle
Sign_sequence
IEEE 802.11b specification. In 1999, CCK was adopted to supplement the Barker code in wireless digital networks to achieve data rate higher than 2 Mbit/s
Complementary_code_keying
Channel access method used by various radio communication technologies
used for radar applications for many decades, where they are called Barker codes (with a very short sequence length of typically 8 to 32). For space-based
Code-division_multiple_access
British physicist (1915–2015)
the identification of the binary sequences now known as Barker codes, first described by Barker in 1953. These sequences have favourable autocorrelation
Ronald_Hugh_Barker
Scheme for controlling errors in data over noisy communication channels
} . AN codes Algebraic geometry code BCH code, which can be designed to correct any arbitrary number of errors per code block. Barker code used for
Error_correction_code
American journalist and author
February 2011). "Female Foreign Correspondents' Code of Silence, Finally Broken". ProPublica. "Kim Barker". New York Times. Retrieved 2023-06-29. "The Coldest
Kim_Barker
Pseudo-random signal with characteristics similar to noise
systems are maximal length sequences, Gold codes, Kasami codes, and Barker codes. Barker code Gold Codes Maximum length sequence Zadoff–Chu sequence
Pseudorandom_noise
Discrete, discontinuous representation of information
tape for use with early home computers. Analog-to-digital converter Barker code Big data Binary number Comparison of analog and digital recording Computer
Digital_data
Soviet over-the-horizon early-warning radar system
as a 31-bit pseudo-random binary sequence with properties much like Barker codes, with a bit-width of 100 μs resulting in a 3.1 ms pulse. The auto-correlation
Duga_radar
Wireless networking standard
standard uses complementary code keying (CCK) as its modulation technique, which uses a specific set of length 8 complementary codes that was originally designed
IEEE_802.11b-1999
Transfer of data over a communication channel
data accurately by the receiver using digital code was the Barker code invented by Ronald Hugh Barker in 1952 and published in 1953. Data transmission
Data_communication
Type of pseudorandom binary sequence
algorithm similar to the FFT. Barker code Complementary sequences Federal Standard 1037C Frequency response Gold code Impulse response Polynomial ring
Maximum-length_sequence
Russian global navigation satellite system
and quadrature pilot. The data is error-coded with 5-bit Barker code and the pilot with 10-bit Neuman-Hoffman code. Open L1OC and restricted L1SC signals
GLONASS
Type of sensor
the scale, an autocorrelator pattern (typically a Barker code) or a chirp pattern. Distance coded reference marks (DCRM) are placed onto the scale in
Linear_encoder
Polynomial whose coefficients are all 1 or −1
{\displaystyle 1} without restricting the degree to special subsequences. Barker code Fekete polynomial Mahler measure Rudin–Shapiro sequence Shapiro polynomials
Littlewood_polynomial
British military research establishment
the 1950’s was the development of the Barker code, a binary sequence designed by SRDE engineer Ronald Hugh Barker in 1953 to improve synchronisation in
Signals Research and Development Establishment
Signals_Research_and_Development_Establishment
Village in New York, United States
Niagara County. The mail ZIP code is 14012. It is part of the Buffalo–Niagara Falls Metropolitan Statistical Area. Barker is within the Town of Somerset
Barker, Niagara County, New York
Barker,_Niagara_County,_New_York
American actor (1919–1973)
Alexander Crichlow Barker Jr. (May 8, 1919 – May 11, 1973) was an American actor. He played Tarzan for RKO Pictures between 1949 and 1953 and later worked
Lex_Barker
1928 film
The Barker is a 1928 American part-talkie pre-Code romantic drama film produced and released by First National Pictures, a subsidiary of Warner Bros. Pictures
The_Barker
Kalashnikov Bailey bridge – Donald Bailey Bakelite – Leo Baekeland Barker code – Ronald Hugh Barker Barlow lens – Barlow's wheel – Peter Barlow Bath Oliver – William
List of inventions named after people
List_of_inventions_named_after_people
Signal processing technique
phases can be done according to a technique known as Barker codes. The advantages of the Barker codes are their simplicity (as indicated above, a π {\displaystyle
Pulse_compression
New Zealand politician
breached the Council's code of conduct by harrying Barker and O'Malley for lodging a complaint against Radich. On 26 August 2025, Cr Barker unsuccessfully voted
Sophie_Barker_(mayor)
Main antagonist in Hellraiser
appeared as an unnamed figure in the 1986 Clive Barker novella The Hellbound Heart. When Clive Barker adapted the novella into the 1987 film Hellraiser
Pinhead_(Hellraiser)
Object detection system using radio waves
wavelengths are used in different roles. The traditional band names originated as code-names during World War II and are still in military and aviation use throughout
Radar
Open conjecture that no real circulant Hadamard matrix has order greater than 4
equal n {\displaystyle {\sqrt {n}}} . Hadamard conjecture Difference set Barker code Circulant matrix Littlewood polynomial Perfect sequence Weighing matrix
Ryser's conjecture on circulant Hadamard matrices
Ryser's_conjecture_on_circulant_Hadamard_matrices
3D Doppler Radar Spectrum showing a Barker Code of 13
Radar_signal_characteristics
American rock band (2005–2009)
Delonge who started Box Car Racer with Barker but without Hoppus. The band's name refers to the international dialing code of the United Kingdom, the country
+44_(band)
Explains the functionality of software
illustration that accompanies computer software or is embedded in the source code. The documentation either explains how the software operates or how to use
Software_documentation
British fantasy author
Barker (or, RJ Barker) is a British author of fantasy literature. He is best known for his Wounded Kingdom trilogy and the Tide Child trilogy. Barker
R._J._Barker
2026 video game
Archived from the original on July 26, 2025. Barker, Sammy (July 26, 2025). "Dino Crisis-Inspired Shooter Code Violet Gets a PS5 Exclusive Release Date"
Code_Violet
Academy in Leighton Buzzard, Bedfordshire, England
in a Secondary School. Ronald Hugh Barker (PhD, BSc(hons), FIET, FInstP ), Physicist and Inventor of Barker code, used for the efficient transmission
Cedars_Upper_School
American retired teacher
coincided with Hubbard's release. List of American people imprisoned in Russia Barker, Kim; Vasilyeva, Nataliya (9 February 2025). "An American Teacher Went to
Stephen_Hubbard
broadcast requirements). 14 The 29th Critics' Choice Awards were held at the Barker Hangar in Santa Monica, California, with notable winners including films
2024_in_American_television
where 4B3T is not used, is 2B1Q. The sync sequence used is the 11-symbol Barker code, +++−−−+−−+− or its reverse, −+−−+−−−+++. Each 4-bit input group is encoded
4B3T
Social networking service owned by Meta Platforms
Archived from the original on February 24, 2021. Retrieved February 24, 2021. Barker, Alex. "Facebook pledges to pay $1bn for news". The Irish Times. Archived
American Studies 1974) Ronald Hugh Barker - a physicist, mathematician and pioneer in digital technology who invented Barker code (Bsc 1938) Erkin Bairam – Professor
List of University of Hull people
List_of_University_of_Hull_people
British businessman and MP (1748–1818)
John Barker Church, a.k.a. John Carter, (October 30, 1748 – April 27, 1818), was an English born businessman and supplier of the Continental Army during
John_Barker_Church
1968 U.S. war crime during the Vietnam War
a small part of the U.S. military's overall strategy. Task Force Barker (TF Barker), a battalion-sized ad hoc unit of 11th Brigade, was to be deployed
My_Lai_massacre
American family prominent in entertainment, business, and fashion
and Reign). She married Blink-182 drummer Travis Barker, and they have one child together (Rocky). Barker also has two children of his own with his previous
Kardashian_family
the group from western South America; their conclusions are disputed by Barker, Naish and Gostling (2025), who argue that these teeth lack key features
2025 in archosaur paleontology
2025_in_archosaur_paleontology
Wilson, Fahri Yardım Science fiction a.k.a. Tod aus der Tiefe Sea Wolf Mike Barker Sebastian Koch, Tim Roth, Neve Campbell Drama German-Canadian co-production
List of German films of the 2000s
List_of_German_films_of_the_2000s
(November 5, 2025). "Focus Features Sets Early Summer 2026 Date For Curry Barker's Horror Pic 'Obsession'". Deadline Hollywood. Retrieved November 5, 2025
List of American films of 2026
List_of_American_films_of_2026
University of Louisville School of Medicine; featured the work of John Barker in Kentucky, and his colleague Joe Banis; the French plastic surgeon Laurent
List_of_Equinox_episodes
Prince Frederick Pretty Princess 1993 Italian film, portrayed by Adam Barker. Prince Max The ruler of a small principality of Liechtenhaus and the father
List_of_fictional_princes
Archived from the original on March 15, 2018. Retrieved February 24, 2018. Barker, F. G. II (1995). "Phineas among the phrenologists: the American crowbar
List of common misconceptions about science, technology, and mathematics
List_of_common_misconceptions_about_science,_technology,_and_mathematics
Global conflict from 1939 to 1945
Archived from the original on 7 March 2023. Retrieved 6 April 2014. Barker 1971, pp. 131–132. Shirer 1990, p. 289. Kitson 2001, p. 231. Neulen 2000
World_War_II
Serial number used to identify a periodical publication
An International Standard Serial Number (ISSN) is an eight-digit code to uniquely identify a periodical publication (periodical), such as a magazine. The
ISSN
Archived from the original on June 23, 2020. Retrieved June 20, 2020. Barker, Sammy (July 4, 2020). "Industry Rallies Around The Last of Us 2 Voice Actor
List of review-bombing incidents
List_of_review-bombing_incidents
Category 4 Atlantic hurricane in 2024
Hurricane Helene remnants damage Winston-Salem". Winston-Salem Journal. Barker, Aaron (September 27, 2024). "North Carolina dam failure imminent: People
Hurricane_Helene
1873–1876 – Vol. 1. Edinburgh: Neill & Co. p. 58. Carpenter A., and Wilson-Barker D. (1915). Nature Notes for Ocean Voyagers (1st ed.). London: Charles Griffin
History_of_cannabis_in_Italy
Cyclone". Bloomberg. Bloomberg News. Retrieved March 20, 2023. Murphy, Hannah; Barker, Anne; Brann, Matt; Bieundurry, Tallulah (May 3, 2023). "Indonesian fishermen
Tropical_cyclones_in_2023
1988 horror film by Tony Randel
Cenobites, a group of sadomasochistic beings from another dimension. Clive Barker, who wrote and directed the first Hellraiser film, wrote the story of Hellraiser
Hellbound:_Hellraiser_II
British media studies researcher (1946–2022)
Martin Barker (20 April 1946 – 8 September 2022) was a British scholar of media studies and cultural studies. He was an Emeritus Professor at Aberystwyth
Martin_Barker
years after Hutchence's death. The first posthumous live album Live at Barker Hangar, which was recorded live on May 8, 1993, was released on October
List of music released posthumously
List_of_music_released_posthumously
rise in Texas after Talarico victory". The Hill. Retrieved March 6, 2026. Barker, Aaron (March 28, 2026). "Paxton picks up CPAC's endorsement in Texas Senate
2026 United States Senate election in Texas
2026_United_States_Senate_election_in_Texas
tricycle Ronald Hugh Barker, physicist, mathematician and pioneer of digital control engineering known primarily for inventing Barker code Harold Barlow, engineer
List of University College London people
List_of_University_College_London_people
conflict will end 'very soon'. Retrieved 18 October 2026 – via YouTube. Barker, Kim (16 October 2026). "The Rupturing Trump-Zelensky Relationship Stands
Timeline of the Russo-Ukrainian war (1 September 2026 – present)
Timeline_of_the_Russo-Ukrainian_war_(1_September_2026_–_present)
Banks Michael Bankston Warren Bankston Gary Barbaro Christopher Barber Roy Barker Jerome Barkum Kevan Barlow Reggie Barlow Allen Barnes Billy Ray Barnes Jeff
List of NFL players with chronic traumatic encephalopathy
List_of_NFL_players_with_chronic_traumatic_encephalopathy
Country in Eastern Europe and North Asia
Kappeler, Andreas (12 July 2010). "'Great Russians' and 'Little Russians'". In Barker, Adele Marie; Grant, Bruce (eds.). The Russia Reader: History, Culture,
Russia
New Zealand politician
Dunedin Sophie Barker barred Ong from participating in informal meetings with Members of Parliament and councils due to several code of conduct violations
Benedict_Ong
4 The 31st Critics' Choice Awards airs on E! and USA Network from the Barker Hangar in Santa Monica, California. Chelsea Handler returns for her fourth
2026_in_American_television
History of the virus group
1177/030098586800500112. Pedersen, Niels C.; Boyle, John F.; Floyd, Kim; Fudge, Alan; Barker, Janet (March 1981). "An Enteric Coronavirus Infection of Cats and Its Relationship
History_of_coronavirus
Gematsu. Retrieved June 13, 2026. Stenbuck, Kite (January 29, 2026). "Villion:Code releases for PlayStation 4&5 and Switch 1&2 in Japan on June 25". RPG Site
List of Nintendo Switch 2 games
List_of_Nintendo_Switch_2_games
All (2011) Barista (2015) Baristas (2019) Bark! (2002) Barke (2014) The Barker (1928) The Barkleys of Broadway (1949) Barkha (1959) Barkha Bahar (1973)
List_of_films:_B
King of the United Kingdom since 2022
Liversidge, Douglas (1975). Prince Charles: monarch in the making. A. Barker. ISBN 978-0-213-16568-0. Martin, Christopher (1990). Prince Charles and
Charles_III
Search engine from Google
Archived from the original on February 4, 2015. Retrieved April 9, 2021. Barker, Alex; McCarthy, Bede (April 9, 2013). "Google favours 'in-house' search
Google_Search
Portrayal of sexual subject matter
2014, p. 24. Faludi 1995, pp. 65–66. Morris 2016. Grubbs & Kraus 2021. Barker 2014. Griffith et al. 2013, pp. 621–632. Tricarico 2018, p. 61. Tricarico
Pornography
List of landmark US court cases by year
on its own citizens. – Category: Criminal law: Fourth Amendment rights Barker v. Wingo, 407 U.S. 514 (1972) The Supreme Court laid down a four-part case-by-case
List of landmark court decisions in the United States by year
List_of_landmark_court_decisions_in_the_United_States_by_year
Euphemism for homosexuality of the deceased
to the second half of the 20th century. As well as being used in queer coding, it is also used uncoded, where the subject never married but was not homosexual
He_never_married
2026 video game
Sales Milestone In Just 16 Days". Nintendo Life. Retrieved May 7, 2026. Barker, Sammy (May 20, 2026). "Apr 2026 USA Sales: Unremarkable Start for Saros
Pragmata
Newspaper online services
Pulitzers for Ukraine coverage". Associated Press. Retrieved November 12, 2023. Barker, Alex; Fontanella-Khan, James (August 11, 2022). "ValueAct takes 7% stake
Online platforms of The New York Times
Online_platforms_of_The_New_York_Times
colleague "All right! Go ahead!" — Ma Barker, American mother of criminals (16 January 1935), to her son, Fred Barker, prior to their deaths in a shootout
List of last words (20th century)
List_of_last_words_(20th_century)
2015. ISBN 97811-3607-142-3. Retrieved March 6, 2020. Myc Wiatrowski; Cory Barker, eds. (July 18, 2014). Popular Culture in the Twenty-First Century. Cambridge
List of Dragon Age: Origins characters
List_of_Dragon_Age:_Origins_characters
Scanning electron microscopy technique
2009.03138.x. PMID 19250465. S2CID 42955621. Moser, D. E.; Cupelli, C. L.; Barker, I. R.; Flowers, R. M.; Bowman, J. R.; Wooden, J.; Hart, J.R. (2011). Davis
Electron backscatter diffraction
Electron_backscatter_diffraction
Double Pony Canyon January 25, 1992JP January 25, 1992 Unreleased Unreleased Barker Bill's Trick Shooting Nintendo R&D1 Nintendo August 1990NA Unreleased August
List of Nintendo Entertainment System games
List_of_Nintendo_Entertainment_System_games
2024 video game
Archived from the original on July 27, 2024. Retrieved July 27, 2024. Barker, Sammy (July 28, 2024). "Astro Bot Continues Its Quest for PS5 Game of the
Astro_Bot
Chemical numbering scheme
1186/1745-6150-5-31. PMC 2876114. PMID 20433725. Apweiler R, Bairoch A, Wu CH, Barker WC, Boeckmann B, Ferro S, Gasteiger E, Huang H, Lopez R, Magrane M, Martin
Enzyme_Commission_number
Film series
PG-13)". richardroeper.com. Archived from the original on December 6, 2014. Barker, Andrew (May 12, 2011). "Pirates of the Caribbean: On Stranger Tides". Variety
Pirates of the Caribbean (film series)
Pirates_of_the_Caribbean_(film_series)
Public school in Texas, United States
v t e Greater Katy Geography Areas Barker Canyon Gate Cimarron Cinco Ranch Energy Corridor City of Katy Cane Island Grand Lakes Memorial Parkway Nottingham
Katy_High_School
Species of hominid in the genus Homo
November 2014. Richards, Christina; Bouman, Walter Pierre; Seal, Leighton; Barker, Meg John; Nieder, Timo O.; T'Sjoen, Guy (2016). "Non-binary or genderqueer
Human
2009 American TV series or program
Barker well enough to speak to him in terse personal code—but for newbie Ellis, he needs to spell things out, including his deep respect for Barker's
The_Beast_(2009_TV_series)
Office building in Washington, D.C.
at HUD". The Washington Post. p. B1. ISSN 0190-8286. ProQuest 138943505. Barker, Karlyn (December 10, 1982). "Appeals Court Clears Way for HUD Firings"
Robert C. Weaver Federal Building
Robert_C._Weaver_Federal_Building
Season of television series
worst dishes. Jonathan was saved first and Reem was eliminated. 62 5 "Barker's Dozen" May 1, 2018 (2018-05-01) 505 1.023 27 Team Challenge 2: The home
MasterChef_Canada_season_5
Report · Volume 11, Printed at the Ceylon Government Press, 1951, p. 1555 Barker, Brian (1976), When the Queen was crowned, Routledge & Kegan Paul, p. 28
Monarchy of Ceylon (1948–1972)
Monarchy_of_Ceylon_(1948–1972)
phylogenetic affinities of Koumpiodontosuchus aprosdokiti is published by Barker et al. (2026), who support the placement of the studied species within Bernissartiidae
2026 in archosaur paleontology
2026_in_archosaur_paleontology
PMC 5168715. PMID 27993155. Ramesh B, Small CM, Healey H, Johnson B, Barker E, Currey M, et al. (20 February 2023). "Improvements to the Gulf pipefish
List of sequenced animal genomes
List_of_sequenced_animal_genomes
the Train (2009), In the Name of My Daughter (2014) Gerald Thomas Eric Barker Carry On Sergeant (1958), Carry On Constable (1960), Watch Your Stern (1960)
List of film director and actor collaborations
List_of_film_director_and_actor_collaborations
American drummer Travis Barker has released one studio album, five extended play (EP), and 60 singles under his own name. Barker, best known for his work
Travis_Barker_discography
and older sister of Princes Harris, Hubert and Hamish. Voiced by Peigi Barker as a child, and by Kelly Macdonald as a young woman. Merida joined the official
List_of_fictional_princesses
Name list
Scottish footballer Billy Barham (born 1952), Australian VFL player Billy Barker (disambiguation), several people Billy Barlow (1870–1963), Canadian ice
Billy_(name)
American escapologist and stuntman (1874–1926)
Leventhal Publishers. p. 469. ISBN 978-0-7394-6558-5. Naumann, David N; Barker, Tom (March 15, 2023). "Traumatic appendicitis is probably not real: an
Harry_Houdini
Episodes of a UK television series
Davidson 13 October 2014 (2014-10-13) 5.84 When cold-crime enthusiast Ellen Barker is murdered, a photo of Dan Griffin is found at her house. He is interviewed
List_of_New_Tricks_episodes
known as Bray Wyatt dead at 36". Fox News. Retrieved August 24, 2023. "Bob Barker, longtime host of 'The Price Is Right' and animal-rights activist, dies
2023_in_American_television
American film podcast
John Badham John Dies at the End (2012) 6 June 2017 Glynn Turman Thomas Barker, Chris Stachiw Johnny Guitar (1954) 21 February 2024 Andras Jones, David
The_Projection_Booth
2014, p. 150. Artillery Operations in Buna–Gona Area, Brigadier L.E.S. Barker, 31 Jan 1943, AWM54 581/6/9 cited in Brien 2013, p. 20. Milner 1957, p. 246
Battle of Buna–Gona: Allied forces and order of battle
Battle_of_Buna–Gona:_Allied_forces_and_order_of_battle
and Comanche settlers – on the side of the Comanches. 7 7 "Incident at Barker Springs" Charles Marquis Warren Les Crutchfield February 20, 1959 (1959-02-20)
List_of_Rawhide_episodes
Type of substitution cipher
cipher". freemasonry.bcy.ca. Retrieved 2016-11-07. Barker, Wayne G., ed. (1978). The History of Codes and Ciphers in the United States(USA) Prior to World
Pigpen_cipher
(February 19, 2024). "The Veronicas Set Gothic Summer, Featuring Travis Barker and Goldfinger's John Feldmann". Billboard. Retrieved February 19, 2024
List_of_2024_albums
2024 video game
exclusivity". Eurogamer. Archived from the original on December 17, 2024. Barker, Sammy (August 30, 2024). "Dramatic Conflicts as Sony Accused of Signing
Black_Myth:_Wukong
travel, tourism, insurance
BARKER CODE
BARKER CODE
BARKER CODE
BARKER CODE
BARKER CODE
BARKER CODE
BARKER CODE
BARKER CODE
BARKER CODE
travel, tourism, insurance