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  2. Concatenated error correction code - Wikipedia

    en.wikipedia.org/wiki/Concatenated_error...

    Schematic depiction of a concatenated code built upon an inner code and an outer code. This is a pictorial representation of a code concatenation, and, in particular, the Reed–Solomon code with n=q=4 and k=2 is used as the outer code and the Hadamard code with n=q and k=log q is used as the inner code. Overall, the concatenated code is a -code.

  3. Train reporting number - Wikipedia

    en.wikipedia.org/wiki/Train_reporting_number

    A train reporting number in Great Britain identifies a particular train service. It consists of: A single-digit number, indicating the class (type) of train, followed by. A letter, indicating the destination area, followed by. A two-digit number, identifying the individual train or indicating the route (the latter generally for suburban services).

  4. List of referred Indian Standard Codes for civil engineers

    en.wikipedia.org/wiki/List_of_referred_Indian...

    IS: 456; 10262; SP 23 – codes for designing concrete mixes. IS: 1199 – methods of sampling and analysis of concrete. IS: 516BXB JWJJS– methods of test for strength of concrete. IS: 13311 – ultrasonic testing of concrete structures. IS: 4925 – specifications for concrete batching plant. IS: 3025 – tests on water samples.

  5. List of ongoing armed conflicts - Wikipedia

    en.wikipedia.org/wiki/List_of_ongoing_armed...

    List of ongoing armed conflicts. Map of ongoing armed conflicts (number of combat-related deaths in current or previous year): Major wars (10,000 or more) Wars (1,000–9,999) Minor conflicts (100–999) Skirmishes and clashes (1–99) The following is a list of ongoing armed conflicts that are taking place around the world.

  6. Cyclic code - Wikipedia

    en.wikipedia.org/wiki/Cyclic_code

    A negacyclic code is a constacyclic code with λ=-1. A quasi-cyclic code has the property that for some s, any cyclic shift of a codeword by s places is again a codeword. A double circulant code is a quasi-cyclic code of even length with s=2. Quasi-twisted codes and multi-twisted codes are further generalizations of constacyclic codes.

  7. Chicxulub crater - Wikipedia

    en.wikipedia.org/wiki/Chicxulub_crater

    Free-air gravity anomaly over the Chicxulub structure (coastline and state boundaries shown as black lines) The Chicxulub crater ( IPA: [t͡ʃikʃuˈluɓ] ⓘ cheek-shoo-LOOB) is an impact crater buried underneath the Yucatán Peninsula in Mexico. Its center is offshore, but the crater is named after the onshore community of Chicxulub Pueblo ...

  8. International Plumbing Code - Wikipedia

    en.wikipedia.org/wiki/International_Plumbing_Code

    It is published by the International Code Council based in Washington, D.C., through the governmental consensus process and updated on a three-year cycle to include the latest advances in technology and safest plumbing practices. The current version of this code is the 2021 edition. [1] The IPC protects public health and safety in buildings for ...

  9. UltraViolet (website) - Wikipedia

    en.wikipedia.org/wiki/UltraViolet_(website)

    UltraViolet logo. UltraViolet was a cloud-based digital rights locker for films and television programs that allowed consumers to store proofs-of-purchase of licensed content in an account to enable playback on different devices using multiple applications from several different streaming services. [1] UltraViolet also allowed users to share ...