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In information theory, polar codes are a linear block error-correcting codes. The code construction is based on a multiple recursive concatenation of a short kernel code which transforms the physical channel into virtual outer channels.
Original NANP area codes of Florida and surrounding states. In 1947, the American Telephone and Telegraph Company (AT&T) announced the first nationwide telephone numbering plan and divided the United States and Canada into 86 numbering plan areas and assigned the original North American area codes, a unique code for each area, to speed the connection times for operator toll dialing.
The three-digit codes were assigned to numbering plan areas in seemingly random manner, avoiding consecutive, nearly-consecutive, or just very similar codes in neighboring numbering plan areas to avoid customer confusion, [12] even when located in the same jurisdiction. This criterion was not always achieved, however.
Erasure coding was invented by Irving Reed and Gustave Solomon in 1960. [1]There are many different erasure coding schemes. The most popular erasure codes are Reed-Solomon coding, Low-density parity-check code (LDPC codes), and Turbo codes.
Location: Macondo Prospect (Mississippi Canyon Block 252), in the North-central Gulf of Mexico, United States (south of Louisiana): Coordinates: 1]: Date: 20 April – 19 September 2010 (4 months, 4 weeks and 2 days): Cause; Cause: Wellhead blowout: Casualties: 11 people killed 17 people injured: Operator: Transocean under contract for BP [2]: Spill characteristics; Volume: 4.9 MMbbl ...
While not based directly on the codes of Barbados, the Virginia codes were inspired by them. [18] [19] The shipping and trade that took place between the West Indies and the Chesapeake (the "final passage" of the Triangular Trade) meant that planters quickly became aware of any legal and cultural changes that took place. [20]
Vladimir Vladimirovich Putin [c] (born 7 October 1952) is a Russian politician and former intelligence officer who is the president of Russia.Putin has held continuous positions as president or prime minister since 1999: [d] as prime minister from 1999 to 2000 and from 2008 to 2012, and as president from 2000 to 2008 and since 2012.
The following model codes have been used by Toyota. The letters of the model code is found by combining the letters of the engine code with the platform code. If the engine code and the platform code have two letters each, the middle letter is computed according to this formula: [1] [2]