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этимология

redundancy check - перевод на Английский

TECHNIQUES THAT ENABLE RELIABLE DELIVERY OF DIGITAL DATA OVER UNRELIABLE COMMUNICATION CHANNELS

Error-detecting system; Redundancy check; Error control; Error correction; Error-detecting code; Error detection; Error detector; Error checking; Error-correction; Error Control Coding; Error Correction; Error detecting code; Error Checking and Correcting; Error correction and detection; Error Detection; Error coding; Error detection code; Error recovery; Error-correcting; Error detection coding; Error detection & correction; EDAC (Linux); Bluesmoke (Linux); Error checking and correcting

redundancy check

общая лексика

контроль введением избыточных элементов

профессионализм

контроль избыточностью

Смотрите также

CRC; LRC; redundancy; VRC

cyclic redundancy check

TYPE OF HASH FUNCTION USED TO DETECT ERRORS IN DATA STORAGE OR TRANSMISSION

Cyclic Redundancy Check; FCS-32; Cyclic redundancy code; CRC16; Crc64; Crc32 mpeg2; Crc16; Cyclic redundancy checks; CRC-24; CRC-16; CRC-8; CRC-64; Cyclical redundancy checking; CRC-CCITT; CRC-12; Crc32c; CRC32c; CRC8; Cyclic redundancy; Cyclic redundancy checksum; CRC-32C; CRC-32K; CRC check; CRC Values; Polynomial representations of cyclic redundancy checks; Polynomial CRC representations; List of CRC polynomials

см. CRC

error correction

общая лексика

исправление ошибок

Определение

cyclic redundancy check

<algorithm> (CRC or "cyclic redundancy code") A number derived from, and stored or transmitted with, a block of data in order to detect corruption. By recalculating the CRC and comparing it to the value originally transmitted, the receiver can detect some types of transmission errors. A CRC is more complicated than a checksum. It is calculated using division either using shifts and exclusive ORs or table lookup (modulo 256 or 65536). The CRC is "redundant" in that it adds no information. A single corrupted bit in the data will result in a one bit change in the calculated CRC but multiple corrupted bits may cancel each other out. CRCs treat blocks of input bits as coefficient-sets for polynomials. E.g., binary 10100000 implies the polynomial: 1*x^7 + 0*x^6 + 1*x^5 + 0*x^4 + 0*x^3 + 0*x^2 + 0*x^1 + 0*x^0. This is the "message polynomial". A second polynomial, with constant coefficients, is called the "generator polynomial". This is divided into the message polynomial, giving a quotient and remainder. The coefficients of the remainder form the bits of the final CRC. So, an order-33 generator polynomial is necessary to generate a 32-bit CRC. The exact bit-set used for the generator polynomial will naturally affect the CRC that is computed. Most CRC implementations seem to operate 8 bits at a time by building a table of 256 entries, representing all 256 possible 8-bit byte combinations, and determining the effect that each byte will have. CRCs are then computed using an input byte to select a 16- or 32-bit value from the table. This value is then used to update the CRC. Ethernet packets have a 32-bit CRC. Many disk formats include a CRC at some level. (1997-08-02)

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Википедия

Error detection and correction

In information theory and coding theory with applications in computer science and telecommunication, error detection and correction (EDAC) or error control are techniques that enable reliable delivery of digital data over unreliable communication channels. Many communication channels are subject to channel noise, and thus errors may be introduced during transmission from the source to a receiver. Error detection techniques allow detecting such errors, while error correction enables reconstruction of the original data in many cases.

https://en.wikipedia.org/wiki/Error detection and correction

Как переводится redundancy check на Русский язык