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The block code and its parameters. Error-correcting codes are used to reliably transmit digital data over unreliable communication channels subject to channel noise . When a sender wants to transmit a possibly very long data stream using a block code, the sender breaks the stream up into pieces of some fixed size.
The " Word of Wisdom " is the common name of an 1833 section of the Doctrine and Covenants, [1] a book considered by many churches within the Latter Day Saint movement to be a sacred text. The section defines beliefs regarding certain drugs, nutritious ingredients in general, and the counsel to eat meat sparingly; it also offers promises to ...
The number of distinct senses that are listed in Wiktionary is shown in the polysemy column. For example, "out" can refer to an escape, a removal from play in baseball, or any of 36 other concepts. On average, each word in the list has 15.38 senses. The sense count does not include the use of terms in phrasal verbs such as "put out" (as in ...
Facsimile of a BATCO cipher sheet. BATCO, short for Battle Code, is a hand-held, paper-based encryption system used at a low, front line (platoon, troop and section) level in the British Army. It was introduced along with the Clansman combat net radio in the early 1980s and was largely obsolete by 2010 due to the wide deployment of the secure ...
Japanese naval codes. The vulnerability of Japanese naval codes and ciphers was crucial to the conduct of World War II, and had an important influence on foreign relations between Japan and the west in the years leading up to the war as well. Every Japanese code was eventually broken, and the intelligence gathered made possible such operations ...
A comma-free code is block code in which no concatenation of two code words contains a valid code word that overlaps both. Comma-free codes are also known as self-synchronizing block codes because no synchronization is required to find the beginning of a code word. See also. Self-synchronizing code; References
Kenmore 9392 is a five-pull (1L-4N) small-city telephone number for the Kenmore exchange in Fort Wayne, Indiana. MArket 7032 is a six-digit (2L-4N) telephone number. This format was in use from the 1920s through the 1950s, and was phased out c. 1960. BALdwin 6828 is an urban 3L-4N example, used only in the largest cities before conversion to ...
In code-division multiple access (CDMA) communication, the Hadamard code is referred to as Walsh Code, and is used to define individual communication channels. It is usual in the CDMA literature to refer to codewords as “codes”. Each user will use a different codeword, or “code”, to modulate their signal.