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单词 hamming
释义

Hammingn.

/ˈhamiŋ/
Etymology: < the name of Richard Hamming (1915–98), U.S. computer scientist.
Used attributively, esp. in Hamming code n. [described by him in Bell Syst. Techn. Jrnl. (1950) XXIX. 147–60] any code in which multiple parity bits are used in order to detect (and correct) errors, esp. one in which the Hamming distance (see below) between two codewords is never less than some specified number. Hamming distance n. a measure of the difference between two words of equal length, defined as the number of positions where they differ.
ΘΚΠ
society > computing and information technology > programming language > program or code > [noun] > bit level codes > Hamming code
Hamming code1954
society > computing and information technology > data > database > data entry > [noun] > error check
summation check1926
checksum1940
parity check1950
Hamming distance1954
redundancy check1955
sum check1956
validity check1957
1954 IRE Trans. Information Theory 4 30 The single-error-correction check digits of the Hamming code give the location of any single error within the block of N1 digits.
1958 Communications Assoc. Computing Machinery 1 4 Would it be possible..to design around Hamming codes an auto-diagnostic machine?
1962 Gloss. Terms Automatic Data Processing (B.S.I.) 21 Hamming distance.
1970 O. Dopping Computers & Data Processing ii. 39 In a Gray code, only one bit position changes its value between two adjacent numbers. In other words, the so-called Hamming distance between two adjacent numbers is always equal to 1.
1985 Sci. Amer. Jan. 70/3 The scheme in which seven-bit codewords each protect four bits of data is the (7,4) Hamming code; the scheme that requires a further bit is the (8,4) Hamming code.
1986 R. L. Brewster Telecommunications Technol. v. 87 It is surprising how many redundant bits are required to obtain a Hamming distance of any significance.
This entry has not yet been fully updated (first published 1993; most recently modified version published online September 2018).

> as lemmas

ˈhamming
ˈhamming n. and adj.
ΘΚΠ
society > leisure > the arts > performance arts > drama > acting > [noun] > over-acting
overplaying1927
hamming1946
society > leisure > the arts > performance arts > drama > acting > [adjective] > over-acting
hammy1929
ham1935
hamming1946
1946 Daily Tel. 18 Nov. 6/6 Thomas Mitchell, after a deal of recent hamming, is a convincing detective.
1957 Observer 10 Nov. 19/2 The temptation of second-feature hamming.
1960 S. H. Courtier Gently dust Corpse iii. 38 Hamming it now, thought Birch, and it's time they were brought to their senses.
extracted from hamv.2
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n.1954
as lemmas
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