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漢明碼 (Hamming code)

简介

在電信領域中,漢明碼,也稱為海明碼,是漢明碼推廣得到的一種線性錯誤更正碼,由理察·衛斯里·漢明於1950年發明。相比而言,簡單的奇偶檢驗碼除了不能糾正錯誤之外,也只能偵測出奇數個的錯誤。漢明碼是完整码,它在於它封包長度相同、最小距離為3的碼中能達到最高的位元速率。 用數學術語來說,漢明碼是一種二元線性碼。 维基百科
In computer science and telecommunication, Hamming codes are a family of linear error-correcting codes. Hamming codes can detect one-bit and two-bit errors, ...
Distance: 3
Message length: 2r − r − 1
Block length: 2r − 1 where r ≥ 2
Alphabet size: 2
In coding theory, Hamming(7,4) is a linear error-correcting code that encodes four bits of data into seven bits by adding three parity bits.
Block length: 7
Message length: 4

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2020年5月4日 — Hamming code is a set of error-correction codes that can be used to detect and correct the errors that can occur when the data is moved or ...
HAMMING CODE. Encode Input Data Sequence. Step 1: Enter the input data to be encoded. Bin Hex. Use extra parity bit. Step 2 [optional]: Click the ...
Hamming code is a type of binary code that is used to detect and correct data transmission errors. A hamming code can, typically, either detect two bit ...
Hamming codes are a class of single error-correction codes, characterized by having a codeword length of Kc = 2q − 1 and a message length of Kb = 2q − 1 − q ...
作者:J Fiedler2004被引用次数:10 — (At the time, parity checking was being used to detect errors, but was unable to correct any errors.) He created the, Hamming Codes, perfect. 1-error correcting ...
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