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READ CHANNEL DECODER, READ CHANNEL DECODING METHOD, AND READ CHANNEL DECODING PROGRAM
READ CHANNEL DECODER, READ CHANNEL DECODING METHOD, AND READ CHANNEL DECODING PROGRAM
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机译:读取信道解码器,读取信道解码方法和读取信道解码程序
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摘要
PROBLEM TO BE SOLVED: To raise error correction capability without enlarging a circuit scale in a recursive read channel decoder having an inner decoder and an outer decoder.;SOLUTION: Incorrect correction rectifying sections 110, 120 and 130 rectify incorrect corrections in DAE sections 43, 45 and 47 respectively. Normalization sections 141-144 normalize incoming information of LDPC sections 151-154 respectively so that performance of LDPC sections 151-154 may serve as best, and decoding algorithm of the LDPC sections 151-154 is changed so that channel information may be utilized enough.;COPYRIGHT: (C)2004,JPO
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