发明名称 TIMING RECOVERY METHOD AND STORAGE DEVICE
摘要 <P>PROBLEM TO BE SOLVED: To make always stable the timing recovery by suppressing the following of a timing recovery section to erroneous detection data (target value) even under high low-SNR conditions in which the error possibility of the detection data is high in a timing recovery method and a storage device. <P>SOLUTION: This method includes a detection step of sampling reproduced signals from a recording medium, equalizing the signals, and detecting the signals to output the detected signals, a control step of controlling the position of the sampling based on a phase difference between the equalized signals and the detected signals, and a step of obtaining likelihood information regarding bits in which the possibility of error bits is equal to/higher than a predetermined value based on the equalized signals. During the period based on the likelihood information, the control of the sampling position by the control step is suppressed. <P>COPYRIGHT: (C)2004,JPO
申请公布号 JP2004071060(A) 申请公布日期 2004.03.04
申请号 JP20020229393 申请日期 2002.08.07
申请人 FUJITSU LTD 发明人 YAMAZAKI AKIHIRO;SUGAWARA TAKAO
分类号 G11B20/10;G11B20/14;G11B20/18;H03L7/091;H03M13/41;H04L7/033 主分类号 G11B20/10
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