Timing recovery for the magnetic recording channel using the wave difference method

被引：0
作者：
Keane, JP [1 ]
Hurst, PJ [1 ]
机构：
[1] Univ Calif Davis, Dept Elect & Comp Engn, Davis, CA 95616 USA
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2004年 / 40卷 / 04期
关键词：
jitter; magnetic recording; timing circuits;
D O I：
10.1109/TMAG.2004.830187
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Timing recovery using the wave difference method is proposed for use in a magnetic recording read channel. The scheme uses an oversampling ratio of two and is suitable for mixed-signal or digital implementations. A simple class of prefilter that significantly improves the signal-to-interference ratio of the generated timing-error estimate is described. This prefilter also allows a simple implementation based on an absolute value, rather than squaring or fourth-order nonlinearity. Simulation results for this scheme are presented for a range of recording densities and channel noise levels.
引用
收藏
页码：3102 / 3104
页数：3
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