发明授权
- 专利标题: Zero phase start estimation in readback signals
- 专利标题(中): 回读信号中的零相位起始估计
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申请号: US14197748申请日: 2014-03-05
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公开(公告)号: US09123383B1公开(公告)日: 2015-09-01
- 发明人: Xuebin Wu , Shaohua Yang , Zhi Bin Li , Haitao Xia
- 申请人: LSI Corporation
- 申请人地址: SG Singapore
- 专利权人: Avago Technologies General IP (Singapore) Pte. Ltd.
- 当前专利权人: Avago Technologies General IP (Singapore) Pte. Ltd.
- 当前专利权人地址: SG Singapore
- 代理机构: Suiter Swantz pc llo
- 主分类号: G11B20/20
- IPC分类号: G11B20/20 ; G11B20/10 ; G11B5/09
摘要:
A data storage system identifies analog-to-digital conversion samples with amplitude below a certain threshold. Remaining samples are grouped according to phase into one or more quadrants. A multi-coordinate with overlapping quadrants is used to further differentiate sample points. The system then computes an average phase for zero phase start estimation.
公开/授权文献
- US20150228302A1 Zero Phase Start Estimation in Readback Signals 公开/授权日:2015-08-13
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