CN102893334A - 用于偏移和增益纠正的方法和装置 - Google Patents
用于偏移和增益纠正的方法和装置 Download PDFInfo
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- CN102893334A CN102893334A CN201180023487XA CN201180023487A CN102893334A CN 102893334 A CN102893334 A CN 102893334A CN 201180023487X A CN201180023487X A CN 201180023487XA CN 201180023487 A CN201180023487 A CN 201180023487A CN 102893334 A CN102893334 A CN 102893334A
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10222—Improvement or modification of read or write signals clock-related aspects, e.g. phase or frequency adjustment or bit synchronisation
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
- G11B20/10203—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter baseline correction
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10305—Improvement or modification of read or write signals signal quality assessment
- G11B20/10314—Improvement or modification of read or write signals signal quality assessment amplitude of the recorded or reproduced signal
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10305—Improvement or modification of read or write signals signal quality assessment
- G11B20/10351—Improvement or modification of read or write signals signal quality assessment baseline shift, DC content, bias
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10481—Improvement or modification of read or write signals optimisation methods
- G11B20/10509—Improvement or modification of read or write signals optimisation methods iterative methods, e.g. trial-and-error, interval search, gradient descent or feedback loops
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
- G11B2020/1062—Data buffering arrangements, e.g. recording or playback buffers
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US33319010P | 2010-05-10 | 2010-05-10 | |
US61/333,190 | 2010-05-10 | ||
PCT/US2011/035323 WO2011143040A1 (en) | 2010-05-10 | 2011-05-05 | Method and apparatus for offset and gain correction |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102893334A true CN102893334A (zh) | 2013-01-23 |
CN102893334B CN102893334B (zh) | 2016-04-13 |
Family
ID=44223899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201180023487.XA Expired - Fee Related CN102893334B (zh) | 2010-05-10 | 2011-05-05 | 用于偏移和增益纠正的方法和装置 |
Country Status (4)
Country | Link |
---|---|
US (2) | US8630155B2 (zh) |
EP (1) | EP2569771A1 (zh) |
CN (1) | CN102893334B (zh) |
WO (1) | WO2011143040A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103907155A (zh) * | 2011-09-08 | 2014-07-02 | 马维尔国际贸易有限公司 | 用于偏移和增益校正的方法和装置 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8630155B2 (en) | 2010-05-10 | 2014-01-14 | Marvell World Trade Ltd. | Method and apparatus for offset and gain correction |
US8625218B1 (en) * | 2011-12-22 | 2014-01-07 | Marvell International Ltd. | ACQ in the presence of baseline pop |
JP6703364B2 (ja) * | 2014-04-10 | 2020-06-03 | ザインエレクトロニクス株式会社 | 受信装置 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2119189A (en) * | 1982-02-18 | 1983-11-09 | Sony Corp | Gain control arrangement |
EP0562963A1 (fr) * | 1992-03-27 | 1993-09-29 | Alcatel Telspace | Dispositif de commande de gain dans un récepteur de signaux d'information |
EP0678976A1 (en) * | 1990-04-25 | 1995-10-25 | Btg International Limited | Apparatus and method for reducing distortion in amplification |
CN1312971A (zh) * | 1999-06-14 | 2001-09-12 | 爱特梅尔股份有限公司 | 数字式自动增益控制 |
EP1154428A2 (en) * | 2000-04-28 | 2001-11-14 | Plasmon LMS, Inc. | Enhanced adaptive and selective isi cancellation for a read channel in storage technologies |
CN100508377C (zh) * | 2003-01-22 | 2009-07-01 | 松下电器产业株式会社 | 数字agc电路 |
WO2009155134A2 (en) * | 2008-06-03 | 2009-12-23 | Thomson Licensing Llc | Apparatus and method for determination of signal format |
CN101785061A (zh) * | 2007-06-28 | 2010-07-21 | Lsi公司 | 在垂直磁性读通道中的前馈直流恢复 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3540722C2 (de) * | 1985-11-16 | 1995-06-29 | Daimler Benz Aerospace Ag | Verfahren zur automatischen Pegelregelung |
JPH09320008A (ja) * | 1996-05-31 | 1997-12-12 | Fujitsu Ltd | 磁気ディスク再生装置および該磁気ディスク再生装置の制御方法 |
JP2004234808A (ja) | 2003-02-03 | 2004-08-19 | Matsushita Electric Ind Co Ltd | 光ディスク装置およびオープンループゲイン制御方法 |
JP4141940B2 (ja) | 2003-11-28 | 2008-08-27 | 株式会社東芝 | ディスク装置及びディスク再生方法 |
TWI299490B (en) | 2005-03-17 | 2008-08-01 | Via Tech Inc | Method and device for protecting a servo in reading signals on a defect disc |
JP2009026426A (ja) | 2007-07-23 | 2009-02-05 | Sony Corp | Pll回路、記録装置及びクロック信号生成方法 |
US8072854B1 (en) | 2009-03-04 | 2011-12-06 | Marvell International, Ltd. | Method and apparatus for detecting wobble defects in optical recording system |
US8630155B2 (en) | 2010-05-10 | 2014-01-14 | Marvell World Trade Ltd. | Method and apparatus for offset and gain correction |
-
2011
- 2011-05-05 US US13/101,439 patent/US8630155B2/en active Active
- 2011-05-05 EP EP11724073A patent/EP2569771A1/en active Pending
- 2011-05-05 WO PCT/US2011/035323 patent/WO2011143040A1/en active Application Filing
- 2011-05-05 CN CN201180023487.XA patent/CN102893334B/zh not_active Expired - Fee Related
-
2014
- 2014-01-13 US US14/153,765 patent/US9001631B2/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2119189A (en) * | 1982-02-18 | 1983-11-09 | Sony Corp | Gain control arrangement |
EP0678976A1 (en) * | 1990-04-25 | 1995-10-25 | Btg International Limited | Apparatus and method for reducing distortion in amplification |
EP0562963A1 (fr) * | 1992-03-27 | 1993-09-29 | Alcatel Telspace | Dispositif de commande de gain dans un récepteur de signaux d'information |
CN1312971A (zh) * | 1999-06-14 | 2001-09-12 | 爱特梅尔股份有限公司 | 数字式自动增益控制 |
EP1154428A2 (en) * | 2000-04-28 | 2001-11-14 | Plasmon LMS, Inc. | Enhanced adaptive and selective isi cancellation for a read channel in storage technologies |
CN100508377C (zh) * | 2003-01-22 | 2009-07-01 | 松下电器产业株式会社 | 数字agc电路 |
CN101785061A (zh) * | 2007-06-28 | 2010-07-21 | Lsi公司 | 在垂直磁性读通道中的前馈直流恢复 |
WO2009155134A2 (en) * | 2008-06-03 | 2009-12-23 | Thomson Licensing Llc | Apparatus and method for determination of signal format |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103907155A (zh) * | 2011-09-08 | 2014-07-02 | 马维尔国际贸易有限公司 | 用于偏移和增益校正的方法和装置 |
CN103907155B (zh) * | 2011-09-08 | 2017-05-03 | 马维尔国际贸易有限公司 | 用于偏移和增益校正的方法和装置 |
Also Published As
Publication number | Publication date |
---|---|
US9001631B2 (en) | 2015-04-07 |
EP2569771A1 (en) | 2013-03-20 |
US20140126342A1 (en) | 2014-05-08 |
US8630155B2 (en) | 2014-01-14 |
CN102893334B (zh) | 2016-04-13 |
WO2011143040A1 (en) | 2011-11-17 |
US20110273974A1 (en) | 2011-11-10 |
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Effective date of registration: 20200424 Address after: Singapore City Patentee after: Marvell Asia Pte. Ltd. Address before: Ford street, Grand Cayman, Cayman Islands Patentee before: Kaiwei international Co. Effective date of registration: 20200424 Address after: Ford street, Grand Cayman, Cayman Islands Patentee after: Kaiwei international Co. Address before: Hamilton, Bermuda Patentee before: Marvell International Ltd. Effective date of registration: 20200424 Address after: Hamilton, Bermuda Patentee after: Marvell International Ltd. Address before: Babado J San Mega Le Patentee before: MARVELL WORLD TRADE Ltd. |
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