CN103907155B - 用于偏移和增益校正的方法和装置 - Google Patents
用于偏移和增益校正的方法和装置 Download PDFInfo
- Publication number
- CN103907155B CN103907155B CN201280051618.XA CN201280051618A CN103907155B CN 103907155 B CN103907155 B CN 103907155B CN 201280051618 A CN201280051618 A CN 201280051618A CN 103907155 B CN103907155 B CN 103907155B
- Authority
- CN
- China
- Prior art keywords
- data sampling
- gain
- profile variations
- time delay
- sampling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
-
- 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
- G11B20/10037—A/D conversion, D/A conversion, sampling, slicing and digital quantisation or adjusting parameters thereof
-
- 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
- G11B20/10222—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
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0079—Receiver details
- H04L7/0087—Preprocessing of received signal for synchronisation, e.g. by code conversion, pulse generation or edge detection
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Control Of Amplification And Gain Control (AREA)
Abstract
Description
Claims (18)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161532483P | 2011-09-08 | 2011-09-08 | |
US61/532,483 | 2011-09-08 | ||
PCT/US2012/052664 WO2013036401A1 (en) | 2011-09-08 | 2012-08-28 | Method and apparatus for offset and gain correction |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103907155A CN103907155A (zh) | 2014-07-02 |
CN103907155B true CN103907155B (zh) | 2017-05-03 |
Family
ID=47008667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201280051618.XA Expired - Fee Related CN103907155B (zh) | 2011-09-08 | 2012-08-28 | 用于偏移和增益校正的方法和装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8687471B2 (zh) |
EP (1) | EP2754153A1 (zh) |
CN (1) | CN103907155B (zh) |
WO (1) | WO2013036401A1 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN109916837B (zh) * | 2019-03-22 | 2021-08-17 | 中煤科工集团重庆研究院有限公司 | 采样时延分布式多点激光甲烷检测系统及方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1518212A (zh) * | 2003-01-22 | 2004-08-04 | 松下电器产业株式会社 | 数字agc电路 |
CN102893334A (zh) * | 2010-05-10 | 2013-01-23 | 马维尔国际贸易有限公司 | 用于偏移和增益纠正的方法和装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58142614A (ja) | 1982-02-18 | 1983-08-24 | Sony Corp | 利得制御装置 |
DE3540722C2 (de) | 1985-11-16 | 1995-06-29 | Daimler Benz Aerospace Ag | Verfahren zur automatischen Pegelregelung |
FR2689348B1 (fr) | 1992-03-27 | 1994-05-06 | Alcatel Telspace | Dispositif de commande de gain dans un recepteur de signaux d'information. |
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 |
US6205103B1 (en) | 1998-06-30 | 2001-03-20 | Plasmon Lms, Inc. | Enhanced adaptive and selective ISI cancellation for a read channel in storage technologies |
US7167516B1 (en) * | 2000-05-17 | 2007-01-23 | Marvell International Ltd. | Circuit and method for finding the sampling phase and canceling precursor intersymbol interference in a decision feedback equalized receiver |
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 |
US7447262B2 (en) * | 2005-05-12 | 2008-11-04 | Rdc Semiconductor Co., Ltd. | Adaptive blind start-up receiver architecture with fractional baud rate sampling for full-duplex multi-level PAM systems |
US7602567B2 (en) | 2007-06-28 | 2009-10-13 | Lsi Corporation | Feed-forward DC restoration in a perpendicular magnetic read channel |
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 |
-
2012
- 2012-08-28 EP EP12770308.0A patent/EP2754153A1/en not_active Withdrawn
- 2012-08-28 US US13/596,487 patent/US8687471B2/en active Active
- 2012-08-28 WO PCT/US2012/052664 patent/WO2013036401A1/en unknown
- 2012-08-28 CN CN201280051618.XA patent/CN103907155B/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1518212A (zh) * | 2003-01-22 | 2004-08-04 | 松下电器产业株式会社 | 数字agc电路 |
CN102893334A (zh) * | 2010-05-10 | 2013-01-23 | 马维尔国际贸易有限公司 | 用于偏移和增益纠正的方法和装置 |
Also Published As
Publication number | Publication date |
---|---|
CN103907155A (zh) | 2014-07-02 |
US8687471B2 (en) | 2014-04-01 |
EP2754153A1 (en) | 2014-07-16 |
US20120320723A1 (en) | 2012-12-20 |
WO2013036401A1 (en) | 2013-03-14 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
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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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170503 Termination date: 20200828 |