DE602004002406D1 - Partiell-digital-Ansprechen Asymmetriekompensation für einen HF Signal. - Google Patents

Partiell-digital-Ansprechen Asymmetriekompensation für einen HF Signal.

Info

Publication number
DE602004002406D1
DE602004002406D1 DE602004002406T DE602004002406T DE602004002406D1 DE 602004002406 D1 DE602004002406 D1 DE 602004002406D1 DE 602004002406 T DE602004002406 T DE 602004002406T DE 602004002406 T DE602004002406 T DE 602004002406T DE 602004002406 D1 DE602004002406 D1 DE 602004002406D1
Authority
DE
Germany
Prior art keywords
partial
signal
digital response
asymmetry compensation
response asymmetry
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 - Lifetime
Application number
DE602004002406T
Other languages
English (en)
Other versions
DE602004002406T2 (de
Inventor
Qilong Feng
Marten Kabutz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of DE602004002406D1 publication Critical patent/DE602004002406D1/de
Application granted granted Critical
Publication of DE602004002406T2 publication Critical patent/DE602004002406T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
    • G11B20/10212—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter compensation for data shift, e.g. pulse-crowding effects
    • 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
    • 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
    • G11B20/10324—Improvement or modification of read or write signals signal quality assessment asymmetry of the recorded or reproduced waveform
    • 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
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
    • G11B2020/1288—Formatting by padding empty spaces with dummy data, e.g. writing zeroes or random data when de-icing optical discs
    • 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
    • G11B2220/2541—Blu-ray discs; Blue laser DVR discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24073—Tracks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Dc Digital Transmission (AREA)
DE602004002406T 2003-05-27 2004-05-15 Partiell-digital-Ansprechen Asymmetriekompensation für einen HF Signal. Expired - Lifetime DE602004002406T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03011891 2003-05-27
EP03011891 2003-05-27
PCT/EP2004/005245 WO2004107325A2 (en) 2003-05-27 2004-05-15 Rf signal digital partial response asymmetry compensation

Publications (2)

Publication Number Publication Date
DE602004002406D1 true DE602004002406D1 (de) 2006-10-26
DE602004002406T2 DE602004002406T2 (de) 2007-03-08

Family

ID=33483890

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004002406T Expired - Lifetime DE602004002406T2 (de) 2003-05-27 2004-05-15 Partiell-digital-Ansprechen Asymmetriekompensation für einen HF Signal.

Country Status (7)

Country Link
US (1) US9082455B2 (de)
EP (1) EP1629483B1 (de)
JP (1) JP2007505438A (de)
KR (1) KR101044767B1 (de)
CN (1) CN100456379C (de)
DE (1) DE602004002406T2 (de)
WO (1) WO2004107325A2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2917179B1 (fr) * 2007-06-08 2010-05-14 Thales Sa Procede et dispositif de determination de l'angle de relevement dans un systeme de radionavigation
US11018656B1 (en) * 2019-11-21 2021-05-25 Credo Technology Group Limited Multi-function level finder for serdes

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1356242A1 (ru) 1986-05-08 1987-11-30 Предприятие П/Я М-5308 Устройство дл контрол канала св зи тональной частоты
JP3088844B2 (ja) 1992-06-03 2000-09-18 パイオニア株式会社 ディジタル信号再生装置
JP3342986B2 (ja) * 1995-06-15 2002-11-11 パイオニア株式会社 ビタビ復号器
JP3849227B2 (ja) 1997-05-21 2006-11-22 ソニー株式会社 情報再生装置および再生方法
KR100263903B1 (ko) 1997-11-10 2000-10-02 윤종용 광 디스크 재생 시스템의 어시메트리 보정 장치 및 방법
JP2000013748A (ja) * 1998-06-22 2000-01-14 Sharp Corp 磁気記録再生装置
KR100532403B1 (ko) * 1998-07-16 2005-11-30 삼성전자주식회사 광디스크 재생 시스템의 데이터 복원장치 및 비대칭 보정장치
JP3428499B2 (ja) 1999-06-01 2003-07-22 日本ビクター株式会社 ディジタル信号再生装置
KR100530167B1 (ko) * 1999-10-29 2005-11-22 마츠시타 덴끼 산교 가부시키가이샤 광 디스크의 재생장치 및 재생방법
US6807134B2 (en) * 1999-12-28 2004-10-19 Matsushita Electric Industrial Co., Ltd. Asymmetry detection apparatus, jitter detection apparatus, and recording/reproduction apparatus
KR100708070B1 (ko) * 2000-01-10 2007-04-17 삼성전자주식회사 데이터 검출기에서 사용되는 결정 레벨을 조정하여 검출성능을 높이는 데이터 재생 장치 및 방법
US6557126B1 (en) * 2000-01-31 2003-04-29 Oak Technology, Inc. Method and apparatus for calibrating write power
JP3956570B2 (ja) 2000-03-06 2007-08-08 日本ビクター株式会社 情報再生装置及び再生方法
KR100755833B1 (ko) * 2001-01-06 2007-09-07 엘지전자 주식회사 광 기록 재생기의 등화 방법 및 장치
JP3750555B2 (ja) 2001-04-17 2006-03-01 ソニー株式会社 アシンメトリ補正回路およびそれを用いた情報再生装置

Also Published As

Publication number Publication date
EP1629483B1 (de) 2006-09-13
WO2004107325A2 (en) 2004-12-09
KR20060015620A (ko) 2006-02-17
KR101044767B1 (ko) 2011-06-29
JP2007505438A (ja) 2007-03-08
US20070070865A1 (en) 2007-03-29
EP1629483A2 (de) 2006-03-01
CN1795504A (zh) 2006-06-28
US9082455B2 (en) 2015-07-14
DE602004002406T2 (de) 2007-03-08
CN100456379C (zh) 2009-01-28
WO2004107325A3 (en) 2005-02-10

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition