DE60038838D1 - Signalverarbeitungsgerät - Google Patents

Signalverarbeitungsgerät

Info

Publication number
DE60038838D1
DE60038838D1 DE60038838T DE60038838T DE60038838D1 DE 60038838 D1 DE60038838 D1 DE 60038838D1 DE 60038838 T DE60038838 T DE 60038838T DE 60038838 T DE60038838 T DE 60038838T DE 60038838 D1 DE60038838 D1 DE 60038838D1
Authority
DE
Germany
Prior art keywords
processing device
signal processing
signal
processing
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
DE60038838T
Other languages
English (en)
Inventor
Haruo Ohta
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE60038838D1 publication Critical patent/DE60038838D1/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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
    • H03M13/41—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
DE60038838T 1999-03-26 2000-03-21 Signalverarbeitungsgerät Expired - Lifetime DE60038838D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP08332199A JP3767238B2 (ja) 1999-03-26 1999-03-26 信号処理装置

Publications (1)

Publication Number Publication Date
DE60038838D1 true DE60038838D1 (de) 2008-06-26

Family

ID=13799171

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60038838T Expired - Lifetime DE60038838D1 (de) 1999-03-26 2000-03-21 Signalverarbeitungsgerät

Country Status (5)

Country Link
US (1) US6614841B1 (de)
EP (1) EP1039463B1 (de)
JP (1) JP3767238B2 (de)
CN (1) CN1182528C (de)
DE (1) DE60038838D1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100331560B1 (ko) * 1999-11-10 2002-04-06 윤종용 비터비 검출기를 구비하는 광 디스크 재생 장치
DE10039666B4 (de) * 2000-08-14 2011-08-11 Rohde & Schwarz GmbH & Co. KG, 81671 Verfahren und Vorrichtung zur Abschätzung der Frequenz und/oder der Phase eines digitalen Signals
CN1151622C (zh) * 2000-12-18 2004-05-26 信息产业部电信传输研究所 基于多径信道能量窗重心跟踪环路的导频信道跟踪方法
JP4098477B2 (ja) * 2001-01-25 2008-06-11 パイオニア株式会社 情報再生装置及びトランスバーサルフィルタ
JP2002230902A (ja) * 2001-01-29 2002-08-16 Sony Corp 適応型等化回路及びそれを用いた再生装置
JP3647761B2 (ja) * 2001-03-07 2005-05-18 富士通株式会社 データ再生方法及びデータ再生装置並びに光磁気ディスク装置
US7215623B2 (en) * 2003-02-26 2007-05-08 Matsushita Electric Industrial Co., Ltd. Reproduction signal processing apparatus
JP4461770B2 (ja) * 2003-10-29 2010-05-12 ソニー株式会社 位相推移装置、ｆｉｒフィルタ、及びタップ係数演算方法
US7545862B2 (en) 2004-02-16 2009-06-09 Sony Corporation Adaptive equalizer, decoding device, and error detecting device
EP1575176A1 (de) * 2004-03-09 2005-09-14 Deutsche Thomson-Brandt Gmbh Anordnung für adaptive Bit-Wiedergewinnung
JP4593959B2 (ja) * 2004-04-09 2010-12-08 ソニー株式会社 適応等化装置及び方法
US7298570B1 (en) 2004-10-27 2007-11-20 Marvell International Ltd. Asymmetry correction in read signal
US7511910B1 (en) 2004-10-27 2009-03-31 Marvell International Ltd. Asymmetry correction in read signal
US7271971B2 (en) * 2004-12-03 2007-09-18 International Business Machines Corporation Dynamically adapting a magnetic tape read channel equalizer
EP1894296B1 (de) * 2005-05-24 2011-04-13 Finisar Corporation Musterabhängiger phasendetektor zur taktwiedergewinnung
US7457355B2 (en) * 2005-05-25 2008-11-25 International Business Machines Corporation Method for an equalizer computation in a media system using a data set separator sequence
US7656945B1 (en) * 2005-10-04 2010-02-02 Pmc-Sierra, Inc. Stabilized digital timing recovery using low-complexity equalizer
US8284645B2 (en) * 2006-02-15 2012-10-09 Panasonic Corporation Cyclic memory and disc device
US8031573B1 (en) 2009-05-01 2011-10-04 Marvell International Ltd. Supplementary timing recovery
CN101841327A (zh) * 2010-03-05 2010-09-22 中兴通讯股份有限公司 一种信号处理系统和方法
CN105281792B (zh) * 2014-07-25 2019-03-12 武汉中兴软件有限责任公司 自适应均衡器系数中心的调整方法及装置
US9705512B1 (en) * 2016-09-20 2017-07-11 Realtek Semiconductor Corporation Self-calibrating fractional-N phase lock loop and method thereof
CN115296964B (zh) * 2022-06-30 2023-12-29 西安空间无线电技术研究所 一种基于残余相位误差补偿的频域均衡系统和方法
CN117743231B (zh) * 2024-02-18 2024-05-03 成都电科星拓科技有限公司 时钟数据恢复电路初始采样位置调整方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4815103A (en) * 1987-10-29 1989-03-21 American Telephone And Telegraph Company Equalizer-based timing recovery
US5263026A (en) * 1991-06-27 1993-11-16 Hughes Aircraft Company Maximum likelihood sequence estimation based equalization within a mobile digital cellular receiver
US5999355A (en) * 1996-04-30 1999-12-07 Cirrus Logic, Inc. Gain and phase constrained adaptive equalizing filter in a sampled amplitude read channel for magnetic recording
JP3404228B2 (ja) * 1996-09-10 2003-05-06 富士通株式会社 クロック位相検出回路
EP0831483B1 (de) * 1996-09-24 2002-08-28 Hewlett-Packard Company, A Delaware Corporation Datenverarbeitungsgerät und -verfahren
KR100244767B1 (ko) * 1997-06-25 2000-02-15 전주범 디지탈 자기 기록/재생 시스템의 선택적 동기/비동기 부분 응답 채널 데이터 검출 장치

Also Published As

Publication number Publication date
EP1039463A3 (de) 2004-01-02
US6614841B1 (en) 2003-09-02
CN1182528C (zh) 2004-12-29
EP1039463A2 (de) 2000-09-27
EP1039463B1 (de) 2008-05-14
CN1269639A (zh) 2000-10-11
JP2000276850A (ja) 2000-10-06
JP3767238B2 (ja) 2006-04-19

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

8364 No opposition during term of opposition