CN101647203B - 介质缺陷检测系统及方法 - Google Patents

介质缺陷检测系统及方法 Download PDF

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Publication number
CN101647203B
CN101647203B CN200780052585.XA CN200780052585A CN101647203B CN 101647203 B CN101647203 B CN 101647203B CN 200780052585 A CN200780052585 A CN 200780052585A CN 101647203 B CN101647203 B CN 101647203B
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CN
China
Prior art keywords
data
soft
defect
detector
threshold
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Expired - Fee Related
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CN200780052585.XA
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Chinese (zh)
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CN101647203A (zh
Inventor
谭卫军
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Avago Technologies International Sales Pte Ltd
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Agere Systems LLC
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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
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0751—Error or fault detection not based on redundancy
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • 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
    • G11B20/1816—Testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0047—Decoding adapted to other signal detection operation
    • H04L1/005—Iterative decoding, including iteration between signal detection and decoding operation
    • H04L1/0051—Stopping criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0055—MAP-decoding

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
CN200780052585.XA 2007-10-01 2007-10-01 介质缺陷检测系统及方法 Expired - Fee Related CN101647203B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2007/080043 WO2009045203A1 (en) 2007-10-01 2007-10-01 Systems and methods for media defect detection

Publications (2)

Publication Number Publication Date
CN101647203A CN101647203A (zh) 2010-02-10
CN101647203B true CN101647203B (zh) 2014-07-09

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Country Status (7)

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US (2) US8453039B2 (enExample)
EP (1) EP2168246A4 (enExample)
JP (1) JP2010541120A (enExample)
KR (1) KR101361598B1 (enExample)
CN (1) CN101647203B (enExample)
TW (1) TWI427625B (enExample)
WO (1) WO2009045203A1 (enExample)

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Also Published As

Publication number Publication date
US8453039B2 (en) 2013-05-28
EP2168246A4 (en) 2013-06-05
US8843813B2 (en) 2014-09-23
US20100042877A1 (en) 2010-02-18
KR101361598B1 (ko) 2014-02-12
TWI427625B (zh) 2014-02-21
WO2009045203A1 (en) 2009-04-09
US20130305129A1 (en) 2013-11-14
JP2010541120A (ja) 2010-12-24
EP2168246A1 (en) 2010-03-31
CN101647203A (zh) 2010-02-10
TW200917237A (en) 2009-04-16
KR20100057757A (ko) 2010-06-01

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