JP3820144B2 - 信号評価装置および信号評価方法 - Google Patents

信号評価装置および信号評価方法 Download PDF

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JP3820144B2
JP3820144B2 JP2001378485A JP2001378485A JP3820144B2 JP 3820144 B2 JP3820144 B2 JP 3820144B2 JP 2001378485 A JP2001378485 A JP 2001378485A JP 2001378485 A JP2001378485 A JP 2001378485A JP 3820144 B2 JP3820144 B2 JP 3820144B2
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Japan
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signal
relative frequency
value
relative
frequency
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JP2001378485A
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Japanese (ja)
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JP2003178537A5 (enExample
JP2003178537A (ja
Inventor
哲也 奥村
淳 秋山
将徳 潮田
茂己 前田
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Sharp Corp
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Sharp Corp
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Priority to JP2001378485A priority Critical patent/JP3820144B2/ja
Priority to DE60233092T priority patent/DE60233092D1/de
Priority to US10/154,898 priority patent/US7206351B2/en
Priority to EP02011480A priority patent/EP1262971B1/en
Priority to KR10-2002-0029686A priority patent/KR100527153B1/ko
Publication of JP2003178537A publication Critical patent/JP2003178537A/ja
Publication of JP2003178537A5 publication Critical patent/JP2003178537A5/ja
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Publication of JP3820144B2 publication Critical patent/JP3820144B2/ja
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  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Error Detection And Correction (AREA)
JP2001378485A 2001-05-28 2001-12-12 信号評価装置および信号評価方法 Expired - Fee Related JP3820144B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2001378485A JP3820144B2 (ja) 2001-12-12 2001-12-12 信号評価装置および信号評価方法
DE60233092T DE60233092D1 (de) 2001-05-28 2002-05-24 Schätzung der BER in einem optischen Plattendecoder aufgrund der Anzahl von Signalen, die nach PRML Detektion eine Wahrscheinlichkeit unter einer Schwelle haben.
US10/154,898 US7206351B2 (en) 2001-05-28 2002-05-24 Signal evaluation devices and signal evaluation methods, signal quality evaluation methods and reproducing devices and recording devices
EP02011480A EP1262971B1 (en) 2001-05-28 2002-05-24 BER evaluation in an optical disk decoder by counting a number of signals after PRML having a likelihood below a threshold.
KR10-2002-0029686A KR100527153B1 (ko) 2001-05-28 2002-05-28 신호평가장치, 신호평가방법, 신호품질평가방법 및재생장치, 기록장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001378485A JP3820144B2 (ja) 2001-12-12 2001-12-12 信号評価装置および信号評価方法

Publications (3)

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JP2003178537A JP2003178537A (ja) 2003-06-27
JP2003178537A5 JP2003178537A5 (enExample) 2005-04-28
JP3820144B2 true JP3820144B2 (ja) 2006-09-13

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JP2001378485A Expired - Fee Related JP3820144B2 (ja) 2001-05-28 2001-12-12 信号評価装置および信号評価方法

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4622632B2 (ja) 2005-03-31 2011-02-02 ソニー株式会社 最尤復号装置、信号評価方法、再生装置
JP4750488B2 (ja) 2005-07-08 2011-08-17 ソニー株式会社 評価装置、再生装置、評価方法
JP5003284B2 (ja) * 2007-05-24 2012-08-15 日本電気株式会社 信号品質測定装置及び情報再生装置
JP6995629B2 (ja) * 2018-01-05 2022-01-14 日本電信電話株式会社 演算回路

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