TWI441488B - 低等侯時間基線-偏離補償系統與方法 - Google Patents
低等侯時間基線-偏離補償系統與方法 Download PDFInfo
- Publication number
- TWI441488B TWI441488B TW096106322A TW96106322A TWI441488B TW I441488 B TWI441488 B TW I441488B TW 096106322 A TW096106322 A TW 096106322A TW 96106322 A TW96106322 A TW 96106322A TW I441488 B TWI441488 B TW I441488B
- Authority
- TW
- Taiwan
- Prior art keywords
- baseline deviation
- baseline
- estimate
- candidate data
- phase
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 69
- 230000015654 memory Effects 0.000 claims description 102
- 238000012545 processing Methods 0.000 claims description 35
- 238000005259 measurement Methods 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 5
- 230000003044 adaptive effect Effects 0.000 claims 1
- 230000004083 survival effect Effects 0.000 description 30
- 230000004044 response Effects 0.000 description 27
- 238000003860 storage Methods 0.000 description 24
- 238000013500 data storage Methods 0.000 description 18
- 238000004891 communication Methods 0.000 description 17
- 238000004364 calculation method Methods 0.000 description 16
- 230000008878 coupling Effects 0.000 description 15
- 238000010168 coupling process Methods 0.000 description 15
- 238000005859 coupling reaction Methods 0.000 description 15
- 230000006870 function Effects 0.000 description 12
- 230000001413 cellular effect Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 230000003287 optical effect Effects 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 8
- 238000004422 calculation algorithm Methods 0.000 description 6
- 230000009466 transformation Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000819 phase cycle Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 208000024780 Urticaria Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
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
- G11B20/10268—Improvement or modification of read or write signals bit detection or demodulation methods
- G11B20/10287—Improvement or modification of read or write signals bit detection or demodulation methods using probabilistic methods, e.g. maximum likelihood detectors
- G11B20/10296—Improvement or modification of read or write signals bit detection or demodulation methods using probabilistic methods, e.g. maximum likelihood detectors using the Viterbi algorithm
-
- 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
-
- 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)
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Error Detection And Correction (AREA)
- Dc Digital Transmission (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US77516006P | 2006-02-21 | 2006-02-21 | |
| US79038806P | 2006-04-07 | 2006-04-07 | |
| US11/520,531 US7974366B2 (en) | 2006-02-21 | 2006-09-12 | Low-latency baseline-wander compensation systems and methods |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200742361A TW200742361A (en) | 2007-11-01 |
| TWI441488B true TWI441488B (zh) | 2014-06-11 |
Family
ID=38181145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW096106322A TWI441488B (zh) | 2006-02-21 | 2007-02-16 | 低等侯時間基線-偏離補償系統與方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7974366B2 (enExample) |
| EP (1) | EP1833052B1 (enExample) |
| JP (1) | JP5010938B2 (enExample) |
| CN (1) | CN101047676B (enExample) |
| SG (1) | SG135118A1 (enExample) |
| TW (1) | TWI441488B (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8441753B2 (en) * | 2008-09-19 | 2013-05-14 | Agere Systems Inc. | Systems and methods for reducing low frequency loss in a magnetic storage device |
| CN102480292A (zh) * | 2010-11-25 | 2012-05-30 | 承景科技股份有限公司 | 基线漂移校正系统及方法 |
| CN102386889B (zh) * | 2011-09-29 | 2015-08-19 | 深圳Tcl新技术有限公司 | 基线漂移去除方法、装置及中值滤波器 |
| US8902530B1 (en) * | 2012-03-30 | 2014-12-02 | Sk Hynix Memory Solutions Inc. | Decision directed and non-decision directed low frequency noise cancelation in turbo detection |
| US20160278655A1 (en) * | 2013-11-08 | 2016-09-29 | Koninklijke Philips N.V. | Ecg high pass filter |
| CN104776869B (zh) * | 2014-01-10 | 2019-01-22 | 深圳迈瑞生物医疗电子股份有限公司 | 一种光信号的解调方法、装置 |
| CN108259067A (zh) * | 2016-12-29 | 2018-07-06 | 深圳市中兴微电子技术有限公司 | 一种自适应判决反馈均衡的方法和装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2877109B2 (ja) * | 1996-12-12 | 1999-03-31 | 日本電気株式会社 | 情報検出装置および情報検出方法 |
| US6563892B1 (en) * | 1999-06-15 | 2003-05-13 | Telefonaktiebolaget Lm Ericsson | Method and system for detection of binary information in the presence of slowly varying disturbances |
| US6449320B1 (en) * | 1999-07-02 | 2002-09-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Equalization with DC-offset compensation |
| 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 |
| AU2002254531A1 (en) * | 2001-12-07 | 2003-06-23 | Seagate Technology Llc | Method and apparatus for preprocessing low frequencies in perpendicular recording |
| US7167327B2 (en) | 2003-01-06 | 2007-01-23 | Agere Systems Inc. | Integrated circuit and method for remodulating bits and hard disk drive incorporating the same |
| US7165211B2 (en) * | 2004-09-20 | 2007-01-16 | Guzik Technical Enterprises | Viterbi decoder with direct current restoration |
| KR20060031077A (ko) * | 2004-10-07 | 2006-04-12 | 삼성전자주식회사 | 연선을 이용하는 이더넷 수신기의 디지털 신호 처리 장치 |
-
2006
- 2006-09-12 US US11/520,531 patent/US7974366B2/en active Active
-
2007
- 2007-02-16 SG SG200701060-6A patent/SG135118A1/en unknown
- 2007-02-16 TW TW096106322A patent/TWI441488B/zh not_active IP Right Cessation
- 2007-02-19 JP JP2007037771A patent/JP5010938B2/ja not_active Expired - Fee Related
- 2007-02-21 EP EP07003582.9A patent/EP1833052B1/en not_active Not-in-force
- 2007-02-25 CN CN200710100616.6A patent/CN101047676B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| TW200742361A (en) | 2007-11-01 |
| JP2007299509A (ja) | 2007-11-15 |
| US20070195912A1 (en) | 2007-08-23 |
| CN101047676A (zh) | 2007-10-03 |
| US7974366B2 (en) | 2011-07-05 |
| JP5010938B2 (ja) | 2012-08-29 |
| SG135118A1 (en) | 2007-09-28 |
| CN101047676B (zh) | 2015-02-11 |
| EP1833052A1 (en) | 2007-09-12 |
| EP1833052B1 (en) | 2013-04-10 |
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| Date | Code | Title | Description |
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| MM4A | Annulment or lapse of patent due to non-payment of fees |