CN1770752A - 用于载频恢复的方法及电路 - Google Patents
用于载频恢复的方法及电路 Download PDFInfo
- Publication number
- CN1770752A CN1770752A CNA2005101069753A CN200510106975A CN1770752A CN 1770752 A CN1770752 A CN 1770752A CN A2005101069753 A CNA2005101069753 A CN A2005101069753A CN 200510106975 A CN200510106975 A CN 200510106975A CN 1770752 A CN1770752 A CN 1770752A
- Authority
- CN
- China
- Prior art keywords
- signal
- phase
- phase error
- carrier wave
- circuit
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000001360 synchronised effect Effects 0.000 claims abstract description 13
- 230000010363 phase shift Effects 0.000 claims abstract description 9
- 238000012937 correction Methods 0.000 claims description 21
- 230000033228 biological regulation Effects 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 230000035945 sensitivity Effects 0.000 claims description 4
- 230000003111 delayed effect Effects 0.000 claims description 3
- 238000013508 migration Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004422 calculation algorithm Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001143 conditioned effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/015—High-definition television systems
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/0805—Details of the phase-locked loop the loop being adapted to provide an additional control signal for use outside the loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0024—Carrier regulation at the receiver end
- H04L2027/0026—Correction of carrier offset
- H04L2027/0032—Correction of carrier offset at baseband and passband
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0046—Open loops
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0053—Closed loops
- H04L2027/0057—Closed loops quadrature phase
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004047424A DE102004047424A1 (de) | 2004-09-28 | 2004-09-28 | Schaltung und Verfahren zur Trägerrückgewinnung |
DE102004047424.9 | 2004-09-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1770752A true CN1770752A (zh) | 2006-05-10 |
CN1770752B CN1770752B (zh) | 2010-12-08 |
Family
ID=35500838
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005101069753A Expired - Fee Related CN1770752B (zh) | 2004-09-28 | 2005-09-27 | 用于载频恢复的方法及电路 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8098769B2 (zh) |
EP (1) | EP1641205B1 (zh) |
JP (1) | JP2006121677A (zh) |
KR (1) | KR100738732B1 (zh) |
CN (1) | CN1770752B (zh) |
DE (2) | DE102004047424A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103021470A (zh) * | 2011-09-21 | 2013-04-03 | 瑞昱半导体股份有限公司 | 取样相位校正方法和使用此取样相位校正方法的储存系统 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004048572A1 (de) * | 2004-10-04 | 2006-04-13 | Micronas Gmbh | Verfahren sowie Schaltungsanordnung zur Unterdrückung einer orthogonalen Störung |
JP2006237819A (ja) * | 2005-02-23 | 2006-09-07 | Nec Corp | 復調装置及びその位相補償方法 |
DE102006017868A1 (de) | 2006-04-13 | 2007-10-18 | Micronas Gmbh | Verfahren und Schaltung zur Trägerregelung in einem Quadraturdemodulator |
US7688918B2 (en) * | 2006-07-07 | 2010-03-30 | Alcatel-Lucent Usa Inc. | Recursive phase estimation for a phase-shift-keying receiver |
KR100901984B1 (ko) * | 2007-12-13 | 2009-06-08 | 한국전자통신연구원 | 위상 천이 보상 기법을 이용한 잔류 주파수 옵셋 보상 장치 |
CN101621335B (zh) * | 2008-07-01 | 2012-05-30 | 富士通株式会社 | 平均长度自适应优化方法和装置 |
US9178541B2 (en) * | 2013-10-24 | 2015-11-03 | Marvell World Trade Ltd. | Cartesian digital power amplifier using coordinate rotation |
EP3217554B1 (en) * | 2016-03-11 | 2019-10-02 | Intel IP Corporation | Apparatuses and methods for compensating phase fluctuations |
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DE3120050A1 (de) | 1981-05-20 | 1982-12-09 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Zf-verstaerker fuer einen mehrnormen-fernsehempfaenger |
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US5828705A (en) * | 1996-02-01 | 1998-10-27 | Kroeger; Brian W. | Carrier tracking technique and apparatus having automatic flywheel/tracking/reacquisition control and extended signal to noise ratio |
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KR100318959B1 (ko) * | 1998-07-07 | 2002-04-22 | 윤종용 | 부호분할다중접속통신시스템의서로다른부호간의간섭을제거하는장치및방법 |
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DE102004048572A1 (de) * | 2004-10-04 | 2006-04-13 | Micronas Gmbh | Verfahren sowie Schaltungsanordnung zur Unterdrückung einer orthogonalen Störung |
DE102004054893A1 (de) * | 2004-11-12 | 2006-05-24 | Micronas Gmbh | Verfahren und Schaltungsanordnung zur Kanalfilterung analog oder digital modulierter TV-Signale |
-
2004
- 2004-09-28 DE DE102004047424A patent/DE102004047424A1/de not_active Ceased
-
2005
- 2005-08-22 EP EP05018145A patent/EP1641205B1/de not_active Not-in-force
- 2005-08-22 DE DE502005010333T patent/DE502005010333D1/de active Active
- 2005-09-22 KR KR1020050088412A patent/KR100738732B1/ko not_active IP Right Cessation
- 2005-09-27 CN CN2005101069753A patent/CN1770752B/zh not_active Expired - Fee Related
- 2005-09-28 US US11/237,611 patent/US8098769B2/en not_active Expired - Fee Related
- 2005-09-28 JP JP2005281570A patent/JP2006121677A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103021470A (zh) * | 2011-09-21 | 2013-04-03 | 瑞昱半导体股份有限公司 | 取样相位校正方法和使用此取样相位校正方法的储存系统 |
CN103021470B (zh) * | 2011-09-21 | 2016-08-03 | 瑞昱半导体股份有限公司 | 取样相位校正方法和使用此取样相位校正方法的储存系统 |
Also Published As
Publication number | Publication date |
---|---|
CN1770752B (zh) | 2010-12-08 |
JP2006121677A (ja) | 2006-05-11 |
US8098769B2 (en) | 2012-01-17 |
KR100738732B1 (ko) | 2007-07-12 |
EP1641205A2 (de) | 2006-03-29 |
US20060067431A1 (en) | 2006-03-30 |
KR20060051544A (ko) | 2006-05-19 |
DE502005010333D1 (de) | 2010-11-18 |
EP1641205B1 (de) | 2010-10-06 |
EP1641205A3 (de) | 2007-10-03 |
DE102004047424A1 (de) | 2006-04-06 |
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C06 | Publication | ||
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: TRIDENT MICROSYSTEMS (FAR EAST) LTD. Free format text: FORMER OWNER: MEIKENAS CO. Effective date: 20101111 |
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Free format text: CORRECT: ADDRESS; FROM: FREIBURG, GERMANY TO: GRAND CAYMAN, CAYMAN ISLANDS (UK) |
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Effective date of registration: 20101111 Address after: Cayman Islands (UK) Grand Cayman Applicant after: Trident Microsystems (Far East) Ltd. Address before: Freiburg Applicant before: Meikenas Co. |
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EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Taiding Media (Shanghai) Co., Ltd. Assignor: Trident Microsystems (Far East) Ltd. Contract record no.: 2011990001012 Denomination of invention: Method and circuit for restoring carrier frequency Granted publication date: 20101208 License type: Exclusive License Open date: 20060510 Record date: 20111028 |
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