[go: up one dir, main page]

FR2377729A1 - Dispositif de decodage de signaux numeriques, et systeme comportant un tel dispositif - Google Patents

Dispositif de decodage de signaux numeriques, et systeme comportant un tel dispositif

Info

Publication number
FR2377729A1
FR2377729A1 FR7701067A FR7701067A FR2377729A1 FR 2377729 A1 FR2377729 A1 FR 2377729A1 FR 7701067 A FR7701067 A FR 7701067A FR 7701067 A FR7701067 A FR 7701067A FR 2377729 A1 FR2377729 A1 FR 2377729A1
Authority
FR
France
Prior art keywords
signal
bit
samples
local clock
decoding
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
Application number
FR7701067A
Other languages
English (en)
Other versions
FR2377729B1 (fr
Inventor
Pierre Gauzan
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7701067A priority Critical patent/FR2377729A1/fr
Priority to GB1507/78A priority patent/GB1581086A/en
Priority to DE19782801468 priority patent/DE2801468A1/de
Publication of FR2377729A1 publication Critical patent/FR2377729A1/fr
Priority to US06/076,562 priority patent/US4242755A/en
Application granted granted Critical
Publication of FR2377729B1 publication Critical patent/FR2377729B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/068—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection by sampling faster than the nominal bit rate

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Dc Digital Transmission (AREA)

Abstract

Dispositif permettant le décodage d'un signal binaire en disposant d'une horloge locale de faible précision, par exemple à + 10 %. Il comporte des moyens d'échantillonnage 2 régulier du signal par l'horloge locale 4 en n échantillons par période de bit, des moyens de décodage 3, 4, 5 de la configuration binaire présentée par les échantillons pour obtenir un signal S3 de validation d'un signal d'horloge de bit reconstituée HM et décalée, un signal d'identification bit << 1>> S4 ou bit << 0 >> S5, et un signal de recalage S7 pour préserver le centrage des échantillons lorsque le déphasage de l'horloge locale varie. L'invention s'applique notamment dans le domaine de la transmission de données.
FR7701067A 1977-01-14 1977-01-14 Dispositif de decodage de signaux numeriques, et systeme comportant un tel dispositif Granted FR2377729A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7701067A FR2377729A1 (fr) 1977-01-14 1977-01-14 Dispositif de decodage de signaux numeriques, et systeme comportant un tel dispositif
GB1507/78A GB1581086A (en) 1977-01-14 1978-01-13 Arrangement for decoding digital signals
DE19782801468 DE2801468A1 (de) 1977-01-14 1978-01-13 Dekodierschaltung fuer digitale signale
US06/076,562 US4242755A (en) 1977-01-14 1979-09-18 Circuit arrangement for decoding digital signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7701067A FR2377729A1 (fr) 1977-01-14 1977-01-14 Dispositif de decodage de signaux numeriques, et systeme comportant un tel dispositif

Publications (2)

Publication Number Publication Date
FR2377729A1 true FR2377729A1 (fr) 1978-08-11
FR2377729B1 FR2377729B1 (fr) 1981-12-11

Family

ID=9185516

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7701067A Granted FR2377729A1 (fr) 1977-01-14 1977-01-14 Dispositif de decodage de signaux numeriques, et systeme comportant un tel dispositif

Country Status (4)

Country Link
US (1) US4242755A (fr)
DE (1) DE2801468A1 (fr)
FR (1) FR2377729A1 (fr)
GB (1) GB1581086A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2549322A1 (fr) * 1983-07-11 1985-01-18 Radiotechnique Procede de mise en forme par echantillonnage d'un signal numerique, et dispositif correspondant

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1119943B (it) * 1979-11-05 1986-03-19 Cselt Centro Studi Lab Telecom Ricevitore di segnali mutlifrequenza di tastiera codificati in pcm
US4408226A (en) * 1980-01-11 1983-10-04 Independent Broadcasting Authority Test apparatus for monitoring digital transmissions
US4361895A (en) * 1980-07-28 1982-11-30 Ontel Corporation Manchester decoder
DE3036655A1 (de) * 1980-09-29 1982-05-13 Siemens AG, 1000 Berlin und 8000 München Verfahren zur erkennung von digitalinformation bei einer digitalen informationsuebertragung, insbesondere informationsuebertragung in mobilfunk-kommunikationssystemen
DE3036614A1 (de) * 1980-09-29 1982-05-13 Siemens AG, 1000 Berlin und 8000 München Verfahren zur erkennung von digitalinformation bei einer digitalen informationsuebertragung, insbesondere informationsuebertragung in mobilfunk-kommunikationssystemen
DE3036612A1 (de) * 1980-09-29 1982-05-13 Siemens AG, 1000 Berlin und 8000 München Verfahren zur erkennung von digitalinformation bei einer digitalen informationsuebertragung, insbesondere informationsuebertragung in mobilfunk-kommunikationssystemen
NL8101825A (nl) * 1981-04-14 1982-11-01 Philips Nv Inrichting voor het afvragen en korrigeren van een serieel data-signaal.
GB2098834B (en) * 1981-05-14 1985-02-13 Standard Telephones Cables Ltd Subscribers loop synchronisation
US4395773A (en) * 1981-05-26 1983-07-26 The United States Of America As Represented By The Secretary Of The Navy Apparatus for identifying coded information without internal clock synchronization
JPS5813046A (ja) * 1981-07-17 1983-01-25 Victor Co Of Japan Ltd デ−タ読み取り回路
DE3136461A1 (de) * 1981-09-15 1983-03-31 Siemens AG, 1000 Berlin und 8000 München Verfahren zur gesicherten uebertragung von digitalen signalen
US4412339A (en) * 1981-09-24 1983-10-25 Advanced Micro Devices, Inc. Zero-crossing interpolator to reduce isochronous distortion in a digital FSK modem
US4470148A (en) * 1981-10-30 1984-09-04 Communications Satellite Corporation Satellite-receiver time division multiple-access burst duration and guard space monitor
US4449119A (en) * 1981-12-14 1984-05-15 International Business Machines Corporation Self-clocking serial decoder
US4517683A (en) * 1981-12-31 1985-05-14 Magnavox Consumer Electronics Company Microprocessor controlled system for decoding serial data into parallel data for execution
JPS58145258A (ja) * 1982-02-24 1983-08-30 Hitachi Ltd 受信デ−タ識別回路
US4453259A (en) * 1982-04-20 1984-06-05 Trw Inc. Digital synchronization technique
US4498198A (en) * 1982-09-17 1985-02-05 Westinghouse Electric Corp. Binary signal decoding apparatus and method
US4603322A (en) * 1982-09-27 1986-07-29 Cubic Corporation High-speed sequential serial Manchester decoder
JPS5974756A (ja) * 1982-10-21 1984-04-27 Kokusai Denshin Denwa Co Ltd <Kdd> 信号品質監視装置
US4596024A (en) * 1983-05-23 1986-06-17 At&T Bell Laboratories Data detector using probabalistic information in received signals
US4626670A (en) * 1983-06-16 1986-12-02 Xico, Inc. Method and system for decoding time-varying, two-frequency, coherent-phase data
FR2548490A1 (fr) * 1983-06-30 1985-01-04 Thomson Csf Circuit programmable de transformation serie-parallele d'un signal numerique, et son application a un recepteur de signaux video numeriques
FR2549323B1 (fr) * 1983-07-12 1985-10-25 Lignes Telegraph Telephon Dispositif de synchronisation pour transmission numerique avec trames, et recepteur comportant un tel dispositif
SE440970B (sv) * 1984-01-13 1985-08-26 Ericsson Telefon Ab L M Metod for synkronisering av pulstag i ett digitalt telefonisystem
FR2561055B1 (fr) * 1984-03-09 1986-09-19 Thomson Csf Demodulateur didon et decodeur de donnees comportant un tel demodulateur
EP0171789B1 (fr) * 1984-08-17 1989-08-09 Alcatel Cit Dispositifs de synchronisation de trame
DE3519929A1 (de) * 1985-06-04 1986-12-04 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zur abtastung eines ternaeren signales
JPS6281850A (ja) * 1985-10-04 1987-04-15 Ando Electric Co Ltd 受信デ−タの最小ビツト検出方法
EP0280802B1 (fr) * 1987-03-05 1991-09-25 Hewlett-Packard Limited Génération des signaux de déclechement
US4989221A (en) * 1987-03-30 1991-01-29 Codex Corporation Sample rate converter
US4868569A (en) * 1987-12-15 1989-09-19 Schlumberger Well Services Biphase digital look-ahead demodulating method and apparatus
US4879731A (en) * 1988-08-24 1989-11-07 Ampex Corporation Apparatus and method for sync detection in digital data
US4945533A (en) * 1988-06-23 1990-07-31 Kentrox Industries, Inc. Method and apparatus for transmitting data
GB2225198B (en) * 1988-09-20 1993-05-05 Texas Instruments Ltd Improvements in or relating to digital signal processors
US4984249A (en) * 1989-05-26 1991-01-08 First Pacific Networks Method and apparatus for synchronizing digital data symbols
US5023891A (en) * 1989-07-25 1991-06-11 Sf2 Corporation Method and circuit for decoding a Manchester code signal
US5001756A (en) * 1989-08-11 1991-03-19 Motorola, Inc. Decryption device with variable clock
US5172395A (en) * 1989-08-22 1992-12-15 Cincinnati Electronics Corporation Method of and apparatus for deriving an indication of noise content of data bits
US5073905A (en) * 1989-08-22 1991-12-17 Cincinnati Electronics Corporation Apparatus for and method of synchronizing a local oscillator to a received digital bit stream
US4992790A (en) * 1989-09-19 1991-02-12 Schlumberger Technology Corporation Digital phase-locked loop biphase demodulating method and apparatus
US5168275A (en) * 1990-02-07 1992-12-01 International Business Machines Corporation Method and apparatus for decoding two frequency (f/2f) data signals
JPH03283742A (ja) * 1990-03-30 1991-12-13 Omron Corp 波形整形方法および装置ならびに波形整形のためのしきい値の作成方法および装置
US5127026A (en) * 1990-04-05 1992-06-30 Gazelle Microcircuits, Inc. Circuit and method for extracting clock signal from a serial data stream
JPH0748725B2 (ja) * 1990-07-25 1995-05-24 日本電気株式会社 フレーム同期回路
US5313496A (en) * 1990-12-26 1994-05-17 Trw Inc. Digital demodulator circuit
DE69120244T2 (de) * 1991-03-05 1997-01-23 Alcatel Bell Nv Synchronisierschaltung
US5195110A (en) * 1991-04-01 1993-03-16 Nec America, Inc. Clock recovery and decoder circuit for a CMI-encoded signal
JP3371913B2 (ja) * 1991-09-03 2003-01-27 ソニー株式会社 波形歪補正装置
US5223930A (en) * 1991-10-18 1993-06-29 Zenith Electronics Corporation Data recovery system using dot clock counting
US5373534A (en) * 1992-01-14 1994-12-13 Matsushita Electric Industrial Co., Ltd. Serial data receiving apparatus
US5475616A (en) * 1992-02-19 1995-12-12 Matsushita Graphic Communication Systems, Inc. Data processing apparatus for decoding, converting in size and coding pieces of line data and transmitting the line data to a communication partner
US5255292A (en) * 1992-03-27 1993-10-19 Motorola, Inc. Method and apparatus for modifying a decision-directed clock recovery system
US5671256A (en) * 1992-05-04 1997-09-23 Motorola, Inc. Method for decoding a digital signal
EP0648033B1 (fr) * 1993-10-12 2002-09-25 Alcatel Circuit de synchronisation
KR970002845B1 (ko) * 1993-12-31 1997-03-12 엘지전자 주식회사 디지탈 오디오 신호의 복조장치
US5453603A (en) * 1994-01-04 1995-09-26 Best Lock Corporation Method and apparatus for decoding bi-phase encoded data
DE4408963A1 (de) * 1994-03-16 1995-09-21 Inst Rundfunktechnik Gmbh Verfahren zum Verarbeiten eines seriellen, digitalen Datensignals
FR2725096B1 (fr) * 1994-09-28 1996-12-13 Valeo Electronique Procede d'acquisition et de decodage de donnees numeriques et telecommande radiofrequence le mettant en oeuvre
FR2738701A1 (fr) * 1995-09-13 1997-03-14 Trt Telecom Radio Electr Systeme de transmission a sensibilite au bruit diminuee
DE19545022A1 (de) * 1995-12-02 1997-06-05 Daimler Benz Aerospace Ag Digitales Verfahren zur Detektion zeitlich kurzer Pulse und Anordnung zur Durchführung des Verfahrens
US5889820A (en) * 1996-10-08 1999-03-30 Analog Devices, Inc. SPDIF-AES/EBU digital audio data recovery
US5896422A (en) * 1997-03-06 1999-04-20 Uniden San Diego Research And Development Center, Inc. Method and apparatus for determining the detection threshold for an information signal
JP3006565B2 (ja) * 1997-11-10 2000-02-07 日本ビクター株式会社 ディジタル信号記録装置
DE19843980B4 (de) * 1998-09-24 2004-11-25 Micronas Munich Gmbh Schaltungsanordnung zur Unterdrückung von einem digitalen Signal überlagerten Störimpulsen
US8422568B2 (en) 2004-01-28 2013-04-16 Rambus Inc. Communication channel calibration for drift conditions
US7095789B2 (en) 2004-01-28 2006-08-22 Rambus, Inc. Communication channel calibration for drift conditions

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3335224A (en) * 1963-06-21 1967-08-08 Rca Corp Signal distortion detection by sampling digital diphase signals at twice the bit repetition rate
FR2283592A1 (fr) * 1974-08-27 1976-03-26 Thomson Csf Dispositif extracteur de synchronisation et systeme de transmission d'informations comportant un tel dispositif

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3390233A (en) * 1965-01-08 1968-06-25 Sangamo Electric Co Digital unambiguous control of circuit interrupter means
US3396369A (en) * 1965-01-18 1968-08-06 Sangamo Electric Co Quaternary decision logic system
US3757226A (en) * 1972-01-17 1973-09-04 Collins Radio Co Orse code type signals digital means for improving the signal to noise ratio of repetitive m
GB1486887A (en) * 1973-09-05 1977-09-28 Post Office Telecommunication signal frame alignment arrangements
GB1477174A (en) * 1974-06-18 1977-06-22 Plessey Co Ltd Electrical circuit arrangements responsive to serial digital signals forming multibyte data-words
US3908084A (en) * 1974-10-07 1975-09-23 Bell Telephone Labor Inc High frequency character receiver
US3961138A (en) * 1974-12-18 1976-06-01 North Electric Company Asynchronous bit-serial data receiver
US4012598A (en) * 1976-01-14 1977-03-15 Bell Telephone Laboratories, Incorporated Method and means for pulse receiver synchronization
NL7605275A (nl) * 1976-05-18 1977-11-22 Philips Nv Data-ontvanger met synchroniseer-reeks-detec- tieketen.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3335224A (en) * 1963-06-21 1967-08-08 Rca Corp Signal distortion detection by sampling digital diphase signals at twice the bit repetition rate
FR2283592A1 (fr) * 1974-08-27 1976-03-26 Thomson Csf Dispositif extracteur de synchronisation et systeme de transmission d'informations comportant un tel dispositif

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2549322A1 (fr) * 1983-07-11 1985-01-18 Radiotechnique Procede de mise en forme par echantillonnage d'un signal numerique, et dispositif correspondant

Also Published As

Publication number Publication date
US4242755A (en) 1980-12-30
FR2377729B1 (fr) 1981-12-11
GB1581086A (en) 1980-12-10
DE2801468A1 (de) 1978-07-20

Similar Documents

Publication Publication Date Title
FR2377729A1 (fr) Dispositif de decodage de signaux numeriques, et systeme comportant un tel dispositif
DE3778549D1 (de) Schnelle takterfassung fuer partial-response-signalisierung.
DE69034132D1 (de) Digitale Signalübertragung durch einen Aufzeichnungträger
KR920013945A (ko) 지엠에스케이 신호복조방법 및 그 장치
FR2361776A1 (fr) Appareil decodeur-codeur d&#39;echantillonnage adaptatif et procede de decodage/codage correspondant
DK478488A (da) Fremgangsmaade og/eller apparat til demodulering af et bifasesignal
FR2449373B1 (fr) Dispositif de reception de signaux numeriques
JPS5687237A (en) Optical recording and reproducing or reproducing device
FR2394850A1 (fr) Dispositif de recuperation de donnees numeriques dans des memoires de grande capacite
KR880009502A (ko) 정보 전송 방법 및 그 장치
DK19183A (da) Anlaeg til overfoering af digitale informationssignaler
ES8800542A1 (es) Aparato para decodificar una informacion numerica de codigo nrzi
FR2452829A1 (fr) Procede pour demoduler un signal de donnees code quadriphase et recepteur pour la realisation du procede
JPS6424541A (en) Instrument for measuring phase jitter of analog signal
FR2357004A1 (fr) Dispositif d&#39;echantillonnage et de recuperation de donnees par la methode d&#39;enregistrement a double transition comportant des moyens de retard
EA200100262A1 (ru) Способ и устройство для обработки трехкомпонентных сейсмических данных
DE69318594D1 (de) Übertragungssystem mit einem Empfänger mit verbesserten Taktregenerationsmitteln
ATE130715T1 (de) Binäres datensignalübertragungssystem.
FR2534382B1 (fr) Dispositif de reception de signaux de type tacan
FR2426948A1 (fr) Procede et dispositif de transmission d&#39;information
JPS5750313A (en) Synchronizing circuit of digital signal reproducer
GB1271753A (en) Data transmission system
FR2375654A1 (fr) Circuit de rearrangement des bits d&#39;un mot
FR2335102A1 (fr) Dispositif de decodage d&#39;un message en code biphase differentiel
SU786044A1 (ru) Многоканальное устройство дл передачи и приема цифровой информации

Legal Events

Date Code Title Description
ST Notification of lapse