DK124180A - Fremgangsaade og modtager til demodulering af kvadrufasekodede datasignaler - Google Patents

Fremgangsaade og modtager til demodulering af kvadrufasekodede datasignaler

Info

Publication number
DK124180A
DK124180A DK124180A DK124180A DK124180A DK 124180 A DK124180 A DK 124180A DK 124180 A DK124180 A DK 124180A DK 124180 A DK124180 A DK 124180A DK 124180 A DK124180 A DK 124180A
Authority
DK
Denmark
Prior art keywords
quadrase
demodulation
procedures
receiver
phase
Prior art date
Application number
DK124180A
Other languages
Danish (da)
English (en)
Inventor
F D Jager
R A V Doorn
J J Verboom
M G Carasso
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of DK124180A publication Critical patent/DK124180A/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4906—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes
    • H04L25/4908—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes using mBnB codes

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Dc Digital Transmission (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DK124180A 1979-03-26 1980-03-21 Fremgangsaade og modtager til demodulering af kvadrufasekodede datasignaler DK124180A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7902341A NL7902341A (nl) 1979-03-26 1979-03-26 Werkwijze voor het demoduleren van de quadphase geco- deerd datasignaal en ontvanger voor het uitvoeren van de werkwijze.

Publications (1)

Publication Number Publication Date
DK124180A true DK124180A (da) 1980-09-27

Family

ID=19832864

Family Applications (1)

Application Number Title Priority Date Filing Date
DK124180A DK124180A (da) 1979-03-26 1980-03-21 Fremgangsaade og modtager til demodulering af kvadrufasekodede datasignaler

Country Status (15)

Country Link
US (1) US4292593A (de)
JP (1) JPS55132160A (de)
AU (1) AU5672280A (de)
BE (1) BE882401A (de)
CA (1) CA1137571A (de)
DE (1) DE3011439C2 (de)
DK (1) DK124180A (de)
ES (1) ES8103897A1 (de)
FR (1) FR2452829B1 (de)
GB (1) GB2047051B (de)
IT (1) IT1131034B (de)
NL (1) NL7902341A (de)
NO (1) NO800839L (de)
SE (1) SE8002225L (de)
ZA (1) ZA80884B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8006165A (nl) * 1980-11-12 1982-06-01 Philips Nv Systeem voor het overdragen van digitale informatie, codeerinrichting voor toepassing in dat systeem, decodeerinrichting voor toepassing in dat systeem en registratiedrager voor toepassing in dat systeem.
US4370748A (en) * 1981-01-05 1983-01-25 Motorola, Inc. Apparatus and method for detecting the presence of a pulsed radio frequency signal
FR2526616A1 (fr) * 1982-02-11 1983-11-10 Cit Alcatel Procede de transmission synchrone de donnees et dispositifs pour sa mise en oeuvre
US4484143A (en) * 1982-05-17 1984-11-20 Rockwell International Corporation CCD Demodulator circuit
FR2536610A1 (fr) * 1982-11-23 1984-05-25 Cit Alcatel Equipement de transmission synchrone de donnees
US4573166A (en) * 1983-06-24 1986-02-25 Wolfdata, Inc. Digital modem with plural microprocessors
GB2171277B (en) * 1985-02-06 1988-11-02 Plessey Co Plc Decoding method and apparatus for biphase coded signals
DE4301341C1 (de) * 1993-01-20 1993-10-21 Honeywell Elac Nautik Gmbh Verfahren und Schaltungsanordnung zum Bestimmen des zeitlichen Anfangs eines Impulssignals
JP4540652B2 (ja) * 2006-10-18 2010-09-08 株式会社イシダ 符号化装置
EP2053815A1 (de) * 2006-10-18 2009-04-29 Ishida Co., Ltd. Kodierungsvorrichtung, pulserzeugungsvorrichtung und kommunikationssystem damit
JP4647583B2 (ja) * 2006-12-13 2011-03-09 株式会社イシダ パルス再生装置及び通信システム

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7004875A (de) * 1970-04-04 1971-10-06
JPS50157047A (de) * 1974-06-08 1975-12-18
JPS535513A (en) * 1976-07-05 1978-01-19 Kokusai Denshin Denwa Co Ltd Encoding system

Also Published As

Publication number Publication date
JPS55132160A (en) 1980-10-14
GB2047051A (en) 1980-11-19
SE8002225L (sv) 1980-09-27
CA1137571A (en) 1982-12-14
NO800839L (no) 1980-09-29
DE3011439C2 (de) 1985-11-21
FR2452829A1 (fr) 1980-10-24
JPS6324340B2 (de) 1988-05-20
US4292593A (en) 1981-09-29
NL7902341A (nl) 1980-09-30
IT8020847A0 (it) 1980-03-21
ES489852A0 (es) 1981-03-16
FR2452829B1 (fr) 1988-08-12
ZA80884B (en) 1981-09-30
IT1131034B (it) 1986-06-18
GB2047051B (en) 1983-06-15
AU5672280A (en) 1980-10-02
ES8103897A1 (es) 1981-03-16
DE3011439A1 (de) 1980-10-09
BE882401A (fr) 1980-09-24

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