JPS5323649B2 - - Google Patents

Info

Publication number
JPS5323649B2
JPS5323649B2 JP7890371A JP7890371A JPS5323649B2 JP S5323649 B2 JPS5323649 B2 JP S5323649B2 JP 7890371 A JP7890371 A JP 7890371A JP 7890371 A JP7890371 A JP 7890371A JP S5323649 B2 JPS5323649 B2 JP S5323649B2
Authority
JP
Japan
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.)
Expired
Application number
JP7890371A
Other versions
JPS4843859A (ja
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 filed Critical
Priority to JP7890371A priority Critical patent/JPS5323649B2/ja
Priority to US00293188A priority patent/US3815034A/en
Priority to CA153,371A priority patent/CA983183A/en
Priority to IT30134/72A priority patent/IT968665B/it
Priority to FR7235516A priority patent/FR2155639A5/fr
Publication of JPS4843859A publication Critical patent/JPS4843859A/ja
Publication of JPS5323649B2 publication Critical patent/JPS5323649B2/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
    • H04L27/2273—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/046—Speed or phase control by synchronisation signals using special codes as synchronising signal using a dotting sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Radio Relay Systems (AREA)
JP7890371A 1971-10-06 1971-10-06 Expired JPS5323649B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP7890371A JPS5323649B2 (ja) 1971-10-06 1971-10-06
US00293188A US3815034A (en) 1971-10-06 1972-09-28 Demodulator for phase-modulated carrier waves
CA153,371A CA983183A (en) 1971-10-06 1972-10-05 Demodulator for phase-modulated carrier waves
IT30134/72A IT968665B (it) 1971-10-06 1972-10-05 Demodulatore per onde portanti modulate in fase
FR7235516A FR2155639A5 (ja) 1971-10-06 1972-10-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7890371A JPS5323649B2 (ja) 1971-10-06 1971-10-06

Publications (2)

Publication Number Publication Date
JPS4843859A JPS4843859A (ja) 1973-06-25
JPS5323649B2 true JPS5323649B2 (ja) 1978-07-15

Family

ID=13674772

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7890371A Expired JPS5323649B2 (ja) 1971-10-06 1971-10-06

Country Status (5)

Country Link
US (1) US3815034A (ja)
JP (1) JPS5323649B2 (ja)
CA (1) CA983183A (ja)
FR (1) FR2155639A5 (ja)
IT (1) IT968665B (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5745084B2 (ja) * 1972-12-28 1982-09-25
US3984777A (en) * 1973-04-20 1976-10-05 Nippon Electric Company, Ltd. Carrier wave reproducer device for use in the reception of a multi-phase phase-modulated wave
US4088957A (en) * 1977-01-17 1978-05-09 Rockwell International Corporation Method and apparatus for synchronously detecting a differentially encoded carrier signal
US4281412A (en) * 1979-07-05 1981-07-28 Cincinnati Electronics Corporation Method of and apparatus for transmitting and recovering offset QPSK modulated data
DE3851424T2 (de) * 1987-12-24 1995-01-19 Nippon Electric Co Trägerrückgewinnungsschaltung eines Demodulators für verschobene quaternäre Phasenumtastung.
RU2278476C2 (ru) * 1991-05-20 2006-06-20 Федеральное государственноое унитарное предприятие "Нижегородский научно-исследовательский институт радиотехники" Приемник радиосигналов относительной фазовой модуляции
DE19529982A1 (de) * 1995-08-16 1997-02-20 Bosch Gmbh Robert Verfahren zur Synchronisation
SE517930C2 (sv) * 1997-01-31 2002-08-06 Ericsson Telefon Ab L M Förfarande och anordning för initial synkronisering i ett kommunikationssystem
US6606357B1 (en) 1999-09-10 2003-08-12 Harris Corporation Carrier injecting waveform-based modulation scheme for reducing satellite transponder power requirements and earth terminal antenna size

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3294907A (en) * 1963-10-03 1966-12-27 Collins Radio Co Synchronizing signal deriving means
US3417333A (en) * 1965-06-22 1968-12-17 Rca Corp Error corrector for diphase modulation receiver
US3588349A (en) * 1967-12-08 1971-06-28 Kokusai Denshin Denwa Co Ltd Demodulation apparatus of a phase-modulated telegraphic wave or waves
US3697881A (en) * 1969-07-10 1972-10-10 Kokusai Denshin Denwa Co Ltd Phase detection system for at least one digital phase-modulated wave
US3594651A (en) * 1969-10-15 1971-07-20 Communications Satellite Corp Quadriphase modem
GB1335211A (en) * 1970-01-14 1973-10-24 Plessey Co Ltd Demodulation systems

Also Published As

Publication number Publication date
FR2155639A5 (ja) 1973-05-18
IT968665B (it) 1974-03-20
JPS4843859A (ja) 1973-06-25
CA983183A (en) 1976-02-03
US3815034A (en) 1974-06-04

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