BE813405A - Correcteur automatique de frequence pour demodulateur de phase differentielle - Google Patents

Correcteur automatique de frequence pour demodulateur de phase differentielle

Info

Publication number
BE813405A
BE813405A BE1005859A BE1005859A BE813405A BE 813405 A BE813405 A BE 813405A BE 1005859 A BE1005859 A BE 1005859A BE 1005859 A BE1005859 A BE 1005859A BE 813405 A BE813405 A BE 813405A
Authority
BE
Belgium
Prior art keywords
differential phase
automatic frequency
phase demodulator
frequency corrector
corrector
Prior art date
Application number
BE1005859A
Other languages
English (en)
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
Publication of BE813405A publication Critical patent/BE813405A/fr

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
BE1005859A 1973-04-20 1974-04-08 Correcteur automatique de frequence pour demodulateur de phase differentielle BE813405A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7314506A FR2226778B1 (fr) 1973-04-20 1973-04-20

Publications (1)

Publication Number Publication Date
BE813405A true BE813405A (fr) 1974-10-08

Family

ID=9118309

Family Applications (1)

Application Number Title Priority Date Filing Date
BE1005859A BE813405A (fr) 1973-04-20 1974-04-08 Correcteur automatique de frequence pour demodulateur de phase differentielle

Country Status (12)

Country Link
US (1) US3919653A (fr)
JP (1) JPS5048866A (fr)
BE (1) BE813405A (fr)
CA (1) CA1038460A (fr)
DE (1) DE2416714A1 (fr)
FR (1) FR2226778B1 (fr)
GB (1) GB1432912A (fr)
IE (1) IE39112B1 (fr)
IT (1) IT1014589B (fr)
LU (1) LU69827A1 (fr)
NL (1) NL7405291A (fr)
SE (1) SE393502B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4121050A (en) * 1977-02-02 1978-10-17 The United States Of America As Represented By The Secretary Of The Air Force Differential tri-phase shift keyed modulation
US4123719A (en) * 1977-04-22 1978-10-31 Westinghouse Electric Corp. Chirp phase distortion detector in a wideband linearization feedback control loop
FR2419614A1 (fr) * 1978-03-10 1979-10-05 Cit Alcatel Circuit de recuperation de la porteuse d'un signal numerique synchrone transmis par modulation d'amplitude
US4371839A (en) * 1980-04-03 1983-02-01 Ford Aerospace & Communications Corporation Differentially coherent signal detector
US4379266A (en) * 1980-04-03 1983-04-05 Ford Aerospace & Communications Corporation PSK Demodulator with automatic compensation of delay induced phase shifts
US4525676A (en) * 1981-02-24 1985-06-25 Nippon Electric Co., Ltd. PSK Demodulation system having carrier frequency variation compensation
US4534043A (en) * 1983-06-27 1985-08-06 Racal Data Communications, Inc. Test tone detector apparatus and method modem using same
DE69325332T2 (de) * 1992-10-13 1999-11-04 Nec Corp., Tokio/Tokyo Frequenzstabilisierer in einem Funkkommunikationssystem mit phasenumgetasteten Signalen
EP0735730A3 (fr) * 1995-03-28 1999-07-07 Matsushita Electric Industrial Co., Ltd. Dispositif de commande automatique de fréquence

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE902503C (de) * 1952-02-15 1954-01-25 Telefunken Gmbh Einrichtung zur Konstanthaltung der Trenn- und Zeichenfrequenz
BE758413A (fr) * 1969-11-04 1971-05-03 Philips Nv Recepteur pour impulsions modulant une porteuse et situees dansune bande de frequence determinee
DE2049059C3 (de) * 1970-10-06 1978-11-02 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zur Ausregelung von Phasenfehlern beim Empfang phasengetasteter Signale
US3753114A (en) * 1971-12-02 1973-08-14 Culbertson Ind Inc Method and apparatus for the recovery of synchronous carrier in a digital communication system
US3838350A (en) * 1972-08-04 1974-09-24 Westinghouse Electric Corp Differential encoded quadriphase demodulator
US3787775A (en) * 1973-03-28 1974-01-22 Trw Inc Phase correction circuit

Also Published As

Publication number Publication date
LU69827A1 (fr) 1974-11-21
SE393502B (sv) 1977-05-09
GB1432912A (en) 1976-04-22
CA1038460A (fr) 1978-09-12
NL7405291A (fr) 1974-10-22
FR2226778B1 (fr) 1976-05-28
IE39112B1 (en) 1978-08-02
FR2226778A1 (fr) 1974-11-15
DE2416714A1 (de) 1974-10-31
JPS5048866A (fr) 1975-05-01
IE39112L (en) 1974-10-20
US3919653A (en) 1975-11-11
IT1014589B (it) 1977-04-30

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