FR2552959B1 - Circuit de recuperation d'une onde porteuse muni d'un moyen d'aide a l'acquisition automatique et rapide - Google Patents

Circuit de recuperation d'une onde porteuse muni d'un moyen d'aide a l'acquisition automatique et rapide

Info

Publication number
FR2552959B1
FR2552959B1 FR8315794A FR8315794A FR2552959B1 FR 2552959 B1 FR2552959 B1 FR 2552959B1 FR 8315794 A FR8315794 A FR 8315794A FR 8315794 A FR8315794 A FR 8315794A FR 2552959 B1 FR2552959 B1 FR 2552959B1
Authority
FR
France
Prior art keywords
recovering
fast
circuit
carrier wave
acquisition means
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.)
Expired
Application number
FR8315794A
Other languages
English (en)
Other versions
FR2552959A1 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8315794A priority Critical patent/FR2552959B1/fr
Publication of FR2552959A1 publication Critical patent/FR2552959A1/fr
Application granted granted Critical
Publication of FR2552959B1 publication Critical patent/FR2552959B1/fr
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
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/0028—Correction of carrier offset at passband only
    • 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
    • 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
    • H04L2027/0063—Elements of loops
    • H04L2027/0067—Phase error detectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FR8315794A 1983-10-04 1983-10-04 Circuit de recuperation d'une onde porteuse muni d'un moyen d'aide a l'acquisition automatique et rapide Expired FR2552959B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8315794A FR2552959B1 (fr) 1983-10-04 1983-10-04 Circuit de recuperation d'une onde porteuse muni d'un moyen d'aide a l'acquisition automatique et rapide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8315794A FR2552959B1 (fr) 1983-10-04 1983-10-04 Circuit de recuperation d'une onde porteuse muni d'un moyen d'aide a l'acquisition automatique et rapide

Publications (2)

Publication Number Publication Date
FR2552959A1 FR2552959A1 (fr) 1985-04-05
FR2552959B1 true FR2552959B1 (fr) 1985-10-25

Family

ID=9292802

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8315794A Expired FR2552959B1 (fr) 1983-10-04 1983-10-04 Circuit de recuperation d'une onde porteuse muni d'un moyen d'aide a l'acquisition automatique et rapide

Country Status (1)

Country Link
FR (1) FR2552959B1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2581277A1 (fr) * 1985-04-30 1986-10-31 Labo Electronique Physique Circuit de recuperation de l'onde porteuse de systemes de transmissions numeriques
FR2621188B1 (fr) * 1987-09-25 1989-12-29 Labo Electronique Physique Circuit de recuperation de l'onde porteuse de systemes de transmissions numeriques
FR2663177B1 (fr) * 1990-06-06 1992-08-21 France Telecom Dispositif de recuperation d'une onde porteuse muni d'un moyen d'inhibition de faux accrochages en frequence.
IT1244206B (it) * 1990-12-19 1994-07-08 Telettra Spa Sistema e circuito per la stima della frequenza di portante di un segnale
FR2680923B1 (fr) * 1991-08-30 1996-11-22 Patrick Vandamme Dispositif de demodulation coherente a circuit numerique de recuperation d'onde porteuse.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55132132A (en) * 1979-03-30 1980-10-14 Nec Corp Phase synchronizing circuit
FR2510331A1 (fr) * 1981-07-23 1983-01-28 Leclert Alain Circuit de regeneration d'une onde porteuse

Also Published As

Publication number Publication date
FR2552959A1 (fr) 1985-04-05

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Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property
ST Notification of lapse