FR2482392B1 - Dispositif de demodulation de signaux numeriques differentiel et pseudo-coherent, et recepteur comportant un tel dispositif - Google Patents

Dispositif de demodulation de signaux numeriques differentiel et pseudo-coherent, et recepteur comportant un tel dispositif

Info

Publication number
FR2482392B1
FR2482392B1 FR8010565A FR8010565A FR2482392B1 FR 2482392 B1 FR2482392 B1 FR 2482392B1 FR 8010565 A FR8010565 A FR 8010565A FR 8010565 A FR8010565 A FR 8010565A FR 2482392 B1 FR2482392 B1 FR 2482392B1
Authority
FR
France
Prior art keywords
pseudo
receiver
digital signals
coherent digital
demodulating
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
FR8010565A
Other languages
English (en)
Other versions
FR2482392A1 (fr
Inventor
Jean-Pierre Dehaene
Claude Bareyt
Vincent Maurel
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 FR8010565A priority Critical patent/FR2482392B1/fr
Publication of FR2482392A1 publication Critical patent/FR2482392A1/fr
Application granted granted Critical
Publication of FR2482392B1 publication Critical patent/FR2482392B1/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
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0053—Closed loops
    • H04L2027/0057—Closed loops quadrature phase

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FR8010565A 1980-05-12 1980-05-12 Dispositif de demodulation de signaux numeriques differentiel et pseudo-coherent, et recepteur comportant un tel dispositif Expired FR2482392B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8010565A FR2482392B1 (fr) 1980-05-12 1980-05-12 Dispositif de demodulation de signaux numeriques differentiel et pseudo-coherent, et recepteur comportant un tel dispositif

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8010565A FR2482392B1 (fr) 1980-05-12 1980-05-12 Dispositif de demodulation de signaux numeriques differentiel et pseudo-coherent, et recepteur comportant un tel dispositif

Publications (2)

Publication Number Publication Date
FR2482392A1 FR2482392A1 (fr) 1981-11-13
FR2482392B1 true FR2482392B1 (fr) 1987-07-17

Family

ID=9241852

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8010565A Expired FR2482392B1 (fr) 1980-05-12 1980-05-12 Dispositif de demodulation de signaux numeriques differentiel et pseudo-coherent, et recepteur comportant un tel dispositif

Country Status (1)

Country Link
FR (1) FR2482392B1 (fr)

Also Published As

Publication number Publication date
FR2482392A1 (fr) 1981-11-13

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Legal Events

Date Code Title Description
ST Notification of lapse