FR2476947B1 - Dispositif de modulation numerique lineaire et emetteur hertzien comportant un tel dispositif - Google Patents

Dispositif de modulation numerique lineaire et emetteur hertzien comportant un tel dispositif

Info

Publication number
FR2476947B1
FR2476947B1 FR8003976A FR8003976A FR2476947B1 FR 2476947 B1 FR2476947 B1 FR 2476947B1 FR 8003976 A FR8003976 A FR 8003976A FR 8003976 A FR8003976 A FR 8003976A FR 2476947 B1 FR2476947 B1 FR 2476947B1
Authority
FR
France
Prior art keywords
wireless transmitter
digital modulation
linear digital
modulation device
linear
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
FR8003976A
Other languages
English (en)
French (fr)
Other versions
FR2476947A1 (fr
Inventor
Jean-Claude Curtinot
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 FR8003976A priority Critical patent/FR2476947B1/fr
Priority to EP81400228A priority patent/EP0034973A1/fr
Priority to JP2415781A priority patent/JPS56132047A/ja
Publication of FR2476947A1 publication Critical patent/FR2476947A1/fr
Application granted granted Critical
Publication of FR2476947B1 publication Critical patent/FR2476947B1/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
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
    • H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
    • H04L27/2067—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states
    • H04L27/2071—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states in which the data are represented by the carrier phase, e.g. systems with differential coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FR8003976A 1980-02-22 1980-02-22 Dispositif de modulation numerique lineaire et emetteur hertzien comportant un tel dispositif Expired FR2476947B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR8003976A FR2476947B1 (fr) 1980-02-22 1980-02-22 Dispositif de modulation numerique lineaire et emetteur hertzien comportant un tel dispositif
EP81400228A EP0034973A1 (fr) 1980-02-22 1981-02-13 Dispositif de modulation numérique linéaire pour émetteur hertzien
JP2415781A JPS56132047A (en) 1980-02-22 1981-02-20 Digital modulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8003976A FR2476947B1 (fr) 1980-02-22 1980-02-22 Dispositif de modulation numerique lineaire et emetteur hertzien comportant un tel dispositif

Publications (2)

Publication Number Publication Date
FR2476947A1 FR2476947A1 (fr) 1981-08-28
FR2476947B1 true FR2476947B1 (fr) 1987-06-26

Family

ID=9238882

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8003976A Expired FR2476947B1 (fr) 1980-02-22 1980-02-22 Dispositif de modulation numerique lineaire et emetteur hertzien comportant un tel dispositif

Country Status (3)

Country Link
EP (1) EP0034973A1 (https=)
JP (1) JPS56132047A (https=)
FR (1) FR2476947B1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2543379B1 (fr) * 1983-03-25 1990-03-02 Thomson Csf Dispositif de demodulation directe en hyperfrequence et chaine de reception hyperfrequence comportant un tel dispositif
ATE35601T1 (de) * 1983-10-21 1988-07-15 Ant Nachrichtentech Digitales rf-direktmodulationsverfahren und schaltungsanordnung zu seiner durchfuehrung.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3002159A (en) * 1957-12-30 1961-09-26 Daystrom Inc Oscillator
US4216542A (en) * 1979-03-06 1980-08-05 Nasa Method and apparatus for quadriphase-shift-key and linear phase modulation

Also Published As

Publication number Publication date
EP0034973A1 (fr) 1981-09-02
JPS56132047A (en) 1981-10-16
FR2476947A1 (fr) 1981-08-28
JPS6331138B2 (https=) 1988-06-22

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Legal Events

Date Code Title Description
ST Notification of lapse