FR2406858A1 - Radar hyperfrequence anti-intrusions a effet doppler - Google Patents

Radar hyperfrequence anti-intrusions a effet doppler

Info

Publication number
FR2406858A1
FR2406858A1 FR7731681A FR7731681A FR2406858A1 FR 2406858 A1 FR2406858 A1 FR 2406858A1 FR 7731681 A FR7731681 A FR 7731681A FR 7731681 A FR7731681 A FR 7731681A FR 2406858 A1 FR2406858 A1 FR 2406858A1
Authority
FR
France
Prior art keywords
pulse generator
power stage
driving power
stage feeding
doppler effect
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.)
Withdrawn
Application number
FR7731681A
Other languages
English (en)
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.)
HOURIEZ JEAN
Original Assignee
HOURIEZ JEAN
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 HOURIEZ JEAN filed Critical HOURIEZ JEAN
Priority to FR7731681A priority Critical patent/FR2406858A1/fr
Publication of FR2406858A1 publication Critical patent/FR2406858A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S13/56—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

Dispositif permettant de réaliser un radar hyperfréquence à effet Doppler à faible consommation destiné à la protection volumétrique de locaux. Il comprend une cavité hyperfréquence 1 dont la partie émettrice 1A est reliée à un modulateur 2 et la partie réceptrice à l'amplificateur 3. Le système d'extraction du signal utile 4 faisant suite à l'amplificateur 3 fait appel à des techniques d'échantillonnage et est piloté, ainsi que le modulateur 2, par un générateur d'impulsions multiphases 8. Le signal extrait est ensuite appliqué à un amplificateur 5 dont la sortie est connectée au circuit 6 qui comprend une détection synchrone et un ensemble de circuits logiques dont le rôle est d'augmenter la fiabilité du dispositif et d'eviter les déclenchements intempestifs dus à des signaux fugaces. Une alimentation 7 fournit l'energie nécessaire au bon fonctionnement des différents circuits. L'invention peut être utilisée à chaque fois que le besoin d'une protection volumétrique à faible consommation et de bonne fiabilité se fait sentir. En particulier, le procédé peut être employé pour la fabrication de radars portatifs autonomes.
FR7731681A 1977-10-18 1977-10-18 Radar hyperfrequence anti-intrusions a effet doppler Withdrawn FR2406858A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7731681A FR2406858A1 (fr) 1977-10-18 1977-10-18 Radar hyperfrequence anti-intrusions a effet doppler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7731681A FR2406858A1 (fr) 1977-10-18 1977-10-18 Radar hyperfrequence anti-intrusions a effet doppler

Publications (1)

Publication Number Publication Date
FR2406858A1 true FR2406858A1 (fr) 1979-05-18

Family

ID=9196769

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7731681A Withdrawn FR2406858A1 (fr) 1977-10-18 1977-10-18 Radar hyperfrequence anti-intrusions a effet doppler

Country Status (1)

Country Link
FR (1) FR2406858A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2498352A1 (fr) * 1981-01-20 1982-07-23 Seriee Dispositif de traitement de signaux pour la detection et l'alarme de signaux doppler
FR2519449A1 (fr) * 1981-12-31 1983-07-08 Agence Centrale De Services Dispositif de traitement du signal d'un detecteur a effet doppler

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3193823A (en) * 1961-03-28 1965-07-06 American District Telegraph Co Method and apparatus for detecting motion
US3603999A (en) * 1969-03-21 1971-09-07 Sanders Associates Inc Pulsed doppler detection system
US3732555A (en) * 1972-03-13 1973-05-08 Sperry Rand Corp Selective intrusion alarm system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3193823A (en) * 1961-03-28 1965-07-06 American District Telegraph Co Method and apparatus for detecting motion
US3603999A (en) * 1969-03-21 1971-09-07 Sanders Associates Inc Pulsed doppler detection system
US3732555A (en) * 1972-03-13 1973-05-08 Sperry Rand Corp Selective intrusion alarm system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2498352A1 (fr) * 1981-01-20 1982-07-23 Seriee Dispositif de traitement de signaux pour la detection et l'alarme de signaux doppler
FR2519449A1 (fr) * 1981-12-31 1983-07-08 Agence Centrale De Services Dispositif de traitement du signal d'un detecteur a effet doppler

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Legal Events

Date Code Title Description
ST Notification of lapse