FR2284938A1 - Automatic control system for mini-radar - uses Doppler effect with signals transmitted through a separate diode demodulator - Google Patents

Automatic control system for mini-radar - uses Doppler effect with signals transmitted through a separate diode demodulator

Info

Publication number
FR2284938A1
FR2284938A1 FR7430624A FR7430624A FR2284938A1 FR 2284938 A1 FR2284938 A1 FR 2284938A1 FR 7430624 A FR7430624 A FR 7430624A FR 7430624 A FR7430624 A FR 7430624A FR 2284938 A1 FR2284938 A1 FR 2284938A1
Authority
FR
France
Prior art keywords
automatic control
mini
radar
control system
signals transmitted
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.)
Granted
Application number
FR7430624A
Other languages
French (fr)
Other versions
FR2284938B1 (en
Inventor
Serge Guennou
Raymond Maugis
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.)
Radiotechnique Compelec RTC SA
Original Assignee
Radiotechnique Compelec RTC 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 Radiotechnique Compelec RTC SA filed Critical Radiotechnique Compelec RTC SA
Priority to FR7430624A priority Critical patent/FR2284938A1/en
Publication of FR2284938A1 publication Critical patent/FR2284938A1/en
Application granted granted Critical
Publication of FR2284938B1 publication Critical patent/FR2284938B1/fr
Granted 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40—Means for monitoring or calibrating
    • 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

Abstract

The miniature radar system incorporates a separate diode demodulator circuit in advance of the automatic control circuit which operates on the Doppler shift. The equipment functions below the minimum at the maximum voltage levels only.
FR7430624A 1974-09-10 1974-09-10 Automatic control system for mini-radar - uses Doppler effect with signals transmitted through a separate diode demodulator Granted FR2284938A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7430624A FR2284938A1 (en) 1974-09-10 1974-09-10 Automatic control system for mini-radar - uses Doppler effect with signals transmitted through a separate diode demodulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7430624A FR2284938A1 (en) 1974-09-10 1974-09-10 Automatic control system for mini-radar - uses Doppler effect with signals transmitted through a separate diode demodulator

Publications (2)

Publication Number Publication Date
FR2284938A1 true FR2284938A1 (en) 1976-04-09
FR2284938B1 FR2284938B1 (en) 1982-10-15

Family

ID=9142929

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7430624A Granted FR2284938A1 (en) 1974-09-10 1974-09-10 Automatic control system for mini-radar - uses Doppler effect with signals transmitted through a separate diode demodulator

Country Status (1)

Country Link
FR (1) FR2284938A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2475742A1 (en) * 1980-02-07 1981-08-14 Dreuilhe Jacqueline Movement detecting radar head - includes anti-masking circuit initiating alarm if large object causes high level of reflected radiation to be received
CN108986376A (en) * 2018-08-20 2018-12-11 重庆骞纳马科技有限公司 A kind of unattended warning circuit of substation and its working method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2475742A1 (en) * 1980-02-07 1981-08-14 Dreuilhe Jacqueline Movement detecting radar head - includes anti-masking circuit initiating alarm if large object causes high level of reflected radiation to be received
CN108986376A (en) * 2018-08-20 2018-12-11 重庆骞纳马科技有限公司 A kind of unattended warning circuit of substation and its working method

Also Published As

Publication number Publication date
FR2284938B1 (en) 1982-10-15

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Legal Events

Date Code Title Description
ST Notification of lapse