CA981341A - Dispositif pour deceler un signal faible dans un bruit - Google Patents

Dispositif pour deceler un signal faible dans un bruit

Info

Publication number
CA981341A
CA981341A CA170,886A CA170886A CA981341A CA 981341 A CA981341 A CA 981341A CA 170886 A CA170886 A CA 170886A CA 981341 A CA981341 A CA 981341A
Authority
CA
Canada
Prior art keywords
deceler
bruit
signal
dispositif pour
faible
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
CA170,886A
Other languages
English (en)
Other versions
CA170886S (en
Inventor
Robert L. Barthelemy
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.)
ETAT FRANCAIS REPRESENTE PAR LE MINISTRE D'ETAT CHARGE de la DEFENSE NA TIONALE - DELEGATION MINISTERIELLE POUR L'ARMEMENT
Original Assignee
ETAT FRANCAIS REPRESENTE PAR LE MINISTRE D'ETAT CHARGE de la DEFENSE NA TIONALE - DELEGATION MINISTERIELLE POUR L'ARMEMENT
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 ETAT FRANCAIS REPRESENTE PAR LE MINISTRE D'ETAT CHARGE de la DEFENSE NA TIONALE - DELEGATION MINISTERIELLE POUR L'ARMEMENT filed Critical ETAT FRANCAIS REPRESENTE PAR LE MINISTRE D'ETAT CHARGE de la DEFENSE NA TIONALE - DELEGATION MINISTERIELLE POUR L'ARMEMENT
Application granted granted Critical
Publication of CA981341A publication Critical patent/CA981341A/en
Expired 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
    • G01S7/28—Details of pulse systems
    • G01S7/285—Receivers
    • G01S7/292—Extracting wanted echo-signals
    • G01S7/2921—Extracting wanted echo-signals based on data belonging to one radar period
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/02—Details
    • H03D1/04—Modifications of demodulators to reduce interference by undesired signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Noise Elimination (AREA)
CA170,886A 1972-05-18 1973-05-09 Dispositif pour deceler un signal faible dans un bruit Expired CA981341A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7217849A FR2184481B1 (zh) 1972-05-18 1972-05-18

Publications (1)

Publication Number Publication Date
CA981341A true CA981341A (en) 1976-01-06

Family

ID=9098747

Family Applications (1)

Application Number Title Priority Date Filing Date
CA170,886A Expired CA981341A (en) 1972-05-18 1973-05-09 Dispositif pour deceler un signal faible dans un bruit

Country Status (8)

Country Link
US (1) US3810029A (zh)
JP (1) JPS5047587A (zh)
CA (1) CA981341A (zh)
DE (1) DE2325364A1 (zh)
FR (1) FR2184481B1 (zh)
GB (1) GB1433244A (zh)
IT (1) IT987310B (zh)
NL (1) NL7306876A (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2255750A1 (zh) * 1973-12-21 1975-07-18 Siemens Ag
US3925732A (en) * 1974-01-14 1975-12-09 Furuno Electric Co Signal detecting device
US4408284A (en) * 1981-01-19 1983-10-04 The United States Of America As Represented By The Secretary Of The Navy Signal processing system
GB2237470A (en) * 1989-09-04 1991-05-01 Marconi Gec Ltd Intruder alarm system
JP4832720B2 (ja) * 2004-01-29 2011-12-07 株式会社トプコン パルス信号の処理装置、パルス信号の処理方法およびプログラム

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1365972A (fr) * 1963-02-19 1964-07-10 Thomson Houston Comp Francaise Perfectionnements aux procédés de radiodétection à impulsions avec élimination d'échos longs
US3305787A (en) * 1963-06-18 1967-02-21 Raytheon Co Peak amplitude pulse time detecting circuit
GB1098178A (en) * 1963-10-30 1968-01-10 Emi Ltd Improvements relating to data processing apparatus
US3479599A (en) * 1967-04-05 1969-11-18 Us Navy Signal sensitive depressed threshold detector
US3495244A (en) * 1968-10-07 1970-02-10 Hazeltine Research Inc Interference discriminating apparatus
US3602826A (en) * 1969-12-24 1971-08-31 Westinghouse Electric Corp Adaptive signal detection system
US3714588A (en) * 1970-10-13 1973-01-30 Nasa Self tuning bandpass filter
US3678416A (en) * 1971-07-26 1972-07-18 Richard S Burwen Dynamic noise filter having means for varying cutoff point

Also Published As

Publication number Publication date
GB1433244A (en) 1976-04-22
FR2184481A1 (zh) 1973-12-28
IT987310B (it) 1975-02-20
JPS5047587A (zh) 1975-04-28
NL7306876A (zh) 1973-11-20
US3810029A (en) 1974-05-07
FR2184481B1 (zh) 1978-09-01
DE2325364A1 (de) 1973-11-29

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