GB1311332A - Method and apparatus for determining the direction of propagation of a plane wave - Google Patents

Method and apparatus for determining the direction of propagation of a plane wave

Info

Publication number
GB1311332A
GB1311332A GB2918870A GB2918870A GB1311332A GB 1311332 A GB1311332 A GB 1311332A GB 2918870 A GB2918870 A GB 2918870A GB 2918870 A GB2918870 A GB 2918870A GB 1311332 A GB1311332 A GB 1311332A
Authority
GB
United Kingdom
Prior art keywords
detector
preselected time
time intervals
circuitry
timer circuit
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
GB2918870A
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.)
Alcatel Lucent SAS
Original Assignee
Alcatel 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 Alcatel SA filed Critical Alcatel SA
Publication of GB1311332A publication Critical patent/GB1311332A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
    • G01V1/30—Analysis
    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
    • G01S3/802—Systems for determining direction or deviation from predetermined direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Geophysics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB2918870A 1969-06-16 1970-06-16 Method and apparatus for determining the direction of propagation of a plane wave Expired GB1311332A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6920024A FR2049666A5 (cg-RX-API-DMAC10.html) 1969-06-16 1969-06-16

Publications (1)

Publication Number Publication Date
GB1311332A true GB1311332A (en) 1973-03-28

Family

ID=9035821

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2918870A Expired GB1311332A (en) 1969-06-16 1970-06-16 Method and apparatus for determining the direction of propagation of a plane wave

Country Status (6)

Country Link
US (1) US3691514A (cg-RX-API-DMAC10.html)
BE (1) BE751600A (cg-RX-API-DMAC10.html)
CA (1) CA932438A (cg-RX-API-DMAC10.html)
DE (1) DE2029712C2 (cg-RX-API-DMAC10.html)
FR (1) FR2049666A5 (cg-RX-API-DMAC10.html)
GB (1) GB1311332A (cg-RX-API-DMAC10.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2029574A (en) * 1978-09-08 1980-03-19 Westinghouse Canada Ltd Digital time-delay beam former for sonar systems

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2134136B2 (cg-RX-API-DMAC10.html) * 1971-04-21 1974-04-05 Cit Alcatel
GB1347309A (en) * 1971-10-08 1974-02-27 Marconi Co Ltd Position locating arrangements
FR2243447B1 (cg-RX-API-DMAC10.html) * 1973-09-11 1976-06-18 Cit Alcatel
FR2293107A1 (fr) * 1974-11-29 1976-06-25 Cit Alcatel Generateur d'echos modules en frequence et soumis a l'effet doppler
FR2294590A1 (fr) * 1974-12-10 1976-07-09 Cit Alcatel Dispositif de formation de voies utilisant des detecteurs repartis sur une base circulaire
FR2294589A1 (fr) * 1974-12-10 1976-07-09 Cit Alcatel Dispositif de formation de voies utilisant des detecteurs repartis sur une base circulaire
DE19629689C1 (de) * 1996-07-23 1997-10-23 Stn Atlas Elektronik Gmbh Verfahren zum Bilden von Gruppensignalen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3163844A (en) * 1960-10-03 1964-12-29 Hughes Aircraft Co Multiple-beam analog beam-forming system for sonar arrays
NL287672A (cg-RX-API-DMAC10.html) * 1962-01-12
US3292177A (en) * 1965-02-04 1966-12-13 Stromberg Carlson Phase detecting system for determining the direction of a beam impinging upon a fixed receiving array
US3449711A (en) * 1965-08-30 1969-06-10 Magnavox Co Beam former
FR1514042A (fr) * 1966-07-28 1968-02-16 Philip Morris Inc Boîte notamment pour paquets de cigarettes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2029574A (en) * 1978-09-08 1980-03-19 Westinghouse Canada Ltd Digital time-delay beam former for sonar systems
GB2029574B (en) * 1978-09-08 1983-05-18 Westinghouse Canada Ltd Digital time-delay beam former for sonar systems

Also Published As

Publication number Publication date
CA932438A (en) 1973-08-21
DE2029712A1 (cg-RX-API-DMAC10.html) 1970-12-17
FR2049666A5 (cg-RX-API-DMAC10.html) 1971-03-26
DE2029712C2 (de) 1982-03-25
BE751600A (fr) 1970-12-08
US3691514A (en) 1972-09-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee