BE518293A - - Google Patents

Info

Publication number
BE518293A
BE518293A BE518293DA BE518293A BE 518293 A BE518293 A BE 518293A BE 518293D A BE518293D A BE 518293DA BE 518293 A BE518293 A BE 518293A
Authority
BE
Belgium
Application number
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.)
Publication of BE518293A publication Critical patent/BE518293A/xx

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
    • 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
    • G01S3/02—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 radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/52—Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal
    • G01S3/54—Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal the apparent movement of the antenna being produced by coupling the receiver cyclically and sequentially to each of several fixed spaced antennas

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
BE518293D 1951-12-13 BE518293A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB316443X 1951-12-13

Publications (1)

Publication Number Publication Date
BE518293A true BE518293A (da)

Family

ID=10326248

Family Applications (1)

Application Number Title Priority Date Filing Date
BE518293D BE518293A (da) 1951-12-13

Country Status (5)

Country Link
US (1) US2762043A (da)
BE (1) BE518293A (da)
CH (1) CH316443A (da)
DE (1) DE1019356B (da)
GB (1) GB695085A (da)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB798218A (en) * 1955-11-23 1958-07-16 Marconi Wireless Telegraph Co Improvements in or relating to radio direction finding systems
US3173140A (en) * 1959-02-20 1965-03-09 Servo Corp Of America Doppler omnirange navigational system
GB1024242A (en) * 1962-11-29 1966-03-30 Standard Telephones Cables Ltd Radio navigation system
FR1449700A (fr) * 1965-05-21 1966-05-06 Thomson Houston Comp Francaise Perfectionnements aux systèmes de réception de signaux radioélectriques très faibles
US3550130A (en) * 1968-11-25 1970-12-22 Bell Aerospace Corp Passive direction finder
US3798648A (en) * 1972-06-27 1974-03-19 U Lammers High resolution airborne signal processing system
US4246581A (en) * 1979-02-01 1981-01-20 General Signal Corporation Direction finder
DE19518420C2 (de) * 1995-05-19 1998-01-02 Diether Alfred Schroeder Schaltungsanordnung zur Verwendung in einem geophysikalischen Prospektionsverfahren

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB594530A (en) * 1944-08-04 1947-11-13 Standard Telephones Cables Ltd Improvements in radio navigational systems

Also Published As

Publication number Publication date
GB695085A (en) 1953-08-05
US2762043A (en) 1956-09-04
CH316443A (fr) 1956-10-15
DE1019356B (de) 1957-11-14

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