NL7206225A - - Google Patents

Info

Publication number
NL7206225A
NL7206225A NL7206225A NL7206225A NL7206225A NL 7206225 A NL7206225 A NL 7206225A NL 7206225 A NL7206225 A NL 7206225A NL 7206225 A NL7206225 A NL 7206225A NL 7206225 A NL7206225 A NL 7206225A
Authority
NL
Netherlands
Application number
NL7206225A
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 filed Critical
Publication of NL7206225A publication Critical patent/NL7206225A/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
    • G01S3/04—Details
    • G01S3/06—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna
    • 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
    • G01S3/04—Details
    • G01S3/06—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna
    • G01S3/065—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna by using non-directional aerial
    • 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
    • G01S3/143—Systems for determining direction or deviation from predetermined direction by vectorial combination of signals derived from differently oriented antennae

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)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
NL7206225A 1971-05-07 1972-05-08 NL7206225A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO01733/71A NO129707B (xx) 1971-05-07 1971-05-07

Publications (1)

Publication Number Publication Date
NL7206225A true NL7206225A (xx) 1972-11-09

Family

ID=19878399

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7206225A NL7206225A (xx) 1971-05-07 1972-05-08

Country Status (8)

Country Link
US (1) US3795001A (xx)
DE (1) DE2220777A1 (xx)
FR (1) FR2137606B1 (xx)
GB (1) GB1366726A (xx)
IE (1) IE36342B1 (xx)
NL (1) NL7206225A (xx)
NO (1) NO129707B (xx)
ZA (1) ZA722909B (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4152703A (en) * 1976-09-01 1979-05-01 Dan-Mar Co. Homing device
JPS54145491A (en) * 1978-05-06 1979-11-13 Furuno Electric Co Direction finder
GB2095497B (en) * 1981-03-24 1984-08-15 Racal Communications Equip Improvements in and relating to direction finding
US5796366A (en) * 1996-08-09 1998-08-18 Megapulse, Incorporated Method of and apparatus for position location and tracking of a vehicle or the like by the reception at the vehicle of pulsed radio navigation signals as of the Loran-OC type and the like, with an autonomous loop antenna-receiver
RU2559149C1 (ru) * 2014-05-08 2015-08-10 Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт автоматики им. Н.Л. Духова" (ФГУП "ВНИИА") Устройство для определения направления и дальности до источника сигнала
RU2561308C1 (ru) * 2014-05-08 2015-08-27 Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт автоматики им. Н.Л. Духова" (ФГУП "ВНИИА") Устройство для определения направления и дальности до источника сигнала
RU2559307C1 (ru) * 2014-05-08 2015-08-10 Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт автоматики им. Н.Л. Духова" (ФГУП "ВНИИА") Устройство для определения направления и дальности до источника сигнала
EP3809526A1 (en) 2019-10-18 2021-04-21 Rohde & Schwarz GmbH & Co. KG Antenna system and antenna controlling method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3344430A (en) * 1966-02-21 1967-09-26 Verne E Hildebrand Signal azimuth detector
GB1196095A (en) * 1968-05-14 1970-06-24 Racal Bcc Ltd Formerly Known A Improvements in or relating to Direction Finding

Also Published As

Publication number Publication date
FR2137606B1 (xx) 1978-05-26
US3795001A (en) 1974-02-26
DE2220777A1 (de) 1972-12-07
IE36342L (en) 1972-11-07
NO129707B (xx) 1974-05-13
IE36342B1 (en) 1976-10-13
FR2137606A1 (xx) 1972-12-29
GB1366726A (xx) 1974-09-11
ZA722909B (en) 1973-02-28

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