GB2064257B - Radio direction finders - Google Patents

Radio direction finders

Info

Publication number
GB2064257B
GB2064257B GB7935147A GB7935147A GB2064257B GB 2064257 B GB2064257 B GB 2064257B GB 7935147 A GB7935147 A GB 7935147A GB 7935147 A GB7935147 A GB 7935147A GB 2064257 B GB2064257 B GB 2064257B
Authority
GB
United Kingdom
Prior art keywords
radio direction
direction finders
finders
radio
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
GB7935147A
Other versions
GB2064257A (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.)
BAE Systems Electronics Ltd
Original Assignee
Marconi Co Ltd
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 Marconi Co Ltd filed Critical Marconi Co Ltd
Publication of GB2064257A publication Critical patent/GB2064257A/en
Application granted granted Critical
Publication of GB2064257B publication Critical patent/GB2064257B/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
    • 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
    • G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
    • G01S3/48—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems the waves arriving at the antennas being continuous or intermittent and the phase difference of signals derived therefrom being measured
    • 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/04—Position of source determined by a plurality of spaced direction-finders

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB7935147A 1978-10-13 1979-10-10 Radio direction finders Expired GB2064257B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7840504 1978-10-13

Publications (2)

Publication Number Publication Date
GB2064257A GB2064257A (en) 1981-06-10
GB2064257B true GB2064257B (en) 1983-03-09

Family

ID=10500320

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7935147A Expired GB2064257B (en) 1978-10-13 1979-10-10 Radio direction finders

Country Status (5)

Country Link
DE (1) DE2941525A1 (en)
FR (1) FR2476854B1 (en)
GB (1) GB2064257B (en)
IT (1) IT1119386B (en)
NL (1) NL186877C (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2137051B (en) * 1983-03-22 1986-07-30 Secuurigard International Limi Radio direction finders
GB2140238A (en) * 1983-05-11 1984-11-21 Racal Communications Equip Direction finding
GB2147760B (en) * 1983-10-07 1987-04-15 Racal Res Ltd Direction finding systems
DE3419341A1 (en) * 1984-05-24 1985-11-28 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt INTERFEROMETER ARRANGEMENT
GB8612753D0 (en) * 1986-05-27 1986-09-17 Tong D A Direction finding equipment
DE19512787A1 (en) * 1995-02-19 1996-09-12 Horn Wolfgang Location detector using synthetic aperture, for locating e.g. microwave interference source
GB2601987B (en) * 1995-04-10 2023-03-15 Dassault Electronique An instantaneous phase meter receiver for an electromagnetic signal in a wide frequency band and signal processing method
US5969676A (en) * 1997-09-30 1999-10-19 Honeywell Inc. Radio frequency interferometer and laser rangefinder/destination base targeting system
DE102005060875A1 (en) * 2005-12-20 2007-06-21 Robert Bosch Gmbh Method and device for signal processing at an angle determination by means of microwave motion sensors
FR2902892B1 (en) * 2006-06-23 2011-04-29 Thales Sa PHASE GONIOMETRY INTERFEROMETRY SYSTEM FOR CAPTURING ELECTROMAGNETIC WAVES AND DEDUCTING THE ARRIVAL DIRECTION THEREOF
EP2209016A1 (en) * 2009-01-20 2010-07-21 Alcatel Lucent Localization method for mobile stations, receiver station and vehicle thereof
US8264409B2 (en) 2009-01-30 2012-09-11 The United States Of America As Represented By The Secretary Of The Navy Electromagnetic radiation source locating system
GB2478961B (en) 2010-03-25 2014-06-18 Guidance Ip Ltd Active target with height diversity
GB2478960B (en) * 2010-03-25 2012-08-22 Guidance Ip Ltd An apparatus for measuring the relative direction of a radio signal

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3245079A (en) * 1963-11-12 1966-04-05 Collins Radio Co A. d. f. receiver
DE1248754B (en) * 1965-05-08 1967-08-31 Telefunken Patentverw ertungsgesellschaft mbH, Ulm/Donau Method for determining the inconvenience of N (N> 1) ms special coherent electromagnet! see waves
FR1524050A (en) * 1965-05-08 1968-05-10 Telefunken Patent Multi-wave direction finder
DE1274687B (en) * 1966-12-15 1968-08-08 Telefunken Patent Large base DF antenna system and evaluation and display device for such an antenna system
DE2007048C3 (en) * 1970-02-17 1980-06-26 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Bearing system for finding electrical high-frequency vibrations
DE2038982C3 (en) * 1970-08-05 1980-04-17 Standard Elektrik Lorenz Ag, 7000 Stuttgart Inquiry / answer radio navigation system with on-board range finder and ground interferometer direction finder
DE2133000A1 (en) * 1971-07-02 1973-01-18 Singer Co BROADBAND PHASE MEASUREMENT SYSTEM FOR MICROWAVE PULSES
US3852754A (en) * 1971-09-21 1974-12-03 Litton Systems Inc Binary beam system
US3815135A (en) * 1972-10-26 1974-06-04 Us Air Force Direction finding interferometer for a linear fm signal
DE2358585C3 (en) * 1973-11-24 1979-11-15 Standard Elektrik Lorenz Ag, 7000 Stuttgart Radio direction finder and radio beacon working according to the reciprocity law
GB1434638A (en) * 1973-11-27 1976-05-05 Standard Telephones Cables Ltd Radio direction finding equipment
GB1540418A (en) * 1976-03-15 1979-02-14 Mullard Ltd Resolving angular ambiguity
FR2350612A1 (en) * 1976-05-07 1977-12-02 Trt Telecom Radio Electr SYSTEM FOR LOCATING A TRANSMITTER INTENDED TO PROVIDE ANGULAR DEVIATION INFORMATION
GB1536996A (en) * 1977-03-25 1978-12-29 Philips Electronic Associated Radio interferometer system

Also Published As

Publication number Publication date
IT7968982A0 (en) 1979-10-11
FR2476854B1 (en) 1985-10-18
IT1119386B (en) 1986-03-10
DE2941525A1 (en) 1982-08-19
DE2941525C2 (en) 1992-04-02
NL7907610A (en) 1981-06-01
GB2064257A (en) 1981-06-10
NL186877B (en) 1990-10-16
NL186877C (en) 1991-03-18
FR2476854A1 (en) 1981-08-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19931010