GB8614108D0 - Wave signal direction finding - Google Patents

Wave signal direction finding

Info

Publication number
GB8614108D0
GB8614108D0 GB868614108A GB8614108A GB8614108D0 GB 8614108 D0 GB8614108 D0 GB 8614108D0 GB 868614108 A GB868614108 A GB 868614108A GB 8614108 A GB8614108 A GB 8614108A GB 8614108 D0 GB8614108 D0 GB 8614108D0
Authority
GB
United Kingdom
Prior art keywords
wave signal
direction finding
signal direction
finding
wave
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.)
Withdrawn
Application number
GB868614108A
Other versions
GB2191650A (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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Priority to GB08614108A priority Critical patent/GB2191650A/en
Publication of GB8614108D0 publication Critical patent/GB8614108D0/en
Priority to EP87201081A priority patent/EP0249292A3/en
Priority to US07/059,730 priority patent/US4797679A/en
Priority to AU74074/87A priority patent/AU597220B2/en
Publication of GB2191650A publication Critical patent/GB2191650A/en
Withdrawn legal-status Critical Current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
    • G01S3/50—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 pulse modulated and the time difference of their arrival being measured
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB08614108A 1986-06-10 1986-06-10 Wave signal direction-finding Withdrawn GB2191650A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB08614108A GB2191650A (en) 1986-06-10 1986-06-10 Wave signal direction-finding
EP87201081A EP0249292A3 (en) 1986-06-10 1987-06-05 Radio direction-finding using time of arrival measurements
US07/059,730 US4797679A (en) 1986-06-10 1987-06-09 Radio direction-finding using time of arrival measurements
AU74074/87A AU597220B2 (en) 1986-06-10 1987-06-10 Radio direction-finding using time of arrival measurements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08614108A GB2191650A (en) 1986-06-10 1986-06-10 Wave signal direction-finding

Publications (2)

Publication Number Publication Date
GB8614108D0 true GB8614108D0 (en) 1986-11-26
GB2191650A GB2191650A (en) 1987-12-16

Family

ID=10599238

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08614108A Withdrawn GB2191650A (en) 1986-06-10 1986-06-10 Wave signal direction-finding

Country Status (1)

Country Link
GB (1) GB2191650A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5754140A (en) * 1996-07-05 1998-05-19 Sperry Marine Inc. Beam sharpened, low sidelobe antenna system
US10416269B2 (en) * 2017-04-20 2019-09-17 Raytheon Company Disambiguated direction finding

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1766788A1 (en) * 1967-07-24 1971-08-19 Honeywell Inc System for determining direction and / or position under water

Also Published As

Publication number Publication date
GB2191650A (en) 1987-12-16

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)