GB2120492B - Apparatus for sensing the direction of a source of radiation of unknown frequency - Google Patents

Apparatus for sensing the direction of a source of radiation of unknown frequency

Info

Publication number
GB2120492B
GB2120492B GB08310754A GB8310754A GB2120492B GB 2120492 B GB2120492 B GB 2120492B GB 08310754 A GB08310754 A GB 08310754A GB 8310754 A GB8310754 A GB 8310754A GB 2120492 B GB2120492 B GB 2120492B
Authority
GB
United Kingdom
Prior art keywords
sensing
radiation
source
unknown frequency
unknown
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
GB08310754A
Other versions
GB2120492A (en
Inventor
Stephen Cecil Gratze
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
Priority to GB08310754A priority Critical patent/GB2120492B/en
Publication of GB2120492A publication Critical patent/GB2120492A/en
Application granted granted Critical
Publication of GB2120492B publication Critical patent/GB2120492B/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

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)
GB08310754A 1982-04-22 1983-04-20 Apparatus for sensing the direction of a source of radiation of unknown frequency Expired GB2120492B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08310754A GB2120492B (en) 1982-04-22 1983-04-20 Apparatus for sensing the direction of a source of radiation of unknown frequency

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8211736 1982-04-22
GB08310754A GB2120492B (en) 1982-04-22 1983-04-20 Apparatus for sensing the direction of a source of radiation of unknown frequency

Publications (2)

Publication Number Publication Date
GB2120492A GB2120492A (en) 1983-11-30
GB2120492B true GB2120492B (en) 1985-07-03

Family

ID=26282624

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08310754A Expired GB2120492B (en) 1982-04-22 1983-04-20 Apparatus for sensing the direction of a source of radiation of unknown frequency

Country Status (1)

Country Link
GB (1) GB2120492B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2246459A (en) * 1988-09-03 1992-01-29 Marconi Gec Ltd Radio frequency spectrum analyser
RU2504731C1 (en) * 2012-07-17 2014-01-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный электротехнический университет "ЛЭТИ" им. В.И. Ульянова (Ленина) Acousto-optical interferometer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1233007A (en) * 1967-10-26 1971-05-26

Also Published As

Publication number Publication date
GB2120492A (en) 1983-11-30

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Legal Events

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