GB2111785B - Radar source location apparatus - Google Patents

Radar source location apparatus

Info

Publication number
GB2111785B
GB2111785B GB08133461A GB8133461A GB2111785B GB 2111785 B GB2111785 B GB 2111785B GB 08133461 A GB08133461 A GB 08133461A GB 8133461 A GB8133461 A GB 8133461A GB 2111785 B GB2111785 B GB 2111785B
Authority
GB
United Kingdom
Prior art keywords
source location
location apparatus
radar source
radar
source
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
GB08133461A
Other versions
GB2111785A (en
Inventor
David John Cann
Christopher Adrian Cooper
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.)
Ferranti International PLC
Original Assignee
Ferranti PLC
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 Ferranti PLC filed Critical Ferranti PLC
Priority to GB08133461A priority Critical patent/GB2111785B/en
Publication of GB2111785A publication Critical patent/GB2111785A/en
Application granted granted Critical
Publication of GB2111785B publication Critical patent/GB2111785B/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
    • G01S3/16—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characteristic
    • G01S3/20—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characteristic derived by sampling signal received by an antenna system having periodically-varied orientation of directivity characteristic

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)
GB08133461A 1981-11-05 1981-11-05 Radar source location apparatus Expired GB2111785B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08133461A GB2111785B (en) 1981-11-05 1981-11-05 Radar source location apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08133461A GB2111785B (en) 1981-11-05 1981-11-05 Radar source location apparatus

Publications (2)

Publication Number Publication Date
GB2111785A GB2111785A (en) 1983-07-06
GB2111785B true GB2111785B (en) 1984-11-21

Family

ID=10525673

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08133461A Expired GB2111785B (en) 1981-11-05 1981-11-05 Radar source location apparatus

Country Status (1)

Country Link
GB (1) GB2111785B (en)

Also Published As

Publication number Publication date
GB2111785A (en) 1983-07-06

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee