GB1529381A - Aircraft detection - Google Patents

Aircraft detection

Info

Publication number
GB1529381A
GB1529381A GB55276A GB55276A GB1529381A GB 1529381 A GB1529381 A GB 1529381A GB 55276 A GB55276 A GB 55276A GB 55276 A GB55276 A GB 55276A GB 1529381 A GB1529381 A GB 1529381A
Authority
GB
United Kingdom
Prior art keywords
aircraft detection
radar
decca
transmitters
heading
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
GB55276A
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.)
Decca Ltd
Original Assignee
Decca 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 Decca Ltd filed Critical Decca Ltd
Priority to GB55276A priority Critical patent/GB1529381A/en
Publication of GB1529381A publication Critical patent/GB1529381A/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
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
    • G01S11/08—Systems for determining distance or velocity not using reflection or reradiation using radio waves using synchronised clocks
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/08—Systems for determining direction or position line
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/003—Bistatic radar systems; Multistatic radar systems
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
    • G01S13/878—Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

1529381 Radar DECCA Ltd 29 Dec 1976 [7 Jan 1976] 00552/76 Heading H4D A multi-static radar employs several, e.g. 10, 11, 12 transmitters (preferably operating on different radio frequencies) and an atomic clock 15 at each transmitter and, 24, at the/each receiver.
GB55276A 1976-12-29 1976-12-29 Aircraft detection Expired GB1529381A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB55276A GB1529381A (en) 1976-12-29 1976-12-29 Aircraft detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB55276A GB1529381A (en) 1976-12-29 1976-12-29 Aircraft detection

Publications (1)

Publication Number Publication Date
GB1529381A true GB1529381A (en) 1978-10-18

Family

ID=9706403

Family Applications (1)

Application Number Title Priority Date Filing Date
GB55276A Expired GB1529381A (en) 1976-12-29 1976-12-29 Aircraft detection

Country Status (1)

Country Link
GB (1) GB1529381A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002091012A2 (en) * 2001-05-04 2002-11-14 Lockheed Martin Corporation Altitude estimation system and method
GB2378335A (en) * 2001-08-03 2003-02-05 Roke Manor Research Bistatic target position determination
US11656335B2 (en) 2019-03-05 2023-05-23 Rohde & Schwarz Gmbh & Co. Kg System and method for detecting aircraft signatures

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002091012A2 (en) * 2001-05-04 2002-11-14 Lockheed Martin Corporation Altitude estimation system and method
WO2002091012A3 (en) * 2001-05-04 2003-02-06 Lockheed Corp Altitude estimation system and method
US6697012B2 (en) 2001-05-04 2004-02-24 Lockheed Martin Corporation Altitude estimation system and method
AU2007201502B2 (en) * 2001-05-04 2009-07-02 Lockheed Martin Corporation Altitude estimation system and method
GB2378335A (en) * 2001-08-03 2003-02-05 Roke Manor Research Bistatic target position determination
GB2378335B (en) * 2001-08-03 2005-09-28 Roke Manor Research Method of determining the position of a target
US7155240B2 (en) 2001-08-03 2006-12-26 Roke Manor Research Limited Method of determining the position of a target using transmitters of opportunity
US11656335B2 (en) 2019-03-05 2023-05-23 Rohde & Schwarz Gmbh & Co. Kg System and method for detecting aircraft signatures

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Legal Events

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