GB2297449B - Improvements in or relating to ranging systems - Google Patents

Improvements in or relating to ranging systems

Info

Publication number
GB2297449B
GB2297449B GB7900524A GB7900524A GB2297449B GB 2297449 B GB2297449 B GB 2297449B GB 7900524 A GB7900524 A GB 7900524A GB 7900524 A GB7900524 A GB 7900524A GB 2297449 B GB2297449 B GB 2297449B
Authority
GB
United Kingdom
Prior art keywords
relating
ranging systems
ranging
systems
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 - Lifetime
Application number
GB7900524A
Other versions
GB7900524D0 (en
GB2297449A (en
Inventor
Peter Bradsell
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.)
Plessey Co Ltd
BAE Systems Defence Systems Ltd
Original Assignee
Plessey Co Ltd
Siemens Plessey Electronic Systems 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 Plessey Co Ltd, Siemens Plessey Electronic Systems Ltd filed Critical Plessey Co Ltd
Priority to GB7900524A priority Critical patent/GB2297449B/en
Publication of GB7900524D0 publication Critical patent/GB7900524D0/en
Publication of GB2297449A publication Critical patent/GB2297449A/en
Application granted granted Critical
Publication of GB2297449B publication Critical patent/GB2297449B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01S11/04—Systems for determining distance or velocity not using reflection or reradiation using radio waves using angle measurements
    • 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
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/021—Auxiliary means for detecting or identifying radar signals or the like, e.g. radar jamming signals

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)
GB7900524A 1978-01-07 1979-01-08 Improvements in or relating to ranging systems Expired - Lifetime GB2297449B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7900524A GB2297449B (en) 1978-01-07 1979-01-08 Improvements in or relating to ranging systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB59278 1978-01-07
GB7900524A GB2297449B (en) 1978-01-07 1979-01-08 Improvements in or relating to ranging systems

Publications (3)

Publication Number Publication Date
GB7900524D0 GB7900524D0 (en) 1996-04-24
GB2297449A GB2297449A (en) 1996-07-31
GB2297449B true GB2297449B (en) 1997-01-08

Family

ID=26236045

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7900524A Expired - Lifetime GB2297449B (en) 1978-01-07 1979-01-08 Improvements in or relating to ranging systems

Country Status (1)

Country Link
GB (1) GB2297449B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001324557A (en) * 2000-05-18 2001-11-22 Sony Corp Device and method for estimating position of signal transmitting source in short range field with array antenna

Also Published As

Publication number Publication date
GB7900524D0 (en) 1996-04-24
GB2297449A (en) 1996-07-31

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Legal Events

Date Code Title Description
730 Substitution of applicants allowed (sect. 30/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19990107