GB820399A - Improvements in or relating to radar systems - Google Patents

Improvements in or relating to radar systems

Info

Publication number
GB820399A
GB820399A GB2427351A GB2427351A GB820399A GB 820399 A GB820399 A GB 820399A GB 2427351 A GB2427351 A GB 2427351A GB 2427351 A GB2427351 A GB 2427351A GB 820399 A GB820399 A GB 820399A
Authority
GB
United Kingdom
Prior art keywords
relating
radar systems
radar
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
Application number
GB2427351A
Inventor
Percy Samuel Brandon
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
Marconis Wireless Telegraph 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 Marconis Wireless Telegraph Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Priority to GB2427351A priority Critical patent/GB820399A/en
Publication of GB820399A publication Critical patent/GB820399A/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
    • 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
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S13/536—Discriminating between fixed and moving objects or between objects moving at different speeds using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves
    • 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
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • G01S13/343—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal using sawtooth modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
GB2427351A 1951-10-17 1951-10-17 Improvements in or relating to radar systems Expired GB820399A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2427351A GB820399A (en) 1951-10-17 1951-10-17 Improvements in or relating to radar systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2427351A GB820399A (en) 1951-10-17 1951-10-17 Improvements in or relating to radar systems

Publications (1)

Publication Number Publication Date
GB820399A true GB820399A (en) 1959-09-16

Family

ID=10209126

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2427351A Expired GB820399A (en) 1951-10-17 1951-10-17 Improvements in or relating to radar systems

Country Status (1)

Country Link
GB (1) GB820399A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2633725A1 (en) * 1988-07-01 1990-01-05 Trt Telecom Radio Electr RADIOALTIMETER RADAR SYSTEM WITH CONTINUOUS WAVE MODULATED IN FREQUENCY

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2633725A1 (en) * 1988-07-01 1990-01-05 Trt Telecom Radio Electr RADIOALTIMETER RADAR SYSTEM WITH CONTINUOUS WAVE MODULATED IN FREQUENCY
EP0350095A1 (en) * 1988-07-01 1990-01-10 Telecommunications Radioelectriques Et Telephoniques T.R.T. Radar radio altimeter system using frequency-modulated continuous waves

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