GB1108115A - Improvements in or relating to radio distance measuring systems - Google Patents

Improvements in or relating to radio distance measuring systems

Info

Publication number
GB1108115A
GB1108115A GB4030065A GB4030065A GB1108115A GB 1108115 A GB1108115 A GB 1108115A GB 4030065 A GB4030065 A GB 4030065A GB 4030065 A GB4030065 A GB 4030065A GB 1108115 A GB1108115 A GB 1108115A
Authority
GB
United Kingdom
Prior art keywords
frequency
amplitude
modulation index
modulator
doppler frequency
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
GB4030065A
Other languages
English (en)
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
Publication of GB1108115A publication Critical patent/GB1108115A/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
    • G01S13/06—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
    • G01S13/342—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 sinusoidal modulation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB4030065A 1964-09-24 1965-09-22 Improvements in or relating to radio distance measuring systems Expired GB1108115A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA912488 1964-09-24

Publications (1)

Publication Number Publication Date
GB1108115A true GB1108115A (en) 1968-04-03

Family

ID=4142085

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4030065A Expired GB1108115A (en) 1964-09-24 1965-09-22 Improvements in or relating to radio distance measuring systems

Country Status (3)

Country Link
BE (1) BE669876A (enrdf_load_stackoverflow)
DE (1) DE1289146B (enrdf_load_stackoverflow)
GB (1) GB1108115A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010142267A1 (de) * 2009-06-09 2010-12-16 Metek Meteorologische Messtechnik Gmbh Verfahren und vorrichtung zur messung einer entfernungsänderung

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3427615A (en) * 1966-12-06 1969-02-11 Gen Precision Systems Inc Doppler radar altimetry apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA606650A (en) * 1960-10-11 Canadian Marconi Company Continuous wave radar systems
US2907023A (en) * 1955-04-27 1959-09-29 Leo V Skinner Ground clearance indicator
US3173138A (en) * 1959-03-12 1965-03-09 Itt F.m. continuous wave radar system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010142267A1 (de) * 2009-06-09 2010-12-16 Metek Meteorologische Messtechnik Gmbh Verfahren und vorrichtung zur messung einer entfernungsänderung

Also Published As

Publication number Publication date
DE1289146B (de) 1969-02-13
BE669876A (enrdf_load_stackoverflow) 1966-01-17

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