GB1359851A - Frequency -modulated continuous-wave radar system - Google Patents

Frequency -modulated continuous-wave radar system

Info

Publication number
GB1359851A
GB1359851A GB754871A GB754871A GB1359851A GB 1359851 A GB1359851 A GB 1359851A GB 754871 A GB754871 A GB 754871A GB 754871 A GB754871 A GB 754871A GB 1359851 A GB1359851 A GB 1359851A
Authority
GB
United Kingdom
Prior art keywords
frequency
oscillator
zero crossings
wave radar
modulated continuous
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
GB754871A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables 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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB754871A priority Critical patent/GB1359851A/en
Priority to DE19722213575 priority patent/DE2213575A1/de
Priority to FR7209963A priority patent/FR2130527B1/fr
Publication of GB1359851A publication Critical patent/GB1359851A/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
    • G01S13/343—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)
  • Radar Systems Or Details Thereof (AREA)
GB754871A 1971-03-23 1971-03-23 Frequency -modulated continuous-wave radar system Expired GB1359851A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB754871A GB1359851A (en) 1971-03-23 1971-03-23 Frequency -modulated continuous-wave radar system
DE19722213575 DE2213575A1 (de) 1971-03-23 1972-03-21 FM/CW-Radargerät
FR7209963A FR2130527B1 (https=) 1971-03-23 1972-03-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB754871A GB1359851A (en) 1971-03-23 1971-03-23 Frequency -modulated continuous-wave radar system

Publications (1)

Publication Number Publication Date
GB1359851A true GB1359851A (en) 1974-07-10

Family

ID=9835250

Family Applications (1)

Application Number Title Priority Date Filing Date
GB754871A Expired GB1359851A (en) 1971-03-23 1971-03-23 Frequency -modulated continuous-wave radar system

Country Status (3)

Country Link
DE (1) DE2213575A1 (https=)
FR (1) FR2130527B1 (https=)
GB (1) GB1359851A (https=)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3045233A (en) * 1949-12-30 1962-07-17 Itt Frequency modulation radio altimeter
FR1501040A (fr) * 1966-09-21 1967-11-10 Sfim Appareillage électronique constituant une mémoire de fréquence
US3403398A (en) * 1967-06-01 1968-09-24 Collins Radio Co Double bounce second signal return filter corrected fmcw radio altimeter

Also Published As

Publication number Publication date
DE2213575A1 (de) 1972-09-28
FR2130527B1 (https=) 1975-10-24
FR2130527A1 (https=) 1972-11-03

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees