DE2213575A1 - FM/CW-Radargerät - Google Patents

FM/CW-Radargerät

Info

Publication number
DE2213575A1
DE2213575A1 DE19722213575 DE2213575A DE2213575A1 DE 2213575 A1 DE2213575 A1 DE 2213575A1 DE 19722213575 DE19722213575 DE 19722213575 DE 2213575 A DE2213575 A DE 2213575A DE 2213575 A1 DE2213575 A1 DE 2213575A1
Authority
DE
Germany
Prior art keywords
frequency
signal
astable multivibrator
schmitt trigger
radar device
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.)
Pending
Application number
DE19722213575
Other languages
German (de)
English (en)
Inventor
Rolf; Morton Roger Edward; Harlow Essex Johannessen (Großbritannien)
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of DE2213575A1 publication Critical patent/DE2213575A1/de
Pending 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)
DE19722213575 1971-03-23 1972-03-21 FM/CW-Radargerät Pending DE2213575A1 (de)

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
DE2213575A1 true DE2213575A1 (de) 1972-09-28

Family

ID=9835250

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19722213575 Pending DE2213575A1 (de) 1971-03-23 1972-03-21 FM/CW-Radargerät

Country Status (3)

Country Link
DE (1) DE2213575A1 (OSRAM)
FR (1) FR2130527B1 (OSRAM)
GB (1) GB1359851A (OSRAM)

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
GB1359851A (en) 1974-07-10
FR2130527B1 (OSRAM) 1975-10-24
FR2130527A1 (OSRAM) 1972-11-03

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