FR79415E - Radar improvements - Google Patents

Radar improvements

Info

Publication number
FR79415E
FR79415E FR856398A FR856398A FR79415E FR 79415 E FR79415 E FR 79415E FR 856398 A FR856398 A FR 856398A FR 856398 A FR856398 A FR 856398A FR 79415 E FR79415 E FR 79415E
Authority
FR
France
Prior art keywords
radar
radar improvements
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
FR856398A
Other languages
French (fr)
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
Priority claimed from GB33626/59A external-priority patent/GB869809A/en
Application filed by Marconis Wireless Telegraph Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Priority to FR856398A priority Critical patent/FR79415E/en
Application granted granted Critical
Publication of FR79415E publication Critical patent/FR79415E/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
    • 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
    • G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S13/583—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets
    • G01S13/584—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets adapted for simultaneous range and velocity measurements
FR856398A 1959-10-05 1961-03-22 Radar improvements Expired FR79415E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR856398A FR79415E (en) 1959-10-05 1961-03-22 Radar improvements

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB33626/59A GB869809A (en) 1959-10-05 1959-10-05 Improvements in or relating to radar systems
FR856398A FR79415E (en) 1959-10-05 1961-03-22 Radar improvements

Publications (1)

Publication Number Publication Date
FR79415E true FR79415E (en) 1962-11-30

Family

ID=26189791

Family Applications (1)

Application Number Title Priority Date Filing Date
FR856398A Expired FR79415E (en) 1959-10-05 1961-03-22 Radar improvements

Country Status (1)

Country Link
FR (1) FR79415E (en)

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