CH440394A - Mémoire d'un radar Döppler cohérent à impulsions - Google Patents

Mémoire d'un radar Döppler cohérent à impulsions

Info

Publication number
CH440394A
CH440394A CH231866A CH231866A CH440394A CH 440394 A CH440394 A CH 440394A CH 231866 A CH231866 A CH 231866A CH 231866 A CH231866 A CH 231866A CH 440394 A CH440394 A CH 440394A
Authority
CH
Switzerland
Prior art keywords
döppler
pulsed coherent
radar memory
radar
memory
Prior art date
Application number
CH231866A
Other languages
English (en)
Inventor
Jean Bosc Henri
Henri Colin Jean-Marie
Villemagne Jean-Marie
Visocekas Raphael
Original Assignee
Int 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
Priority claimed from FR998546A external-priority patent/FR1438257A/fr
Priority claimed from FR5853A external-priority patent/FR1448794A/fr
Application filed by Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of CH440394A publication Critical patent/CH440394A/fr

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/06—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using single-aperture storage elements, e.g. ring core; using multi-aperture plates in which each individual aperture forms a storage element
    • G11C11/06007—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using single-aperture storage elements, e.g. ring core; using multi-aperture plates in which each individual aperture forms a storage element using a single aperture or single magnetic closed circuit
    • G11C11/06014—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using single-aperture storage elements, e.g. ring core; using multi-aperture plates in which each individual aperture forms a storage element using a single aperture or single magnetic closed circuit using one such element per bit
    • G11C11/06021—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using single-aperture storage elements, e.g. ring core; using multi-aperture plates in which each individual aperture forms a storage element using a single aperture or single magnetic closed circuit using one such element per bit with destructive read-out
    • G11C11/06028—Matrixes
    • G11C11/06035—Bit core selection for writing or reading, by at least two coincident partial currents, e.g. "bit"- organised, 2L/2D, or 3D
    • 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
    • G01S13/522—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
    • G01S13/524—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi
    • G01S13/53—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi performing filtering on a single spectral line and associated with one or more range gates with a phase detector or a frequency mixer to extract the Doppler information, e.g. pulse Doppler radar
    • G01S13/532—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi performing filtering on a single spectral line and associated with one or more range gates with a phase detector or a frequency mixer to extract the Doppler information, e.g. pulse Doppler radar using a bank of range gates or a memory matrix
    • 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
    • G01S13/64—Velocity measuring systems using range gates

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Hardware Design (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
CH231866A 1964-12-14 1966-02-17 Mémoire d'un radar Döppler cohérent à impulsions CH440394A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR998546A FR1438257A (fr) 1964-12-14 1964-12-14 Perfectionnements aux radars doppler à impulsions
FR5853A FR1448794A (fr) 1965-02-17 1965-02-17 Mémoire d'un radar doppler cohérent à impulsions

Publications (1)

Publication Number Publication Date
CH440394A true CH440394A (fr) 1967-07-31

Family

ID=26162100

Family Applications (1)

Application Number Title Priority Date Filing Date
CH231866A CH440394A (fr) 1964-12-14 1966-02-17 Mémoire d'un radar Döppler cohérent à impulsions

Country Status (6)

Country Link
US (1) US3359556A (fr)
BE (2) BE673682A (fr)
CH (1) CH440394A (fr)
DE (2) DE1285578B (fr)
GB (2) GB1113022A (fr)
NL (1) NL150235B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1773649B1 (de) * 1968-06-19 1973-05-10 Hughes Aircraft Co Vorrichtung zur digitalen verarbeitung der von radaranlagen gelieferten dopplermodulierten videosignale
US4117538A (en) * 1977-05-04 1978-09-26 Raytheon Company Radar system with specialized weighting
US4266279A (en) * 1979-03-29 1981-05-05 Motorola, Inc. Memory system for a Doppler radar incorporating a fast Fourier transform computer
JPS56100372A (en) * 1979-12-28 1981-08-12 Ibm Movinggtarget detector
FR2714735B1 (fr) * 1986-11-28 1996-04-12 Thomson Csf Analyseur de spectre et son application à un autodirecteur de missiles du type à antennes d'émission et de réception distinctes et fixes.
US6200066B1 (en) 1998-02-05 2001-03-13 John L. Humphrey Self-propelled vibratory greensroller

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2579269A (en) * 1948-03-31 1951-12-18 Rca Corp Delay device
GB668256A (en) * 1949-10-13 1952-03-12 Cfcmug Improvements in or relating to radar systems
FR84251E (fr) * 1953-07-03 1965-01-08 Central De Telecomm Sa Lab Systèmes de détection électromagnétique d'obstacles mobiles
DE1099598B (de) * 1954-08-31 1961-02-16 Telefunken Gmbh Verfahren zur Kompression des Frequenzbandes eines impulsartigen Signals, wie insbesondere eines Radarempfangssignals
NL215904A (fr) * 1956-03-30
FR1212048A (fr) * 1958-03-04 1960-03-21 L Outil R B V & De La Radioind Perfectionnements aux procédés et dispositifs de détection d'objets
US3178711A (en) * 1959-08-06 1965-04-13 North American Aviation Inc High resolution scanning radar

Also Published As

Publication number Publication date
NL6516291A (fr) 1966-06-15
NL150235B (nl) 1976-07-15
GB1132284A (en) 1968-10-30
US3359556A (en) 1967-12-19
BE682015A (fr) 1966-12-05
BE673682A (fr) 1966-06-14
DE1285578B (de) 1968-12-19
DE1297168B (de) 1969-06-12
GB1113022A (en) 1968-05-08

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