BE673682A - - Google Patents

Info

Publication number
BE673682A
BE673682A BE673682DA BE673682A BE 673682 A BE673682 A BE 673682A BE 673682D A BE673682D A BE 673682DA BE 673682 A BE673682 A BE 673682A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE673682A publication Critical patent/BE673682A/xx

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/06Digital 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
    • G11C11/06007Digital 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
    • G11C11/06014Digital 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
    • G11C11/06021Digital 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
    • G11C11/06028Matrixes
    • G11C11/06035Bit core selection for writing or reading, by at least two coincident partial currents, e.g. "bit"- organised, 2L/2D, or 3D
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems 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
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50Systems of measurement based on relative movement of target
    • G01S13/52Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S13/522Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
    • G01S13/524Discriminating 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
    • G01S13/53Discriminating 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
    • G01S13/532Discriminating 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems 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
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50Systems of measurement based on relative movement of target
    • G01S13/58Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S13/64Velocity 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)
BE673682D 1964-12-14 1965-12-14 BE673682A (nl)

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
BE673682A true BE673682A (nl) 1966-06-14

Family

ID=26162100

Family Applications (2)

Application Number Title Priority Date Filing Date
BE673682D BE673682A (nl) 1964-12-14 1965-12-14
BE682015D BE682015A (nl) 1964-12-14 1966-06-03

Family Applications After (1)

Application Number Title Priority Date Filing Date
BE682015D BE682015A (nl) 1964-12-14 1966-06-03

Country Status (6)

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

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
NL285502A (nl) * 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
GB1132284A (en) 1968-10-30
CH440394A (fr) 1967-07-31
DE1297168B (de) 1969-06-12
DE1285578B (de) 1968-12-19
US3359556A (en) 1967-12-19
GB1113022A (en) 1968-05-08
BE682015A (nl) 1966-12-05
NL150235B (nl) 1976-07-15
NL6516291A (nl) 1966-06-15

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