NL150235B - Pulsdopplerradarstelsel. - Google Patents

Pulsdopplerradarstelsel.

Info

Publication number
NL150235B
NL150235B NL656516291A NL6516291A NL150235B NL 150235 B NL150235 B NL 150235B NL 656516291 A NL656516291 A NL 656516291A NL 6516291 A NL6516291 A NL 6516291A NL 150235 B NL150235 B NL 150235B
Authority
NL
Netherlands
Prior art keywords
radar system
doppler radar
pulse doppler
pulse
radar
Prior art date
Application number
NL656516291A
Other languages
English (en)
Dutch (nl)
Other versions
NL6516291A (fr
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 NL6516291A publication Critical patent/NL6516291A/xx
Publication of NL150235B publication Critical patent/NL150235B/xx

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)
NL656516291A 1964-12-14 1965-12-14 Pulsdopplerradarstelsel. NL150235B (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 (2)

Publication Number Publication Date
NL6516291A NL6516291A (fr) 1966-06-15
NL150235B true NL150235B (nl) 1976-07-15

Family

ID=26162100

Family Applications (1)

Application Number Title Priority Date Filing Date
NL656516291A NL150235B (nl) 1964-12-14 1965-12-14 Pulsdopplerradarstelsel.

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
NL285502A (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
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
BE673682A (fr) 1966-06-14
GB1113022A (en) 1968-05-08
BE682015A (fr) 1966-12-05
NL6516291A (fr) 1966-06-15

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: STANDARD ELEC