NL287919A - - Google Patents

Info

Publication number
NL287919A
NL287919A NL287919DA NL287919A NL 287919 A NL287919 A NL 287919A NL 287919D A NL287919D A NL 287919DA NL 287919 A NL287919 A NL 287919A
Authority
NL
Netherlands
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.)
Publication of NL287919A publication Critical patent/NL287919A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/42Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • 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
    • G01S13/06Systems determining position data of a target
    • G01S13/08Systems for measuring distance only
    • G01S13/10Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/30Systems for measuring distance only using transmission of interrupted, pulse modulated waves using more than one pulse per radar period
    • 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
    • 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
    • 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
    • G01S13/534Discriminating 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 based upon amplitude or phase shift resulting from movement of objects, with reference to the surrounding clutter echo signal, e.g. non coherent MTi, clutter referenced MTi, externally coherent MTi
NL287919D 1962-01-23 NL287919A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR885586A FR1344203A (fr) 1962-01-23 1962-01-23 Perfectionnements aux procédés et dispositifs d'élimination des échos parasites dans un radar

Publications (1)

Publication Number Publication Date
NL287919A true NL287919A (fr)

Family

ID=8771001

Family Applications (1)

Application Number Title Priority Date Filing Date
NL287919D NL287919A (fr) 1962-01-23

Country Status (5)

Country Link
US (1) US3267467A (fr)
DE (1) DE1277949B (fr)
FR (1) FR1344203A (fr)
GB (1) GB1028339A (fr)
NL (1) NL287919A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1402011A (fr) * 1964-04-23 1965-06-11 Thomson Houston Comp Francaise Perfectionnements aux procédés et aux dispositifs d'élimination d'échos de sol dans les systèmes radar
FR1601723A (fr) * 1964-06-02 1970-09-14
US3546670A (en) * 1966-03-15 1970-12-08 Farrington Electronics Inc Reading apparatus including means for re-sensing an item which is difficult to recognize
US5223839A (en) * 1966-06-23 1993-06-29 The United States Of America As Represented By The Secretary Of The Army Radar identification
DE2641689C2 (de) * 1976-09-16 1984-02-02 Siemens AG, 1000 Berlin und 8000 München Pulsradargerät mit Einrichtungen zur Integration der Empfangssignale
GB1604645A (en) * 1977-08-02 1981-12-09 Marconi Co Ltd Radar systems
DE3175682D1 (en) * 1980-09-27 1987-01-15 Marconi Co Ltd Radar, sonar and similar systems
DE3175683D1 (en) * 1980-09-27 1987-01-15 Marconi Co Ltd Radar apparatus
US5005018A (en) * 1982-10-06 1991-04-02 The United States Of America As Represented By The Secretary Of The Navy (U) modulator to provide a continuous stepped frequency signal format
FR2625326B1 (fr) * 1984-05-18 1990-08-03 Thomson Csf Processeur de signaux coherents bruites et application aux systemes radar doppler
US6184820B1 (en) 1984-11-29 2001-02-06 Lockheed Martin Corp. Coherent pulse radar system
US7541970B1 (en) * 2006-08-31 2009-06-02 Rockwell Collins, Inc. Weather radar with spurious reflection lobe mitigation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2840808A (en) * 1946-03-19 1958-06-24 William R Woodward Moving target indication systems
US2842761A (en) * 1953-01-12 1958-07-08 Sperry Rand Corp Moving target indicator radar system
FR1194347A (fr) * 1957-04-09 1959-11-09
NL227051A (fr) * 1957-04-19

Also Published As

Publication number Publication date
FR1344203A (fr) 1963-11-29
GB1028339A (en) 1966-05-04
US3267467A (en) 1966-08-16
DE1277949B (de) 1968-09-19

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