DK486987D0 - PROCEDURE FOR REDUCING FALSE MEASURES IN AN IMPULSION - Google Patents

PROCEDURE FOR REDUCING FALSE MEASURES IN AN IMPULSION

Info

Publication number
DK486987D0
DK486987D0 DK486987A DK486987A DK486987D0 DK 486987 D0 DK486987 D0 DK 486987D0 DK 486987 A DK486987 A DK 486987A DK 486987 A DK486987 A DK 486987A DK 486987 D0 DK486987 D0 DK 486987D0
Authority
DK
Denmark
Prior art keywords
impulsion
procedure
reducing false
measures
false measures
Prior art date
Application number
DK486987A
Other languages
Danish (da)
Other versions
DK486987A (en
Inventor
Albrecht Ludloff
Manfred Minker
Original Assignee
Licentia Gmbh
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
Application filed by Licentia Gmbh filed Critical Licentia Gmbh
Publication of DK486987D0 publication Critical patent/DK486987D0/en
Publication of DK486987A publication Critical patent/DK486987A/en

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
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/22—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using irregular pulse repetition frequency
    • G01S13/227—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using irregular pulse repetition frequency with repetitive trains of uniform pulse sequences, each sequence having a different pulse repetition frequency
    • 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
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/24—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using frequency agility of carrier wave
    • 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
    • G01S13/5246—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 post processors for coherent MTI discriminators, e.g. residue cancellers, CFAR after Doppler filters
    • 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

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)
  • Radar Systems Or Details Thereof (AREA)
DK486987A 1986-09-17 1987-09-16 PROCEDURE FOR REDUCING FALSE MEASURES IN AN IMPULSION DK486987A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863631585 DE3631585A1 (en) 1986-09-17 1986-09-17 METHOD FOR REDUCING INCORRECT TARGET MESSAGES IN A PULSE DOPPLER RADAR

Publications (2)

Publication Number Publication Date
DK486987D0 true DK486987D0 (en) 1987-09-16
DK486987A DK486987A (en) 1988-03-18

Family

ID=6309749

Family Applications (1)

Application Number Title Priority Date Filing Date
DK486987A DK486987A (en) 1986-09-17 1987-09-16 PROCEDURE FOR REDUCING FALSE MEASURES IN AN IMPULSION

Country Status (3)

Country Link
EP (1) EP0260670B1 (en)
DE (2) DE3631585A1 (en)
DK (1) DK486987A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0381038A1 (en) * 1989-01-31 1990-08-08 Siemens-Albis Aktiengesellschaft Radar system
NL9401767A (en) * 1994-10-25 1996-06-03 Hollandse Signaalapparaten Bv Radar device.
DE19543789C2 (en) * 1995-11-24 1999-11-11 Daimlerchrysler Aerospace Ag Method for detecting a moving target using a pulse Doppler radar and arrangement for carrying out the method
JP2006118924A (en) 2004-10-20 2006-05-11 Tdk Corp Pulse radar system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4106019A (en) * 1972-10-05 1978-08-08 Hughes Aircraft Company Range resolving doppler radar system
US4057800A (en) * 1976-06-01 1977-11-08 Grumman Aerospace Corporation Multi-PRF signal processor system
NL8005923A (en) * 1980-10-29 1982-05-17 Hollandse Signaalapparaten Bv PLOT GENERATOR.
FR2494855A1 (en) * 1980-11-27 1982-05-28 Lmt Radio Professionelle Doppler radar for detecting targets in ground clutter - uses spectral analyser to process fast fourier transform algorithm using synchroniser to distinguish range gates
US4550318A (en) * 1982-02-03 1985-10-29 The Johns Hopkins University Retrospective data filter
IT1189312B (en) * 1982-07-08 1988-02-04 Selenia Ind Elettroniche Device for post detection cancelling of erroneous radar echoes
US4607258A (en) * 1983-03-10 1986-08-19 Sperry Corporation Radar video dehancer

Also Published As

Publication number Publication date
DK486987A (en) 1988-03-18
DE3789262D1 (en) 1994-04-14
EP0260670A3 (en) 1990-05-16
EP0260670A2 (en) 1988-03-23
EP0260670B1 (en) 1994-03-09
DE3631585A1 (en) 1988-03-31

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment