NO20044023L - Adaptivt system samt fremgangsmate for radardeteksjon - Google Patents

Adaptivt system samt fremgangsmate for radardeteksjon

Info

Publication number
NO20044023L
NO20044023L NO20044023A NO20044023A NO20044023L NO 20044023 L NO20044023 L NO 20044023L NO 20044023 A NO20044023 A NO 20044023A NO 20044023 A NO20044023 A NO 20044023A NO 20044023 L NO20044023 L NO 20044023L
Authority
NO
Norway
Prior art keywords
detection
target
amplitude
doppler
threshold value
Prior art date
Application number
NO20044023A
Other languages
English (en)
Norwegian (no)
Inventor
Reza Dizaji
Tony Ponsford
Original Assignee
Raytheon Canada Ltd
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 Raytheon Canada Ltd filed Critical Raytheon Canada Ltd
Publication of NO20044023L publication Critical patent/NO20044023L/no

Links

Classifications

    • 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
    • G01S13/5244Adaptive clutter cancellation
    • 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
    • G01S13/0209Systems with very large relative bandwidth, i.e. larger than 10 %, e.g. baseband, pulse, carrier-free, ultrawideband
    • 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28Details of pulse systems
    • G01S7/285Receivers
    • G01S7/292Extracting wanted echo-signals
    • G01S7/2923Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods
    • G01S7/2927Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods by deriving and controlling a threshold value
    • 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28Details of pulse systems
    • G01S7/285Receivers
    • G01S7/288Coherent receivers
    • G01S7/2883Coherent receivers using FFT processing

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
NO20044023A 2002-03-13 2004-09-24 Adaptivt system samt fremgangsmate for radardeteksjon NO20044023L (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US36356902P 2002-03-13 2002-03-13
US36519102P 2002-03-19 2002-03-19
PCT/US2003/006958 WO2003079046A1 (en) 2002-03-13 2003-03-07 An adaptive system and method for radar detection

Publications (1)

Publication Number Publication Date
NO20044023L true NO20044023L (no) 2004-12-09

Family

ID=28045313

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20044023A NO20044023L (no) 2002-03-13 2004-09-24 Adaptivt system samt fremgangsmate for radardeteksjon

Country Status (13)

Country Link
US (1) US6717545B2 (ko)
EP (1) EP1485730B1 (ko)
JP (1) JP2005520161A (ko)
KR (1) KR20040091699A (ko)
CN (1) CN1643398A (ko)
AT (1) ATE304179T1 (ko)
AU (1) AU2003213762A1 (ko)
BR (1) BR0308287A (ko)
DE (1) DE60301564T2 (ko)
ES (1) ES2248735T3 (ko)
NO (1) NO20044023L (ko)
RU (1) RU2004130472A (ko)
WO (1) WO2003079046A1 (ko)

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Also Published As

Publication number Publication date
DE60301564T2 (de) 2006-06-14
JP2005520161A (ja) 2005-07-07
ATE304179T1 (de) 2005-09-15
ES2248735T3 (es) 2006-03-16
AU2003213762A1 (en) 2003-09-29
RU2004130472A (ru) 2005-05-27
DE60301564D1 (de) 2005-10-13
BR0308287A (pt) 2005-01-11
EP1485730B1 (en) 2005-09-07
US20030174088A1 (en) 2003-09-18
WO2003079046A9 (en) 2004-09-30
US6717545B2 (en) 2004-04-06
WO2003079046A1 (en) 2003-09-25
EP1485730A1 (en) 2004-12-15
KR20040091699A (ko) 2004-10-28
CN1643398A (zh) 2005-07-20

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