EP2255218A4 - Moving-entity detection - Google Patents

Moving-entity detection

Info

Publication number
EP2255218A4
EP2255218A4 EP09747027A EP09747027A EP2255218A4 EP 2255218 A4 EP2255218 A4 EP 2255218A4 EP 09747027 A EP09747027 A EP 09747027A EP 09747027 A EP09747027 A EP 09747027A EP 2255218 A4 EP2255218 A4 EP 2255218A4
Authority
EP
European Patent Office
Prior art keywords
moving
entity detection
entity
detection
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
EP09747027A
Other languages
German (de)
French (fr)
Other versions
EP2255218A1 (en
Inventor
Tim Dyson
Todd Mackey
James Mcneill
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
L3 Communications Cyterra Corp
Original Assignee
L3 Communications Cyterra 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
Application filed by L3 Communications Cyterra Corp filed Critical L3 Communications Cyterra Corp
Publication of EP2255218A1 publication Critical patent/EP2255218A1/en
Publication of EP2255218A4 publication Critical patent/EP2255218A4/en
Ceased legal-status Critical Current

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
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/887—Radar or analogous systems specially adapted for specific applications for detection of concealed objects, e.g. contraband or weapons
    • G01S13/888—Radar or analogous systems specially adapted for specific applications for detection of concealed objects, e.g. contraband or weapons through wall detection
    • 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
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
    • G01S13/90—Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques
    • G01S13/9021—SAR image post-processing techniques
    • G01S13/9029—SAR image post-processing techniques specially adapted for moving target detection within a single SAR image or within multiple SAR images taken at the same time
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
    • G01S7/415—Identification of targets based on measurements of movement associated with the target
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
    • H01Q9/27—Spiral antennas

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radar Systems Or Details Thereof (AREA)
EP09747027A 2008-02-25 2009-02-24 Moving-entity detection Ceased EP2255218A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3111308P 2008-02-25 2008-02-25
PCT/US2009/035009 WO2009139941A1 (en) 2008-02-25 2009-02-24 Moving-entity detection

Publications (2)

Publication Number Publication Date
EP2255218A1 EP2255218A1 (en) 2010-12-01
EP2255218A4 true EP2255218A4 (en) 2012-03-07

Family

ID=41318992

Family Applications (2)

Application Number Title Priority Date Filing Date
EP09747026.4A Not-in-force EP2257831B1 (en) 2008-02-25 2009-02-24 Moving-entity detection
EP09747027A Ceased EP2255218A4 (en) 2008-02-25 2009-02-24 Moving-entity detection

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP09747026.4A Not-in-force EP2257831B1 (en) 2008-02-25 2009-02-24 Moving-entity detection

Country Status (4)

Country Link
EP (2) EP2257831B1 (en)
AU (2) AU2009246792A1 (en)
CA (2) CA2716001A1 (en)
WO (2) WO2009139940A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109828249A (en) * 2019-02-22 2019-05-31 北京遥感设备研究所 A kind of calibrating method for synthetic aperture radiometer array

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9063232B2 (en) 2005-04-14 2015-06-23 L-3 Communications Security And Detection Systems, Inc Moving-entity detection
US8362942B2 (en) 2005-04-14 2013-01-29 L-3 Communications Cyterra Corporation Moving-entity detection
US9229102B1 (en) 2009-12-18 2016-01-05 L-3 Communications Security And Detection Systems, Inc. Detection of movable objects
WO2011075639A1 (en) 2009-12-18 2011-06-23 Christopher Gary Sentelle Moving entity detection
CA2691924A1 (en) * 2010-02-05 2011-08-05 Sensotech Inc. Moving edge virtual protecting system
DE102016207463A1 (en) * 2016-04-29 2017-11-02 Robert Bosch Gmbh Method and device for operating at least one vehicle with respect to at least one passable object in the vicinity of the at least one vehicle
US20240111046A1 (en) * 2019-11-12 2024-04-04 GE Precision Healthcare LLC Method and system for flow processing on channel data for application of nonlinear beamforming
CN113219425B (en) * 2021-05-11 2022-11-22 上海涵润汽车电子有限公司 Test method and system for radar target detection performance
CN118226170B (en) * 2024-03-29 2025-03-07 岚图汽车科技有限公司 Electromagnetic compatibility testing method, device, equipment and storage medium

Citations (11)

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EP0795761A2 (en) * 1996-03-12 1997-09-17 Fujitsu Limited Radar apparatus with a simplified construction
US5673050A (en) * 1996-06-14 1997-09-30 Moussally; George Three-dimensional underground imaging radar system
US6028548A (en) * 1997-01-17 2000-02-22 Automotive Systems Laboratory, Inc. Vehicle collision radar with randomized FSK waveform
US6417797B1 (en) * 1998-07-14 2002-07-09 Cirrus Logic, Inc. System for A multi-purpose portable imaging device and methods for using same
US20020109624A1 (en) * 2000-11-15 2002-08-15 Geophysical Survey Systems, Inc. Impulse radar security system
US20020175849A1 (en) * 2001-04-02 2002-11-28 Arndt G. Dickey Method for locating a concealed object
US20060028369A1 (en) * 2004-08-05 2006-02-09 Rausch Ekkehart O Suppressing motion interference in a radar detection system
US20060284758A1 (en) * 2003-08-15 2006-12-21 Gregory Stilwell Multi-mode landmine detector
EP1775600A1 (en) * 2004-08-02 2007-04-18 Mitsubishi Electric Corporation Radar apparatus
US20070171119A1 (en) * 2006-01-24 2007-07-26 Raytheon Company Micro movement pulsed radar system and method of phase noise compensation
WO2008001092A2 (en) * 2006-06-28 2008-01-03 Cambridge Consultants Limited Radar for through wall detection

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US5861837A (en) * 1997-03-19 1999-01-19 Northrop Grumman Corporation Poly-frequency CW doppler radar system with leakage cancellation and method
US6512976B1 (en) * 2001-04-27 2003-01-28 Honeywell International Inc. Method and system for terrain aided navigation
US6909397B1 (en) * 2003-12-10 2005-06-21 Georgia Tech Research Corporation Stabilizing motion in a radar detection system using ultrasonic radar range information
US7089099B2 (en) * 2004-07-30 2006-08-08 Automotive Technologies International, Inc. Sensor assemblies
US7307575B2 (en) * 2004-09-14 2007-12-11 Bae Systems Information And Electronic Systems Integration Inc. Through-the-wall frequency stepped imaging system utilizing near field multiple antenna positions, clutter rejection and corrections for frequency dependent wall effects
US6970128B1 (en) * 2004-10-06 2005-11-29 Raytheon Company Motion compensated synthetic aperture imaging system and methods for imaging

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0795761A2 (en) * 1996-03-12 1997-09-17 Fujitsu Limited Radar apparatus with a simplified construction
US5673050A (en) * 1996-06-14 1997-09-30 Moussally; George Three-dimensional underground imaging radar system
US6028548A (en) * 1997-01-17 2000-02-22 Automotive Systems Laboratory, Inc. Vehicle collision radar with randomized FSK waveform
US6417797B1 (en) * 1998-07-14 2002-07-09 Cirrus Logic, Inc. System for A multi-purpose portable imaging device and methods for using same
US20020109624A1 (en) * 2000-11-15 2002-08-15 Geophysical Survey Systems, Inc. Impulse radar security system
US20020175849A1 (en) * 2001-04-02 2002-11-28 Arndt G. Dickey Method for locating a concealed object
US20060284758A1 (en) * 2003-08-15 2006-12-21 Gregory Stilwell Multi-mode landmine detector
EP1775600A1 (en) * 2004-08-02 2007-04-18 Mitsubishi Electric Corporation Radar apparatus
US20060028369A1 (en) * 2004-08-05 2006-02-09 Rausch Ekkehart O Suppressing motion interference in a radar detection system
US20070171119A1 (en) * 2006-01-24 2007-07-26 Raytheon Company Micro movement pulsed radar system and method of phase noise compensation
WO2008001092A2 (en) * 2006-06-28 2008-01-03 Cambridge Consultants Limited Radar for through wall detection

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
FALCONER D G ET AL: "Detection, location, and identification of building occupants using a robot-mounted through-wall radar", PROCEEDINGS OF SPIE, S P I E - INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING, US, vol. 4037, 1 January 2000 (2000-01-01), pages 72 - 81, XP002456746, ISSN: 0277-786X, ISBN: 978-1-62841-213-0, DOI: 10.1117/12.395028 *
GUOLONG CUI ET AL: "A Back-projection algorithm to stepped-frequency synthetic aperture through-the-wall radar imaging", SYNTHETIC APERTURE RADAR, 2007. APSAR 2007. 1ST ASIAN AND PACIFIC CONFERENCE ON, 1 January 2007 (2007-01-01), pages 123 - 126, XP055466887, ISBN: 978-1-4244-1187-0, DOI: 10.1109/APSAR.2007.4418570 *
HUNT A R: "A wideband imaging radar for through-the-wall surveillance", VISUAL COMMUNICATIONS AND IMAGE PROCESSING; 20-1-2004 - 20-1-2004; SAN JOSE,, vol. 5403, no. 1, 12 April 2004 (2004-04-12), pages 590 - 596, XP002456749, ISBN: 978-1-62841-730-2, DOI: 10.1117/12.542718 *
MOJTABA DEHMOLLAIAN ET AL: "Refocusing through building walls using synthetic aperture radar", ANTENNAS AND PROPAGATION INTERNATIONAL SYMPOSIUM, 2007 IEEE, IEEE, PISCATAWAY, NJ, USA, 1 June 2007 (2007-06-01), pages 1465 - 1468, XP031169426, ISBN: 978-1-4244-0877-1 *
See also references of WO2009139941A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109828249A (en) * 2019-02-22 2019-05-31 北京遥感设备研究所 A kind of calibrating method for synthetic aperture radiometer array

Also Published As

Publication number Publication date
WO2009139940A1 (en) 2009-11-19
EP2257831A4 (en) 2012-05-23
EP2257831A1 (en) 2010-12-08
WO2009139941A1 (en) 2009-11-19
AU2009246792A1 (en) 2009-11-19
EP2255218A1 (en) 2010-12-01
EP2257831B1 (en) 2016-11-16
AU2009246791A1 (en) 2009-11-19
CA2716001A1 (en) 2009-11-19
CA2715902A1 (en) 2009-11-19

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