EP0897544A4 - Radar/sonar system concept for extended range-doppler coverage - Google Patents

Radar/sonar system concept for extended range-doppler coverage

Info

Publication number
EP0897544A4
EP0897544A4 EP97927606A EP97927606A EP0897544A4 EP 0897544 A4 EP0897544 A4 EP 0897544A4 EP 97927606 A EP97927606 A EP 97927606A EP 97927606 A EP97927606 A EP 97927606A EP 0897544 A4 EP0897544 A4 EP 0897544A4
Authority
EP
European Patent Office
Prior art keywords
radar
extended range
sonar system
system concept
doppler coverage
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.)
Withdrawn
Application number
EP97927606A
Other languages
German (de)
French (fr)
Other versions
EP0897544A1 (en
Inventor
Grealie A Andrews Jr
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.)
Individual
Original Assignee
Individual
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 US08/796,749 external-priority patent/US5808580A/en
Application filed by Individual filed Critical Individual
Publication of EP0897544A1 publication Critical patent/EP0897544A1/en
Publication of EP0897544A4 publication Critical patent/EP0897544A4/en
Withdrawn legal-status Critical Current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
    • G01S13/02—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
    • G01S13/581—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of interrupted pulse modulated waves and based upon the Doppler effect resulting from movement of targets
    • G01S13/582—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of interrupted pulse modulated waves and based upon the Doppler effect resulting from movement of targets adapted for simultaneous range and velocity measurements
    • 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
    • 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
    • G01S13/20—Systems for measuring distance only using transmission of interrupted, pulse modulated waves whereby multiple time-around echoes are used or eliminated
    • 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
    • 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50—Systems of measurement, based on relative movement of the target
    • G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S15/582—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of interrupted pulse-modulated waves and based upon the Doppler effect resulting from movement of targets
    • G01S15/584—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of interrupted pulse-modulated waves and based upon the Doppler effect resulting from movement of targets with measures taken for suppressing velocity ambiguities, i.e. anti-aliasing
    • 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8902—Side-looking sonar
    • G01S15/8904—Side-looking sonar using synthetic aperture techniques
EP97927606A 1996-05-08 1997-04-30 Radar/sonar system concept for extended range-doppler coverage Withdrawn EP0897544A4 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US796749 1991-11-25
US1677996P 1996-05-08 1996-05-08
US16779P 1996-05-08
US08/796,749 US5808580A (en) 1997-02-06 1997-02-06 Radar/sonar system concept for extended range-doppler coverage
PCT/US1997/006807 WO1997042520A1 (en) 1996-05-08 1997-04-30 Radar/sonar system concept for extended range-doppler coverage

Publications (2)

Publication Number Publication Date
EP0897544A1 EP0897544A1 (en) 1999-02-24
EP0897544A4 true EP0897544A4 (en) 2000-05-24

Family

ID=26689055

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97927606A Withdrawn EP0897544A4 (en) 1996-05-08 1997-04-30 Radar/sonar system concept for extended range-doppler coverage

Country Status (7)

Country Link
EP (1) EP0897544A4 (en)
JP (1) JP2000509811A (en)
AU (1) AU712338B2 (en)
CA (1) CA2253235A1 (en)
IL (1) IL126925A0 (en)
NO (1) NO985154L (en)
WO (1) WO1997042520A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6020843A (en) * 1999-03-30 2000-02-01 Raytheon Company Technique for implementing very large pulse compression biphase codes
DE60313598T2 (en) * 2003-07-07 2008-01-17 Mitsubishi Denki K.K. Verzögerungszeitdiskriminator
DE102008040248A1 (en) 2008-07-08 2010-01-14 Robert Bosch Gmbh Method and device for determining a speed of an object
US8698670B2 (en) * 2011-06-01 2014-04-15 Panasonic Corporation High speed high resolution wide range low power analog correlator and radar sensor
US8576116B2 (en) * 2011-10-20 2013-11-05 Panasonic Corporation High speed high resolution wide range low power analog correlator and radar sensor
EP3508878A1 (en) * 2012-03-19 2019-07-10 Panasonic Corporation Radar device
CA2870789C (en) 2012-04-26 2017-09-26 Propagation Research Associates, Inc. Method and system for using orthogonal space projections to mitigate interference
US9482744B1 (en) 2014-01-23 2016-11-01 Lockheed Martin Corporation Staggered pulse repetition frequency doppler processing
KR101634455B1 (en) * 2014-05-23 2016-07-11 중앙대학교 산학협력단 Radar using linear frequency modulation signal and noise signal, and method for controlling the same
RU2570430C1 (en) * 2014-10-13 2015-12-10 Акционерное Общество "Концерн "Океанприбор" Method of classifying noisy objects
US10571224B2 (en) 2015-05-04 2020-02-25 Propagation Research Associates, Inc. Systems, methods and computer-readable media for improving platform guidance or navigation using uniquely coded signals
DE102015119650A1 (en) * 2015-11-13 2017-05-18 Valeo Schalter Und Sensoren Gmbh Method for validating at least one target detection of a target object, computing device, driver assistance system and motor vehicle
DE102017205649B3 (en) 2017-04-03 2018-03-22 Deutsches Zentrum für Luft- und Raumfahrt e.V. Method and device for the computer-aided processing of raw SAR data
CN109597060B (en) * 2018-12-07 2021-06-25 北京敏视达雷达有限公司 Radar speed measurement method and device
US11018705B1 (en) 2020-07-17 2021-05-25 Propagation Research Associates, Inc. Interference mitigation, target detection, location and measurement using separable waveforms transmitted from spatially separated antennas
CN112014833B (en) * 2020-09-04 2023-11-14 上海无线电设备研究所 High-speed target time-frequency domain detection method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5347281A (en) * 1976-07-23 1994-09-13 The United States Of America As Represented By The Secretary Of The Navy Frequency-coded monopulse MTI

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4328495A (en) * 1980-04-28 1982-05-04 Honeywell Inc. Unambiguous doppler radar
US4353067A (en) * 1980-08-29 1982-10-05 Westinghouse Electric Corp. Method of reducing side lobes of complementary coded pulses in a coherent pulse compression doppler radar receiving system
US4566010A (en) * 1982-04-28 1986-01-21 Raytheon Company Processing arrangement for pulse compression radar
US5555532A (en) * 1984-05-23 1996-09-10 The United States Of America As Represented By The Secretary Of The Navy Method and apparatus for target imaging with sidelooking sonar
US4933914A (en) * 1987-01-15 1990-06-12 Hughes Aircraft Company Channel adaptive active sonar
US5173706A (en) * 1991-04-16 1992-12-22 General Electric Company Radar processor with range sidelobe reduction following doppler filtering
DE4132240A1 (en) * 1991-09-27 1993-04-01 Telefunken Systemtechnik PROCESS FOR SIGNAL PROCESSING FOR A RADAR SYSTEM

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5347281A (en) * 1976-07-23 1994-09-13 The United States Of America As Represented By The Secretary Of The Navy Frequency-coded monopulse MTI

Also Published As

Publication number Publication date
EP0897544A1 (en) 1999-02-24
NO985154D0 (en) 1998-11-05
JP2000509811A (en) 2000-08-02
WO1997042520A1 (en) 1997-11-13
NO985154L (en) 1998-12-23
AU3203497A (en) 1997-11-26
AU712338B2 (en) 1999-11-04
IL126925A0 (en) 1999-09-22
CA2253235A1 (en) 1997-11-13

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