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GB2487374B - Radar system synthesising a broadband waveform from a series of narrowband chirps and accounting for Doppler of a target between chirps - Google Patents

Radar system synthesising a broadband waveform from a series of narrowband chirps and accounting for Doppler of a target between chirps

Info

Publication number
GB2487374B
GB2487374B GB1100839.8A GB201100839A GB2487374B GB 2487374 B GB2487374 B GB 2487374B GB 201100839 A GB201100839 A GB 201100839A GB 2487374 B GB2487374 B GB 2487374B
Authority
GB
United Kingdom
Prior art keywords
chirps
narrowband
doppler
accounting
target
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.)
Active
Application number
GB1100839.8A
Other versions
GB201100839D0 (en
GB2487374A (en
Inventor
Gerald Stove Andrew
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.)
Thales Holdings UK PLC
Original Assignee
Thales Holdings UK PLC
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 Thales Holdings UK PLC filed Critical Thales Holdings UK PLC
Priority to GB1100839.8A priority Critical patent/GB2487374B/en
Publication of GB201100839D0 publication Critical patent/GB201100839D0/en
Publication of GB2487374A publication Critical patent/GB2487374A/en
Application granted granted Critical
Publication of GB2487374B publication Critical patent/GB2487374B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G01S13/24—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
    • G01S13/06—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
    • G01S13/26—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave
    • G01S13/28—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses
    • G01S13/282—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses using a frequency modulated 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
    • G01S13/06—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
    • G01S13/30—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using more than one pulse per radar period
    • 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
    • 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
    • G01S7/28—Details of pulse systems
    • G01S7/285—Receivers

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)
GB1100839.8A 2011-01-18 2011-01-18 Radar system synthesising a broadband waveform from a series of narrowband chirps and accounting for Doppler of a target between chirps Active GB2487374B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1100839.8A GB2487374B (en) 2011-01-18 2011-01-18 Radar system synthesising a broadband waveform from a series of narrowband chirps and accounting for Doppler of a target between chirps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1100839.8A GB2487374B (en) 2011-01-18 2011-01-18 Radar system synthesising a broadband waveform from a series of narrowband chirps and accounting for Doppler of a target between chirps

Publications (3)

Publication Number Publication Date
GB201100839D0 GB201100839D0 (en) 2011-09-28
GB2487374A GB2487374A (en) 2012-07-25
GB2487374B true GB2487374B (en) 2016-07-27

Family

ID=44764327

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1100839.8A Active GB2487374B (en) 2011-01-18 2011-01-18 Radar system synthesising a broadband waveform from a series of narrowband chirps and accounting for Doppler of a target between chirps

Country Status (1)

Country Link
GB (1) GB2487374B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016100217A1 (en) * 2016-01-06 2017-07-06 Hella Kgaa Hueck & Co. radar sensor
DE102018102816B3 (en) * 2018-02-08 2019-07-04 Infineon Technologies Ag RADAR WITH PHASE CORRECTION
US11187783B2 (en) * 2018-08-14 2021-11-30 Nxp B.V. Radar systems and methods for operating radar systems
EP3862773A1 (en) * 2020-02-04 2021-08-11 Aptiv Technologies Limited Radar device
EP4012448B1 (en) * 2020-12-11 2025-05-21 Semtech Corporation Doppler ranging system
FR3125888B1 (en) * 2021-07-30 2023-07-07 Thales Sa METHOD FOR OPTIMIZING THE DETERMINATION OF THE DISTANCE OF A TARGET IN RELATION TO A PHASE ENCODED RADAR IN PULSE MODE
CN119484221B (en) * 2024-10-16 2025-10-21 中国电子科技集团有限公司电子科学研究院 A multi-carrier wide-narrowband fusion transmission method and system based on chirp modulation

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4161732A (en) * 1976-11-12 1979-07-17 Westinghouse Electric Corp. Gated pulse compression radar
US4309703A (en) * 1979-12-28 1982-01-05 International Business Machines Corporation Segmented chirp waveform implemented radar system
US6750809B1 (en) * 2003-04-15 2004-06-15 Raytheon Company High resolution SAR processing using stepped frequency chirp waveform
US20070188377A1 (en) * 2006-02-10 2007-08-16 Raytheon Company Novel waveform ambiguity optimization for bistatic radar operation
US20070285302A1 (en) * 2004-08-23 2007-12-13 Craig Aarseth Step frequency high resolution radar

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4161732A (en) * 1976-11-12 1979-07-17 Westinghouse Electric Corp. Gated pulse compression radar
US4309703A (en) * 1979-12-28 1982-01-05 International Business Machines Corporation Segmented chirp waveform implemented radar system
US6750809B1 (en) * 2003-04-15 2004-06-15 Raytheon Company High resolution SAR processing using stepped frequency chirp waveform
US20070285302A1 (en) * 2004-08-23 2007-12-13 Craig Aarseth Step frequency high resolution radar
US20070188377A1 (en) * 2006-02-10 2007-08-16 Raytheon Company Novel waveform ambiguity optimization for bistatic radar operation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Hu et al, "Study on non-linear stepped chirp radar system", Proceedings of International Conference on Communications, Circuits and Systems, ICCCAS 2008, IEEE, pages 881 to 885, ISBN 978-1-4244-2063-6 *

Also Published As

Publication number Publication date
GB201100839D0 (en) 2011-09-28
GB2487374A (en) 2012-07-25

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