GB2298538B - Radar system - Google Patents

Radar system

Info

Publication number
GB2298538B
GB2298538B GB9004455A GB9004455A GB2298538B GB 2298538 B GB2298538 B GB 2298538B GB 9004455 A GB9004455 A GB 9004455A GB 9004455 A GB9004455 A GB 9004455A GB 2298538 B GB2298538 B GB 2298538B
Authority
GB
United Kingdom
Prior art keywords
radar system
radar
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.)
Expired - Fee Related
Application number
GB9004455A
Other versions
GB2298538A (en
GB9004455D0 (en
Inventor
Peter Donald Fraser Tait
David J Shephard
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.)
BAE Systems Electronics Ltd
Original Assignee
GEC Marconi Ltd
Marconi Co 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 GEC Marconi Ltd, Marconi Co Ltd filed Critical GEC Marconi Ltd
Priority to GB9004455A priority Critical patent/GB2298538B/en
Publication of GB9004455D0 publication Critical patent/GB9004455D0/en
Publication of GB2298538A publication Critical patent/GB2298538A/en
Application granted granted Critical
Publication of GB2298538B publication Critical patent/GB2298538B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G01S7/292—Extracting wanted echo-signals
    • G01S7/2923—Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods
    • 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
    • G01S13/103—Systems for measuring distance only using transmission of interrupted, pulse modulated waves particularities of the measurement of the distance
    • 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
    • G01S13/66—Radar-tracking systems; Analogous systems
    • G01S13/72—Radar-tracking systems; Analogous systems for two-dimensional tracking, e.g. combination of angle and range tracking, track-while-scan radar
    • 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
    • G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
    • 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
    • G01S7/411—Identification of targets based on measurements of radar reflectivity
    • 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

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)
GB9004455A 1990-02-28 1990-02-28 Radar system Expired - Fee Related GB2298538B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9004455A GB2298538B (en) 1990-02-28 1990-02-28 Radar system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9004455A GB2298538B (en) 1990-02-28 1990-02-28 Radar system

Publications (3)

Publication Number Publication Date
GB9004455D0 GB9004455D0 (en) 1996-04-24
GB2298538A GB2298538A (en) 1996-09-04
GB2298538B true GB2298538B (en) 1997-03-19

Family

ID=10671730

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9004455A Expired - Fee Related GB2298538B (en) 1990-02-28 1990-02-28 Radar system

Country Status (1)

Country Link
GB (1) GB2298538B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10053061A1 (en) * 2000-10-26 2002-05-08 Dornier Gmbh Method for adaptive target processing in a motor vehicle radar
US7576680B1 (en) * 2006-08-09 2009-08-18 Rockwell Collins, Inc. Pulse pattern for weather phenomenon and incursion detection system and method
DE102009018311A1 (en) * 2009-04-22 2010-10-28 Valeo Schalter Und Sensoren Gmbh Method and apparatus for operating a radar-based environment recognition system
AU2010340812B2 (en) 2010-01-11 2014-05-15 Bae Systems Plc Pulse radar range profile motion compensation
US11310451B1 (en) 2019-09-05 2022-04-19 Waymo Llc Smart sensor with region of interest capabilities
US11428550B2 (en) * 2020-03-03 2022-08-30 Waymo Llc Sensor region of interest selection based on multisensor data
US11756283B2 (en) 2020-12-16 2023-09-12 Waymo Llc Smart sensor implementations of region of interest operating modes
CN113189547B (en) * 2021-04-20 2023-08-08 成都汇蓉国科微系统技术有限公司 SAR imaging method and system based on synthetic bandwidth frequency scaling
CN113687321B (en) * 2021-08-30 2024-04-19 中国人民解放军海军航空大学航空作战勤务学院 Radar target detection distance evaluation method and device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1291130A (en) * 1968-10-18 1972-09-27 Hollandse Signaalapparaten Bv Radar system for three-dimensional target position finding
GB1408494A (en) * 1972-03-13 1975-10-01 Selenisa Ind Elettroniche Asso Radar data smoothing system
WO1980002325A1 (en) * 1979-04-25 1980-10-30 Ericsson Telefon Ab L M A method in a tracking radar to attain a large unambiguous range for detected targets by means of radar pulses with high repetition frequency

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1291130A (en) * 1968-10-18 1972-09-27 Hollandse Signaalapparaten Bv Radar system for three-dimensional target position finding
GB1408494A (en) * 1972-03-13 1975-10-01 Selenisa Ind Elettroniche Asso Radar data smoothing system
WO1980002325A1 (en) * 1979-04-25 1980-10-30 Ericsson Telefon Ab L M A method in a tracking radar to attain a large unambiguous range for detected targets by means of radar pulses with high repetition frequency

Also Published As

Publication number Publication date
GB2298538A (en) 1996-09-04
GB9004455D0 (en) 1996-04-24

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20070228