GB2477326B - A method and apparatus for generating a change-detection signal for a physical system - Google Patents

A method and apparatus for generating a change-detection signal for a physical system

Info

Publication number
GB2477326B
GB2477326B GB201001531A GB201001531A GB2477326B GB 2477326 B GB2477326 B GB 2477326B GB 201001531 A GB201001531 A GB 201001531A GB 201001531 A GB201001531 A GB 201001531A GB 2477326 B GB2477326 B GB 2477326B
Authority
GB
United Kingdom
Prior art keywords
generating
change
detection signal
physical system
physical
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
GB201001531A
Other versions
GB2477326A (en
GB201001531D0 (en
Inventor
Stuart Ingram
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 GB201001531A priority Critical patent/GB2477326B/en
Publication of GB201001531D0 publication Critical patent/GB201001531D0/en
Publication of GB2477326A publication Critical patent/GB2477326A/en
Application granted granted Critical
Publication of GB2477326B publication Critical patent/GB2477326B/en
Expired - Fee Related 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
    • G01S13/50—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
    • G01S13/5244—Adaptive clutter cancellation
    • 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
    • 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
GB201001531A 2010-01-29 2010-01-29 A method and apparatus for generating a change-detection signal for a physical system Expired - Fee Related GB2477326B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB201001531A GB2477326B (en) 2010-01-29 2010-01-29 A method and apparatus for generating a change-detection signal for a physical system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201001531A GB2477326B (en) 2010-01-29 2010-01-29 A method and apparatus for generating a change-detection signal for a physical system

Publications (3)

Publication Number Publication Date
GB201001531D0 GB201001531D0 (en) 2010-03-17
GB2477326A GB2477326A (en) 2011-08-03
GB2477326B true GB2477326B (en) 2014-08-13

Family

ID=42084215

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201001531A Expired - Fee Related GB2477326B (en) 2010-01-29 2010-01-29 A method and apparatus for generating a change-detection signal for a physical system

Country Status (1)

Country Link
GB (1) GB2477326B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3882498A (en) * 1973-02-22 1975-05-06 Gen Electric Adaptive array processor providing improved mainlobe maintenance
US4053884A (en) * 1976-03-26 1977-10-11 The United States Of America As Represented By The Secretary Of The Navy High prf unambiguous range radar
US4096478A (en) * 1971-07-06 1978-06-20 International Telephone And Telegraph Corporation Intra-pulse MTI system with range ambiguity suppression
WO2008007964A1 (en) * 2006-07-13 2008-01-17 Telefonaktiebolaget Lm Ericsson (Publ) A method and radar system for coherent detection of moving objects

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4096478A (en) * 1971-07-06 1978-06-20 International Telephone And Telegraph Corporation Intra-pulse MTI system with range ambiguity suppression
US3882498A (en) * 1973-02-22 1975-05-06 Gen Electric Adaptive array processor providing improved mainlobe maintenance
US4053884A (en) * 1976-03-26 1977-10-11 The United States Of America As Represented By The Secretary Of The Navy High prf unambiguous range radar
WO2008007964A1 (en) * 2006-07-13 2008-01-17 Telefonaktiebolaget Lm Ericsson (Publ) A method and radar system for coherent detection of moving objects

Also Published As

Publication number Publication date
GB2477326A (en) 2011-08-03
GB201001531D0 (en) 2010-03-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20210129