GB2243510B - Improvements in pulse doppler radar systems - Google Patents

Improvements in pulse doppler radar systems

Info

Publication number
GB2243510B
GB2243510B GB9009051A GB9009051A GB2243510B GB 2243510 B GB2243510 B GB 2243510B GB 9009051 A GB9009051 A GB 9009051A GB 9009051 A GB9009051 A GB 9009051A GB 2243510 B GB2243510 B GB 2243510B
Authority
GB
United Kingdom
Prior art keywords
radar systems
doppler radar
pulse doppler
pulse
systems
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 - Lifetime
Application number
GB9009051A
Other versions
GB9009051D0 (en
GB2243510A (en
Inventor
Christopher Lewis
Robert James Barton
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 Defence Systems Ltd
Original Assignee
Siemens Plessey Electronic Systems 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 Siemens Plessey Electronic Systems Ltd filed Critical Siemens Plessey Electronic Systems Ltd
Priority to EP19900312099 priority Critical patent/EP0443243A3/en
Priority to US07/610,210 priority patent/US5070335A/en
Publication of GB9009051D0 publication Critical patent/GB9009051D0/en
Publication of GB2243510A publication Critical patent/GB2243510A/en
Application granted granted Critical
Publication of GB2243510B publication Critical patent/GB2243510B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01S7/41—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
    • 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
GB9009051A 1989-12-21 1990-04-23 Improvements in pulse doppler radar systems Expired - Lifetime GB2243510B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19900312099 EP0443243A3 (en) 1989-12-21 1990-11-05 Pulse doppler radar system
US07/610,210 US5070335A (en) 1989-12-21 1990-11-08 Pulse doppler radar systems for helicopter recognition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898928829A GB8928829D0 (en) 1989-12-21 1989-12-21 Improvements in pulse doppler radar systems

Publications (3)

Publication Number Publication Date
GB9009051D0 GB9009051D0 (en) 1991-02-20
GB2243510A GB2243510A (en) 1991-10-30
GB2243510B true GB2243510B (en) 1994-01-19

Family

ID=10668272

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898928829A Pending GB8928829D0 (en) 1989-12-21 1989-12-21 Improvements in pulse doppler radar systems
GB9009051A Expired - Lifetime GB2243510B (en) 1989-12-21 1990-04-23 Improvements in pulse doppler radar systems

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB898928829A Pending GB8928829D0 (en) 1989-12-21 1989-12-21 Improvements in pulse doppler radar systems

Country Status (1)

Country Link
GB (2) GB8928829D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2265060A (en) * 1992-03-04 1993-09-15 Siemens Plessey Electronic Doppler velocity measurement

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0429335A1 (en) * 1989-11-17 1991-05-29 Thomson-Csf Doppler radar for detecting and locating helicopters

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0429335A1 (en) * 1989-11-17 1991-05-29 Thomson-Csf Doppler radar for detecting and locating helicopters

Also Published As

Publication number Publication date
GB8928829D0 (en) 1991-02-20
GB9009051D0 (en) 1991-02-20
GB2243510A (en) 1991-10-30

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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)

Free format text: REGISTERED BETWEEN 20090827 AND 20090902

PE20 Patent expired after termination of 20 years

Expiry date: 20101118