GB2151426B - Clutter filter - Google Patents

Clutter filter

Info

Publication number
GB2151426B
GB2151426B GB08332898A GB8332898A GB2151426B GB 2151426 B GB2151426 B GB 2151426B GB 08332898 A GB08332898 A GB 08332898A GB 8332898 A GB8332898 A GB 8332898A GB 2151426 B GB2151426 B GB 2151426B
Authority
GB
United Kingdom
Prior art keywords
clutter filter
clutter
filter
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
Application number
GB08332898A
Other versions
GB2151426A (en
Inventor
Stephen Richard Lilley
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.)
Plessey Co Ltd
Original Assignee
Plessey 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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB08332898A priority Critical patent/GB2151426B/en
Publication of GB2151426A publication Critical patent/GB2151426A/en
Application granted granted Critical
Publication of GB2151426B publication Critical patent/GB2151426B/en
Expired 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
    • G01S13/52—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
    • G01S13/526—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 performing filtering on the whole spectrum without loss of range information, e.g. using delay line cancellers or comb 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)
GB08332898A 1983-12-09 1983-12-09 Clutter filter Expired GB2151426B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08332898A GB2151426B (en) 1983-12-09 1983-12-09 Clutter filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08332898A GB2151426B (en) 1983-12-09 1983-12-09 Clutter filter

Publications (2)

Publication Number Publication Date
GB2151426A GB2151426A (en) 1985-07-17
GB2151426B true GB2151426B (en) 1988-09-21

Family

ID=10553080

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08332898A Expired GB2151426B (en) 1983-12-09 1983-12-09 Clutter filter

Country Status (1)

Country Link
GB (1) GB2151426B (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1214371A (en) * 1968-02-15 1970-12-02 Raytheon Co Digital canonical filter
DE2159105C3 (en) * 1971-11-29 1975-08-28 Siemens Ag, 1000 Berlin Und 8000 Muenchen Pulse Doppler radar receiver with weighting in front of a digital moving character filter
IT1066425B (en) * 1976-06-15 1985-03-12 Selenia Ind Elettroniche SYSTEM FOR THE SUPPRESSION WITH ADJUSTIVE TECHNIQUE OF UNDESIRABLE ECHES IN PULSE COHERENT RADARS
US4117538A (en) * 1977-05-04 1978-09-26 Raytheon Company Radar system with specialized weighting
GB2044034B (en) * 1979-03-10 1983-05-25 Plessey Co Ltd Adaptive mti

Also Published As

Publication number Publication date
GB2151426A (en) 1985-07-17

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19931209