GB8517564D0 - Radar - Google Patents

Radar

Info

Publication number
GB8517564D0
GB8517564D0 GBGB8517564.4A GB8517564A GB8517564D0 GB 8517564 D0 GB8517564 D0 GB 8517564D0 GB 8517564 A GB8517564 A GB 8517564A GB 8517564 D0 GB8517564 D0 GB 8517564D0
Authority
GB
United Kingdom
Prior art keywords
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.)
Granted
Application number
GBGB8517564.4A
Other versions
GB2315940B (en
GB2315940A (en
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.)
EMI Group Electronics Ltd
Original Assignee
Thorn EMI Electronics 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 Thorn EMI Electronics Ltd filed Critical Thorn EMI Electronics Ltd
Priority to GB8517564A priority Critical patent/GB2315940B/en
Publication of GB8517564D0 publication Critical patent/GB8517564D0/en
Publication of GB2315940A publication Critical patent/GB2315940A/en
Application granted granted Critical
Publication of GB2315940B publication Critical patent/GB2315940B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems 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
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06Systems determining position data of a target
    • G01S13/08Systems for measuring distance only
    • G01S13/10Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/24Systems for measuring distance only using transmission of interrupted, pulse modulated waves using frequency agility of carrier wave
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems 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
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50Systems of measurement based on relative movement of target
    • G01S13/52Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S13/522Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
    • G01S13/524Discriminating 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
    • G01S13/53Discriminating 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 a single spectral line and associated with one or more range gates with a phase detector or a frequency mixer to extract the Doppler information, e.g. pulse Doppler radar
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28Details of pulse systems
    • G01S7/285Receivers
    • G01S7/288Coherent receivers
    • G01S7/2883Coherent receivers using FFT processing

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB8517564A 1985-07-11 1985-07-11 Radar Expired - Fee Related GB2315940B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8517564A GB2315940B (en) 1985-07-11 1985-07-11 Radar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8517564A GB2315940B (en) 1985-07-11 1985-07-11 Radar

Publications (3)

Publication Number Publication Date
GB8517564D0 true GB8517564D0 (en) 1997-12-17
GB2315940A GB2315940A (en) 1998-02-11
GB2315940B GB2315940B (en) 1998-06-24

Family

ID=10582145

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8517564A Expired - Fee Related GB2315940B (en) 1985-07-11 1985-07-11 Radar

Country Status (1)

Country Link
GB (1) GB2315940B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112433191B (en) * 2021-01-27 2021-04-09 成都市克莱微波科技有限公司 Pulse signal processing method and device, electronic equipment and storage medium

Also Published As

Publication number Publication date
GB2315940B (en) 1998-06-24
GB2315940A (en) 1998-02-11

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Legal Events

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

Effective date: 19980924