GB2205211B - Signal processing device - Google Patents

Signal processing device

Info

Publication number
GB2205211B
GB2205211B GB8811129A GB8811129A GB2205211B GB 2205211 B GB2205211 B GB 2205211B GB 8811129 A GB8811129 A GB 8811129A GB 8811129 A GB8811129 A GB 8811129A GB 2205211 B GB2205211 B GB 2205211B
Authority
GB
United Kingdom
Prior art keywords
processing device
signal processing
signal
processing
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
GB8811129A
Other versions
GB8811129D0 (en
GB2205211A (en
Inventor
David Lovell Switzer
William Alvin Wilby
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
Publication of GB8811129D0 publication Critical patent/GB8811129D0/en
Publication of GB2205211A publication Critical patent/GB2205211A/en
Application granted granted Critical
Publication of GB2205211B publication Critical patent/GB2205211B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2861—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using fibre optic delay lines and optical elements associated with them, e.g. for use in signal processing, e.g. filtering
    • 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
    • G01S7/2806—Employing storage or delay devices which preserve the pulse form of the echo signal, e.g. for comparing and combining echoes received during different 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Communication System (AREA)
GB8811129A 1987-05-11 1988-05-11 Signal processing device Expired - Lifetime GB2205211B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878711108A GB8711108D0 (en) 1987-05-11 1987-05-11 Signal processing device

Publications (3)

Publication Number Publication Date
GB8811129D0 GB8811129D0 (en) 1988-06-15
GB2205211A GB2205211A (en) 1988-11-30
GB2205211B true GB2205211B (en) 1991-01-23

Family

ID=10617141

Family Applications (2)

Application Number Title Priority Date Filing Date
GB878711108A Pending GB8711108D0 (en) 1987-05-11 1987-05-11 Signal processing device
GB8811129A Expired - Lifetime GB2205211B (en) 1987-05-11 1988-05-11 Signal processing device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB878711108A Pending GB8711108D0 (en) 1987-05-11 1987-05-11 Signal processing device

Country Status (1)

Country Link
GB (2) GB8711108D0 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0082045A1 (en) * 1981-12-11 1983-06-22 Thomson-Csf Device for locating directive illuminators, applicable to panoramic detection of laser sources
GB2147759A (en) * 1983-08-24 1985-05-15 Plessey Co Plc Optical sensor
GB2172101A (en) * 1985-03-05 1986-09-10 Plessey Co Plc Optical sensing system
GB2182223A (en) * 1985-10-23 1987-05-07 Stc Plc Optical fibre reflectometer
GB2184231A (en) * 1985-12-02 1987-06-17 Exxon Production Research Co Fiber optic data gathering system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0082045A1 (en) * 1981-12-11 1983-06-22 Thomson-Csf Device for locating directive illuminators, applicable to panoramic detection of laser sources
GB2147759A (en) * 1983-08-24 1985-05-15 Plessey Co Plc Optical sensor
GB2172101A (en) * 1985-03-05 1986-09-10 Plessey Co Plc Optical sensing system
GB2182223A (en) * 1985-10-23 1987-05-07 Stc Plc Optical fibre reflectometer
GB2184231A (en) * 1985-12-02 1987-06-17 Exxon Production Research Co Fiber optic data gathering system

Also Published As

Publication number Publication date
GB8811129D0 (en) 1988-06-15
GB8711108D0 (en) 1987-09-09
GB2205211A (en) 1988-11-30

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Legal Events

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

Effective date: 19940511