GB8524701D0 - Improvements in or relating to a method and to a system for signal detection - Google Patents

Improvements in or relating to a method and to a system for signal detection

Info

Publication number
GB8524701D0
GB8524701D0 GB858524701A GB8524701A GB8524701D0 GB 8524701 D0 GB8524701 D0 GB 8524701D0 GB 858524701 A GB858524701 A GB 858524701A GB 8524701 A GB8524701 A GB 8524701A GB 8524701 D0 GB8524701 D0 GB 8524701D0
Authority
GB
United Kingdom
Prior art keywords
relating
signal detection
detection
signal
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
GB858524701A
Other versions
GB2196119B (en
GB2196119A (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.)
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 GB8524701A priority Critical patent/GB2196119B/en
Publication of GB8524701D0 publication Critical patent/GB8524701D0/en
Publication of GB2196119A publication Critical patent/GB2196119A/en
Application granted granted Critical
Publication of GB2196119B publication Critical patent/GB2196119B/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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
    • G01S3/802—Systems for determining direction or deviation from predetermined direction

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
GB8524701A 1985-10-07 1985-10-07 Improvements in or relating to a method and to a system for signal detection Expired GB2196119B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8524701A GB2196119B (en) 1985-10-07 1985-10-07 Improvements in or relating to a method and to a system for signal detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8524701A GB2196119B (en) 1985-10-07 1985-10-07 Improvements in or relating to a method and to a system for signal detection

Publications (3)

Publication Number Publication Date
GB8524701D0 true GB8524701D0 (en) 1988-01-27
GB2196119A GB2196119A (en) 1988-04-20
GB2196119B GB2196119B (en) 1989-09-20

Family

ID=10586308

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8524701A Expired GB2196119B (en) 1985-10-07 1985-10-07 Improvements in or relating to a method and to a system for signal detection

Country Status (1)

Country Link
GB (1) GB2196119B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2709848B1 (en) * 1993-09-10 1995-10-20 Thomson Csf Method and device for detecting and recognizing helicopters by analyzing the acoustic signal emitted by the main rotor blades.
IL112730A (en) * 1995-02-21 2000-02-17 Israel State System and method of noise detection
GB2414800B (en) * 2000-01-27 2006-05-31 Thomson Marconi Sonar Ltd Sonar receiver with low side lobes
US7872948B2 (en) * 2008-04-14 2011-01-18 The Boeing Company Acoustic wide area air surveillance system

Also Published As

Publication number Publication date
GB2196119B (en) 1989-09-20
GB2196119A (en) 1988-04-20

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20051006