GB9704634D0 - Object detection systems - Google Patents

Object detection systems

Info

Publication number
GB9704634D0
GB9704634D0 GBGB9704634.6A GB9704634A GB9704634D0 GB 9704634 D0 GB9704634 D0 GB 9704634D0 GB 9704634 A GB9704634 A GB 9704634A GB 9704634 D0 GB9704634 D0 GB 9704634D0
Authority
GB
United Kingdom
Prior art keywords
object detection
detection systems
systems
detection
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.)
Withdrawn
Application number
GBGB9704634.6A
Other versions
GB2322987A (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.)
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
Priority to GB9704634A priority Critical patent/GB2322987A/en
Publication of GB9704634D0 publication Critical patent/GB9704634D0/en
Priority to PCT/GB1998/000711 priority patent/WO1998039671A1/en
Priority to AU65083/98A priority patent/AU6508398A/en
Publication of GB2322987A publication Critical patent/GB2322987A/en
Withdrawn legal-status Critical Current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
    • G01S13/56—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
    • F02C7/05—Air intakes for gas-turbine plants or jet-propulsion plants having provisions for obviating the penetration of damaging objects or particles
    • 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
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/18—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein range gates are used
    • 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
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • 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
    • G01S13/04—Systems determining presence of a 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
    • 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
    • G01S7/411—Identification of targets based on measurements of radar reflectivity
    • G01S7/412—Identification of targets based on measurements of radar reflectivity based on a comparison between measured values and known or stored values

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB9704634A 1997-03-06 1997-03-06 Object detection in turbine influx or efflux Withdrawn GB2322987A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9704634A GB2322987A (en) 1997-03-06 1997-03-06 Object detection in turbine influx or efflux
PCT/GB1998/000711 WO1998039671A1 (en) 1997-03-06 1998-03-05 Object detection systems
AU65083/98A AU6508398A (en) 1997-03-06 1998-03-05 Object detection systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9704634A GB2322987A (en) 1997-03-06 1997-03-06 Object detection in turbine influx or efflux

Publications (2)

Publication Number Publication Date
GB9704634D0 true GB9704634D0 (en) 1997-04-23
GB2322987A GB2322987A (en) 1998-09-09

Family

ID=10808789

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9704634A Withdrawn GB2322987A (en) 1997-03-06 1997-03-06 Object detection in turbine influx or efflux

Country Status (3)

Country Link
AU (1) AU6508398A (en)
GB (1) GB2322987A (en)
WO (1) WO1998039671A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009047761B3 (en) * 2009-12-09 2011-06-16 Areva Np Gmbh Monitoring system for an interior of a machine
US8459103B2 (en) 2011-06-24 2013-06-11 United Technologies Corporation IDMS signal processing to distinguish inlet particulates
UA116109C2 (en) * 2012-08-09 2018-02-12 Лінде Акцієнгезелльшафт Method and device for detecting moving objects in a gas stream during cryogenic gas separation
GB2528880A (en) 2014-08-01 2016-02-10 Bae Systems Plc Foreign object debris detection system and method
GB2528882A (en) 2014-08-01 2016-02-10 Bae Systems Plc Turbine blade monitoring
CN105022046B (en) * 2015-07-31 2017-06-23 中国电子科技集团公司第二十八研究所 A kind of radar weak target detection method based on characteristics of image
US10705198B2 (en) * 2018-03-27 2020-07-07 Infineon Technologies Ag System and method of monitoring an air flow using a millimeter-wave radar sensor
CN115047443A (en) * 2021-03-09 2022-09-13 深圳市万普拉斯科技有限公司 Target detection method and device of millimeter wave radar and handheld terminal

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852741A (en) * 1973-06-11 1974-12-03 Control Data Canada Nozzle area measurement
US4049349A (en) * 1976-06-30 1977-09-20 Wennerstrom Arthur J Device for measuring rotor tip clearance in operating turbomachinery
IT1116443B (en) * 1977-05-10 1986-02-10 Adele Advanced Electronic S R LOW CONSUMPTION PULSE OPERATION DOPPLER INTRUSION SENSOR
CA1111941A (en) * 1977-12-20 1981-11-03 Saskatchewan Power Corporation Turbine rotational speed measurement and control utilizing a x-band doppler transceiver
US4346383A (en) * 1979-08-04 1982-08-24 Emi Limited Checking the location of moving parts in a machine
US4286260A (en) * 1979-09-11 1981-08-25 E-Systems, Inc. Ranging quadrature doppler microwave intrusion alarm system
DE3044242A1 (en) * 1979-12-11 1981-09-03 Smiths Industries Ltd., London DISPLAY SYSTEM FOR DISPLAYING THE DISTANCE OF THE BLADES OF A TURBINE TO A REFERENCE POINT
US4413519A (en) * 1981-07-29 1983-11-08 Westinghouse Electric Corp. Turbine blade vibration detection apparatus
EP0213558A1 (en) * 1985-08-23 1987-03-11 C & K Systems, Inc. A method and an apparatus for detecting an intruder
US5287111A (en) * 1992-08-24 1994-02-15 Shmuel Hershkovitz Doppler shift motion detector with variable power
US5424824A (en) * 1993-05-12 1995-06-13 The Boeing Company Method and apparatus for normal shock sensing within the focal region of a laser beam
DE4443069C2 (en) * 1994-12-03 1997-01-16 Deutsche Forsch Luft Raumfahrt Method for measuring flow vectors in gas flows

Also Published As

Publication number Publication date
AU6508398A (en) 1998-09-22
WO1998039671A1 (en) 1998-09-11
GB2322987A (en) 1998-09-09

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)