JP3995721B2 - 走査装置 - Google Patents

走査装置 Download PDF

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Publication number
JP3995721B2
JP3995721B2 JP54358798A JP54358798A JP3995721B2 JP 3995721 B2 JP3995721 B2 JP 3995721B2 JP 54358798 A JP54358798 A JP 54358798A JP 54358798 A JP54358798 A JP 54358798A JP 3995721 B2 JP3995721 B2 JP 3995721B2
Authority
JP
Japan
Prior art keywords
radiation
reflector
polarization
reflecting
axis
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 - Fee Related
Application number
JP54358798A
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English (en)
Japanese (ja)
Other versions
JP2001521626A (ja
JP2001521626A5 (enExample
Inventor
アレン レッティントン
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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Publication of JP2001521626A publication Critical patent/JP2001521626A/ja
Publication of JP2001521626A5 publication Critical patent/JP2001521626A5/ja
Application granted granted Critical
Publication of JP3995721B2 publication Critical patent/JP3995721B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/24Polarising devices; Polarisation filters 
    • H01Q15/242Polarisation converters
    • H01Q15/246Polarisation converters rotating the plane of polarisation of a linear polarised 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
    • G01S13/88Radar or analogous systems specially adapted for specific applications
    • G01S13/89Radar or analogous systems specially adapted for specific applications for mapping or imaging
    • 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
    • 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
    • G01S7/024Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using polarisation effects
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00Prospecting or detecting by optical means
    • G01V8/005Prospecting or detecting by optical means operating with millimetre waves, e.g. measuring the black losey radiation
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10Scanning systems
    • G02B26/101Scanning systems with both horizontal and vertical deflecting means, e.g. raster or XY scanners
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/12Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
    • H01Q3/16Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device
    • H01Q3/20Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device wherein the primary active element is fixed and the reflecting device is movable

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Aerials With Secondary Devices (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
JP54358798A 1997-04-16 1998-04-03 走査装置 Expired - Fee Related JP3995721B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9707654.1 1997-04-16
GBGB9707654.1A GB9707654D0 (en) 1997-04-16 1997-04-16 Scanning apparatus
PCT/GB1998/000985 WO1998047020A1 (en) 1997-04-16 1998-04-03 Scanning apparatus

Publications (3)

Publication Number Publication Date
JP2001521626A JP2001521626A (ja) 2001-11-06
JP2001521626A5 JP2001521626A5 (enExample) 2005-11-24
JP3995721B2 true JP3995721B2 (ja) 2007-10-24

Family

ID=10810844

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54358798A Expired - Fee Related JP3995721B2 (ja) 1997-04-16 1998-04-03 走査装置

Country Status (6)

Country Link
US (1) US6259414B1 (enExample)
EP (2) EP0975990B1 (enExample)
JP (1) JP3995721B2 (enExample)
AU (1) AU7056598A (enExample)
GB (1) GB9707654D0 (enExample)
WO (1) WO1998047020A1 (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9819064D0 (en) * 1998-09-02 1998-10-28 Secr Defence Scanning apparatus
GB9914162D0 (en) * 1999-06-18 1999-08-18 Secr Defence Brit Steerable transponders
GB0103782D0 (en) 2001-02-09 2001-11-21 Alenia Marconi Systems Ltd Improvements in or relating to scanning antenna systems
GB0104206D0 (en) 2001-02-21 2001-04-11 Secr Defence Radiometers
GB0117750D0 (en) * 2001-07-20 2001-09-12 Univ Reading The Scanning apparatus
GB0203530D0 (en) * 2002-02-14 2002-04-03 Lettington Alan H Scanning apparatus
GB0211353D0 (en) 2002-05-17 2002-06-26 Qinetiq Ltd Apparatus for redirecting radiation
GB0220434D0 (en) 2002-09-03 2004-03-17 Qinetiq Ltd Detection device
US6870162B1 (en) * 2003-01-31 2005-03-22 Millivision, Inc. Weighted noise compensating method and camera used in millimeter wave imaging
US6878939B2 (en) * 2003-01-31 2005-04-12 Millivision Technologies Offset drift compensating flat fielding method and camera used in millimeter wave imaging
US6900438B2 (en) 2003-01-31 2005-05-31 Millivision Technologies Baseline compensating method and camera used in millimeter wave imaging
GB2399947A (en) * 2003-03-22 2004-09-29 Qinetiq Ltd Imaging apparatus
GB0313573D0 (en) 2003-06-12 2003-07-16 Qinetiq Ltd Radiation detection apparatus
GB0407136D0 (en) * 2004-03-30 2004-05-05 Remtons Ltd Scanning apparatus
EP1730576A2 (en) * 2004-03-30 2006-12-13 Farran Technology Limited Scanning apparatus
US8593157B2 (en) 2005-02-15 2013-11-26 Walleye Technologies, Inc. Electromagnetic scanning imager
WO2006088845A2 (en) 2005-02-15 2006-08-24 Walleye Technologies, Inc. Electromagnetic scanning imager
RU2284548C1 (ru) * 2005-06-23 2006-09-27 Рязанская государственная радиотехническая академия Способ наблюдения за поверхностью и воздушной обстановкой на базе бортовой рлс
DE102008013066B3 (de) * 2008-03-06 2009-10-01 Deutsches Zentrum für Luft- und Raumfahrt e.V. Vorrichtung zur zweidimensionalen Abbildung von Szenen durch Mikrowellen-Abtastung und Verwendung der Vorrichtung
EP2148389A1 (en) * 2008-07-25 2010-01-27 Astrium Limited Apparatus for an antenna system
US8462067B2 (en) * 2008-10-08 2013-06-11 Astrium Limited Apparatus for an antenna system
RU2416809C1 (ru) * 2009-09-22 2011-04-20 Федеральное агентство по образованию Государственное образовательное учреждение высшего профессионального образования Рязанский государственный радиотехнический университет Способ повышения разрешающей способности рлс по углу при переднебоковом обзоре
DE102018128164A1 (de) * 2018-11-12 2020-05-14 Infineon Technologies Ag Lidar-sensoren und verfahren für lidar-sensoren
WO2021232069A1 (en) * 2020-05-14 2021-11-18 Velodyne Lidar Usa, Inc. Scanning mirror mechanisms for lidar systems, and related methods and apparatus

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4042933A (en) * 1976-03-19 1977-08-16 The United States Of America As Represented By The Secretary Of The Navy Antenna line scan system for helicopter wire detection
FR2452724A1 (fr) * 1979-03-29 1980-10-24 Otan Appareil de balayage optique
US4434799A (en) * 1982-03-02 1984-03-06 Siemens Ag Ultrasound apparatus for medical examinations
US4607259A (en) * 1984-10-25 1986-08-19 At&T Bell Laboratories Adaptive antenna for reducing multipath fades
GB8523849D0 (en) * 1985-09-27 1985-10-30 Secr Defence Rangefinders
US4997242A (en) * 1988-03-07 1991-03-05 Medical Research Council Achromatic scanning system
US5455589A (en) * 1994-01-07 1995-10-03 Millitech Corporation Compact microwave and millimeter wave radar
US6031502A (en) * 1996-11-27 2000-02-29 Hughes Electronics Corporation On-orbit reconfigurability of a shaped reflector with feed/reflector defocusing and reflector gimballing

Also Published As

Publication number Publication date
US6259414B1 (en) 2001-07-10
EP1345043A1 (en) 2003-09-17
GB9707654D0 (en) 1997-06-04
WO1998047020A1 (en) 1998-10-22
EP1345043B1 (en) 2005-06-01
AU7056598A (en) 1998-11-11
EP0975990A1 (en) 2000-02-02
JP2001521626A (ja) 2001-11-06
EP0975990B1 (en) 2003-05-14

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