SE9002025D0 - Radar - Google Patents

Radar

Info

Publication number
SE9002025D0
SE9002025D0 SE9002025A SE9002025A SE9002025D0 SE 9002025 D0 SE9002025 D0 SE 9002025D0 SE 9002025 A SE9002025 A SE 9002025A SE 9002025 A SE9002025 A SE 9002025A SE 9002025 D0 SE9002025 D0 SE 9002025D0
Authority
SE
Sweden
Prior art keywords
antenna
microwave
antenna interface
patches
optical axis
Prior art date
Application number
SE9002025A
Other languages
English (en)
Swedish (sv)
Inventor
M J Aylward
Original Assignee
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 Marconi Co Ltd filed Critical Marconi Co Ltd
Publication of SE9002025D0 publication Critical patent/SE9002025D0/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
    • H01Q15/12—Refracting or diffracting devices, e.g. lens, prism functioning also as polarisation filter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/06—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens
    • H01Q19/062—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens for focusing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H01Q19/18—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces
    • H01Q19/19—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H01Q19/18—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces
    • H01Q19/19—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
    • H01Q19/191—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface wherein the primary active element uses one or more deflecting surfaces, e.g. beam waveguide feeds
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/02—Antennas or antenna systems providing at least two radiating patterns providing sum and difference patterns
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2676—Optically controlled phased array

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Details Of Aerials (AREA)
  • Aerials With Secondary Devices (AREA)
SE9002025A 1989-06-07 1990-06-06 Radar SE9002025D0 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8913041 1989-06-07

Publications (1)

Publication Number Publication Date
SE9002025D0 true SE9002025D0 (sv) 1990-06-06

Family

ID=10658007

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9002025A SE9002025D0 (sv) 1989-06-07 1990-06-06 Radar

Country Status (6)

Country Link
US (1) US6198451B1 (fr)
DE (1) DE4039898C2 (fr)
FR (1) FR2755796B1 (fr)
GB (1) GB2318215B (fr)
IT (1) IT1290980B1 (fr)
SE (1) SE9002025D0 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6846056B2 (en) * 2002-12-17 2005-01-25 Hewlett-Packard Development Company, L.P. Optimizing printing parameters for a print medium
DE102005062772A1 (de) * 2005-12-28 2007-07-05 Robert Bosch Gmbh Radarvorrichtung
US8798564B2 (en) * 2009-03-17 2014-08-05 Provigent Ltd. Transmitter with replaceable power amplifier
US8803749B2 (en) * 2011-03-25 2014-08-12 Kwok Wa Leung Elliptically or circularly polarized dielectric block antenna
US8861407B2 (en) 2011-07-07 2014-10-14 Provigent Ltd. Multiple connection options for a transceiver
WO2020038557A1 (fr) * 2018-08-21 2020-02-27 Telefonaktiebolaget Lm Ericsson (Publ) Unité radio et émetteur-récepteur de liaison radio pour transfert de signal à polarisation croisé

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB742401A (en) * 1953-01-26 1955-12-30 Mini Of Supply Microwave transmission apparatus
GB735901A (en) * 1953-02-06 1955-08-31 Marconi Wireless Telegraph Co Improvements in or relating to hybrid junction arrangements for use on micro radio waves
US4284992A (en) * 1979-12-26 1981-08-18 Bell Telephone Laboratories, Incorporated Wide scan quasi-optical frequency diplexer
US4491977A (en) * 1982-06-10 1985-01-01 Hughes Aircraft Company Millimeter-wave quasi-optical planar balanced mixer
US5091730A (en) * 1983-10-31 1992-02-25 Raytheon Company Pulse radar and components therefor
US5034750A (en) * 1983-10-31 1991-07-23 Raytheon Company Pulse radar and components therefor
US4758843A (en) * 1986-06-13 1988-07-19 General Electric Company Printed, low sidelobe, monopulse array antenna
US4882235A (en) * 1988-03-02 1989-11-21 Raytheon Company Liquid crystal cell window
US4980925A (en) * 1989-01-03 1990-12-25 Raytheon Company Monopulse first detector array

Also Published As

Publication number Publication date
GB2318215B (en) 1998-09-02
DE4039898A1 (de) 1999-03-11
GB9012581D0 (en) 1997-11-19
IT9067404A1 (it) 1991-12-05
IT1290980B1 (it) 1998-12-14
DE4039898C2 (de) 2002-08-01
FR2755796A1 (fr) 1998-05-15
FR2755796B1 (fr) 1999-04-23
US6198451B1 (en) 2001-03-06
GB2318215A (en) 1998-04-15
IT9067404A0 (it) 1990-06-05

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