IT8120713A0 - Sistema radar a schiera con dipoli in fase. - Google Patents

Sistema radar a schiera con dipoli in fase.

Info

Publication number
IT8120713A0
IT8120713A0 IT8120713A IT2071381A IT8120713A0 IT 8120713 A0 IT8120713 A0 IT 8120713A0 IT 8120713 A IT8120713 A IT 8120713A IT 2071381 A IT2071381 A IT 2071381A IT 8120713 A0 IT8120713 A0 IT 8120713A0
Authority
IT
Italy
Prior art keywords
layout
radar system
dipoles
phase
phase dipoles
Prior art date
Application number
IT8120713A
Other languages
English (en)
Other versions
IT1194772B (it
Inventor
Paul Barton
Peter Kenneth Blair
William David Waddoup
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of IT8120713A0 publication Critical patent/IT8120713A0/it
Application granted granted Critical
Publication of IT1194772B publication Critical patent/IT1194772B/it

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
    • G01S3/02—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 radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/38—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal
    • G01S3/42—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal the desired condition being maintained automatically
    • 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
    • G01S13/66—Radar-tracking systems; Analogous systems
    • G01S13/68—Radar-tracking systems; Analogous systems for angle tracking only
    • 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
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
IT20713/81A 1980-03-26 1981-03-25 Sistema radar a schiera con dipoli in fase IT1194772B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB801073A GB2072986B (en) 1980-03-26 1980-03-26 Phased array signal processing

Publications (2)

Publication Number Publication Date
IT8120713A0 true IT8120713A0 (it) 1981-03-25
IT1194772B IT1194772B (it) 1988-09-28

Family

ID=10512401

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20713/81A IT1194772B (it) 1980-03-26 1981-03-25 Sistema radar a schiera con dipoli in fase

Country Status (5)

Country Link
US (1) US4431995A (it)
JP (1) JPS56151375A (it)
DE (1) DE3110532A1 (it)
GB (1) GB2072986B (it)
IT (1) IT1194772B (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4651155A (en) * 1982-05-28 1987-03-17 Hazeltine Corporation Beamforming/null-steering adaptive array
US5257030A (en) * 1987-09-22 1993-10-26 Mitsubishi Denki Kabushiki Kaisha Antenna system
JPS6479683A (en) * 1987-09-22 1989-03-24 Mitsubishi Electric Corp Antenna apparatus
DE4014407A1 (de) * 1990-05-04 1991-11-07 Rohde & Schwarz Hochfrequenzpeiler
GB2356096B (en) * 1991-03-12 2001-08-15 Siemens Plessey Electronic Method of operating a radar antenna system
EP0544937A1 (de) * 1991-12-04 1993-06-09 Rohde & Schwarz GmbH & Co. KG Hochfrequenzpeiler für Kraftfahrzeuge
DE4223676C2 (de) * 1992-07-17 1997-06-12 Siemens Ag Verfahren zur adaptiven räumlichen Ausfilterung eines gewünschten Signals und zur Unterdrückung von Störersignalen beim Funksignalempfang
DE19511752A1 (de) * 1995-03-30 1996-10-10 Siemens Ag Verfahren zum hochauflösenden Auswerten von Signalen zur ein- oder zweidimensionalen Richtungs- oder Frequenzschätzung
US5691728A (en) * 1996-03-25 1997-11-25 Trw Inc. Method and apparatus for bias error reductioon in an N-port modeformer of the butler matrix type
US5917447A (en) * 1996-05-29 1999-06-29 Motorola, Inc. Method and system for digital beam forming
DE19753932A1 (de) * 1997-12-05 1999-06-10 Cit Alcatel Verfahren zur Bestimmung der Empfangsrichtung mittels einer Gruppenantenne, Funkfeststation und Funksystem
US6115409A (en) * 1999-06-21 2000-09-05 Envoy Networks, Inc. Integrated adaptive spatial-temporal system for controlling narrowband and wideband sources of interferences in spread spectrum CDMA receivers
DE10137580B4 (de) * 2001-08-01 2009-01-08 Nokia Siemens Networks Gmbh & Co.Kg Verfahren zur Strahlungsdiagrammformung in einem Funkkommunikationssystem
US7054663B2 (en) 2001-08-01 2006-05-30 Siemens Aktiengesellschaft Method for polar diagram shaping in a radio communications system
US7103383B2 (en) * 2002-12-31 2006-09-05 Wirless Highways, Inc. Apparatus, system, method and computer program product for digital beamforming in the intermediate frequency domain
DE102004020276A1 (de) * 2004-04-26 2005-11-17 Rohde & Schwarz Gmbh & Co Kg Verfahren und Vorrichtung zur Funkpeilung mehrerer spektral überlappender Funkstationen
US7474262B2 (en) * 2005-07-01 2009-01-06 Delphi Technologies, Inc. Digital beamforming for an electronically scanned radar system
US7639171B2 (en) * 2007-09-27 2009-12-29 Delphi Technologies, Inc. Radar system and method of digital beamforming
US8736484B2 (en) * 2010-08-11 2014-05-27 Lockheed Martin Corporation Enhanced-resolution phased array radar
US9379439B2 (en) * 2014-02-14 2016-06-28 The Boeing Company Adaptive interference suppression via subband power measurements of a phased-array antenna
US10877151B2 (en) * 2015-07-31 2020-12-29 Teledyne Instruments, Inc. Small aperture acoustic velocity sensor
US11525911B2 (en) * 2019-11-14 2022-12-13 GM Global Technology Operations LLC Radar system control to perform cross-traffic management in a vehicle with a trailer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1493732A (en) * 1975-07-24 1977-11-30 Standard Telephones Cables Ltd Radio direction finding equipment
GB1508952A (en) * 1976-02-24 1978-04-26 Standard Telephones Cables Ltd Radar receiver

Also Published As

Publication number Publication date
US4431995A (en) 1984-02-14
DE3110532A1 (de) 1982-01-14
DE3110532C2 (it) 1991-11-28
IT1194772B (it) 1988-09-28
GB2072986A (en) 1981-10-07
GB2072986B (en) 1984-06-13
JPS56151375A (en) 1981-11-24

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19980327