DE602004016697D1 - Antennen-rückkeulen-dämpfung - Google Patents

Antennen-rückkeulen-dämpfung

Info

Publication number
DE602004016697D1
DE602004016697D1 DE602004016697T DE602004016697T DE602004016697D1 DE 602004016697 D1 DE602004016697 D1 DE 602004016697D1 DE 602004016697 T DE602004016697 T DE 602004016697T DE 602004016697 T DE602004016697 T DE 602004016697T DE 602004016697 D1 DE602004016697 D1 DE 602004016697D1
Authority
DE
Germany
Prior art keywords
antenna system
loss
abf
directivity
antenna
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.)
Active
Application number
DE602004016697T
Other languages
English (en)
Inventor
Hans Hellsten
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.)
Saab AB
Original Assignee
Saab AB
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 Saab AB filed Critical Saab AB
Publication of DE602004016697D1 publication Critical patent/DE602004016697D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H01Q3/2611—Means for null steering; Adaptive interference nulling
    • 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
    • G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
    • G01S13/90—Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques
    • G01S13/904—SAR modes
    • G01S13/9054—Stripmap mode
    • 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
    • G01S7/28—Details of pulse systems
    • G01S7/2813—Means providing a modification of the radiation pattern for cancelling noise, clutter or interfering signals, e.g. side lobe suppression, side lobe blanking, null-steering arrays
    • 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
    • G01S13/0209—Systems with very large relative bandwidth, i.e. larger than 10 %, e.g. baseband, pulse, carrier-free, ultrawideband
    • 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
    • G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
    • G01S13/90—Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Details Of Aerials (AREA)
DE602004016697T 2004-11-26 2004-11-26 Antennen-rückkeulen-dämpfung Active DE602004016697D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2004/001744 WO2006057583A1 (en) 2004-11-26 2004-11-26 Antenna back-lobe rejection

Publications (1)

Publication Number Publication Date
DE602004016697D1 true DE602004016697D1 (de) 2008-10-30

Family

ID=36498265

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004016697T Active DE602004016697D1 (de) 2004-11-26 2004-11-26 Antennen-rückkeulen-dämpfung

Country Status (6)

Country Link
US (1) US7876256B2 (de)
EP (1) EP1820045B1 (de)
AT (1) ATE408849T1 (de)
DE (1) DE602004016697D1 (de)
ES (1) ES2314487T3 (de)
WO (1) WO2006057583A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE408849T1 (de) * 2004-11-26 2008-10-15 Saab Ab Antennen-rückkeulen-dämpfung
US20070248219A1 (en) * 2006-03-23 2007-10-25 Foster W Dale System and Method for Wirelessly Actuating a Moveable Structure
EP2394184B1 (de) * 2009-02-06 2017-08-16 Saab AB Radarsystem und verfahren für radar mit synthetischer apertur
US8618977B2 (en) * 2011-01-05 2013-12-31 Honeywell International Inc. Weather radar beam-sharpening and de-quantization
KR102154325B1 (ko) 2014-07-04 2020-09-09 삼성전자주식회사 안테나 및 이를 구비한 모바일 장치
CN107589421B (zh) * 2017-10-31 2022-03-29 西安电子科技大学 一种阵列前视sar成像方法
US11108472B1 (en) * 2019-10-08 2021-08-31 Steven P. Leytus Radar waveform generator configured for use in Wi-Fi systems testing

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4044359A (en) * 1962-01-09 1977-08-23 General Electric Company Multiple intermediate frequency side-lobe canceller
US3435453A (en) * 1967-11-06 1969-03-25 Us Navy Sidelobe cancelling system for array type target detectors
US3938153A (en) * 1974-08-16 1976-02-10 The United States Of America As Represented By The Secretary Of The Navy Sidelobe canceller system
US4196436A (en) * 1978-11-14 1980-04-01 Ford Motor Company Differential backlobe antenna array
US4367472A (en) * 1979-09-28 1983-01-04 Siemens Aktiengesellschaft Circuit arrangement for side lobe suppression in radar apparatuses
GB2089614B (en) * 1980-12-15 1984-11-07 Marconi Co The Ltd An improved side lobe canceller for radar systems
US4628321A (en) * 1982-04-14 1986-12-09 Harris Corporation Aperture transformation sidelobe canceller
US4573051A (en) * 1982-08-02 1986-02-25 Selenia S.P.A. Adaptive system for suppressing interferences from directional jammers in electronically or mechanically scanning radar
SE456117B (sv) * 1984-11-28 1988-09-05 Hans Hellsten Sett for radaravbildning av ett omrade, inkluderande avbildning av strukturer som er dolda av dielektriska skikt samt radaranleggning for genomforande av settet
US4965582A (en) * 1984-11-24 1990-10-23 Hellsten Hans O Method for radar mapping an area and a radar equipment to carry out the method
US5111214A (en) * 1986-10-10 1992-05-05 Hazeltine Corporation Linear array antenna with E-plane backlobe suppressor
US5610610A (en) * 1988-05-18 1997-03-11 Hughes Electronics Inverse synthetic array radar system and method
US5043734A (en) * 1988-12-22 1991-08-27 Hughes Aircraft Company Discrete autofocus for ultra-high resolution synthetic aperture radar
NL9400973A (nl) * 1994-06-15 1996-01-02 Hollandse Signaalapparaten Bv Radarapparaat.
SE516718C2 (sv) * 1996-03-28 2002-02-19 Totalfoersvarets Forskningsins Ett ultrabredbandigt koherent radarsystem som optimerar möjligheten till radiostörningsdetektering
US5982319A (en) * 1998-03-12 1999-11-09 Northrop Grumman Corporation UHF synthetic aperture radar
DE10140498C1 (de) * 2001-08-17 2003-05-15 Eads Deutschland Gmbh Verfahren zur Unterdrückung von Jammer-Signalen
DE10146643C1 (de) * 2001-09-21 2003-08-14 Eads Deutschland Gmbh Verfahren zur Kalibrierung der Radarsignale an den Subaperturen der Antenne eines zweikanaligen SAR/MTI Radarsystems
ATE336089T1 (de) * 2001-11-09 2006-09-15 Ems Technologies Inc Strahlformer für eine mehrkeulenempfangsantenne
ATE408849T1 (de) * 2004-11-26 2008-10-15 Saab Ab Antennen-rückkeulen-dämpfung

Also Published As

Publication number Publication date
ATE408849T1 (de) 2008-10-15
EP1820045A1 (de) 2007-08-22
ES2314487T3 (es) 2009-03-16
WO2006057583A1 (en) 2006-06-01
US20090051584A1 (en) 2009-02-26
US7876256B2 (en) 2011-01-25
EP1820045B1 (de) 2008-09-17

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