DE69232146D1 - Netzwerk zur Strahlformung für eine Mehrmoden-Mehrstrahl-Reflektorantenne - Google Patents

Netzwerk zur Strahlformung für eine Mehrmoden-Mehrstrahl-Reflektorantenne

Info

Publication number
DE69232146D1
DE69232146D1 DE69232146T DE69232146T DE69232146D1 DE 69232146 D1 DE69232146 D1 DE 69232146D1 DE 69232146 T DE69232146 T DE 69232146T DE 69232146 T DE69232146 T DE 69232146T DE 69232146 D1 DE69232146 D1 DE 69232146D1
Authority
DE
Germany
Prior art keywords
multimode
beam shaping
reflector antenna
optimisation
shaping network
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
DE69232146T
Other languages
English (en)
Other versions
DE69232146T2 (de
Inventor
Pasquale Capece
Stefano Badessi
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.)
Leonardo SpA
Original Assignee
Alenia Spazio SpA
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 Alenia Spazio SpA filed Critical Alenia Spazio SpA
Application granted granted Critical
Publication of DE69232146D1 publication Critical patent/DE69232146D1/de
Publication of DE69232146T2 publication Critical patent/DE69232146T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H01Q3/30—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 varying the relative phase between the radiating elements of an array
    • H01Q3/34—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 varying the relative phase between the radiating elements of an array by electrical means
    • H01Q3/40—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 varying the relative phase between the radiating elements of an array by electrical means with phasing matrix
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/007—Antennas or antenna systems providing at least two radiating patterns using two or more primary active elements in the focal region of a focusing device

Landscapes

  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
DE69232146T 1991-01-23 1992-01-23 Netzwerk zur Strahlformung für eine Mehrmoden-Mehrstrahl-Reflektorantenne Expired - Fee Related DE69232146T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITRM910050A IT1244907B (it) 1991-01-23 1991-01-23 Configurazione e tecnica di reti multimodali formatrici di fasci per antenne multifascio a riflettore.

Publications (2)

Publication Number Publication Date
DE69232146D1 true DE69232146D1 (de) 2001-11-29
DE69232146T2 DE69232146T2 (de) 2002-07-11

Family

ID=11399778

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69232146T Expired - Fee Related DE69232146T2 (de) 1991-01-23 1992-01-23 Netzwerk zur Strahlformung für eine Mehrmoden-Mehrstrahl-Reflektorantenne

Country Status (4)

Country Link
EP (1) EP0504552B1 (de)
AT (1) ATE207657T1 (de)
DE (1) DE69232146T2 (de)
IT (1) IT1244907B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2732163B1 (fr) * 1995-03-20 1997-05-30 Europ Agence Spatiale Dispositif d'alimentation d'une antenne multisources et multifaisceaux
US5856810A (en) * 1996-10-02 1999-01-05 Gec-Marconi Hazeltine Corp. Electronic Systems Division Low sidelobe multi-beam lossless feed networks for array antennas
US6922116B1 (en) 2001-09-12 2005-07-26 Kathrein-Werke Kg Generating arbitrary passive beam forming networks
DE60320074T2 (de) * 2002-09-11 2009-06-18 Kathrein-Werke Kg Verfahren zur Erzeugung eines passiven Netzwerk zur Strahlformung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4231040A (en) * 1978-12-11 1980-10-28 Motorola, Inc. Simultaneous multiple beam antenna array matrix and method thereof
FR2560446B1 (fr) * 1984-01-05 1986-05-30 Europ Agence Spatiale Repartiteur de puissance pour antenne a faisceaux multiples a elements sources partages
US4638317A (en) * 1984-06-19 1987-01-20 Westinghouse Electric Corp. Orthogonal beam forming network
US4633259A (en) * 1984-07-10 1986-12-30 Westinghouse Electric Corp. Lossless orthogonal beam forming network
CA1226934A (en) * 1986-09-26 1987-09-15 Henry Downs Reconfigurable beam-forming network that provides in- phase power to each region
US4989011A (en) * 1987-10-23 1991-01-29 Hughes Aircraft Company Dual mode phased array antenna system

Also Published As

Publication number Publication date
ITRM910050A0 (it) 1991-01-23
EP0504552B1 (de) 2001-10-24
ATE207657T1 (de) 2001-11-15
ITRM910050A1 (it) 1992-07-24
DE69232146T2 (de) 2002-07-11
IT1244907B (it) 1994-09-13
EP0504552A1 (de) 1992-09-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ALENIA SPAZIO S.P.A., ROM/ROMA, IT

8327 Change in the person/name/address of the patent owner

Owner name: FINMECCANICA S.P.A., ROM/ROMA, IT

8339 Ceased/non-payment of the annual fee