EP2175523B1 - Reflektor und Antenne die einen solchen Reflektor umfasst - Google Patents

Reflektor und Antenne die einen solchen Reflektor umfasst Download PDF

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Publication number
EP2175523B1
EP2175523B1 EP09171108.5A EP09171108A EP2175523B1 EP 2175523 B1 EP2175523 B1 EP 2175523B1 EP 09171108 A EP09171108 A EP 09171108A EP 2175523 B1 EP2175523 B1 EP 2175523B1
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EP
European Patent Office
Prior art keywords
radiating
pattern
radiating element
radiating elements
elements
Prior art date
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Application number
EP09171108.5A
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English (en)
French (fr)
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EP2175523A1 (de
Inventor
Hervé Legay
Danièle Bresciani
Renaud Chiniard
Etienne Girard
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Thales SA
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Thales SA
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Publication date
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Publication of EP2175523A1 publication Critical patent/EP2175523A1/de
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • 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
    • H01Q19/104—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 using a substantially flat reflector for deflecting the radiated beam, e.g. periscopic antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/10—Resonant slot antennas
    • 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
    • H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
    • H01Q15/0013—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective
    • H01Q15/002—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective said selective devices being reconfigurable or tunable, e.g. using switches or diodes
    • 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
    • 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
    • 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
    • H01Q3/44—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 electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
    • H01Q3/46—Active lenses or reflecting arrays

Definitions

  • the radiating elements have a geometric shape chosen from a hexagon shape or a cross shape with two perpendicular branches.
  • the database may be extended to radiating elements having a plurality of hexagonal slots. In this case, it becomes possible to achieve exactly the desired phase shift for the center frequency of the radiation pattern of the antenna and the desired phase dispersion.

Landscapes

  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Claims (6)

  1. Reflektornetzwerk, welches eine Vielzahl von Abstrahlelementen beinhaltet, welche nebeneinander angeordnet sind und eine Reflexionsoberfläche bilden, welche in der Lage ist, einfallende Wellen mit einem Phasenvariationsgesetz zu reflektieren, das gewählt wird, um eine gegebene Abdeckung zu erzielen, wobei
    - die Abstrahlelemente (1, 2, 3, 4, 5, 6, 7, 8, 9) mit Planartechnologie gefertigt sind; und
    - jedes Abstrahlelement der Reflexionsoberfläche aus einer oder mehreren Gruppe(n) von vorbestimmten, aufeinanderfolgenden Abstrahlelementen (1, 2, 3, 4, 5, 6, 7, 8, 9) gewählt wird, genannt Motiv(e), wobei jedes Motiv in der Lage ist, eine progressive Phasenvariation von mindestens 360° zwischen einem ersten Element (1) und einem letzten Element (9) des Motivs zu schaffen, und wobei jedes Abstrahlelement auf der Reflexionsoberfläche so positioniert ist, dass
    * das Abstrahlelement der Reflexionsoberfläche an mindestens ein Abstrahlelement angrenzt, welches einem vorherigen oder folgenden Element in der vorbestimmten Reihenfolge von mindestens einem Motiv entspricht, und
    * das Reflektornetzwerk Wege zwischen den aneinander angrenzenden Abstrahlelementen besitzt, welche jeweils einem Motiv in seiner Gesamtheit und in seiner vorbestimmten Reihenfolge folgen; und
    - alle Abstrahlelemente eines Motivs eine identische Umfangsabmessung besitzen; und
    - das erste (1) und das letzte (9) Element eines jeden Motivs derselben Modulo-360°-Phase entsprechen und identisch sind, und die restlichen Abstrahlelemente des Motivs sich jeweils voneinander und vom ersten und vom letzten Element unterscheiden;
    - jedes Motiv Abstrahlelemente (1, 2, 3, 4, 6, 7, 8, 9) beinhaltet, welche mindestens einen metallenen Patch (25, 26) und mindestens eine Abstrahlöffnung (24, 27) besitzen, welche in dem metallenen Patch (25, 26) versehen ist;
    - der metallene Patch (25, 26) und die Abstrahlöffnung (24, 27) eines jeden Abstrahlelementes eines Motivs jeweils einen Dimensionsparameter besitzen, welcher aus einer geometrischen Dimension oder einer elektrischen Länge gewählt ist, wobei der Parameter sich progressiv in einer gleichen ansteigenden oder absteigenden Richtung von einem Abstrahlelement des Motivs zu einem anderen, darauf folgenden Abstrahlelement entwickelt, wobei jedes Motiv in der vorbestimmten Reihenfolge eine Abfolge von progressiven Anstiegen oder progressiven Abstiegen eines ersten Dimensionsparameters des metallenen Patchs (26) mehrerer aufeinanderfolgender erster Abstrahlelemente (1 bis 4) beinhaltet, bis zu einem Abstrahlelement (5) im Mittelpunkt des Motivs, dadurch gekennzeichnet, dass das Abstrahlelement (5) im Mittelpunkt des Motivs von einer Abfolge progressiver Anstiege, bzw. einer Abfolge progressiver Abstiege eines zweiten Dimensionsparameters der Abstrahlöffnung (24) mehrerer aufeinanderfolgender zweiter Abstrahlelemente (6 bis 8) gefolgt ist.
  2. Reflektornetzwerk nach Anspruch 1, dadurch gekennzeichnet, dass die Öffnung (27) ein ringförmiger Schlitz (24) mit einer elektrischen Länge ist, welche progressiv von einem Abstrahlelement (7) zu einem anderen angrenzenden Abstrahlelement (8) ansteigt.
  3. Reflektornetzwerk nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, dass der metallene Patch (25) ein metallener Ring (26) ist, welcher eine sich entwickelnde Breite von einem Abstrahlelement (3) zu einem anderen angrenzenden Abstrahlelement (4) besitzt.
  4. Reflektornetzwerk nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Motiv Folgendes beinhaltet:
    - mehrere aufeinanderfolgende erste Abstrahlelemente (1, 2, 3, 4), welche einen metallenen Ring (26) beinhalten, welcher eine interne Öffnung (27) abgrenzt, bei welchen die Breite des metallenen Rings (26) progressiv von einem Abstrahlelement zu einem anderen angrenzenden Abstrahlelement bis zum Erzielen eines vollständigen metallenen Patchs (25), der ein Abstrahlelement (5) bildet, ansteigt und
    - mehrere aufeinanderfolgende zweite Abstrahlelemente (6, 7, 8, 9), welche einen internen metallenen Patch (25) und mindestens einen ringförmigen Schlitz (24) beinhalten, bei welchen die Breite des ringförmigen Schlitzes (24) progressiv von einem Abstrahlelement zu einem anderen angrenzenden Abstrahlelement bis zum Verschwinden des internen metallenen Patchs (25) und zum Erzielen eines metallenen Rings (26) ansteigt.
  5. Reflektornetzwerk nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Abstrahlelemente eine geometrische Form besitzen, welche aus einer Sechseckform oder eine Kreuzform mit zwei senkrechten Schenkeln gewählt ist.
  6. Reflektornetzwerk-Antenne, dadurch gekennzeichnet, dass sie mindestens ein Reflektornetzwerk nach einem der vorhergehenden Ansprüche beinhaltet.
EP09171108.5A 2008-10-07 2009-09-23 Reflektor und Antenne die einen solchen Reflektor umfasst Active EP2175523B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0805530A FR2936906B1 (fr) 2008-10-07 2008-10-07 Reseau reflecteur a arrangement optimise et antenne comportant un tel reseau reflecteur

Publications (2)

Publication Number Publication Date
EP2175523A1 EP2175523A1 (de) 2010-04-14
EP2175523B1 true EP2175523B1 (de) 2019-06-12

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Country Status (9)

Country Link
US (1) US8319698B2 (de)
EP (1) EP2175523B1 (de)
JP (1) JP5589225B2 (de)
KR (1) KR101528938B1 (de)
CN (1) CN101714695B (de)
CA (1) CA2681548C (de)
ES (1) ES2738531T3 (de)
FR (1) FR2936906B1 (de)
RU (1) RU2520370C2 (de)

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Also Published As

Publication number Publication date
CN101714695A (zh) 2010-05-26
FR2936906A1 (fr) 2010-04-09
JP2010093811A (ja) 2010-04-22
KR20100039264A (ko) 2010-04-15
FR2936906B1 (fr) 2011-11-25
US8319698B2 (en) 2012-11-27
CA2681548A1 (fr) 2010-04-07
CN101714695B (zh) 2015-06-10
KR101528938B1 (ko) 2015-06-15
RU2009137020A (ru) 2011-04-20
US20100085272A1 (en) 2010-04-08
ES2738531T3 (es) 2020-01-23
CA2681548C (fr) 2017-03-21
JP5589225B2 (ja) 2014-09-17
RU2520370C2 (ru) 2014-06-27
EP2175523A1 (de) 2010-04-14

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