EP3227963B1 - Kompakte mehrband- und optional rekonfigurierbare hochohmige oberflächenvorrichtung und zugehöriges verfahren - Google Patents

Kompakte mehrband- und optional rekonfigurierbare hochohmige oberflächenvorrichtung und zugehöriges verfahren Download PDF

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EP3227963B1
EP3227963B1 EP15808741.1A EP15808741A EP3227963B1 EP 3227963 B1 EP3227963 B1 EP 3227963B1 EP 15808741 A EP15808741 A EP 15808741A EP 3227963 B1 EP3227963 B1 EP 3227963B1
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Prior art keywords
cavity
compartments
electrically conductive
compartment
bottom wall
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English (en)
French (fr)
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EP3227963A1 (de
Inventor
Cédric MARTEL
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Office National dEtudes et de Recherches Aerospatiales ONERA
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Office National dEtudes et de Recherches Aerospatiales ONERA
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    • 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
    • H01Q15/006—Selective devices having photonic band gap materials or materials of which the material properties are frequency dependent, e.g. perforated substrates, high-impedance surfaces
    • H01Q15/0066—Selective devices having photonic band gap materials or materials of which the material properties are frequency dependent, e.g. perforated substrates, high-impedance surfaces said selective devices being reconfigurable, tunable or controllable, e.g. using switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
    • H01Q1/523—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between antennas of an array
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent 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
    • H01Q15/004—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 using superconducting materials or magnetised substrates
    • 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
    • H01Q15/006—Selective devices having photonic band gap materials or materials of which the material properties are frequency dependent, e.g. perforated substrates, high-impedance surfaces
    • 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
    • H01Q15/0086—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices having materials with a synthesized negative refractive index, e.g. metamaterials or left-handed materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements

Definitions

  • the invention relates to surface devices with high electromagnetic impedance (or HIS for "High Impedance Surface”).
  • high electromagnetic impedance surface devices are used.
  • the latter can, for example, be used to reduce inter-element electromagnetic coupling in multistandard adaptive networks.
  • a high electromagnetic impedance surface device generally comprises a ground plane, at least one dielectric cavity (generally in the form of a substrate), and a printed circuit board (or PCB) "Printed Circuit Board”)), monolayer or multilayer, and comprising a multitude of conductive elements defining patterns arranged periodically and whose size and periodicity are small compared to the wavelength used.
  • PCB printed circuit board
  • the high electromagnetic impedance surface device When it is desired that the high electromagnetic impedance surface device has at least two resonant frequencies, it can, for example, be arranged as described in the patent document. US 6,670,932 . More precisely, this high electromagnetic impedance surface device is of the mushroom type, that is to say it comprises a conductive ground plane defining a cavity that is not compartmentalized but comprising a matrix of identical conducting pillars, filled with a dielectric material and covered by a printed circuit board bearing metallic patterns, so as to constitute electromagnetic resonators having different resonant wavelengths. The size and periodicity of the elements (or “patches") defining the patterns is lower than the resonance wavelengths of the electromagnetic resonators.
  • Each pattern is intended to hook at the entrance of the cavity an incident electromagnetic wave which propagates in the ground plane, then to generate, under the pattern, a loop of electric current at a resonant frequency determined so as to reflect any incident electromagnetic wave having a frequency in a narrow band centered around this resonant frequency.
  • the described device provides an interleaving of a first "matrix" of electromagnetic resonators, identical and having a first resonance frequency, with a second "matrix” of electromagnetic resonators, identical and having a second resonant frequency.
  • This interlacing is obtained by the patterns that are carried by the printed circuit board of fractal or multilayer type, each pattern being centered either on a pillar or between four adjacent pillars.
  • the main disadvantage of this type of device lies in the fact that the first and second resonant frequencies can not be adjusted independently of one another and that the reflection bands, whose resonance frequencies are the central frequencies , are quite narrow.
  • this type of device is relatively bulky.
  • the object of the invention is therefore in particular to improve the situation, and more specifically to enable obtaining in a reduced space of frequencies (or resonant wavelengths) that can be easily adjusted relative to each other and defining the central frequencies (or wavelengths) of spectrally wider reflection bands than in the state of the art.
  • a high-impedance surface device comprising an assembly of at least two separate substantially cylindrical compartments having internal surfaces in a conductive material. electrical conductor, and each having, at one end, a single opening, these openings of the compartments being oriented on the same side and covered by at least one periodic structure of electrical conductive patterns, each compartment being filled with a dielectric material, each compartment thus covered forming at least one electromagnetic resonator, and each electromagnetic resonator having a resonant wavelength.
  • the invention also proposes a satellite positioning signal receiver, comprising an electric ground plane, at least two radiating elements disposed on this ground plane, and at least one high impedance surface device of the type presented above. , arranged on the ground plane between the radiating elements.
  • the invention also proposes a method for modifying the impedance over several frequency bands of a high-impedance surface device and comprising at least one step of modifying the electromagnetic properties of at least one compartment of the device.
  • a high impedance surface device of the type shown above.
  • the invention also provides a method for enabling the manufacture of a high impedance surface device which comprises a plurality of substantially cylindrical, separate compartments and a periodic structure of electrical conductive patterns.
  • the object of the invention is in particular to propose a compact, multi-banded and possibly reconfigurable high-impedance surface device 1 and associated methods.
  • the high impedance surface device 1 is part of a satellite positioning signal receiver 15, possibly of the GNSS type ("Global Navigation"). Satellite System "). But the invention is not limited to this application.
  • a high impedance surface device 1, according to the invention can indeed equip many devices, systems or installations, civil or military, and in particular land vehicles, maritime, river or air, transmitting stations and / or receivers, and buildings (possibly of industrial type).
  • this receiver 15 comprises a ground plane 16, at least two radiating elements 17 k disposed on this ground plane 16, and at least one high-impedance surface device 1 according to the invention, arranged on the plane of mass 16 between the radiating elements 17 k .
  • the radiating elements 17 k define an adaptive network capable of receiving navigation signals, for example GNSS signals, in a scrambled environment by modifying the radiation from the receiver to generate nulls (or zeros) of radiation in the interference interference directions.
  • the adaptation of the radiation pattern as a function of the jammers is carried out by means of a post-processing of the navigation signals received on each of the radiating elements 17 k of the network.
  • the receiver 15 may comprise any number of radiating elements 17 k , provided that this number is greater than or equal to two.
  • the high impedance surface device 1 can in particular reduce the electromagnetic coupling between radiating elements 17 k and optimize the robustness of the receiver 15 vis-à-vis electromagnetic interference.
  • a high impedance surface device 1 can be responsible for stopping the currents propagating between the radiating elements 17 k of the adaptive network in order to reduce the electromagnetic coupling between radiating elements and to optimize the robustness of the receiver GNSS with regard to electromagnetic interference.
  • a high impedance surface device 1 comprises at least one set of at least two compartments 2 j and at least one periodic structure of electrical conductive patterns 4.
  • the compartments 2 j of the assembly are separated and substantially cylindrical, have internal surfaces made of an electrically conductive material, and each have, at one end, a single opening 3.
  • each compartment 2 j is filled with a dielectric material, for example air.
  • the compartments 2 j are substantially cylindrical of rectangular or square section.
  • the openings 3 of the compartments 2 j are all oriented on the same side and covered by at least one periodic structure of electrical conductive patterns 4. It will be understood that each opening 3 can be associated with its own periodic structure of electrical conductive patterns 4, such as illustrated without limitation on Figures 5 and 6 or the openings 3 may be associated with the same periodic structure of electrical conductive patterns 4, as shown in non-limiting manner on the Figures 1 to 4 .
  • each compartment 2 j can be covered by a single electrical conductive pattern 4.
  • the electrical conductive patterns 4 of each periodic structure may be secured to support means, such as for example a printed circuit board (or PCB), 18 of type monolayer or multilayer.
  • support means such as for example a printed circuit board (or PCB), 18 of type monolayer or multilayer.
  • the electrical conductive patterns 4 can be printed on this printed circuit board 18.
  • the electrical conductive patterns 4 are arranged periodically and their size and periodicity are small compared to the wavelength used.
  • each pattern 4 may be a metal gate ensuring its own support function.
  • active elements such as, for example, varactors, may be optionally and previously integrated on / in the printed circuit board 18 to adjust the capacitive effect of the patterns 4.
  • the device 1 may optionally comprise first adjustment means arranged to adjust the dielectric permittivity of the support means.
  • the first adjustment means can be made in the form of materials whose properties can be controlled electronically, such as for example liquid crystals, plasmas or ferroelectric materials, and electronic control means of such materials.
  • the first adjustment means may be made in the form of an adjustable permittivity metamaterial.
  • the dielectric permittivity acts on the inductance of compartment 2 j . The higher the permittivity, the lower the height of compartment 2 j can be.
  • Each compartment 2 j forms with the periodic structure of electrical conductive patterns 4 which covers its opening 3 at least one electromagnetic resonator having a resonant frequency.
  • the compartments 2 j are separated from each other by a distance that is smaller than the shortest resonance wavelength presented by the electromagnetic resonators they form. Furthermore, at least two respective resonant wavelengths of electromagnetic resonators formed by the compartments 2 covered j are different.
  • the periodic structure of electrical conductive patterns 4 has a spatial period that is less than half of the lowest resonance wavelength.
  • the device 1 produces a high impedance effect at several frequencies (or wavelengths) of resonance.
  • the number of exploitable resonance frequencies (or wavelengths) is equal to the number of compartments.
  • the high impedance effect is produced on a fictitious surface which is located above the printed circuit board 18, very close and parallel to the printed circuit board 18 and can cover a larger or smaller surface depending on the frequency (or wavelength) of resonance considered.
  • the device 1 can be implemented according to exemplary embodiments which can be grouped together in at least two families.
  • a first family groups the illustrated examples on the Figures 1 to 4 .
  • a second family includes the illustrated examples on the Figures 5 and 6 .
  • the device 1 comprises a single cavity 5 in which each compartment 2 j is arranged (or defined).
  • the cavity 5 comprises at least one vertical partition 6 which is electrically conductive and in contact with a bottom wall 7 and which delimits two compartments 2 j .
  • Each vertical partition 6 is preferably substantially plane, and defines a plane substantially perpendicular to a plane defined by the bottom wall 7 of the cavity 5.
  • This electrical conductive character can come from the material in which the vertical partition 6 is made or the fact that the vertical partition 6 is coated on its surfaces with a layer of an electrically conductive material.
  • a single periodic structure of electrical conductive patterns 4 covers all the openings 3 of the different compartments 2 j .
  • the cavity 5 is delimited by at least one side wall 10 and the bottom wall 7.
  • the latter walls 7, 10 are electrically conductive.
  • This electrically conductive character can come from the material in which they are made or because they are coated with a layer of an electrically conductive material on their inner surfaces.
  • the cavity 5 can either be attached and secured to the ground plane 16, for example by welding or gluing, or be an integral part of the ground plane 16, for example by stamping and cutting.
  • the cavity 5 can comprise any number of compartments 2 j , provided that this number is greater than or equal to two.
  • This cavity 5 with multiple electromagnetic resonators produces capacitive and inductive effects ei which are at the origin of the high surface impedance.
  • capacitive effect between the ground plane 16 and each pattern 4 which overlaps it a capacitive effect between overlapping patterns 4, and an inductive effect ei in each compartment 2 j , more precisely in the depth hj of each compartment. 2 j , thus forming a current loop.
  • the vertical distances between the upper ends 11 of the vertical partitions 6 and the patterns 4 may be zero, the vertical partitions 6 being in this case in contact with the printed circuit board 18.
  • the resonance frequency setting can be made by adjusting both the distances lm and the heights hm. This solution is particularly advantageous when it is desired to obtain more than two resonance frequencies because it makes it possible to increase the degrees of freedom to optimize the device 1.
  • FIGS. Figures 1, 2 and 4 The choice of resonance frequencies by adjustment of the respective height hm of the vertical partitions 6 is illustrated on the figure 2 .
  • the choice of the resonant frequencies may be the subject of an initial design or of a preliminary adjustment, for example via appropriate adjustment means for given functions, or of a real-time adjustment by means of appropriate settings.
  • each vertical partition 6 can be movable in a direction which is substantially parallel to a plane defined by the bottom wall 7 of the cavity 5.
  • the device 1 may comprise adjustment means arranged to adjust the horizontal position of each vertical partition 6 in the cavity 5.
  • each vertical partition 6 can be movable in a direction (here vertical) which is substantially perpendicular to the plane defined by the bottom wall 7 of the cavity 5.
  • the device 1 may comprise adjusting means arranged to adjust the height of each vertical partition 6 in the cavity 5.
  • each compartment 2 j can be provided with an auxiliary bottom wall 8, distinct from the bottom wall 7 of the cavity 5, electrically conductive, and mounted vertically movable in the cavity 5. It will be understood that by varying the position (here vertical) hm of an auxiliary bottom wall 8 of a compartment 2 j , this amounts to varying the height in the cavity 5 of the corresponding vertical partition 6.
  • the device 1 may comprise adjustment means arranged to adjust the position (here vertical) of each auxiliary bottom wall 8 in its compartment 2 j .
  • each vertical partition 6 which extends opposite one of the electrical conductive patterns 4 may optionally have a flared section. This makes it possible to increase the capacitive effect between the vertical partition 6 and the patterns 4 of the printed circuit board 18.
  • the following method can be implemented. First, we can design a first single-band electromagnetic resonator on a frequency f1. Then, we can determine the number of vertical partitions 6 to set the number of resonance frequencies f1 to fn. Then, the vertical partitions 6 can be inserted into the cavity 5. The height of the cavity 5 can then be adjusted to obtain the first resonance frequency at the frequency f1. Finally, it is possible to adjust the distances lm and / or the heights hm to adjust the frequencies f2 to fn of the other resonant frequencies.
  • a method may be designed to allow the manufacture of a high impedance surface of device 1 which comprises a plurality of separate compartments 2 j, substantially cylindrical, and a periodic structure patterns electrical conductors 4.
  • the variation of the width of the first compartment 2 1 does not substantially change the first resonance frequency f1 but varies the second resonant frequency f2.
  • the resonant frequency f1 remains stable as a function of the distance 11, since the mode generated in the device 1 is the result of a resonance where the magnetic field moves vertically in the cavity 5 in an electromagnetic manner.
  • the vertical partition 6 in fact interacts with the electromagnetic field, and thus the field vanishes on a vertical line in the vicinity of the vertical partition 6 and produces a higher order mode than that observed at the resonance frequency f1.
  • the distance 11 thus conditions this resonance mode and affects the value of the resonant frequency f2.
  • the device 1 comprises at least two cavities 5 j disjoint forming (or defining) each one of the compartments 2 j.
  • the number of frequencies (or wavelengths) of resonance is here defined by the number of cavities 5 j .
  • each cavity 5j is associated with its own periodic pattern of electrical conductive patterns 4 which is defined on its own printed circuit board 18. But in a non-illustrated embodiment, each cavity 5j is associated with its own periodic structure of electrical conductive patterns 4, but the various periodic structures are defined on the same printed circuit board 18.
  • the cavities 5 j and therefore the electromagnetic resonators, share the same ground plane 16 and, as indicated above, are spaced apart from one another by a distance that is less than the smallest. resonance wavelength.
  • This family of exemplary embodiments has the particularity of producing successive high impedance effects for distinct resonant frequencies.
  • Each electromagnetic resonator is characterized by its own resonance frequency.
  • the high impedance effect is produced on a dummy surface located above the or each printed circuit board 18 and very close to, and parallel to, the or each printed circuit board 18.
  • the height hm of a cavity 5 j and the type of dielectric material in the cavity 5 j directly impact the inductance value, whereas the circuit board printed matter 18 tends to impact the value of the capacity.
  • the multi-resonant character obtained also with this family of exemplary embodiments proves unexpected, insofar as it was logical to think that the frequencies higher than the resonance frequency of the first cavity 5 1 could not cross the latter cavity 5 1 and reach the neighboring cavities 5 j (with j ⁇ 1).
  • the device 1 can comprise at least two horizontal partitions 9 j electrically conductive, each mounted vertically movable within one of the cavities 5 j, and each forming a bottom wall of one of the compartments 2 j.
  • the electrical conductive character can come from the material in which is made each horizontal partition 9 j or the fact that each horizontal partition 9 j is coated on its surfaces with a layer of an electrically conductive material.
  • the device 1 comprises adjustment means arranged to adjust the position (here vertical) of each horizontal partition 9 j in its cavity 5 j , and therefore its compartment 2 j .
  • the device 1 may optionally comprise second adjustment means arranged to adjust the magnetic permeability of the material filling each compartment 2 j .
  • the second adjustment means may be made in the form of a magnetic material of adjustable magnetic permeability, such as for example a ferromagnetic material or a metamaterial.
  • the second adjustment means can be made in the form of a ferrite whose magnetic permeability changes under the influence of a magnetic field.
  • the reflective band increases with the increase of the magnetic permeability of the material.
  • An adjustable magnetic permeability makes it possible to adjust the inductance.
  • a compact high-impedance surface device is available because it comprises a reduced number of cavities.
  • a multi-band high-impedance surface device is available, possibly reconfigurable, and adapted to spectrally wider reflection bands than in the state of the art.

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  • Optics & Photonics (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)

Claims (14)

  1. Hochohmige Oberflächenvorrichtung (1), umfassend eine Baugruppe aus mindestens zwei getrennten im Wesentlichen zylindrischen Kammern (2j), die Innenflächen aus einem elektrisch leitenden Material haben und jeweils an einem Ende eine einzige Öffnung (3) aufweisen, wobei die Öffnungen (3) der Kammern (2j) auf einer gleichen Seite ausgerichtet sind und durch mindestens eine periodische Struktur von elektrisch leitenden Mustern (4) bedeckt sind, wobei jede Kammer (2j) mit einem dielektrischen Material gefüllt ist, wobei jede so bedeckte Kammer (2j) mindestens einen elektromagnetischen Resonator bildet und jeder elektromagnetische Resonator eine Resonanzwellenlänge aufweist, wobei die Vorrichtung (1) dadurch gekennzeichnet ist, dass:
    - die mindestens zwei Kammern (2j) in einem Abstand voneinander getrennt sind, der kleiner als die schwächste Resonanzwellenlänge ist, die die Resonatoren, die sie bilden, aufweisen,
    - mindestens zwei jeweilige Resonanzwellenlängen der durch die mindestens zwei bedeckten Kammern (2j) gebildeten elektromagnetischen Resonatoren verschieden sind, und
    - die periodische Struktur eine räumliche Periode aufweist, die kleiner als die Hälfte der kürzesten Resonanzwellenlänge ist.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass sie einen Hohlraum (5), in dem jede Kammer (2j) angeordnet ist, mindestens eine vertikale Trennwand (6), die in dem Hohlraum (5) angeordnet ist, wobei die vertikale Trennwand (6) elektrisch leitend ist, mit einer Bodenwand (7) des Hohlraums (5) in Kontakt steht und die mindestens zwei Kammern (2j) begrenzt, und eine einzige periodische Struktur von elektrisch leitenden Mustern (4), die alle Öffnungen (3) der Kammern (2j) bedecken, umfasst.
  3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass jede vertikale Trennwand (6) entlang einer im Wesentlichen parallel zu einer durch die Bodenwand (7) des Hohlraums (5) definierten Ebene beweglich ist.
  4. Vorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass jede Kammer (2j) mit einer zusätzlichen Bodenwand (8) versehen ist, die elektrisch leitend ist, von der Bodenwand (7) des Hohlraums (5) verschieden ist und vertikal beweglich in dem Hohlraum (5) angebracht ist.
  5. Vorrichtung nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass sie Einstellmittel umfasst, die zum Einstellen der Höhe jeder vertikalen Trennwand (6) angeordnet sind.
  6. Vorrichtung nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, dass sich eines der Enden jeder vertikalen Trennwand (6) gegenüber eines der elektrisch leitenden Muster (4) erstreckt und einen aufgeweiteten Querschnitt aufweist.
  7. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass sie mindestens zwei nicht verbundene Hohlräume (5j) umfasst, wobei jeder Hohlraum (5j) eine der Kammern (2j) bildet.
  8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass sie mindestens zwei horizontale Trennwände (9) umfasst, wobei jede horizontale Trennwand (9) elektrisch leitend ist und vertikal beweglich im Inneren eines der Hohlräume (5j) angebracht ist und eine Bodenwand einer der Kammern (2j) bildet.
  9. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass jede Kammer (2j) durch ein einziges elektrisch leitendes Muster (4) bedeckt ist.
  10. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass jede periodische Struktur von elektrisch leitenden Mustern (4) mit Stützmitteln (18) fest verbunden ist.
  11. Vorrichtung nach Anspruch 10, dadurch gekennzeichnet, dass sie erste Einstellmittel umfasst, die zum Einstellen der dielektrischen Permittivität der Stützmittel angeordnet sind.
  12. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie zweite Einstellmittel umfasst, die zum Einstellen der magnetischen Permeabilität des dielektrischen Materials angeordnet sind.
  13. Satellitenpositionssignalempfänger (15), umfassend eine Erdungsfläche (16) und mindestens zwei Strahlungselemente (17k), die auf der Erdungsfläche (16) angeordnet sind, dadurch gekennzeichnet, dass er fermer mindestens eine hochohmige Oberflächenvorrichtung (1) nach einem der vorhergehenden Ansprüche umfasst, die auf der Erdungsfläche (16) zwischen den Strahlungselementen (17k) angeordnet ist.
  14. Verfahren zur Änderung der Impedanz über mehrere Frequenzbänder einer hochohmigen Oberflächenvorrichtung, dadurch gekennzeichnet, dass es mindestens einen Schritt des Änderns der elektromagnetischen Eigenschaften mindestens einer Kammer (2j) einer hochohmigen Oberflächenvorrichtung (1) nach einem der Ansprüche 1 bis 12 umfasst.
EP15808741.1A 2014-12-05 2015-11-26 Kompakte mehrband- und optional rekonfigurierbare hochohmige oberflächenvorrichtung und zugehöriges verfahren Active EP3227963B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1461962A FR3029694B1 (fr) 2014-12-05 2014-12-05 Dispositif de surface a haute impedance compact, multibandes et eventuellement reconfigurable, et procede associe
PCT/FR2015/053220 WO2016087749A1 (fr) 2014-12-05 2015-11-26 Dispositif de surface à haute impédance compact, multibandes et éventuellement reconfigurable, et procédé associé

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EP3227963A1 EP3227963A1 (de) 2017-10-11
EP3227963B1 true EP3227963B1 (de) 2018-09-05

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US (1) US10305194B2 (de)
EP (1) EP3227963B1 (de)
CA (1) CA2967732C (de)
ES (1) ES2694280T3 (de)
FR (1) FR3029694B1 (de)
IL (1) IL252085B (de)
WO (1) WO2016087749A1 (de)

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US10116023B2 (en) 2016-10-24 2018-10-30 The Boeing Company Phase shift of signal reflections of surface traveling waves
DE102019214124A1 (de) * 2019-09-17 2021-03-18 Continental Automotive Gmbh Antennenvorrichtung und Fahrzeug aufweisend eine Antennenvorrichtung
JP7449746B2 (ja) * 2020-03-27 2024-03-14 京セラ株式会社 アンテナ、無線通信モジュール、荷物受取装置及び荷物受取システム
FR3143219A1 (fr) 2022-12-07 2024-06-14 Thales Système antennaire amélioré et dispositif de découplage associé

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US6670932B1 (en) * 2000-11-01 2003-12-30 E-Tenna Corporation Multi-resonant, high-impedance surfaces containing loaded-loop frequency selective surfaces
FR2959611B1 (fr) * 2010-04-30 2012-06-08 Thales Sa Element rayonnant compact a cavites resonantes.

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WO2016087749A1 (fr) 2016-06-09
EP3227963A1 (de) 2017-10-11
FR3029694B1 (fr) 2016-12-09
FR3029694A1 (fr) 2016-06-10
CA2967732C (fr) 2022-12-13
US20170365931A1 (en) 2017-12-21
US10305194B2 (en) 2019-05-28
IL252085B (en) 2021-05-31
ES2694280T3 (es) 2018-12-19
IL252085A0 (en) 2017-07-31
CA2967732A1 (fr) 2016-06-09

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