EP1154510B1 - Transducteur d'ondes polarisées circulaires en linéaires - Google Patents

Transducteur d'ondes polarisées circulaires en linéaires Download PDF

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Publication number
EP1154510B1
EP1154510B1 EP01109544A EP01109544A EP1154510B1 EP 1154510 B1 EP1154510 B1 EP 1154510B1 EP 01109544 A EP01109544 A EP 01109544A EP 01109544 A EP01109544 A EP 01109544A EP 1154510 B1 EP1154510 B1 EP 1154510B1
Authority
EP
European Patent Office
Prior art keywords
rays
horizontal
depolarizer
vertical
vibrating
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 - Lifetime
Application number
EP01109544A
Other languages
German (de)
English (en)
Other versions
EP1154510A3 (fr
EP1154510A2 (fr
Inventor
Scott Brian
Rümmeli Bernd
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.)
Rr Elektronische Gerate & Co KG GmbH
RR Elektronische Geraete GmbH and Co KG
Original Assignee
Rr Elektronische Gerate & Co KG GmbH
RR Elektronische Geraete GmbH and Co KG
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 Rr Elektronische Gerate & Co KG GmbH, RR Elektronische Geraete GmbH and Co KG filed Critical Rr Elektronische Gerate & Co KG GmbH
Publication of EP1154510A2 publication Critical patent/EP1154510A2/fr
Publication of EP1154510A3 publication Critical patent/EP1154510A3/fr
Application granted granted Critical
Publication of EP1154510B1 publication Critical patent/EP1154510B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/165—Auxiliary devices for rotating the plane of polarisation
    • H01P1/17—Auxiliary devices for rotating the plane of polarisation for producing a continuously rotating polarisation, e.g. circular polarisation

Definitions

  • the invention relates to a device for converting circular vibrating electromagnetic radiation in linearly vibrating Rays.
  • transmitters which are linearly oscillating Emitting rays, and others that are circularly vibrating Send out rays.
  • OMT Vibration Transducer
  • EP 1 032 069 A1 An apparatus for converting linearly into circularly vibrating beams is known from EP 1 032 069 A1, which represents the state of the art under Article 54 (3.4) EPC.
  • Object of the present invention is therefore an apparatus to create that is capable of circularly vibrating rays for make the reception of antennas suitable, the linearly oscillating Can receive rays.
  • a depolarizer in a vibration converter rotatable between a vertical output for vertically oscillating beams and a horizontal output is stored for horizontally oscillating rays and between the horizontal output and the vertical output a Depolarisationssiellung is intended for circularly vibrating beams, in the dependent on the direction of rotation of the depolarizer a left-handed Vibrations exporting beam either the horizontal or the vertical output and a clockwise oscillations exporting Beam either the vertical output or the horizontal output can be supplied.
  • the depolarization position for circularly oscillating rays extends at an angle of 45 ° both to the horizontal and to the vertical direction.
  • this angular position of 45 0 is a particularly high-energy yield of circularly vibrating beams possible.
  • the depolarizer provided with a motor drive to its rotation are expediently as drives electric drives used, since they can be controlled very cheap.
  • the motor drive has a control that depends on the Vibration direction of incident rays.
  • this Control can be independent of the direction of vibration of the incident Beams automatically rotations of the depolarizer be made, which are suitable, the depolarizer within position the vibration transducer so that from the vibration transducer Blasting with a respective desired direction of vibration escape.
  • the depolarizer depolarizing elements that are at vertical Oscillation of incident rays vertically aligned are. In this way, leave the vibrator in vertical Direction of vibrating rays, without any deformation would have taken place. Similarly, it can also be horizontal oscillating beams are moved.
  • the invention for the derivation of circularly vibrating rays as vertically oscillating Rays the depolarizer from the horizontal direction its depolarizing elements towards the vertical Direction of its depolarizing elements pivoted by 45 °. In this position, the converter leave the circular oscillating Blasting to a large extent than in the vertical direction swinging rays.
  • the vibration converter 1 also has one another flange 10, which also with screw holes 11, 12, 13, 14 is provided. By this further flange 10 extends an opening 15, which is connected to an access 16 to the interior 4 is. This access 16 runs with his through him extending center axis 17 perpendicular to a through the interior 4 extending central axis 18.
  • the cylindrical part 3 is facing away from the flange 6 on its Side bounded by an outlet 19.
  • This outlet 19 is with Slots 20, 21 provided through a central portion 22 of the Extend outlet 19.
  • This middle part 22 is about the central axis 18 of the interior 4 rotatably mounted. That way you can the slots 20, 21 with respect to the Innraumes 4 set so be that the slots 20, 21 in the horizontal direction (FIG 4) extend or perpendicular thereto in the vertical direction.
  • the Slots 20, 21 are parallel to each other.
  • a changeover switch 23 is on the cylindrical part 3 in a range rotatably mounted, in which the further flange 10 in the cylindrical Part 3 opens. By turning this switch 23 can not shown deflection within the interior 4 are pivoted.
  • the direction of the central axis 17 incoming radiation can not drawn deflecting be adjusted so that through the Opening 15 in the direction of the central axis 17 entering radiation in Direction of the central axis 18 is deflected so that they are in the area the outlet 19 exits the interior 4.
  • the slots 20, 21 occur within the interior of the fourth deflected rays as horizontally vibrating or as vertical swinging rays out.
  • the depolarizer 2 consists essentially of a cylinder 24, its cylindrical surface 25 is provided with depolarizing elements 26 is. These depolarizing elements 26 have the ability to depolarize polarized rays so that they have a Have a variety of vibration directions.
  • the depolarizer 2 is fitted in the inner space 4 so that it to the central axis 18 is rotatably mounted. To execute this Rotational movements of this depolarizer 2 can be driven manually become. However, it is also possible, the depolarizer 2 at least an end 17 to be provided with a drive motor 28, with whose help the depolarizer 2 is rotated about its longitudinal axis 29 can be. Through these rotations, the depolarizing Elements 26 in a relation to the interior 4 arbitrary position to be brought.
  • the depolarizing element 26 in a position in which its longitudinal axis 30 in the direction of the slots 20, 21 runs, then almost the entire of the depolarizing Element 26 depolarized beam as horizontally linearly oscillating Beam through the slots 20, 21 in the horizontal direction.
  • This adjustment of the depolarizer 26 is shown in FIG 10 is shown.
  • they vibrate in the vertical direction Beams needed, so the slots 20, 21 opposite the state shown in Figure 4 pivoted by 90 ° and accordingly depolarizing element 26 of depolarizer 2 in FIG the same direction of the vertically extending slots 21, 22nd pivoted. This position is indicated in FIG. In this Traps vibrate vertically in the vertical direction Interior 4.
  • the depolarizer 2 In contrast, occur in the vibration converter 1, in its interior 4, the depolarizer 2 is fitted, through the end 5 circular vibrating rays into the interior 4, so is the depolarizer 2 twisted about the central axis 18 so that the depolarizing Elements 26 at an angle of 45 ° with respect to the horizontal or vertical.
  • This pivoting position of the depolarizer is shown in Figures 8, 11 and 12. In this Swivel position, the circularly polarizing beams are either converted into horizontally or vertically vibrating rays.
  • Depolarizer 2 may be a control for the drive motor 28 be provided, each depending on the aligned Radiation is. As a result, at the incident radiation found that this is circular swinging, so receives the drive motor 28 a pulse from its control, not shown, the depolarizing element in one between the horizontal and vertical position lying 45-degree position pivoted. Is found after pivoting, however, that the the outlet 19 leaving radiation not in accordance with the receiving antenna is, then automatically turn of the Not shown control of the drive motor 28 driven so that at a further incident circularly vibrating radiation the depolarizer 2 is pivoted by a further 90 °. In this Position is the arriving on the vibration transducer 1 circularly vibrating radiation converted into a vertically oscillating Radiation.

Landscapes

  • Waveguide Switches, Polarizers, And Phase Shifters (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Polarising Elements (AREA)
  • Holo Graphy (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Waveguide Aerials (AREA)

Claims (1)

  1. Transducteur d'ondes électromagnétiques polarisées circulaires en linéaires avec un dépolarisant (2) dont la surface (25) montre des éléments dépolarisants (26) avec le dépolarisant (2) restant rotatif dans un transducteur d'ondes (1) entre une sortie verticale pour les ondes qui oscillent verticalement et une sortie horizontale pour les ondes qui oscillent horizontalement - et où il y a une position dépolarisante pour les ondes qui oscillent circulairement qui est positionnée entre la sortie horizontale et la sortie verticale et dans laquelle - selon le sens de rotation du dépolarisant (2) des ondes tournant à gauche produisant des oscillations peuvent ètre envoyées soit à la sortie horizontale soit à la sortie verticale tout en offrant d'une part la possibilité de tourner le dépolarisant (2) par 45° du sens vertical de ses éléments dépolarisants (26) vers le sens horizontal de ses éléments dépolarisants (26) afin de transformer les ondes qui oscillent d'une facon circulaire comme ondes oscillant d'une facon horizontale et en offrant d'autre part la possibilité de tourner le dépolarisant (2) par 45° du sens horizontal de ses éléments dépolarisants (26) vers le sens vertical de ses éléments dépolarisants (26) afin de transformer les ondes qui oscillent d'une facon circulaire comme ondes qui oscillent d'une facon vertical, d'autre part."
EP01109544A 2000-04-14 2001-04-17 Transducteur d'ondes polarisées circulaires en linéaires Expired - Lifetime EP1154510B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20006916U 2000-04-14
DE20006916U DE20006916U1 (de) 2000-04-14 2000-04-14 Vorrichtung zur Umwandlung zirkular schwingender elektromagnetischer Strahlen

Publications (3)

Publication Number Publication Date
EP1154510A2 EP1154510A2 (fr) 2001-11-14
EP1154510A3 EP1154510A3 (fr) 2002-07-10
EP1154510B1 true EP1154510B1 (fr) 2005-09-07

Family

ID=7940287

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01109544A Expired - Lifetime EP1154510B1 (fr) 2000-04-14 2001-04-17 Transducteur d'ondes polarisées circulaires en linéaires

Country Status (4)

Country Link
US (1) US6693497B2 (fr)
EP (1) EP1154510B1 (fr)
AT (1) ATE304225T1 (fr)
DE (2) DE20006916U1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9136577B2 (en) 2010-06-08 2015-09-15 National Research Council Of Canada Orthomode transducer
DK2684248T3 (da) 2011-03-09 2019-08-05 Thrane & Thrane As Indretning til at skifte mellem lineær og cirkulær polarisation ved brug af en roterbar polarisator
US10756417B2 (en) * 2017-12-14 2020-08-25 Waymo Llc Adaptive polarimetric radar architecture for autonomous driving

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3920563A1 (de) * 1989-06-23 1991-01-10 Mueller Heinz Juergen Dipl Ing Erreger- bzw. speisesystem fuer eine parabolantenne
JPH03185901A (ja) * 1989-12-14 1991-08-13 Sharp Corp 偏波変換器
EP0452022A1 (fr) * 1990-04-09 1991-10-16 Plessey Semiconductors Limited Dispositif pour polariser
JPH06164204A (ja) * 1992-11-24 1994-06-10 Matsushita Electric Ind Co Ltd 衛星受信用コンバータ
JPH07321542A (ja) * 1994-05-20 1995-12-08 Fujitsu General Ltd 一次放射器カバー
US6100703A (en) * 1998-07-08 2000-08-08 Yissum Research Development Company Of The University Of Jerusalum Polarization-sensitive near-field microwave microscope
US6166610A (en) * 1999-02-22 2000-12-26 Hughes Electronics Corporation Integrated reconfigurable polarizer

Also Published As

Publication number Publication date
ATE304225T1 (de) 2005-09-15
DE50107331D1 (de) 2005-10-13
US6693497B2 (en) 2004-02-17
EP1154510A3 (fr) 2002-07-10
DE20006916U1 (de) 2001-06-13
US20020154402A1 (en) 2002-10-24
EP1154510A2 (fr) 2001-11-14

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