JP2011510550A - 複反射鏡アンテナの副反射鏡 - Google Patents
複反射鏡アンテナの副反射鏡 Download PDFInfo
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- JP2011510550A JP2011510550A JP2010542620A JP2010542620A JP2011510550A JP 2011510550 A JP2011510550 A JP 2011510550A JP 2010542620 A JP2010542620 A JP 2010542620A JP 2010542620 A JP2010542620 A JP 2010542620A JP 2011510550 A JP2011510550 A JP 2011510550A
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- 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
- H01Q19/18—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 having two or more spaced reflecting surfaces
- H01Q19/19—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 having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
- H01Q19/193—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 having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface with feed supported subreflector
-
- 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
- H01Q19/18—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 having two or more spaced reflecting surfaces
- H01Q19/19—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 having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
-
- 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
- H01Q15/14—Reflecting surfaces; Equivalent structures
- H01Q15/141—Apparatus or processes specially adapted for manufacturing reflecting surfaces
- H01Q15/142—Apparatus or processes specially adapted for manufacturing reflecting surfaces using insulating material for supporting the reflecting surface
-
- 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
- H01Q19/12—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 wherein the surfaces are concave
- H01Q19/13—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 wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination
- H01Q19/134—Rear-feeds; Splash plate feeds
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- Electromagnetism (AREA)
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
【選択図】図1
Description
・導波管の端部に結合するように適合された第1の直径の接合部を有する第1の端部、
・第1の直径よりも大きい第2の直径を有する第2の端部、
・第2の端部に配置され、回転軸を有する凸面の内側反射表面、
・2つの端部を連結する同じ軸の外側表面、
・第1の端部と第2の端部との間に延び、内側表面及び外側表面によって制限された誘電体材料部
を備える複反射鏡アンテナの副反射鏡である。
・導波管の端部に結合するように適合された第1の直径の接合部を有する第1の端部、
・第1の直径よりも大きい第2の直径を有する第2の端部、
・第2の端部に配置され、回転軸を有する凸面の内側反射表面、
・第1の端部と第2の端部との間に延び、内側表面及び外側表面によって制限された誘電体材料部、
・主反射鏡のできるだけ近くに配置され、aが0でないものとして、数式の6次の多項式のy=ax6+bx5+cx4+dx3+ex2+fx+gによって記述される凸面プロファイルを有する同じ軸の外側表面
を備える。
y=(−3.904×10−7)x6+(4.658×10−5)x5+(−1.947×10−3)x4+(3.358×10−2)x3+(−2.927×10−1)x2+(3.006×10−1)x+(3.462×10)
・従来技術による既知の円錐形プロファイル(基準曲線70)、
・本発明の第1の実施形態に対応するプロファイル(曲線71)、及び
・本発明の第2の実施形態による環状輪郭部からなるプロファイル(曲線72)
に対する複反射鏡アンテナの副反射鏡の垂直面での放射パターンを示す。
・従来技術による既知の円錐形プロファイル(基準曲線80)、
・本発明の第1の実施形態に対応するプロファイル(曲線81)、及び
・本発明の第2の実施形態による環状輪郭部からなるプロファイル(曲線82)
について、今回は水平面で測定された副反射鏡の放射パターンを示す。
Claims (5)
- 導波管(3)の端部に結合するように適合された第1の直径の接合部を有する第1の端部、
前記第1の直径よりも大きい第2の直径を有する第2の端部、
前記第2の端部に配置され、回転軸(13)を有する凸面の反射性内側表面(12)、
前記2つの端部を連結する同じ軸(13)の外側表面(14)、
前記第1の端部と前記第2の端部との間に延び、前記内側表面(12)及び前記外側表面(13)によって制限された誘電体材料部(11)
を備えた複反射鏡アンテナの副反射鏡であって、
前記外側表面(14)が数式の6次の多項式のy=ax6+bx5+cx4+dx3+ex2+fx+g(aは0でない)によって記述される凸面プロファイルを有することを特徴とする副反射鏡。 - 請求項1記載の副反射鏡であって、前記外側表面(22)が前記誘電体材料部(11)を囲むリングの形状の特有の輪郭部(21)をさらに備える、副反射鏡。
- 請求項2記載の副反射鏡であって、前記輪郭部(21)が前記回転軸(23)に垂直な方向に突き出る、副反射鏡。
- 主反射鏡(1)及び関連する副反射鏡(2、10)を備えた複反射鏡アンテナであって、
前記副反射鏡(2、10)が、
導波管(3)の端部に結合するように適合された第1の直径の接合部を有する第1の端部、
前記第1の直径よりも大きい第2の直径を有する第2の端部、
前記第2の端部に配置され、回転軸(13)を有する凸面の反射性内側表面(12)、
前記主反射鏡(1)のできるだけ近くに配置され、aが0でないものとして、数式の6次の多項式のy=ax6+bx5+cx4+dx3+ex2+fx+gによって記述される凸面プロファイルを有する同じ軸(13)の外側表面(14)、
前記第1の端部と前記第2の端部との間に延び、前記内側表面(12)及び前記外側表面(14)によって制限された誘電体材料部(11)
を備えたことを特徴とする複反射鏡アンテナ。 - 請求項4記載の複反射鏡アンテナであって、シュラウドを備える主反射鏡(50)を備え、前記シュラウド(51)及び前記主反射鏡(50)が単一構成要素で製作される、複反射鏡アンテナ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0850301 | 2008-01-18 | ||
FR0850301A FR2926680B1 (fr) | 2008-01-18 | 2008-01-18 | Reflecteur-secondaire d'une antenne a double reflecteur |
PCT/EP2009/050393 WO2009090195A1 (en) | 2008-01-18 | 2009-01-14 | Sub-reflector of a dual-reflector antenna |
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JP2014010919A Division JP2014112909A (ja) | 2008-01-18 | 2014-01-24 | 複反射鏡アンテナの副反射鏡 |
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JP2011510550A true JP2011510550A (ja) | 2011-03-31 |
JP5679820B2 JP5679820B2 (ja) | 2015-03-04 |
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JP2014010919A Pending JP2014112909A (ja) | 2008-01-18 | 2014-01-24 | 複反射鏡アンテナの副反射鏡 |
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US (1) | US8102324B2 (ja) |
EP (1) | EP2081258B1 (ja) |
JP (2) | JP5679820B2 (ja) |
KR (1) | KR101468889B1 (ja) |
CN (1) | CN101488606B (ja) |
AT (1) | ATE508495T1 (ja) |
DE (1) | DE602009001193D1 (ja) |
FR (1) | FR2926680B1 (ja) |
WO (1) | WO2009090195A1 (ja) |
Families Citing this family (163)
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- 2009-01-14 WO PCT/EP2009/050393 patent/WO2009090195A1/en active Application Filing
- 2009-01-14 JP JP2010542620A patent/JP5679820B2/ja not_active Expired - Fee Related
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- 2009-01-15 DE DE602009001193T patent/DE602009001193D1/de active Active
- 2009-01-15 EP EP09150680A patent/EP2081258B1/fr not_active Not-in-force
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JP2014112909A (ja) | 2014-06-19 |
DE602009001193D1 (de) | 2011-06-16 |
KR101468889B1 (ko) | 2014-12-10 |
CN101488606A (zh) | 2009-07-22 |
KR20100119550A (ko) | 2010-11-09 |
JP5679820B2 (ja) | 2015-03-04 |
EP2081258A1 (fr) | 2009-07-22 |
US20090184886A1 (en) | 2009-07-23 |
US8102324B2 (en) | 2012-01-24 |
CN101488606B (zh) | 2012-07-18 |
ATE508495T1 (de) | 2011-05-15 |
WO2009090195A1 (en) | 2009-07-23 |
FR2926680A1 (fr) | 2009-07-24 |
FR2926680B1 (fr) | 2010-02-12 |
EP2081258B1 (fr) | 2011-05-04 |
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