JPWO2020110375A1 - アンテナ装置及びアンテナ調整方法 - Google Patents
アンテナ装置及びアンテナ調整方法 Download PDFInfo
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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
-
- 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
- H01Q15/147—Reflecting surfaces; Equivalent structures provided with means for controlling or monitoring the shape of the 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
- H01Q15/16—Reflecting surfaces; Equivalent structures curved in two dimensions, e.g. paraboloidal
- H01Q15/161—Collapsible reflectors
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- 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
- H01Q3/01—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 shape of the antenna or antenna system
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Description
以下に、本発明を実施するための形態について図面を参照して詳細に説明する。
Claims (8)
- 主反射鏡と、
複数の副反射鏡パネルを含み、前記主反射鏡の反射面に対向する反射面を有する副反射鏡と、
前記副反射鏡で反射された電波を受信する一次放射器と、
複数の前記副反射鏡パネルにそれぞれ結合し、前記副反射鏡パネルをそれぞれ駆動する複数の副反射鏡パネル駆動機構と、
前記副反射鏡パネル駆動機構を駆動したときの前記一次放射器で受信する電波の受信電界強度の変化に基づいて、前記副反射鏡パネルにそれぞれ対応する素子電界ベクトルの相対位相を計算し、前記主反射鏡の開口面における位相分布が最小となる前記副反射鏡パネルの位置を決定する位相計算部と、
を備えるアンテナ装置。 - 前記位相計算部は、前記副反射鏡パネル駆動機構を微細に駆動したときの前記一次放射器で受信する電波の受信電界強度の変化に基づいて、複数のアンテナ素子とみなした複数の前記副反射鏡パネルにそれぞれ対応する素子電界ベクトルの相対位相を、素子電界ベクトル回転法を用いて計算する、
請求項1に記載のアンテナ装置。 - 前記位相計算部は、前記主反射鏡を仰角方向に変動させたときに、前記副反射鏡パネル駆動機構を駆動させて、前記相対位相の計算を実行する、
請求項1又は2に記載のアンテナ装置。 - 前記主反射鏡の形状から近似曲面を算出し、その焦点位置に前記副反射鏡を移動させる姿勢制御部を、更に備え、
前記位相計算部は、前記姿勢制御部により前記副反射鏡を移動させた後に、前記副反射鏡パネル駆動機構を駆動させて、前記相対位相の計算を実行する、
請求項3に記載のアンテナ装置。 - 前記受信電界強度が最大となる前記副反射鏡の位置を決定し、当該位置に前記副反射鏡を移動させる姿勢制御部を、更に備え、
前記位相計算部は、前記姿勢制御部により前記副反射鏡を移動させた後に、前記副反射鏡パネル駆動機構を駆動させて、前記相対位相の計算を実行する、
請求項3に記載のアンテナ装置。 - 予め、前記主反射鏡を複数の仰角方向に変動させて、前記位相計算部が前記副反射鏡パネルの位置を決定した位置情報を記憶する記憶部を、更に備え、
前記位相計算部は、前記記憶部に記憶した位置情報と、前記主反射鏡の仰角と、に基づいて、前記副反射鏡パネルの位置を決定する、
請求項1から5のいずれか1項に記載のアンテナ装置。 - 前記副反射鏡と前記一次放射器との間に1以上の集束反射鏡を、更に備え、
前記副反射鏡で反射された電波が前記集束反射鏡で反射して前記一次放射器の位相中心に集束する、
請求項1から6のいずれか1項に記載のアンテナ装置。 - 主反射鏡と、複数の副反射鏡パネルを含む副反射鏡と、前記副反射鏡で反射された電波を受信する一次放射器と、を備えるアンテナ装置において、
前記副反射鏡パネルの位置を変えたときの前記一次放射器で受信する電波の受信電界強度の変化に基づいて、前記副反射鏡パネルにそれぞれ対応する素子電界ベクトルの相対位相を計算し、前記主反射鏡の開口面における位相分布が最小となる前記副反射鏡パネルの位置を決定する位相計算ステップ、
を有するアンテナ調整方法。
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JP2018221095 | 2018-11-27 | ||
JP2018221095 | 2018-11-27 | ||
PCT/JP2019/031500 WO2020110375A1 (ja) | 2018-11-27 | 2019-08-08 | アンテナ装置及びアンテナ調整方法 |
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JPWO2020110375A1 true JPWO2020110375A1 (ja) | 2021-02-18 |
JP6910569B2 JP6910569B2 (ja) | 2021-07-28 |
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WO (1) | WO2020110375A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0575336A (ja) * | 1991-09-10 | 1993-03-26 | Mitsubishi Electric Corp | アンテナ装置 |
JP2000201019A (ja) * | 1999-01-06 | 2000-07-18 | Mitsubishi Electric Corp | アンテナ測定・調整装置 |
JP2001196842A (ja) * | 2000-01-12 | 2001-07-19 | Mitsubishi Electric Corp | 反射鏡アンテナの鏡面精度測定装置およびこれを応用した鏡面制御システム |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4298877A (en) * | 1979-01-26 | 1981-11-03 | Solar Energy Technology, Inc. | Offset-fed multi-beam tracking antenna system utilizing especially shaped reflector surfaces |
JPH02209003A (ja) * | 1989-02-09 | 1990-08-20 | Mitsubishi Electric Corp | アンテナ装置 |
JP2825907B2 (ja) * | 1990-02-13 | 1998-11-18 | 日本放送協会 | 成形ビームアンテナ |
JPH06291541A (ja) | 1993-03-30 | 1994-10-18 | Nippon Telegr & Teleph Corp <Ntt> | モジュラーアンテナ |
JP3131347B2 (ja) * | 1993-06-15 | 2001-01-31 | 三菱電機株式会社 | マルチビームアンテナ |
WO2000013261A1 (fr) | 1998-08-31 | 2000-03-09 | Mitsubishi Denki Kabushiki Kaisha | Dispositif de mesure et de reglage de la surface du miroir d'une antenne |
US10490903B2 (en) * | 2016-10-18 | 2019-11-26 | Huawei Technologies Co., Ltd. | Liquid-crystal reconfigurable metasurface reflector antenna |
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- 2019-08-08 WO PCT/JP2019/031500 patent/WO2020110375A1/ja active Application Filing
- 2019-08-08 US US17/279,094 patent/US11456540B2/en active Active
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0575336A (ja) * | 1991-09-10 | 1993-03-26 | Mitsubishi Electric Corp | アンテナ装置 |
JP2000201019A (ja) * | 1999-01-06 | 2000-07-18 | Mitsubishi Electric Corp | アンテナ測定・調整装置 |
JP2001196842A (ja) * | 2000-01-12 | 2001-07-19 | Mitsubishi Electric Corp | 反射鏡アンテナの鏡面精度測定装置およびこれを応用した鏡面制御システム |
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JP6910569B2 (ja) | 2021-07-28 |
US11456540B2 (en) | 2022-09-27 |
WO2020110375A1 (ja) | 2020-06-04 |
US20220052459A1 (en) | 2022-02-17 |
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