JP5877894B2 - アンテナ - Google Patents
アンテナ Download PDFInfo
- Publication number
- JP5877894B2 JP5877894B2 JP2014509147A JP2014509147A JP5877894B2 JP 5877894 B2 JP5877894 B2 JP 5877894B2 JP 2014509147 A JP2014509147 A JP 2014509147A JP 2014509147 A JP2014509147 A JP 2014509147A JP 5877894 B2 JP5877894 B2 JP 5877894B2
- Authority
- JP
- Japan
- Prior art keywords
- reflecting mirror
- antenna
- sub
- main
- rotation axis
- 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.)
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Links
- 230000010287 polarization Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000002542 deteriorative effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- 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
-
- 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
-
- 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
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Aerials With Secondary Devices (AREA)
Description
10 アンテナ
11 主反射鏡
12 副反射鏡
13 副反射鏡支持部
14 給電用導波管
Claims (4)
- 垂直偏波及び水平偏波で構成される電波が伝わる給電用導波管と、
前記給電用導波管の開口部と向かい合うように配置され、当該開口部から照射された電波を反射する副反射鏡と、
前記副反射鏡と向かい合うように配置され、前記副反射鏡が反射した電波を外部へ放射する主反射鏡と、
を備え、
前記主反射鏡の表面は、所定の放物線の一側及び他側を少なくとも一度ずつ通る線を回転軸の周りに回転させた形状であり、
前記副反射鏡の表面は、段状の線を回転軸の周りに回転させた形状であることを特徴とするアンテナ。 - 請求項1に記載のアンテナであって、
前記主反射鏡の表面は、所定の放物線と少なくとも2回以上交差する線を回転軸の周りに回転させた形状であることを特徴とするアンテナ。 - 請求項1又は2に記載のアンテナであって、
前記主反射鏡の表面は、傾きが離散的ではなく連続的に変化する線を回転軸の周りに回転させた形状であることを特徴とするアンテナ。 - 請求項1から3までの何れか一項に記載のアンテナであって、
気象状況を観測するために用いられることを特徴とするアンテナ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014509147A JP5877894B2 (ja) | 2012-04-02 | 2013-04-01 | アンテナ |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012084035 | 2012-04-02 | ||
JP2012084035 | 2012-04-02 | ||
JP2014509147A JP5877894B2 (ja) | 2012-04-02 | 2013-04-01 | アンテナ |
PCT/JP2013/059845 WO2013150996A1 (ja) | 2012-04-02 | 2013-04-01 | アンテナ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2013150996A1 JPWO2013150996A1 (ja) | 2015-12-17 |
JP5877894B2 true JP5877894B2 (ja) | 2016-03-08 |
Family
ID=49300479
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014509147A Active JP5877894B2 (ja) | 2012-04-02 | 2013-04-01 | アンテナ |
Country Status (5)
Country | Link |
---|---|
US (1) | US9472856B2 (ja) |
EP (1) | EP2835868B1 (ja) |
JP (1) | JP5877894B2 (ja) |
CN (1) | CN104205498B (ja) |
WO (1) | WO2013150996A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013123089A1 (en) * | 2012-02-17 | 2013-08-22 | Cohen Nathaniel L | Apparatus for using microwave energy for insect and pest control and methods thereof |
JP6216241B2 (ja) * | 2013-12-10 | 2017-10-18 | 日本放送協会 | アンテナ装置 |
CN103730735B (zh) * | 2014-01-06 | 2016-03-02 | 中国工程物理研究院应用电子学研究所 | 一种具有近场均匀波束的毫米波双反射面天线 |
CN105048094B (zh) * | 2015-08-19 | 2018-02-09 | 浙江胜百信息科技有限公司 | 一种宽频一体化mimo天线 |
WO2018191383A1 (en) * | 2017-04-11 | 2018-10-18 | Carpe Diem Technologies, Inc. | System and method of manufacturing a cylindrical nanoimprint lithography master |
CN108281795B (zh) * | 2017-12-05 | 2020-10-30 | 安徽四创电子股份有限公司 | 一种频率选择表面型曲面介质及卡塞格伦天线系统 |
CN108321529A (zh) * | 2018-01-23 | 2018-07-24 | 摩比天线技术(深圳)有限公司 | 溅散板馈源及微波天线 |
GB2609362B (en) | 2018-05-17 | 2023-05-03 | Swisscom Ag | A telecommunications system |
JP7255678B2 (ja) * | 2019-06-20 | 2023-04-11 | 日本電気株式会社 | アンテナ装置及びその設計方法 |
US11909096B2 (en) * | 2020-11-25 | 2024-02-20 | Antenna Research Associates, Inc. | Mechanically adjustable antenna positioning system |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1218351A (en) | 1967-01-31 | 1971-01-06 | Emi Ltd | Improvements in or relating to aerial systems |
JPH0628818Y2 (ja) | 1987-09-24 | 1994-08-03 | 日本電気株式会社 | パラボラアンテナ |
US5392155A (en) * | 1988-06-17 | 1995-02-21 | Tamari; Vladimir F. | De-diffraction methods |
JPH0248804A (ja) | 1988-08-10 | 1990-02-19 | Nec Corp | カセグレンアンテナ |
JPH0399924A (ja) | 1989-09-14 | 1991-04-25 | Mazda Motor Corp | 車両のサスペンション装置 |
JP3322897B2 (ja) | 1991-11-29 | 2002-09-09 | 株式会社東芝 | 鏡面修整アンテナ |
JPH05275920A (ja) * | 1992-03-27 | 1993-10-22 | Toshiba Corp | 鏡面修正アンテナ |
CN2156591Y (zh) | 1992-11-07 | 1994-02-16 | 中国科学院长春物理研究所 | 平板状微波天线反射器 |
CN1026741C (zh) | 1992-11-11 | 1994-11-23 | 黄河机电股份有限公司 | 球面多颗卫星电视接收天线 |
JPH0888512A (ja) | 1994-09-20 | 1996-04-02 | Fujitsu General Ltd | 導電膜パラボラアンテナ |
JPH09199924A (ja) * | 1996-01-22 | 1997-07-31 | Japan Radio Co Ltd | アンテナの回転機構 |
US5959590A (en) * | 1996-08-08 | 1999-09-28 | Endgate Corporation | Low sidelobe reflector antenna system employing a corrugated subreflector |
JP3172123B2 (ja) | 1997-06-30 | 2001-06-04 | 本田技研工業株式会社 | アンテナ装置 |
JP3655191B2 (ja) | 2000-12-27 | 2005-06-02 | 株式会社東芝 | 鏡面修整アンテナ |
JP4468300B2 (ja) | 2003-08-13 | 2010-05-26 | 三菱電機株式会社 | 反射鏡アンテナ装置 |
FR2956777B1 (fr) | 2010-02-19 | 2013-08-02 | Centre Nat Etd Spatiales | Antenne a reflecteurs |
JP2011239281A (ja) | 2010-05-12 | 2011-11-24 | Japan Radio Co Ltd | 複反射鏡アンテナ |
CN102244320A (zh) | 2010-05-12 | 2011-11-16 | 摩比天线技术(深圳)有限公司 | 一种馈源装置及微波天线 |
CN101976766B (zh) * | 2010-09-07 | 2014-06-11 | 京信通信系统(中国)有限公司 | 超高性能微波天线及其馈源组件 |
-
2013
- 2013-04-01 WO PCT/JP2013/059845 patent/WO2013150996A1/ja active Application Filing
- 2013-04-01 JP JP2014509147A patent/JP5877894B2/ja active Active
- 2013-04-01 US US14/390,371 patent/US9472856B2/en active Active
- 2013-04-01 EP EP13772993.5A patent/EP2835868B1/en active Active
- 2013-04-01 CN CN201380017495.2A patent/CN104205498B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
EP2835868B1 (en) | 2016-09-14 |
CN104205498A (zh) | 2014-12-10 |
EP2835868A4 (en) | 2015-10-07 |
EP2835868A1 (en) | 2015-02-11 |
JPWO2013150996A1 (ja) | 2015-12-17 |
US9472856B2 (en) | 2016-10-18 |
US20150061956A1 (en) | 2015-03-05 |
WO2013150996A1 (ja) | 2013-10-10 |
CN104205498B (zh) | 2018-07-17 |
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