KR101084225B1 - 고이득을 위한 카세그레인 안테나 - Google Patents
고이득을 위한 카세그레인 안테나 Download PDFInfo
- Publication number
- KR101084225B1 KR101084225B1 KR1020080099342A KR20080099342A KR101084225B1 KR 101084225 B1 KR101084225 B1 KR 101084225B1 KR 1020080099342 A KR1020080099342 A KR 1020080099342A KR 20080099342 A KR20080099342 A KR 20080099342A KR 101084225 B1 KR101084225 B1 KR 101084225B1
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- reflective plate
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- 239000005018 casein Substances 0.000 claims description 24
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 claims description 24
- 235000021240 caseins Nutrition 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 11
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Classifications
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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
- H01Q19/06—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 refracting or diffracting devices, e.g. lens
- H01Q19/062—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 refracting or diffracting devices, e.g. lens for focusing
-
- 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
- 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
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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
- H01Q3/44—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 electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
- H01Q3/46—Active lenses or reflecting arrays
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- Aerials With Secondary Devices (AREA)
Abstract
Description
Claims (13)
- 전파를 방사하는 급전부;상기 급전부의 방사면에 대향하도록 상기 방사된 전파를 반사하는 부반사판;상기 부반사판에 대향하도록 서로 다른 깊이의 복수의 요철부들이 형성되어 상기 부반사판에서 반사된 전파를 다시 반사하는 주반사판을 포함하고,상기 주반사판의 요철부들의 볼록부들의 상단부가 동일 평면 상에 있도록 상기 볼록부가 형성되고,상기 주반사판의 요철부들의 오목부들의 상단에 상기 오목부들의 개구면을 상기 오목부들의 바닥면에 비해 좁히는 슬롯을 포함하는 것을 특징으로 하는 카세그레인 안테나.
- 제1항에 있어서,상기 주반사판의 요철부들의 오목부들의 적어도 일부의 하단부는 포물선, 파라볼릭, 프로레이트 스페로이드, 오블레이트 스페로이드 및 스페리컬 중 하나의 궤적을 따라 형성된 것을 특징으로 하는 카세그레인 안테나.
- 삭제
- 제1항에 있어서,상기 주반사판의 요철부들의 오목부들의 개구면이 사각형, 원형, 타원형 중 하나의 형태인 것을 특징으로 하는 카세그레인 안테나.
- 제1항에 있어서,상기 주반사판의 요철부들의 적어도 일부의 오목부와 상기 오목부에 인접한 오목부 사이의 간격이 상기 오목부의 폭에 비해 작은 것을 특징으로 하는 카세그레인 안테나.
- 삭제
- 제1항에 있어서,상기 주반사판의 요철부들의 오목부들의 깊이를 조정하여 상기 다시 반사되는 전파의 크기 및 위상 중 적어도 하나를 조절하는 것을 특징으로 하는 카세크레인 안테나.
- 제1항에 있어서,상기 주반사판의 요철부들의 오목부들의 바닥면은 금속 재질의 면이 상하이동 가능하도록 형성된 것을 특징으로 하는 카세크레인 안테나.
- 제1항에 있어서,상기 급전부는 상기 주반사판의 중심에 형성된 도파관에 연결된 것을 특징으로 하는 카세그레인 안테나.
- 제1항에 있어서,상기 급전부는 상기 주반사판과 상기 부반사판 사이의 영역 중에서 상기 부반사판에서 반사된 전파 및 상기 주반사판에서 다시 반사된 전파가 통과하는 영역으로부터 이격되어 위치하는 것을 특징으로 하는 카세그레인 안테나.
- 제1항에 있어서,상기 부반사판은 상기 방사된 전파를 반사하는 면이 포물선, 프로레이트 스페로이드, 오블레이트 스페로이드, 하이퍼볼릭 및 스페리컬 중 하나의 궤적을 갖는 곡면 형태인 것을 특징으로 하는 카세그레인 안테나.
- 제1항에 있어서,상기 부반사판은 서로 다른 높이의 복수의 요철부들이 형성되어 상기 방사된 전파를 상기 주반사판으로 반사하는 것을 특징으로 하는 카세그레인 안테나.
- 제12항에 있어서,상기 부반사판의 요철부들의 볼록부들은 포물선, 프로레이트 스페로이드, 오 블레이트 스페로이드, 하이퍼볼릭 및 스페리컬 중 하나의 궤적을 따라 형성된 것을 특징으로 하는 카세그레인 안테나.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080099342A KR101084225B1 (ko) | 2008-10-09 | 2008-10-09 | 고이득을 위한 카세그레인 안테나 |
PCT/KR2009/002485 WO2010041804A2 (en) | 2008-10-09 | 2009-05-12 | Cassegrain antenna for high gain |
US13/123,520 US20110241956A1 (en) | 2008-10-09 | 2009-05-12 | Cassegrain antenna for high gain |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080099342A KR101084225B1 (ko) | 2008-10-09 | 2008-10-09 | 고이득을 위한 카세그레인 안테나 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20100040216A KR20100040216A (ko) | 2010-04-19 |
KR101084225B1 true KR101084225B1 (ko) | 2011-11-17 |
Family
ID=42101044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020080099342A KR101084225B1 (ko) | 2008-10-09 | 2008-10-09 | 고이득을 위한 카세그레인 안테나 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20110241956A1 (ko) |
KR (1) | KR101084225B1 (ko) |
WO (1) | WO2010041804A2 (ko) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102124016B1 (ko) | 2014-05-27 | 2020-06-17 | 한국전자통신연구원 | 혼합 부반사판을 가지는 이중 반사판 안테나 |
EP3062392A1 (de) * | 2015-02-24 | 2016-08-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Reflektor mit einer elektronischen Schaltung und Antennenvorrichtung mit einem Reflektor |
US9831561B2 (en) | 2015-04-24 | 2017-11-28 | Electronics And Telecommunications Research Institute | Reflective antenna apparatus and design method thereof |
EP3327408B1 (de) * | 2016-11-25 | 2020-04-01 | VEGA Grieshaber KG | System zur analyse einer oberfläche eines füllgutes in einem behälter mit einer parabolantenne zur bereitstellung zweier unterschiedlicher richtcharakteristiken und verfahren zur füllstandmessung eines füllgutes in einem behälter |
GB201903351D0 (en) * | 2019-03-12 | 2019-04-24 | Ttp Plc | Phased array antenna |
CN113140897B (zh) * | 2020-01-17 | 2022-09-23 | 华为技术有限公司 | 天线、天线模组及无线网络设备 |
KR102418508B1 (ko) * | 2021-03-03 | 2022-07-07 | 엘아이지넥스원 주식회사 | 안테나 개구면 공유 시스템 |
WO2023170845A1 (ja) * | 2022-03-10 | 2023-09-14 | 三菱電機株式会社 | 反射鏡アンテナ装置 |
KR102666553B1 (ko) * | 2022-05-02 | 2024-05-16 | 한국과학기술원 | 고이득 ka 밴드용 이중 오프셋 리플렉트어레이 안테나 |
CN117855856B (zh) * | 2023-12-20 | 2025-02-11 | 合肥若森智能科技有限公司 | 一种非色散卡塞格伦天线 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007036823A (ja) | 2005-07-28 | 2007-02-08 | Mitsubishi Electric Corp | レーダ用アンテナおよび車載レーダ装置 |
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---|---|---|---|---|
US4513293A (en) * | 1981-11-12 | 1985-04-23 | Communications Design Group, Inc. | Frequency selective antenna |
US6281852B1 (en) * | 1995-03-27 | 2001-08-28 | Sal Amarillas | Integrated antenna for satellite and terrestrial broadcast reception |
US5959590A (en) * | 1996-08-08 | 1999-09-28 | Endgate Corporation | Low sidelobe reflector antenna system employing a corrugated subreflector |
TW589763B (en) * | 2003-01-17 | 2004-06-01 | Tatung Co | Dual-layered microstrip reflective plane antenna structure |
-
2008
- 2008-10-09 KR KR1020080099342A patent/KR101084225B1/ko active IP Right Grant
-
2009
- 2009-05-12 WO PCT/KR2009/002485 patent/WO2010041804A2/en active Application Filing
- 2009-05-12 US US13/123,520 patent/US20110241956A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007036823A (ja) | 2005-07-28 | 2007-02-08 | Mitsubishi Electric Corp | レーダ用アンテナおよび車載レーダ装置 |
Also Published As
Publication number | Publication date |
---|---|
WO2010041804A2 (en) | 2010-04-15 |
KR20100040216A (ko) | 2010-04-19 |
WO2010041804A3 (en) | 2012-12-27 |
US20110241956A1 (en) | 2011-10-06 |
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