KR20010095156A - 사이드로브를 저감하여 수신효율을 높인 1차 방사기 - Google Patents
사이드로브를 저감하여 수신효율을 높인 1차 방사기 Download PDFInfo
- Publication number
- KR20010095156A KR20010095156A KR1020010016860A KR20010016860A KR20010095156A KR 20010095156 A KR20010095156 A KR 20010095156A KR 1020010016860 A KR1020010016860 A KR 1020010016860A KR 20010016860 A KR20010016860 A KR 20010016860A KR 20010095156 A KR20010095156 A KR 20010095156A
- Authority
- KR
- South Korea
- Prior art keywords
- waveguide
- opening
- primary radiator
- annular wall
- dielectric feeder
- Prior art date
Links
- 230000005855 radiation Effects 0.000 abstract description 9
- 239000000523 sample Substances 0.000 description 21
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000001902 propagating effect Effects 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003989 dielectric material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004512 die casting Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/16—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion
- H01P1/162—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion absorbing spurious or unwanted modes of propagation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/24—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave constituted by a dielectric or ferromagnetic rod or pipe
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/02—Waveguide horns
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/06—Waveguide mouths
- H01Q13/065—Waveguide mouths provided with a flange or a choke
-
- 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
- H01Q19/08—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 modifying the radiation pattern of a radiating horn in which it is located
Landscapes
- Waveguide Aerials (AREA)
Abstract
Description
Claims (10)
- 한쪽 끝에 개구부를 가지는 도파관과, 이 도파관의 내부에 유지되어 상기 개구부로부터 방사부를 돌출시킨 유전체 피더를 구비하고, 상기 도파관의 상기 개구부의 바깥쪽으로 한쪽 끝을 개방한 바닥이 있는 형상의 고리형상 벽을 설치하고, 이 고리형상 벽의 깊이를 전파의 약 1/4 파장으로 설정한 것을 특징으로 하는 1차 방사기.
- 제 1항에 있어서,상기 고리형상 벽의 바닥면의 폭을 전파의 약 1/6 내지 1/10 파장으로 설정한 것을 특징으로 하는 1차 방사기.
- 제 1항에 있어서,상기 고리형상 벽을 복수개 설치한 것을 특징으로 하는 1차 방사기.
- 제 2항에 있어서,상기 고리형상 벽을 복수개 설치한 것을 특징으로 하는 1차 방사기.
- 한쪽 끝에 개구부를 가지는 도파관과, 이 도파관의 내부에 유지되어 상기 개구부로부터 방사부를 돌출시킨 유전체 피더를 구비하고, 상기 도파관의 상기 개구부의 내벽면과 상기 유전체 피더의 외표면과의 사이에 전파의 약 1/4 파장의 깊이를 가지는 간극을 설치한 것을 특징으로 하는 1차 방사기.
- 제 5항에 있어서,상기 간극의 폭을 상기 개구부 구경의 약 1/6 내지 1/10로 설정한 것을 특징으로 하는 1차 방사기.
- 제 5항에 있어서,상기 간극을 상기 개구부의 내벽면 전 주위에 설치한 것을 특징으로 하는 1차 방사기.
- 제 6항에 있어서,상기 간극을 상기 개구부의 내벽면의 전 주위에 걸쳐 설치한 것을 특징으로 하는 1차 방사기.
- 제 5항에 있어서,상기 유전체 피더의 외표면에 복수의 오목부를 형성하고, 이들 오목부에 의해 상기 간극을 구성한 것을 특징으로 하는 1차 방사기.
- 제 6항에 있어서,상기 유전체 피더의 외표면에 복수의 오목부를 형성하고, 이들 오목부에 의해 상기 간극을 구성한 것을 특징으로 하는 1차 방사기.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000099254A JP2001284950A (ja) | 2000-03-31 | 2000-03-31 | 一次放射器 |
JP2000-099254 | 2000-03-31 | ||
JP2000099261A JP3781943B2 (ja) | 2000-03-31 | 2000-03-31 | 一次放射器 |
JP2000-099261 | 2000-03-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20010095156A true KR20010095156A (ko) | 2001-11-03 |
Family
ID=26589231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020010016860A KR20010095156A (ko) | 2000-03-31 | 2001-03-30 | 사이드로브를 저감하여 수신효율을 높인 1차 방사기 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6580400B2 (ko) |
EP (1) | EP1139489A1 (ko) |
KR (1) | KR20010095156A (ko) |
CN (1) | CN1315786A (ko) |
MX (1) | MXPA01003384A (ko) |
TW (1) | TW501307B (ko) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6788200B1 (en) * | 2002-10-21 | 2004-09-07 | Mitchell W Jamel | Footwear with GPS |
GB2401995B (en) * | 2003-05-20 | 2006-08-16 | E2V Tech Uk Ltd | Radar duplexing arrangement |
JP3867713B2 (ja) | 2003-06-05 | 2007-01-10 | 住友電気工業株式会社 | 電波レンズアンテナ装置 |
EP1821365A4 (en) * | 2004-12-13 | 2007-11-21 | Mitsubishi Electric Corp | ANTENNA DEVICE |
US7474206B2 (en) * | 2006-02-06 | 2009-01-06 | Global Trek Xploration Corp. | Footwear with embedded tracking device and method of manufacture |
US20070241887A1 (en) * | 2006-04-11 | 2007-10-18 | Bertagna Patrick E | Buoyant tracking device and method of manufacture |
US7852277B2 (en) * | 2007-08-03 | 2010-12-14 | Lockheed Martin Corporation | Circularly polarized horn antenna |
US8077030B2 (en) * | 2008-08-08 | 2011-12-13 | Global Trek Xploration Corp. | Tracking system with separated tracking device |
WO2014073445A1 (ja) * | 2012-11-06 | 2014-05-15 | シャープ株式会社 | 一次放射器 |
EP2863475B1 (en) * | 2013-10-21 | 2020-03-25 | Veoneer Sweden AB | Radar wave guiding arrangement |
WO2019225412A1 (ja) * | 2018-05-21 | 2019-11-28 | パナソニックIpマネジメント株式会社 | マイクロ波処理装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3434146A (en) * | 1966-08-03 | 1969-03-18 | Us Army | Low profile open-ended waveguide antenna with dielectric disc lens |
US4447811A (en) | 1981-10-26 | 1984-05-08 | The United States Of America As Represented By The Secretary Of The Navy | Dielectric loaded horn antennas having improved radiation characteristics |
US4658258A (en) * | 1983-11-21 | 1987-04-14 | Rca Corporation | Taperd horn antenna with annular choke channel |
US5552797A (en) * | 1994-12-02 | 1996-09-03 | Avnet, Inc. | Die-castable corrugated horns providing elliptical beams |
US5652599A (en) | 1995-09-11 | 1997-07-29 | Qualcomm Incorporated | Dual-band antenna system |
GB2314688A (en) * | 1996-06-26 | 1998-01-07 | Marconi Gec Ltd | Hollow waveguide antenna |
US6137449A (en) | 1996-09-26 | 2000-10-24 | Kildal; Per-Simon | Reflector antenna with a self-supported feed |
JP3321589B2 (ja) | 1996-12-03 | 2002-09-03 | 株式会社日立国際電気 | 衛星受信用アンテナの一次放射器及び衛星受信用コンバータ |
US5841404A (en) * | 1997-02-04 | 1998-11-24 | Yen; Kerl | Electromagnetic wave transmitting and transferring device with high polarization isolation performance |
JPH10256822A (ja) | 1997-03-10 | 1998-09-25 | Sharp Corp | 2周波共用一次放射器 |
AU3784499A (en) | 1998-05-05 | 1999-11-23 | Vari-L Company, Inc. | Passive switched oscillator output circuit |
FR2793073B1 (fr) | 1999-04-30 | 2003-04-11 | France Telecom | Antenne a reflecteur continu pour reception multiple de faisceaux de satellite |
JP2001053537A (ja) * | 1999-08-13 | 2001-02-23 | Alps Electric Co Ltd | 一次放射器 |
-
2001
- 2001-01-31 EP EP01300827A patent/EP1139489A1/en not_active Withdrawn
- 2001-03-09 TW TW090105618A patent/TW501307B/zh not_active IP Right Cessation
- 2001-03-19 CN CN01103879A patent/CN1315786A/zh active Pending
- 2001-03-29 US US09/821,372 patent/US6580400B2/en not_active Expired - Fee Related
- 2001-03-30 MX MXPA01003384A patent/MXPA01003384A/es unknown
- 2001-03-30 KR KR1020010016860A patent/KR20010095156A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US20010026242A1 (en) | 2001-10-04 |
MXPA01003384A (es) | 2002-10-23 |
EP1139489A1 (en) | 2001-10-04 |
US6580400B2 (en) | 2003-06-17 |
TW501307B (en) | 2002-09-01 |
CN1315786A (zh) | 2001-10-03 |
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