JP2007288283A - スロットアンテナ - Google Patents
スロットアンテナ Download PDFInfo
- Publication number
- JP2007288283A JP2007288283A JP2006110265A JP2006110265A JP2007288283A JP 2007288283 A JP2007288283 A JP 2007288283A JP 2006110265 A JP2006110265 A JP 2006110265A JP 2006110265 A JP2006110265 A JP 2006110265A JP 2007288283 A JP2007288283 A JP 2007288283A
- Authority
- JP
- Japan
- Prior art keywords
- waveguide
- impedance
- distribution
- slot antenna
- slot
- 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.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
- H01Q21/0037—Particular feeding systems linear waveguide fed arrays
- H01Q21/0043—Slotted waveguides
- H01Q21/005—Slotted waveguides arrays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/02—Coupling devices of the waveguide type with invariable factor of coupling
- H01P5/022—Transitions between lines of the same kind and shape, but with different dimensions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
- H01P5/19—Conjugate devices, i.e. devices having at least one port decoupled from one other port of the junction type
-
- 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
- H01Q13/10—Resonant slot antennas
-
- 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
- H01Q21/061—Two dimensional planar arrays
- H01Q21/064—Two dimensional planar arrays using horn or slot aerials
Landscapes
- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
【解決手段】スロットアンテナ100は、入力導波管10を有する。入力導波管10は、開口面より給電される。入力導波管10の内部には、階段状の構造物が設けられる。構造物により、スロットが設けられた面に向けて近づきながら、昇階段が形成される。昇階段の段差と長さは、昇階段の面におけるインピーダンスと、開口面におけるインピーダンスとを整合するように調節される。
【選択図】図3
Description
中島将光、マイクロ波工学、森北出版、p.115−116
Rtr=√(Rb/Rc)
の関係となる。このとき、長さLは、λg/4となる。なお、λgは、導波管管内波長である。これらの寸法は、厳密には、計算機シミュレーション、実測により、最適値を求めることとなり、理論とは多少異なる場合もある。
Claims (3)
- 広壁面に配列されたスロットから電波を放射する放射導波管と、
前記広壁面の対向面に接続側が接続され、接続側とは別の開口側から電波が入射される入力導波管とを備え、
前記入力導波管では、開口側から接続側に向けて、導波路の高さが階段状に狭くなっており、階段の段差は、開口側におけるインピーダンスと、接続側におけるインピーダンスとを整合するように調節されることを特徴とするスロットアンテナ。 - 前記階段は複数の段より形成されており、前記複数の段のそれぞれの開口側から接続側へ向けての長さは、開口側におけるインピーダンスと、接続側におけるインピーダンスとを整合するように調節されることを特徴とする請求項1に記載のスロットアンテナ。
- 前記放射導波管と前記入力導波管の間に重ねられながら、前記入力導波管に入射された電波を前記放射導波管に分配する分配導波管をさらに備え、
前記入力導波管の内部における階段の段差は、前記分配導波管の高さによって形成されることを特徴とする請求項1または2に記載のスロットアンテナ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006110265A JP4869766B2 (ja) | 2006-04-12 | 2006-04-12 | スロットアンテナ |
PCT/JP2007/000172 WO2007122782A1 (ja) | 2006-04-12 | 2007-03-06 | スロットアンテナ |
US12/296,763 US20090121952A1 (en) | 2006-04-12 | 2007-03-06 | Slot Antenna |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006110265A JP4869766B2 (ja) | 2006-04-12 | 2006-04-12 | スロットアンテナ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007288283A true JP2007288283A (ja) | 2007-11-01 |
JP4869766B2 JP4869766B2 (ja) | 2012-02-08 |
Family
ID=38624704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006110265A Active JP4869766B2 (ja) | 2006-04-12 | 2006-04-12 | スロットアンテナ |
Country Status (3)
Country | Link |
---|---|
US (1) | US20090121952A1 (ja) |
JP (1) | JP4869766B2 (ja) |
WO (1) | WO2007122782A1 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5616103B2 (ja) | 2010-04-09 | 2014-10-29 | 古野電気株式会社 | アンテナ装置およびレーダ装置 |
JP5486382B2 (ja) * | 2010-04-09 | 2014-05-07 | 古野電気株式会社 | 2次元スロットアレイアンテナ、給電用導波管、及びレーダ装置 |
FI122887B (fi) * | 2010-09-20 | 2012-08-31 | Aalto Korkeakoulusaeaetioe | Menetelmä ja laite yksittäisten mikroaaltofotonien ilmaisemiseksi metallisessa aaltojohteessa |
US9653819B1 (en) | 2014-08-04 | 2017-05-16 | Waymo Llc | Waveguide antenna fabrication |
US9711870B2 (en) | 2014-08-06 | 2017-07-18 | Waymo Llc | Folded radiation slots for short wall waveguide radiation |
US9766605B1 (en) | 2014-08-07 | 2017-09-19 | Waymo Llc | Methods and systems for synthesis of a waveguide array antenna |
US9612317B2 (en) | 2014-08-17 | 2017-04-04 | Google Inc. | Beam forming network for feeding short wall slotted waveguide arrays |
US9876282B1 (en) | 2015-04-02 | 2018-01-23 | Waymo Llc | Integrated lens for power and phase setting of DOEWG antenna arrays |
US10381317B2 (en) * | 2016-02-12 | 2019-08-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Transition arrangement comprising a contactless transition or connection between an SIW and a waveguide or an antenna |
US10082570B1 (en) * | 2016-02-26 | 2018-09-25 | Waymo Llc | Integrated MIMO and SAR radar antenna architecture for self driving cars |
WO2018171903A1 (en) * | 2017-03-24 | 2018-09-27 | Huawei Technologies Co., Ltd. | Waveguide junction for a feeding structure |
CN109860971A (zh) * | 2019-03-18 | 2019-06-07 | 贵州航天电子科技有限公司 | 一种Ka频段平面魔T |
CN112072256A (zh) * | 2020-09-23 | 2020-12-11 | 河北东森电子科技有限公司 | 一种基于波导耦合缝隙的功率合成网络 |
US11855346B2 (en) * | 2021-03-19 | 2023-12-26 | Veoneer Us, Llc | Parallel plate slot array antenna with defined beam squint |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0774537A (ja) * | 1993-07-07 | 1995-03-17 | Toppan Printing Co Ltd | 偏波共用給電装置 |
JP2005159768A (ja) * | 2003-11-26 | 2005-06-16 | Kyocera Corp | 導波管構造体の分岐構造およびアンテナ基板 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0404905A1 (en) * | 1988-12-20 | 1991-01-02 | Hughes Aircraft Company | Improved feed waveguide for an array antenna |
US5359339A (en) * | 1993-07-16 | 1994-10-25 | Martin Marietta Corporation | Broadband short-horn antenna |
US5422463A (en) * | 1993-11-30 | 1995-06-06 | Xerox Corporation | Dummy load for a microwave dryer |
US6304228B1 (en) * | 2000-10-06 | 2001-10-16 | Space Systems/Loral, Inc. | Stepped waveguide slot array with phase control and satellite communication system employing same |
JP4203404B2 (ja) * | 2003-11-26 | 2009-01-07 | 京セラ株式会社 | 導波管構造体の分岐構造およびアンテナ基板 |
-
2006
- 2006-04-12 JP JP2006110265A patent/JP4869766B2/ja active Active
-
2007
- 2007-03-06 US US12/296,763 patent/US20090121952A1/en not_active Abandoned
- 2007-03-06 WO PCT/JP2007/000172 patent/WO2007122782A1/ja active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0774537A (ja) * | 1993-07-07 | 1995-03-17 | Toppan Printing Co Ltd | 偏波共用給電装置 |
JP2005159768A (ja) * | 2003-11-26 | 2005-06-16 | Kyocera Corp | 導波管構造体の分岐構造およびアンテナ基板 |
Also Published As
Publication number | Publication date |
---|---|
WO2007122782A1 (ja) | 2007-11-01 |
US20090121952A1 (en) | 2009-05-14 |
JP4869766B2 (ja) | 2012-02-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4869766B2 (ja) | スロットアンテナ | |
US7167139B2 (en) | Hexagonal array structure of dielectric rod to shape flat-topped element pattern | |
US7183991B2 (en) | Multiple flared antenna horn with enhanced aperture efficiency | |
US9413073B2 (en) | Augmented E-plane taper techniques in variable inclination continuous transverse (VICTS) antennas | |
JP4527760B2 (ja) | アンテナ装置 | |
JP4612559B2 (ja) | 導波管スロットアレーアンテナ | |
US8421698B2 (en) | Leaky wave antenna using waves propagating between parallel surfaces | |
US20170005407A1 (en) | Quasi-optical beamformer with lens and plane antenna comprising such a beamformer | |
US20170018850A1 (en) | Horn antenna apparatus | |
CN111293439B (zh) | 一种毫米波低副瓣波导缝隙阵列天线 | |
US20220209423A1 (en) | Apparatus radiating and receiving microwaves with physically preset radiation pattern, and radar apparatus comprising such an apparatus | |
CN217589435U (zh) | 整合天线装置 | |
CN103066392B (zh) | 一种毫米波段的多模波纹喇叭 | |
Bankov et al. | Design and experimental investigation of a multibeam integrated reflector antenna of the millimeter wave band | |
JP6613156B2 (ja) | 導波管/伝送線路変換器及びアンテナ装置 | |
JP6611238B2 (ja) | 導波管/伝送線路変換器、アレーアンテナ及び平面アンテナ | |
JP2008113314A (ja) | スロットアンテナ装置 | |
CN110190380B (zh) | 一种基于环形销钉阵列的射频平面螺旋轨道角动量天线 | |
US10741917B2 (en) | Power division in antenna systems for millimeter wave applications | |
RU2449435C1 (ru) | Плоская решетка антенн дифракционного излучения и делитель мощности, используемый в ней | |
JP6721352B2 (ja) | 導波管/伝送線路変換器及びアンテナ装置 | |
RU2694124C1 (ru) | Печатная антенна миллиметровых волн | |
TWI832328B (zh) | 整合天線裝置 | |
RU201664U1 (ru) | Узконаправленная волноводная антенна | |
JP2010278752A (ja) | 導波管チョーク構造 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20090409 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20110823 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20111018 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20111115 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20111116 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4869766 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20141125 Year of fee payment: 3 |