JPS5892104A - Antenna device - Google Patents
Antenna deviceInfo
- Publication number
- JPS5892104A JPS5892104A JP19017481A JP19017481A JPS5892104A JP S5892104 A JPS5892104 A JP S5892104A JP 19017481 A JP19017481 A JP 19017481A JP 19017481 A JP19017481 A JP 19017481A JP S5892104 A JPS5892104 A JP S5892104A
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- waves
- mirror surface
- orthogonal
- polarization
- 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.)
- Pending
Links
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
- H01Q19/191—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 wherein the primary active element uses one or more deflecting surfaces, e.g. beam waveguide feeds
Landscapes
- Aerials With Secondary Devices (AREA)
Abstract
Description
【発明の詳細な説明】 この発明は複数の周波数帯を共用し、かつ。[Detailed description of the invention] This invention shares multiple frequency bands, and.
それぞれの周波数帯において直交する２つの偏波をも共
用するアンテナ装置に関するものである。The present invention relates to an antenna device that also shares two orthogonal polarized waves in respective frequency bands.
従来、複数の周波数を共用するアンテナ装置として周波
数選択Ｗ！而によって周波数帯を分波する構成のものが
あった。２つの周波数帯を分波する場合の構成例を第１
図に示す。図において（１１は主反射鏡、（２）は副反
射鏡、 １３１／ｆｉ集束ビーム反射境、 （４）ｔｊ
一方の周波数帯ｆｘ’を反射し、他方の一波数帝ｆｚｔ
−通過する周波数選択−面、（５ｍ）、 （５ｂ）Ｆｉ
それぞれ９周波数ｆｌ、ｆｇＶＣ対応した一次放射滲で
ある。しかし、ここで用いられる周波数選択鏡面（４）
Ｋは０通常、４５′近傍の角度で斜めから電波が入射し
、この場合１周波数選択鏡面（４）は一般には偏波特性
を４つ。従って。Conventionally, frequency selection W! has been used as an antenna device that shares multiple frequencies. There was a configuration that split the frequency band depending on the structure. The first example of the configuration when demultiplexing two frequency bands is
As shown in the figure. In the figure (11 is the main reflector, (2) is the sub-reflector, 131/fi focused beam reflection boundary, (4) tj
One frequency band fx' is reflected and the other frequency band fzt
- Frequency selection to pass - Surface, (5m), (5b) Fi
These are primary radiation bleeds corresponding to 9 frequencies fl and fgVC, respectively. However, the frequency selective mirror surface (4) used here
K is 0 Usually, radio waves are incident obliquely at an angle of around 45', and in this case, the 1 frequency selective mirror surface (4) generally has four polarization characteristics. Therefore.
このアンテナで直交二個波を共用することが難しい欠点
があった。This antenna had the disadvantage that it was difficult to share two orthogonal waves.
この発８Ａ、ｒｉ、上記の欠点を除去するために。This development 8A, ri, in order to eliminate the above drawbacks.
周波数選択硯面（４）で周波数分波する前に、偏波選択
鏡面によって偏波分波しておき、その後。Before frequency demultiplexing with the frequency selective inkstone surface (4), polarization demultiplexing is performed with the polarization selective mirror surface, and then.
各偏波に応じた周波紋選択ｍ面（４）？用いて周波数分
波することにより、多周波数帯共用、直変二偏波共用ア
ンテナ管実現しようとするものであり、以下１周波数帯
が２つの場合について。Frequency ripple selection m-plane (4) according to each polarization? The aim is to realize an antenna tube that can share multiple frequency bands and can use direct variable dual polarization by frequency demultiplexing.The following describes the case where one frequency band is two.
図面によって説明する。This will be explained using drawings.
第２向け、この発明による一実施例であり。The second example is an embodiment of the present invention.
＋１＋ Ｉｄ主反射−９（２Ｉは副反射碗、（３：は集
束ビーム反射説、（４）は周波数選択鏡面、 ＋５１Ｆ
ｉ−次放射器。+1+ Id main reflection -9 (2I is a sub-reflection bowl, (3: is a focused beam reflection theory, (4) is a frequency selective mirror surface, +51F
i-order radiator.
（６１け偏波選択腕間である。主反射鏡１１１に入射し
。(It is between 61 polarization selection arms. It is incident on the main reflecting mirror 111.
副反射１！！ ＋２１によって反射された２周波数帯、
直交二偏波管有する電波は、まず、偏波遺択−面１６；
により、ｖｌの方向の偏波成分の電波は反射され、■、
に一直交するｖｌの偏波成分の電波は透過する。Secondary reflex 1! ! 2 frequency bands reflected by +21,
Radio waves with two orthogonal polarization tubes are first polarized in plane 16;
As a result, radio waves with polarized components in the direction of vl are reflected, and ■,
A radio wave with a polarization component of vl that is orthogonal to , is transmitted.
その後、それぞれの電波は、 （３ａ）、 （３・）
の集束ビーム反射−で反射後、ｌｉ！ｆｌ波数選択鏡面
（４ｍ）、 （４ｂ）で、２つの周波数帯’１ｓ’２に
分波される。ここで１周波数選択説面（４ｍ）、 （４
ｂ）はそれぞれｖｌ、ｖｌの偏波に対して所望の特性を
有するものである。After that, each radio wave is (3a), (3・)
Focused beam reflection - After reflection at li! It is split into two frequency bands '1s'2 by the fl wavenumber selection mirror surface (4m) and (4b). Here, 1 frequency selection theory surface (4m), (4
b) has desired characteristics for polarized waves vl and vl, respectively.
以上のようにして、２偏波、２周波数帯の電波をそれぞ
れ分波することができる。In the manner described above, radio waves of two polarized waves and two frequency bands can be separated.
＠３図も、この発明による一実幅例であるが。Figure @3 is also an example of one width according to this invention.
このような構成にすることによって９図に示したようＫ
ＡｚｉｌｌａＥｔＩｌＩＩを設けることができ、この軸
まわりにアンテナ装置動すればよいので、ビームの方向
管変えるのが容易になる。With this configuration, K as shown in Figure 9
AzillaEtIlII can be provided and the antenna device can be moved around this axis, making it easy to change the direction of the beam.
以上のように、この発明によれば、各偏波別に周波数選
択鏡面を用いるので１周波数選択説面の偏波特性が問題
とならない利点がある。As described above, according to the present invention, since a frequency selective mirror surface is used for each polarized wave, there is an advantage that the polarization characteristics of one frequency selective mirror surface do not matter.
なお１以上は、２つの周波数帯を共用するアンテナにつ
いて説明したが、この発明はこれに限らず、ｍ個の周波
数帯を共用するｉ合に＃ｉｘつの偏波に対して（ｎ−１
）枚の周波数選択−面を用いれば、同様の効果があるこ
とは言う１でもない。In the above, the antenna that shares two frequency bands has been described, but the present invention is not limited to this, and the present invention is not limited to this.
) frequency selection planes would have the same effect.
第１図は従来のこのアンテナ装置の概略構成図、＄２図
、＠３図はこの発明による実施例の概略構成図である。
図中、（１１は主反射鏡、（２１は副反射挑、（３１は
集束ビーム反射Ｍ、 （４１は周波数選択反射鏡、（５
１は一次放射器、（６１は偏波選択娩面である。
なお図中、同一あるいは相当部分には、同−符号全村し
て示しである。
代理人 葛 野 信 −
第１図
ｆｆ１２図
ｄＬFIG. 1 is a schematic configuration diagram of this conventional antenna device, and Figures 2 and 3 are schematic configuration diagrams of embodiments according to the present invention. In the figure, (11 is the main reflector, (21 is the sub-reflector, (31 is the focused beam reflector M, (41 is the frequency selective reflector, (5 is
1 is the primary radiator, (61 is the polarization selective delivery surface. In the figure, the same or equivalent parts are indicated by the same reference numeral. Agent Shin Kuzuno - Figure 1 ff 12 dL
Claims (1)
アンテナ装置において、アンテナを受（ｇに用いたとき
、主反射鏡に入射し、それによって反射された電波を偏
波選択鏡面で二つの直交する偏波成分に分涙し、その埃
それぞれの偏波の電波？周波数選択鏡面により各周波数
帯に分波するように構成したことを特徴とするアンテナ
装置ｌ。[Claims] Two or more multiple frequency bands are shared, and. Two linearly polarized waves orthogonal in each frequency band? In the antenna device to be used, when the antenna is used as a receiver (g), the radio waves that are incident on the main reflector and reflected are separated into two orthogonal polarization components by a polarization selective mirror surface, and the polarization of each of the dust is separated. An antenna device characterized in that it is configured to split radio waves into each frequency band using a frequency selective mirror surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19017481A JPS5892104A (en) | 1981-11-27 | 1981-11-27 | Antenna device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19017481A JPS5892104A (en) | 1981-11-27 | 1981-11-27 | Antenna device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5892104A true JPS5892104A (en) | 1983-06-01 |
Family
ID=16253665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19017481A Pending JPS5892104A (en) | 1981-11-27 | 1981-11-27 | Antenna device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5892104A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2148389A1 (en) * | 2008-07-25 | 2010-01-27 | Astrium Limited | Apparatus for an antenna system |
| US8462067B2 (en) | 2008-10-08 | 2013-06-11 | Astrium Limited | Apparatus for an antenna system |
-
1981
- 1981-11-27 JP JP19017481A patent/JPS5892104A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2148389A1 (en) * | 2008-07-25 | 2010-01-27 | Astrium Limited | Apparatus for an antenna system |
| WO2010010200A1 (en) * | 2008-07-25 | 2010-01-28 | Astrium Limited | Apparatus for an antenna system |
| JP2011529284A (en) * | 2008-07-25 | 2011-12-01 | アストリウム・リミテッド | Equipment for antenna systems |
| US8462067B2 (en) | 2008-10-08 | 2013-06-11 | Astrium Limited | Apparatus for an antenna system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3662393A (en) | Multimode horn antenna | |
| JPS5892104A (en) | Antenna device | |
| JPS6014501A (en) | Polarization coupler | |
| US3911440A (en) | Antenna feed system | |
| JP3038768B2 (en) | Thin antenna | |
| Chu et al. | An experimental broadband imaging feed | |
| JPS6019303A (en) | Antenna | |
| JPS5892106A (en) | Multibeam antenna | |
| JPS61154205A (en) | Antenna system | |
| JPS59117303A (en) | Polarizer | |
| JPS6340487B2 (en) | ||
| GB700868A (en) | Improvements in or relating to high frequency radio aerials | |
| JPH086273Y2 (en) | Quasi-optical interferometer | |
| JPS625531B2 (en) | ||
| JP2002223117A (en) | Antenna feeding system | |
| JPS603209A (en) | Antenna in common use for multi-frequency band | |
| JPS5939104A (en) | Shaped beam antenna | |
| JPS59194510A (en) | Beam symmetrical primary radiator | |
| JPS5927483B2 (en) | antenna | |
| JPS63131603A (en) | Antenna system | |
| JPS6129569B2 (en) | ||
| JPS5830210A (en) | Multi-frequency band common antenna | |
| JPH0690111A (en) | Linearly polarized wave antenna system | |
| JPS58103201A (en) | Polarizing device | |
| JPS5860804A (en) | Reflector antenna |