JPS6326005A - Double grid reflection mirror antenna system - Google Patents
Double grid reflection mirror antenna systemInfo
- Publication number
- JPS6326005A JPS6326005A JP61169156A JP16915686A JPS6326005A JP S6326005 A JPS6326005 A JP S6326005A JP 61169156 A JP61169156 A JP 61169156A JP 16915686 A JP16915686 A JP 16915686A JP S6326005 A JPS6326005 A JP S6326005A
- Authority
- JP
- Japan
- Prior art keywords
- grid
- antenna device
- grid reflector
- polarized
- grid reflection
- 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
- 230000005855 radiation Effects 0.000 claims description 11
- 230000010287 polarization Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
Landscapes
- Aerials With Secondary Devices (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、直交二偏波共用アンテナとして用いられる
二重グリッド反射鏡アンテナ装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a double grid reflector antenna device used as an orthogonal dual polarization antenna.
第２図は、例えば会報（” Ｐｒｏｃｅｅｄｉｎｇ Ｊ
ＡＰ Ｓ 。Figure 2 shows, for example, a newsletter ("Proceeding J
APS.
ＡＰＳ−５−２、１９８５に開示された、従来の二重グ
リッド反射鏡アンテナ装置を示す断面概略図でおる。図
において、ｌａ、ｌｂはグリッド反射鏡、２ａ、２ｂは
一次放射器でちる。なお、各グリッド反射鏡１ａ、ｌｂ
は、電磁波の放射方向にと直交する面（開口面）への投
影がほぼ等しくなるように配置されている。1 is a schematic cross-sectional view showing a conventional double grid reflector antenna device disclosed in APS-5-2, 1985. In the figure, la and lb are grid reflectors, and 2a and 2b are primary radiators. In addition, each grid reflector 1a, lb
are arranged so that the projections onto a plane (aperture plane) perpendicular to the radiation direction of electromagnetic waves are almost equal.
次に、上記第２図に示す従来の二重グリッド反射鏡アン
テナ装置の動作について説明する。−次放射器２ ａ
（：！ Ｊ方向の偏波で励振される。グリッド反射鏡１
ａは、ｅ、方向の偏波で入射した電磁波を反射し、ｅ、
方向に直交するｅ２方向の偏波の電磁波を透過するよう
なｅ、方向１こ平行な金属グリッドで構成される。また
、−次放射器２ｂはｅ、方向の偏波で励振される。グリ
ッド反射鏡１ｂは、ｅ２方向の偏波で入射した電磁波を
反射し、ｅ、方向の偏波の電磁波を透過するようなｅ、
方向に平行な金属グリッドで構成される。−次放射器２
ａから出たｅ、方向の偏波の電磁波はグリッド反射鏡１
ａで反射され、放射方向ｋに放射される。また、−次放
射５２ｂから出たｅ、方向の偏波の電磁波はグリッド反
射鏡１ａを透過してグリッド反射鏡１ｂで反射され、再
びグリッド反射鏡１ａを透過して放射方向ｋに放射され
る。Next, the operation of the conventional double grid reflector antenna device shown in FIG. 2 will be described. -Next radiator 2 a
(:! Excited by polarized waves in the J direction. Grid reflector 1
a reflects the incident electromagnetic wave with polarization in direction e, e,
It is composed of a metal grid parallel to the direction e, which transmits electromagnetic waves polarized in the direction e2, which is perpendicular to the direction e. Further, the -order radiator 2b is excited with polarized waves in the direction e. The grid reflector 1b reflects incident electromagnetic waves polarized in the e2 direction and transmits electromagnetic waves polarized in the e direction.
Consists of a metal grid parallel to the direction. -Next radiator 2
The electromagnetic wave polarized in the direction e, emitted from a, is reflected by the grid reflector 1.
It is reflected at point a and radiated in the radiation direction k. Further, the electromagnetic wave polarized in the e direction emitted from the -th order radiation 52b is transmitted through the grid reflector 1a, reflected by the grid reflector 1b, transmitted through the grid reflector 1a again, and radiated in the radiation direction k. .
以上のよう１こ、この二重グリッド反射鏡アンテナ装置
Ｉこよれば、ｅ、方向の偏波用の一次放射器２ａとｅ、
方向の偏波用の一次放射器２ｂとを分離できるために、
給電系の構成が簡単になる利点があり、また、各グリッ
ド反射鏡１ａ、１ｂ（７）鏡面の非対称性による交差偏
波成分の発生を小さくできる。As described above, according to this double grid reflector antenna device I, the primary radiator 2a for polarization in the direction e, and the primary radiator 2a for polarization in the direction e,
Since it is possible to separate the primary radiator 2b for polarization in the direction,
This has the advantage of simplifying the configuration of the feed system, and also reduces the generation of cross-polarized components due to the asymmetry of the mirror surfaces of each grid reflector 1a, 1b (7).
上記のような従来の二重グリッド反射鏡アンテナ装置で
は、全体の開口面が最小となるように各グリッド反射鏡
１ａ、ｌｂは、その開口面への投影がほぼ等しくなるよ
うに構成されているので、各グリッド反射鏡１ａ、ｌｂ
の形状が異なり、Ｃのため、裏作する場合に２種類の成
形型を作成することが必要になり、また、各−次放射２
ａ、２ｂの中心軸の方向が異なるため、その設定が困難
であるなどの問題点があった。In the conventional double grid reflector antenna device as described above, each grid reflector 1a, lb is configured so that the projection onto the aperture is approximately equal so that the overall aperture is minimized. Therefore, each grid reflector 1a, lb
Since the shapes of the
Since the directions of the central axes of a and 2b are different, there are problems such as difficulty in setting them.
この発明は、かかる問題点を解決するためになされたも
ので、各グリッド反射鏡を製作するための成形型を１つ
にできると共に、各−次放射器の設定を容易にできる二
重グリッド反射鏡アンテナ装置を得ることを目的とする
。This invention was made in order to solve such problems, and it is possible to use a single mold for producing each grid reflector, and also to facilitate the setting of each order radiator. The purpose is to obtain a mirror antenna device.
この発明に係る二重グリッド反射鏡アンテナ装置は、各
グリッド反射鏡を１同一形状に形成し、かつその相対（
ｉ！％平行移動の関係にしたものである。In the double grid reflector antenna device according to the present invention, each grid reflector is formed into the same shape, and its relative (
i! This is a relationship of % parallel movement.
この発明の二重グリッド反射鏡アンテナ装置においては
、各グリッド反射鏡の形状を同じにできること１こ上り
、これ全裏作する場合の成形型が同一になり、また、各
−次放射器の中心軸の方向が同一方向１こなる。In the double grid reflector antenna device of the present invention, the shape of each grid reflector can be made the same, the mold for all production is the same, and the central axis of each order radiator can be made the same. The directions are the same once.
第１図はこの発明の一実施例である二重グリッド反射鏡
アンテナ装置を示す断面概略図である。FIG. 1 is a schematic cross-sectional view showing a double grid reflector antenna device which is an embodiment of the present invention.
図１こおいて、ｌａ、ｌｂはグリッド反射鏡、２ａ。In FIG. 1, la and lb are grid reflectors and 2a.
２ｂは一次放射器である。なお、各グリッド反射鏡１ａ
、ｌｂは、同一の鏡面形状をなし、かつその相対位置が
平行移動の関係にある。2b is a primary radiator. In addition, each grid reflector 1a
, lb have the same mirror surface shape, and their relative positions are in a relationship of parallel movement.
次１こ、上記第１図に示すこの発明の一実施例である二
重グリッド反射鏡アンテナ装置の動作１こついて説明す
る。−次放射器２ａから出たｅ１方回の偏波の電磁波（
まグリッド反射鏡１ａで反射され、放射方向ｋに放射さ
れる。また、−次放射器２ｂから出たｅ、方向の偏波の
１磁彼はグリッド反射諺１ａを透過してグリッド反射ｆ
ｉｌｂで反射され、再びグリッド反射鏡１ａを透過して
放射方向ｋに放射される。Next, the operation of the double grid reflector antenna device, which is an embodiment of the present invention shown in FIG. 1, will be explained. -Electromagnetic waves of e1 polarization emitted from the next radiator 2a (
The light is reflected by the grid reflector 1a and radiated in the radiation direction k. In addition, the polarized wave in the direction e, emitted from the -order radiator 2b, passes through the grid reflection 1a and is reflected by the grid f.
It is reflected by ilb, passes through the grid reflector 1a again, and is radiated in the radiation direction k.
ここで、各グリッド反射ｉＱ １ ａ 、 １ ｂの平
行移動の方向については、例えば対称面を有すＳ各グリ
ッド反射鏡１ａ、１ｂであれば、この対称面内で平行移
動すれば２つのグリッド反射鏡１’ａ、１ｂが互いに重
なり合うことがなく、また、二重グリッド反射鏡アンテ
ナ装置を対称に構成することが可能である。また、各−
次放射器２ａ、２ｂの中心軸に沿う光線と直交する面内
で平行移動すれば、各−次放射器２ａ、２ｂの開口面が
同一平面上となり、各−次放射器２ａ、２ｂの中心軸の
方向が等しくなるので、ｅ１方向の偏波用の一次放射器
２ａとｅ、方向の偏波用の一次放射器２ｂとを桑通の構
造物で固定することが容易であり、その設定も容易にな
る。Here, regarding the direction of parallel movement of each grid reflection iQ 1 a, 1 b, for example, if each S grid reflection mirror 1a, 1b has a plane of symmetry, two grids will move in parallel within this plane of symmetry. The reflectors 1'a and 1b do not overlap each other, and it is possible to configure the double grid reflector antenna device symmetrically. Also, each -
If the secondary radiators 2a, 2b are moved in parallel in a plane orthogonal to the ray along the central axis, the aperture surfaces of each secondary radiator 2a, 2b will be on the same plane, and the center of each secondary radiator 2a, 2b will be Since the directions of the axes are the same, it is easy to fix the primary radiator 2a for polarized waves in the e1 direction and the primary radiator 2b for polarized waves in the e direction with the Kuwadori structure, and the setting It also becomes easier.
なお、上記実施例では、各８．．ｅ、方向の偏波ｉζ用
いる一次放射系がそれぞれ１本のホーンの場合について
説明したが、それぞれの偏波に用いる一次放射系が複数
のホーン（偏波によってホーンアレイの配列が異なって
も良い）であっても良く、上記実施例と同様の効果を奏
する。この時、各ホーンの中心軸の方向が同じであれば
、ホーンアレイを１つの構造物で保持することが容易で
あり、その設定も容易になる。In addition, in the above embodiment, each 8. ．． We have explained the case where the primary radiation system used for each polarization iζ is one horn. ), and the same effect as in the above embodiment can be achieved. At this time, if the direction of the center axis of each horn is the same, it is easy to hold the horn array with one structure, and its setting is also facilitated.
この発明は以上説明したとおり、二重グリッド反射鏡ア
ンテナ装置において、各グリッド反射鏡を同一形状に形
成し、かつその相対位置を平行移動の関係にしたので、
各グリッド反射鏡を製作するための成形型を１つにでき
ると共に、装置を安価に構成でき、また、各−次放射器
の設定を容易にできるという優れた効果を奏するもので
ある。As explained above, in this invention, in a double grid reflector antenna device, each grid reflector is formed in the same shape and their relative positions are in a parallel movement relationship.
This has the advantage of being able to use only one mold for manufacturing each grid reflector, making the device inexpensive to configure, and making it easy to set up each order radiator.
第１図はこの発明の一実施例である二重グリッド反射鏡
アンテナ装置を示す断面概略図、第２図は従来の二重グ
リッド反射鏡アンテナ装置を示す断面概略図である。
図において、ｌａ、ｌｂ・・・グリッド反射鏡、２ａ、
２ｂ・・・−次放射器である。
なお、各図中、同一符号は同一、又は相補部分を示す。FIG. 1 is a schematic cross-sectional view showing a double grid reflector antenna device according to an embodiment of the present invention, and FIG. 2 is a schematic cross-sectional view showing a conventional double grid reflector antenna device. In the figure, la, lb...grid reflector, 2a,
2b...--order radiator. In each figure, the same reference numerals indicate the same or complementary parts.
Claims (4)
のｅ＿１方向の偏波の電磁波を反射し、ｅ＿１方向と直
交するｅ＿２方向の偏波の電磁波を透過するグリッド反
射鏡とで構成されたグリッド反射鏡アンテナ装置と、ｅ
＿２方向の偏波で励振された一次放射系と、このｅ＿２
方向の偏波の電磁波を反射し、前記ｅ＿１方向の偏波の
電磁波を透過するグリッド反射鏡とで構成されたグリッ
ド反射鏡アンテナ装置とを組み合わせた二重グリッド反
射鏡アンテナ装置において、前記各グリッド反射鏡が同
一形状であり、かつその相対位置が平行移動の関係にあ
ることを特徴とする二重グリッド反射鏡アンテナ装置。(1) Consists of a primary radiation system excited by polarized waves in the e_1 direction, and a grid reflector that reflects electromagnetic waves polarized in the e_1 direction and transmits electromagnetic waves polarized in the e_2 direction, which is perpendicular to the e_1 direction. grid reflector antenna device, e
A primary radiation system excited by polarized waves in two directions and this e_2
and a grid reflector antenna device configured with a grid reflector that reflects electromagnetic waves polarized in the e_1 direction and transmits electromagnetic waves polarized in the e_1 direction. A double grid reflector antenna device characterized in that the reflectors have the same shape and their relative positions are in a parallel movement relationship.
り、かつその平行移動の方向が、前記対称面内にあるこ
とを特徴とする特許請求の範囲第１項記載の二重グリッ
ド反射鏡アンテナ装置。(2) The double grid reflector according to claim 1, wherein each of the grid reflectors has a structure having a plane of symmetry, and the direction of parallel movement thereof is within the plane of symmetry. antenna device.
軸に沿う光線と直交する面内にあることを特徴とする特
許請求の範囲第１項又は第２項記載の二重グリッド反射
鏡アンテナ装置。(3) The double grid reflection according to claim 1 or 2, characterized in that the direction of the parallel movement is within a plane orthogonal to a ray along the central axis of each of the primary radiation systems. Mirror antenna device.
する複数のホーンを用いたことを特徴とする特許請求の
範囲第３項記載の二重グリッド反射鏡アンテナ装置。(4) The double grid reflector antenna device according to claim 3, wherein a plurality of horns having central axes in the same direction are used as each of the primary radiation systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61169156A JPS6326005A (en) | 1986-07-18 | 1986-07-18 | Double grid reflection mirror antenna system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61169156A JPS6326005A (en) | 1986-07-18 | 1986-07-18 | Double grid reflection mirror antenna system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6326005A true JPS6326005A (en) | 1988-02-03 |
| JPH0577202B2 JPH0577202B2 (en) | 1993-10-26 |
Family
ID=15881323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61169156A Granted JPS6326005A (en) | 1986-07-18 | 1986-07-18 | Double grid reflection mirror antenna system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6326005A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05152834A (en) * | 1991-11-29 | 1993-06-18 | Nec Corp | Mirror surface correction antenna |
| US5673056A (en) * | 1992-09-21 | 1997-09-30 | Hughes Electronics | Identical surface shaped reflectors in semi-tandem arrangement |
| JP2010213160A (en) * | 2009-03-12 | 2010-09-24 | Mitsubishi Electric Corp | Antenna device |
-
1986
- 1986-07-18 JP JP61169156A patent/JPS6326005A/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05152834A (en) * | 1991-11-29 | 1993-06-18 | Nec Corp | Mirror surface correction antenna |
| US5673056A (en) * | 1992-09-21 | 1997-09-30 | Hughes Electronics | Identical surface shaped reflectors in semi-tandem arrangement |
| JP2010213160A (en) * | 2009-03-12 | 2010-09-24 | Mitsubishi Electric Corp | Antenna device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0577202B2 (en) | 1993-10-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |