JPS58200605A - Reflecting mirror antenna - Google Patents
Reflecting mirror antennaInfo
- Publication number
- JPS58200605A JPS58200605A JP8385782A JP8385782A JPS58200605A JP S58200605 A JPS58200605 A JP S58200605A JP 8385782 A JP8385782 A JP 8385782A JP 8385782 A JP8385782 A JP 8385782A JP S58200605 A JPS58200605 A JP S58200605A
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- reflecting mirror
- reflector
- aperture
- side terminals
- 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
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/007—Antennas or antenna systems providing at least two radiating patterns using two or more primary active elements in the focal region of a focusing device
- H01Q25/008—Antennas or antenna systems providing at least two radiating patterns using two or more primary active elements in the focal region of a focusing device lens fed multibeam arrays
Landscapes
- Aerials With Secondary Devices (AREA)
Abstract
Description
【発明の詳細な説明】
この発明は複数個の素子アンテナから成るアレーアンテ
ナを1次放射器とし0反射鏡を介して電波を放射する通
信用の反射鏡アンテナに関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a reflector antenna for communications that uses an array antenna consisting of a plurality of element antennas as a primary radiator and radiates radio waves via a zero reflector.
従来のとの稲反射鏡アンテナを簡単に説明する0
第1図は従来の反射鏡アンテナの斜視図である。(1)
は反射鏡、偉)は複数個の素子アンテナ(3a)、
(3b)・・・・・・、 (3n)からなるアレーア
ンテナ、(4はアンテナ側端子(5a) (5b)、
t−(5n)と給電側端子(lla) (8b)
、−、(am)を備えた平行平板、 (7a) (
7b) 、 −、(7n)は上記素子アンテナ(3a)
(3b) 、 −、(in)とアンテナ側端子(5
a) (5b) 、−・−1(!jn)を結ぶ出力導
波管であるO (8a) (8b) 、−、(Il
m)は給電側端子(lla) (sb) 、−・、(
am)に電力を導くための入力導波管である。平行平板
、伝送線路部はこのアンテナの給電回路である。Briefly explain the conventional rice reflector antenna 0 FIG. 1 is a perspective view of a conventional reflector antenna. (1)
is a reflector, I) is a plurality of element antennas (3a),
(3b)..., an array antenna consisting of (3n), (4 is the antenna side terminal (5a) (5b),
t- (5n) and power supply side terminal (lla) (8b)
, −, (am), (7a) (
7b), -, (7n) are the above element antennas (3a)
(3b) , -, (in) and antenna side terminal (5
a) O (8a) (8b) , -, (Il
m) is the power supply side terminal (lla) (sb), -・, (
am). The parallel plate and transmission line section is the feeding circuit for this antenna.
この反射鏡アンテナは以上のように構成されているため
に、給電側端子(lia) (llb) 、・・・。Since this reflector antenna is configured as described above, the feeding side terminals (lia) (llb), . . .
(6m)のうちの一つの給電側端子に入力導波管を介し
て電力を供給したとき、電力は平行平板(4)内に供給
される。平行平板(4)内の電力はアンテナ側端子(5
a) (5b) 、 ・・・、 (5n) テ取シ
出され、出力導波管(7a) (7b) 、−・−1
(7n)でその長さに応じた所定の位相変化を受1.素
子アンテナ(3a) (3b) 、 −、(3n)
に至る。素子アンテナ(38) (3b) I・、
(3n)から放射された電波は反射鏡(1)で反射さ
れ、空間に放射される。アレーアンテナ(2)の励振振
幅、励振位相は入力導波管(jla) (8b) l
−# (l1m)のどの人力導波管に電力を供給する
かによって決まり、アレーアンテナ(2)の励振位相に
応じて反射鏡(1)で反射される電波のビーム方向がき
まる。When power is supplied to one of the power supply terminals (6m) through the input waveguide, the power is supplied into the parallel plate (4). The power inside the parallel plate (4) is transferred to the antenna side terminal (5
a) (5b) , ..., (5n) The output waveguide (7a) (7b) , ---1
(7n) receives a predetermined phase change according to its length.1. Element antenna (3a) (3b) , -, (3n)
leading to. Element antenna (38) (3b) I.
The radio waves emitted from (3n) are reflected by the reflecting mirror (1) and radiated into space. The excitation amplitude and excitation phase of the array antenna (2) are the input waveguide (jla) (8b) l
-# (l1m) is determined by which manual waveguide (l1m) is supplied with power, and the beam direction of the radio wave reflected by the reflecting mirror (1) is determined according to the excitation phase of the array antenna (2).
第1図の従来の反射鏡アンテナでは平行平板(4)は反
射鏡(1)の開口の前面に位置し、したかっ1(1
て、上記反射鏡の開口を遮蔽する丸めに放射特Cv%男
はCの入点を柩9除くために、平行平板を反射鏡の下に
設置し1反射鏡の開口を遮蔽しないようにしたものであ
り、以下9図面により説明する。In the conventional reflector antenna shown in Fig. 1, the parallel plate (4) is located in front of the aperture of the reflector (1), and the radiation characteristic Cv% In order to remove the entry point of C from coffin 9, a parallel flat plate is installed under the reflecting mirror so that the aperture of the reflecting mirror 1 is not blocked. This will be explained below with reference to 9 drawings.
第2図はこの発明の一実施例を示す図である。FIG. 2 is a diagram showing an embodiment of the present invention.
(1) H(8a ) −(8b) * ・・・−(a
m) 社第1図のものと同じである。(1) H(8a) -(8b) *...-(a
m) Same as the one in Figure 1.
この実施例では平行平板(4)は反射鏡(1)の下にあ
り、かつ9反射鏡(1)の開口を遮蔽しない位置に設置
しである。したがって、入力導波管(8a)(s’b)
、・・・、 (8m)のいずれか−っの入力導波管
に電力を供給したとき、平行平板(4)内の電力はアン
テナ側端子(5a) (5b) t−、(4n) I
出力導波管(7a) (7b) @ ・、 (7n
)を介して素子アンテナ(3a) (ab) I−*
(3n)に至シ。In this embodiment, the parallel plate (4) is located below the reflecting mirror (1) and is placed in a position that does not block the opening of the nine reflecting mirrors (1). Therefore, the input waveguide (8a) (s'b)
, ..., (8m) When power is supplied to any one of the input waveguides, the power in the parallel plate (4) is transmitted to the antenna side terminals (5a) (5b) t-, (4n) I
Output waveguide (7a) (7b) @ ・, (7n
) through element antenna (3a) (ab) I-*
To (3n).
反射鏡(1)で反射されて空間に放射されるが、平行平
板(4)は反射鏡(1)の開口を遮蔽しないので。The light is reflected by the reflecting mirror (1) and radiated into space, but the parallel plate (4) does not block the aperture of the reflecting mirror (1).
平行平板(4)があることによる放射特性の劣化はない
。 −′(
#!3図はこの発明の他の実施例を示す図であるO (
1)I (3a) I (4)I (1a) I
(8a)はm1図のものと同じである。(9)はU字
形変換部であり素子アンテナ(3a)と出力導波管(1
a)の間に挿入されている、U字形変換部(9)の長さ
1を変化させる仁とkより、素子アンテナ(3a)を励
振する位相が変化することれ容品にわかる。各素子77
fす(3a) (3b) 、 −、(3n)に対応し
て長さ1が異なったU字形変換部を接続することにより
、所定の位相遅れが容易に実現できるO
第4図はこの発明のもう一つの実施例を示す図である。There is no deterioration in radiation characteristics due to the presence of the parallel plate (4). -'(#!3 Figure is a diagram showing another embodiment of this inventionO (
1) I (3a) I (4) I (1a) I
(8a) is the same as that in figure m1. (9) is a U-shaped conversion section, which includes an element antenna (3a) and an output waveguide (1
It can be clearly seen that the phase of excitation of the element antenna (3a) is changed by changing the length 1 of the U-shaped conversion part (9) inserted between a). Each element 77
A predetermined phase delay can be easily achieved by connecting U-shaped converters with different lengths 1 corresponding to fs(3a), (3b), -, and (3n). It is a figure which shows another Example of.
(4)、 (7a) (yb) t ・* (7
n) *(8a)、 (8b) 、+・、(8m)は第
1図のものと同じであるO (10a) t (Jo
b) f・l (10n)はビxyyクス反射鏡であ
シ、各ピルボックス反射鏡は出力導波管(7a) I
(7b) 、−・・、(1n)につながれており、この
反射鏡は多層構造をしている。ピルボックス反射鏡(t
ea)、 (10b)、−、(10!l) o励振祉出
力導波管(”)e (7b) I−e (7n)を介
して行なわれ、入力導波管(IIIL)l (Jll)
) e・・・・・・。(4), (7a) (yb) t ・* (7
n) *(8a), (8b), +・, (8m) are the same as those in Figure 1.O (10a) t (Jo
b) f・l (10n) is a bixyyx reflector, each pillbox reflector is an output waveguide (7a) I
(7b), -..., (1n), and this reflecting mirror has a multilayer structure. Pillbox reflector (t
ea), (10b), -, (10!l) o Excitation waveguide output waveguide ('')e (7b) I-e (7n), input waveguide (IIIL)l (Jll )
) e・・・・・・.
@”)のいずれか一つを励振することによジビルボック
ス反射錠(10a) 、 (10b) 、 −、(10
n)の励振位相が決°まシ、その励振位相に応じて電波
のビーム方向か決まる。By exciting any one of the dibil box reflective locks (10a), (10b), -, (10
The excitation phase of n) is determined, and the beam direction of the radio wave is determined according to the excitation phase.
なお、以−トは送信の場合について説明したが。Note that the explanation above has been regarding the case of transmission.
この発明は受信の場合に使用してもよい。また。The invention may be used in the case of reception. Also.
平行平板部への電力の供給、平行平板部からの電力の申
り出しKは導波管を用いたが、この発tJ)1は同軸線
路などの伝送線路を用いてもよい。Although a waveguide is used to supply power to the parallel plate portion and to provide power from the parallel plate portion, a transmission line such as a coaxial line may also be used for this output tJ)1.
、さらに、素子アンテナとしては導波管開口の場合であ
ったが、ダイポール°アンテナなどのすべてアンテナで
も構わない。Furthermore, although the element antenna used was a waveguide aperture, it may be entirely an antenna such as a dipole antenna.
以上のように、この発明によれば平行平板を反射鏡の開
口を遮蔽しないように反射鏡の下に設置することにより
、放射特性の劣化が’t < tまた。U字形変換部を
用いてその長さを変化さ亡ることにより、所定の位相遅
れを容易に莢現でき、この反射鏡アンテナを通(、を用
アンテナに用いることによりその効果は著しく太き(へ
。As described above, according to the present invention, by installing the parallel plate under the reflecting mirror so as not to block the aperture of the reflecting mirror, the deterioration of the radiation characteristics is reduced to 't < t. By changing the length using a U-shaped conversion part, a predetermined phase delay can be easily realized, and by using this reflector antenna as an antenna, the effect can be significantly increased. (fart.
第1図は従来の反射鏡アンテナの斜視図、第2図はこの
発明の一実施例を示す図、第3図はこの発明の他の実施
例を示す図、第4図はこの発明のもう一つの実施例を示
す図である。図中。
(1)は反射鏡、(2)はアレーアンテナ、 (3a
)、 (3→・・・、 (3n)は素子アンテナ、(
4)は平行平板。
(5a)、 (5b) l ・、 (5n)はアンテ
ナ側端子。
(6a)、 (6b) #−,(am)は給電側端子*
(1a)(7b) + ”’ * (”)は出力
導波管、 (Ila)、 (8b)・・・、 (8
m) a入力導波管、(9)はU字形変換部。
(lea) 、 (tab) 、・、 (10n)
はピルボックス反射鏡である。なお9図中、同一あるい
は相当部分には同一符号を付して示しである。
代理人 葛 野信 −
第1図
へ
筑2図
1i3図
!
第4WJFIG. 1 is a perspective view of a conventional reflector antenna, FIG. 2 is a diagram showing one embodiment of the present invention, FIG. 3 is a diagram showing another embodiment of the present invention, and FIG. 4 is a diagram showing another embodiment of the present invention. It is a figure showing one example. In the figure. (1) is a reflector, (2) is an array antenna, (3a
), (3→..., (3n) is the element antenna, (
4) is a parallel plate. (5a), (5b) l ・, (5n) are antenna side terminals. (6a), (6b) #-, (am) are power supply side terminals *
(1a) (7b) + "' * (") is the output waveguide, (Ila), (8b)..., (8
m) a input waveguide, (9) is a U-shaped conversion section. (lea) , (tab) ,・, (10n)
is a pillbox reflector. In FIG. 9, the same or corresponding parts are designated by the same reference numerals. Agent Nobu Kuzuno - Go to Figure 1, Chiku2 Figure 1i3! 4th WJ
Claims (1)
した1次放射器としてのアレーアンテナと、上記素子ア
ンテナに電力を供給する給電回路とから成り、上記給電
回路として複数個のアンテナ側端子と複数個の給電側端
子を備えた平行平板および上記アンテナ側端子と上記素
子アンテナとを結ぶ伝送線路を用いた反射鏡アンテナに
おいて、上記平行平板を上記反射鏡の開口を遮蔽しない
ように反射鏡の下に設置して構成したことを%徴とする
反射鏡アンテナ。 (2)上記伝送線路の途中にU字形変換部を挿入し、U
字形の伝送線路の長さを変えて所定の鏡アンテナ。[Claims] (!) Consisting of a reflecting mirror, an array antenna as a primary radiator configured by arranging a plurality of element antennas, and a feeder circuit that supplies power to the element antenna, the feeder In a reflector antenna using a parallel plate having a plurality of antenna-side terminals and a plurality of feed-side terminals as a circuit and a transmission line connecting the antenna-side terminal and the element antenna, the parallel plate is connected to the reflector. A reflector antenna characterized by being installed under a reflector so that the aperture is not blocked. (2) Insert a U-shaped conversion part in the middle of the above transmission line, and
A predetermined mirror antenna by changing the length of the letter-shaped transmission line.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8385782A JPS58200605A (en) | 1982-05-18 | 1982-05-18 | Reflecting mirror antenna |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8385782A JPS58200605A (en) | 1982-05-18 | 1982-05-18 | Reflecting mirror antenna |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS58200605A true JPS58200605A (en) | 1983-11-22 |
Family
ID=13814350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8385782A Pending JPS58200605A (en) | 1982-05-18 | 1982-05-18 | Reflecting mirror antenna |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58200605A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4970525A (en) * | 1989-05-30 | 1990-11-13 | Motorola, Inc. | Waveguide antenna with increased gain |
EP0929122A2 (en) * | 1998-01-08 | 1999-07-14 | E*Star, Inc. | Reflector based dielectric lens antenna system |
US8284102B2 (en) | 2007-01-19 | 2012-10-09 | Plasma Antennas Limited | Displaced feed parallel plate antenna |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3343171A (en) * | 1963-08-01 | 1967-09-19 | Georgia Tech Res Inst | Geodesic lens scanning antenna |
-
1982
- 1982-05-18 JP JP8385782A patent/JPS58200605A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3343171A (en) * | 1963-08-01 | 1967-09-19 | Georgia Tech Res Inst | Geodesic lens scanning antenna |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4970525A (en) * | 1989-05-30 | 1990-11-13 | Motorola, Inc. | Waveguide antenna with increased gain |
WO1990015453A1 (en) * | 1989-05-30 | 1990-12-13 | Motorola, Inc. | Waveguide antenna with increased gain |
EP0929122A2 (en) * | 1998-01-08 | 1999-07-14 | E*Star, Inc. | Reflector based dielectric lens antenna system |
EP0929122A3 (en) * | 1998-01-08 | 2000-08-09 | E*Star, Inc. | Reflector based dielectric lens antenna system |
US8284102B2 (en) | 2007-01-19 | 2012-10-09 | Plasma Antennas Limited | Displaced feed parallel plate antenna |
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