JPS59101905A - Antenna device - Google Patents
Antenna deviceInfo
- Publication number
- JPS59101905A JPS59101905A JP21311482A JP21311482A JPS59101905A JP S59101905 A JPS59101905 A JP S59101905A JP 21311482 A JP21311482 A JP 21311482A JP 21311482 A JP21311482 A JP 21311482A JP S59101905 A JPS59101905 A JP S59101905A
- Authority
- JP
- Japan
- Prior art keywords
- power divider
- phase
- signal
- signals
- power
- 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
- 230000010363 phase shift Effects 0.000 claims abstract description 6
- 230000010287 polarization Effects 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 241000270666 Testudines Species 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
- H01Q21/245—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction provided with means for varying the polarisation
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Description
【発明の詳細な説明】
この発明は、円偏波と直線偏波との切換機能を備えたア
ンテナ装置において、2個の可変移相器と1個の電力分
配器との組合せによシ、任意の偏波面を持つ電波を、無
損失で発生することが出来るアンテナ装装置に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION The present invention provides an antenna device having a switching function between circularly polarized waves and linearly polarized waves, which uses a combination of two variable phase shifters and one power divider. The present invention relates to an antenna installation device that can generate radio waves with arbitrary polarization planes without loss.
従来この種の装置として第1図に示すものがあった。図
において、(1)は信号発生器、(2)はこの信号発生
器(1)から送られて来た信号を同位相同振幅の2つの
信号に分けるための電力分配器、(8a)、(8b)は
上記電力分配器(2)によシ2等分配された信号の位相
をそれぞれ任意の値に変えるための可変移相器、(4)
は上記可変移相器(3)によシ任意の位相値に設定され
た上記2つの信号を自由空間へ放射するための十字形ク
ロス・ダイポール・アンテナである。A conventional device of this type is shown in FIG. In the figure, (1) is a signal generator, (2) is a power divider for dividing the signal sent from the signal generator (1) into two signals with the same phase and amplitude, (8a), ( 8b) is a variable phase shifter for changing the phase of the signals equally divided into two by the power divider (2) to arbitrary values; (4)
is a cruciform cross dipole antenna for radiating into free space the two signals set to arbitrary phase values by the variable phase shifter (3).
次に動作について説明する。信号発生器(1)から送ら
れて来た信号は、電力分配器(2)により同位相同振幅
の2つの信号に分割された後、可変移相器(3)におい
てそれぞれ任意の位箱値に設定され、十字形クロス・ダ
イポール・アンテナ(4)へ導かれる。Next, the operation will be explained. The signal sent from the signal generator (1) is divided into two signals with the same phase and amplitude by the power divider (2), and then divided into two signals with the same phase and amplitude by the variable phase shifter (3). set up and guided to a cruciform cross dipole antenna (4).
今、信号発生器(1)から送られて来た信号を丸。Now, circle the signal sent from the signal generator (1).
十字形クロス・ダイポール・アンテナ(4)への上記2
つの入力信号をそれぞれへ及び自□とすると次式が成立
する。Above 2 to cruciform cross dipole antenna (4)
When the two input signals are respectively given as □ and □, the following equation holds true.
ここで、 1i>81及び/丸はそれぞれ信号もの振幅及び位相 φDは電力分配器(2)の透過位オ目 θ亀及びθ2は可変移相器(3)の移相量である。here, 1i>81 and / circles are the amplitude and phase of the signal, respectively. φD is the transmission position of the power divider (2) θ and θ2 are the amount of phase shift of the variable phase shifter (3).
十字形クロス・ダイポール・アンテナ(4)が第2図に
示すように設定されているとき、上記可変移相器(3)
の移相量θ1及びθ2と上記十字形クロス・ダイポール
・アンテナ(4)への入力信号に1及びも並びに上記十
字形クロス・ダイポール・アンテナ(4)によ多自由空
間において形成される電波の偏波面と電力の関係は、表
1に示すようになる。When the cruciform cross dipole antenna (4) is set as shown in Figure 2, the variable phase shifter (3)
The phase shifts θ1 and θ2 and the input signal to the cruciform cross dipole antenna (4) are 1 and 1, and the radio waves formed in the free space by the cruciform cross dipole antenna (4) are The relationship between the plane of polarization and power is shown in Table 1.
表1
(注1)表1において、「−」部は、無給電の状態を示
す。Table 1 (Note 1) In Table 1, the "-" part indicates the non-power supply state.
(注2)表1において、F−?■NJとは、信号発生器
(1)から送られて来る電力を、1−POU’l”Jと
は、十字形クロス・ダイポール・アンテナ(4)から自
由空間へ放射される電力をそれぞれ示す、ただし、信号
発生器(1)から、十字形クロス・ダイポール会アンテ
ナ(4)に至る線路損失は無いものとする。(Note 2) In Table 1, F-? ■NJ indicates the power sent from the signal generator (1), and 1-POU'l"J indicates the power radiated into free space from the cruciform cross dipole antenna (4). However, it is assumed that there is no line loss from the signal generator (1) to the cruciform cross dipole antenna (4).
従来のアンテナ装置は以上のように構成されているので
、表1に示したように、右上945度直線偏波又は右下
945度直線偏波を発生させる場合には、前記2つの信
号のうち、一方の信号を何らかの方法により除去する必
要があシ、したがって、信号発生器(1)から送られて
来た電力の2分の1の損失が生じる等の欠点があった。Since the conventional antenna device is configured as described above, as shown in Table 1, when generating a 945 degree linearly polarized wave at the upper right or a 945 degree linearly polarized wave at the lower right, one of the two signals is However, it is necessary to remove one of the signals by some method, which has the disadvantage of causing a loss of one-half of the power sent from the signal generator (1).
この発明は上記のような従来のものの欠点を除去するた
めになされたもので、2個の可変移相器と1個の電力分
配器とを組合せることにより水平偏波、垂直偏波、右旋
偏波、左旋偏波、右上945度直線偏波及び右下り45
度直線偏波のうち、任意の偏波面を持つ電波をしかも無
損失で発生させることが出来るアンテナ装置を得ること
を目的としている。This invention was made to eliminate the drawbacks of the conventional ones as described above, and by combining two variable phase shifters and one power divider, horizontal polarization, vertical polarization, right Circular polarization, left-handed polarization, upper right 945 degrees linear polarization, and right downward 45 degrees
The object of the present invention is to obtain an antenna device capable of generating radio waves having an arbitrary plane of polarization among linearly polarized waves without loss.
以下、この発明の一実施例を図について説明する。第8
図において、(1)は信号発生器、(2)はこの信号発
生器(1)から送られて来た信号を同位相同振幅の2つ
の信号に分けるための電力分配器、(8a)は上記電力
分配器(2)により2等分配された信号のうち、一方の
信号の位相を以下に記す電力分配器(5ンに入力する。An embodiment of the present invention will be described below with reference to the drawings. 8th
In the figure, (1) is a signal generator, (2) is a power divider for dividing the signal sent from this signal generator (1) into two signals with the same phase and same amplitude, and (8a) is the above-mentioned power divider. Of the signals equally divided into two by the power divider (2), the phase of one signal is input to the power divider (5) described below.
以前において任意に変えるための可変移相器、(8b)
は上記電力分配器(2)により2等分配された信号か、
以下に記す電力分配器(5)を通過した後、新たに形成
される2つの信号のうち、一方の信号の位相を任意に変
えるための可変移相器、(4)は以下に記す電力分配器
(51によシ新たに形成される2′)の信号のうち、上
記可変移相器(8b)によシ任意の位相に設定された信
号と他方の信号を自由空間へ放射するための十字形クロ
ス・ダイポール・アンテナ、(5)は上記電力分配器(
2)によシ、2等分配された信号のうち、上記可変移相
器(8a)により任意の位相に設定された信号と他方の
信号それぞれを同振幅で相対位相が90度異なる2つの
信号に分配すると共に、その出力端においては、上記2
対の同振幅で相対位相が90度異なる4つの信号から新
たな2つの信号を形成するための電力分配器である。Variable phase shifter for changing arbitrarily in the previous (8b)
is a signal equally divided into two by the power divider (2), or
After passing through the power divider (5) described below, a variable phase shifter is used to arbitrarily change the phase of one of the two newly formed signals, and (4) is the power distribution described below. Among the signals of the phase shifter (2' newly formed by 51), the signal set to an arbitrary phase by the variable phase shifter (8b) and the other signal are used to radiate into free space. Cruciform cross dipole antenna, (5) is the above power divider (
2) Among the two equally distributed signals, the signal set to an arbitrary phase by the variable phase shifter (8a) and the other signal are two signals with the same amplitude and a relative phase difference of 90 degrees. At the same time, at the output end, the above 2
This is a power divider for forming two new signals from a pair of four signals with the same amplitude and a relative phase difference of 90 degrees.
上記のように構成されたアンテナ装置において、信号発
生器(1)から送られて来た信号は、電力分配器(2)
によシ同位相同振幅の2つの信号に分割される。In the antenna device configured as above, the signal sent from the signal generator (1) is sent to the power divider (2).
The signal is divided into two signals with the same phase and amplitude.
次に、上記2つの信号のうち、一方の信号は、可変移相
器(8a)を通過した後、電力分配器(5)によシさら
に新たな2つの信号に分割され、一方は直接に他方は可
変移相器(8b)を経由した後、それぞれ十字形クロス
・ダイポール・アンテナへ入力される。又、上記電力分
配・器(2)によシ同位相同振幅の2つの信号に分割さ
れた他方の信号は、直接上記電力分配器(5〕に入力さ
れ、この電力分配器(5)によシさらに新たな2つの信
号に分割された後、その一方は直接に他方は可変移相器
(8b)を経由した後、ソれぞれ十字形クロス・ダイポ
ール・アンテナ(4)へ入力される。Next, one of the two signals is further divided into two new signals by the power divider (5) after passing through the variable phase shifter (8a), and one of the signals is directly divided into two new signals. The other signal passes through a variable phase shifter (8b) and is then input to a cruciform cross dipole antenna. The other signal, which is divided into two signals having the same phase and amplitude by the power divider (2), is directly input to the power divider (5), and is divided by the power divider (5). After being further divided into two new signals, one of which passes directly and the other passes through a variable phase shifter (8b), and then is input to a cruciform cross dipole antenna (4). .
今、信号発生器(1)から送られて来た信号を亀。Now, the turtle receives the signal sent from the signal generator (1).
十字形クロス・ダイポール・アンテナへの入力信号を止
1及び丸とすると次式が成立する。If the input signal to the cruciform cross dipole antenna is a stop 1 and a circle, the following equation holds true.
止;=1止’、l e J”!”:
自:=1食:、eJIJ1″2
十字形クロス・ダイポール・アンテナ(4)が第2図に
示すように設定されているとき、可変移相器(3)の移
相量θ1及びθ2と上記十字形クロス・ダイポール・ア
ンテナ(4)への入力信号化;及び止;並びに上記十字
形クロス・ダイポール・アンテナ(4)によシ自由空間
において形成される電波の偏波面と電力の関係は、表2
に示すようになる。Stop; = 1 stop', l e J"!": From: = 1 meal:, eJIJ1"2 When the cruciform cross dipole antenna (4) is set as shown in Figure 2, the variable displacement The phase shifts θ1 and θ2 of the phase shifter (3) are converted into input signals to the above-mentioned cross-shaped cross dipole antenna (4); The relationship between the polarization plane and power of the radio waves formed in is shown in Table 2.
It becomes as shown in .
表2
表2に示すように、本アンテナ装置においては、水平、
垂直、右旋、左旋右下945度直線及び右下945度直
線の全ての偏波をしかも無損失で発生させることが出来
る。Table 2 As shown in Table 2, in this antenna device, horizontal,
It is possible to generate all polarized waves of vertical, right-handed, left-handed, lower right 945 degrees straight line, and lower right 945 degrees straight line without loss.
なお、上記実施例の説明においては、直線偏波と円偏波
についてのみ記したが、本アンテナ装置においては任意
の楕円偏波も同様に発生するととが出来る。又、上記実
施例の説明では、送信の場合について記したが、受信の
場合においても同様の効果を奏する。又、上記実施例の
説明においては、信号の放射手段として、十字形クロス
・ダイポール・アンテナを用いたが、角錐ポーン等直線
偏波を発生出来る他の全てのアンテナを使用してもよい
。In addition, in the description of the above embodiment, only linearly polarized waves and circularly polarized waves were described, but in this antenna device, arbitrary elliptically polarized waves can be generated as well. Furthermore, although the above embodiments have been described in the case of transmission, the same effect can be achieved in the case of reception. Further, in the description of the above embodiment, a cruciform cross-dipole antenna was used as the signal radiating means, but any other antenna capable of generating a linearly polarized wave such as a pyramidal pawn may be used.
さらに・上記実施例の説明においては、1素子のアンテ
ナから成るアンテナ装置について説明したが、これを多
数並べたアレイ・アンテナとした場合のアンテナ装置に
も同様の効果が得られる。Furthermore, in the description of the above embodiments, an antenna device consisting of a single element antenna has been described, but similar effects can be obtained in an antenna device using an array antenna in which a large number of antenna elements are arranged.
以上のように、この発明によれば2個の可変移相器と1
個の電力分配器により、任意の偏波面を持つ電波をしか
も無損失で発生出来るアンテナ装置を得ることが出来る
。As described above, according to the present invention, two variable phase shifters and one
By using these power dividers, it is possible to obtain an antenna device that can generate radio waves having an arbitrary polarization plane without loss.
第1図は従来のアンテナ装置の−・例を示す構成図、第
2図は十字形クロス・ダイポール・アンテナの配置要領
図、第8図はこの発明の一実施例を示す構成図である。
図において、(1)は信号発生器、(2)は電力分配器
(3)は可変移相器、(4)は十字形クロス・ダイボー
トアンテナ、(5)はこの発明において新たに追加てれ
た電力分配器である。なお、図中、同一符号し同一、又
は相当部分を示す。
代理人 葛野侶−
4・ や、い
し
第2図
第3図
特許庁長官殿
1、事件の表示 特願昭57−218114号2
、発明の名称 アンテナ装置
3、補正をする者
6、補正の対象
(υ明細書の特許請求の範囲1発明の詳細な説明の欄(
2)図面
7、補正の内容
(す明細書の特許請求の範囲を別紙の通りに訂正する。
(2)明細書をっぎのとおり訂正する。
(3)図面の第1図を別紙のとおり訂正する。
8.添付書類の目録
(1)訂正後の特許請求の範囲を示す書面 1通(2)
図面(第1図) 1通以上
特許請求の範囲
入力信号を同振幅で2分配する一つの入力端子と二つの
出力端子を有する第1の電力分配器と、二つの入力端子
と二つの出力端子を倣え各入力端子からの信号を90°
位相の異なる二つの同振幅の信号に分配する第2の電力
分配器と、前記第1の電力分配器の二つの出力端子と第
2の電力分配器の二つの入力端子の間に設けられ第2の
電力分配器の二つの入力端子に印加される信号の相対位
相窓の円偏波と直線偏波に切替え得るアンテナ装置。FIG. 1 is a block diagram showing an example of a conventional antenna device, FIG. 2 is a layout diagram of a cruciform cross dipole antenna, and FIG. 8 is a block diagram showing an embodiment of the present invention. In the figure, (1) is a signal generator, (2) is a power divider, (3) is a variable phase shifter, (4) is a cruciform cross-diverte antenna, and (5) is a new addition in this invention. It is a power divider with a built-in design. In addition, in the figures, the same reference numerals indicate the same or equivalent parts. Agent Tsuyoshi Kuzuno - 4. Yaoishi Figure 2 Figure 3 Commissioner of the Patent Office 1, Indication of the case Patent Application No. 1988-218114 2
, Title of the invention Antenna device 3, Person making the amendment 6, Subject of amendment (υDetailed explanation column of claim 1 invention of the specification)
2) Drawing 7, the content of the amendment (the claims in the specification are corrected as shown in the attached sheet. (2) The specification is corrected as shown in the attached sheet. (3) Figure 1 of the drawings is corrected as shown in the attached sheet. 8. List of attached documents (1) One document indicating the scope of claims after correction (2)
Drawing (Figure 1) A first power divider having one input terminal and two output terminals that divides one or more claims input signals into two with the same amplitude, and two input terminals and two output terminals. Copy the signal from each input terminal to 90°.
a second power divider that divides the signals into two signals of the same amplitude and different phases; and a second power divider provided between the two output terminals of the first power divider and the two input terminals of the second power divider. An antenna device capable of switching between circularly polarized waves and linearly polarized waves in a relative phase window of signals applied to two input terminals of two power dividers.
Claims (1)
二つの出力端子を有する第1の電力分配器と、二つの入
力端子と二つの出力端子を備え各入力端子からの電力を
90°位相の異なる二つの等振幅の電力に分配する第2
の電力分配器と、前記第1の電力分配器の二つの出力端
子と第2の電力分配器の二つの入力端子の間に設けられ
第2の電力分配器の二つの入力端子に印加される信号の
相対位相を所定値に設定する移相器と、前記第2の電力
分配器の各出力端子とそれによシ給電される各アンテナ
の間に設けられ、その間の移相量を所定値に設定する移
相器を備え、移相量を所定値に設定替えすることによシ
円偏波と直線偏波に切替え得るアンテナ装置。A first power divider having one input terminal and two output terminals that divides the signal power into two with equal amplitude and equal phase, and a first power divider having two input terminals and two output terminals and dividing the power from each input terminal at 90 degrees. The second power is divided into two equal-amplitude powers with different phases.
a power divider provided between the two output terminals of the first power divider and the two input terminals of the second power divider, and applied to the two input terminals of the second power divider. A phase shifter that sets the relative phase of the signal to a predetermined value, and a phase shifter that is provided between each output terminal of the second power divider and each antenna that is powered by the second power divider, and that sets the amount of phase shift therebetween to a predetermined value. An antenna device that includes a phase shifter and can switch between circularly polarized waves and linearly polarized waves by changing the amount of phase shift to a predetermined value.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21311482A JPS59101905A (en) | 1982-12-02 | 1982-12-02 | Antenna device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21311482A JPS59101905A (en) | 1982-12-02 | 1982-12-02 | Antenna device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS59101905A true JPS59101905A (en) | 1984-06-12 |
Family
ID=16633808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21311482A Pending JPS59101905A (en) | 1982-12-02 | 1982-12-02 | Antenna device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59101905A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01268209A (en) * | 1988-04-19 | 1989-10-25 | Mitsubishi Electric Corp | Antenna system |
US5304999A (en) * | 1991-11-20 | 1994-04-19 | Electromagnetic Sciences, Inc. | Polarization agility in an RF radiator module for use in a phased array |
WO2014178124A1 (en) * | 2013-04-30 | 2014-11-06 | ソフトバンクBb株式会社 | Cross polarization antenna device and testing method for portable wireless base station |
-
1982
- 1982-12-02 JP JP21311482A patent/JPS59101905A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01268209A (en) * | 1988-04-19 | 1989-10-25 | Mitsubishi Electric Corp | Antenna system |
US5304999A (en) * | 1991-11-20 | 1994-04-19 | Electromagnetic Sciences, Inc. | Polarization agility in an RF radiator module for use in a phased array |
WO2014178124A1 (en) * | 2013-04-30 | 2014-11-06 | ソフトバンクBb株式会社 | Cross polarization antenna device and testing method for portable wireless base station |
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