JPS60165101A - Polarized wave converter - Google Patents
Polarized wave converterInfo
- Publication number
- JPS60165101A JPS60165101A JP2113984A JP2113984A JPS60165101A JP S60165101 A JPS60165101 A JP S60165101A JP 2113984 A JP2113984 A JP 2113984A JP 2113984 A JP2113984 A JP 2113984A JP S60165101 A JPS60165101 A JP S60165101A
- Authority
- JP
- Japan
- Prior art keywords
- polarized wave
- wave
- circularly polarized
- converter
- waves
- 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
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/24—Polarising devices; Polarisation filters
- H01Q15/242—Polarisation converters
- H01Q15/244—Polarisation converters converting a linear polarised wave into a circular polarised wave
Landscapes
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
Description
【発明の詳細な説明】
し発明の技術分野〕
この発明は、垂直偏波（あるいは水平偏波）を・上記偏
波と互いに直交する水平偏波（あるｌいは垂直偏波）に
変換す７ｉ！偏波変侠装置に関するもので。[Detailed Description of the Invention] Technical Field of the Invention This invention provides a method for converting vertically polarized waves (or horizontally polarized waves) into horizontally polarized waves (or vertically polarized waves) that are orthogonal to the above polarized waves. 7i! This is related to the polarization changing device.
特に、空間において偏波の変換を行なう偏波変換装置に
関するものである。In particular, the present invention relates to a polarization conversion device that converts polarization in space.
〔従来技術Ｊ 第１図は従来の偏波変換装置を示すものであり。[Prior art J FIG. 1 shows a conventional polarization conversion device.
図において、（１）はグリッド（Ｇｒｉｄ ）、 （２
１は金属あるいはカーボン繊維強化プラスチック（ＣＦ
ＩＬＰ ）等で構成する霜、波反射ｉｆｍ、 （３）
はグリッド（１）と′電波反射面（２）とｅ ｒｙｒ定
の間隔に保つだめの誘電体である。In the figure, (1) is a grid (Grid), (2
1 is metal or carbon fiber reinforced plastic (CF)
frost, wave reflection ifm, (3) consisting of ILP), etc.
is a dielectric material that maintains a constant spacing between the grid (1) and the radio wave reflecting surface (2).
従来の１ＪＩｉｉ波変換装置は、上記のように（１♂ζ
成され。The conventional 1JIiii wave conversion device is as described above (1♂ζ
Done.
たとえば、第°１図の実線で７Ｊ＜される価ｉ波１ｈ（
＋ｌｐ直偏波）がグリッド（１）の腺方向に対して斜め
４５゜の角度で入射する場合、グリッド（１）にコト行
な偏波成分はグリッドｉｌ＋で反射され、グリッド（１
１と直交する１ｌＩＩｉ波成分はグリッド（１）を透過
し、誘電体（３）中を伝ばんし、′電波反射面（２）で
反射し、再び誘電体（３）中を伝ばん（７，グリッド（
１１に達する。For example, the solid line in Figure 1 shows the valence i-wave 1h (
+lp direct polarization) is incident on grid (1) at an angle of 45° with respect to the direction of the grid (1), the polarization component opposite to grid (1) is reflected by grid il+, and grid (1)
The 1lIIIi wave component perpendicular to 1 passes through the grid (1), propagates through the dielectric (3), reflects at the radio wave reflecting surface (2), and propagates through the dielectric (3) again (7 ,grid(
Reach 11.
ところで、電波反射面（２）で反射しグリッド（１１に
達する電波の位相全グリッド（１）に入射する電波と１
１１０″の位相葡持つように、誘電体（３）の厚みを選
ぶことにより、グリッド（１）での反射波と電波反射面
（２）からの反射波の合成波は、第１図の点線で示され
る偏波Ｅｏ （水平偏波）となる。By the way, the phase of the radio wave that is reflected by the radio wave reflecting surface (2) and reaches the grid (11) is the total phase of the radio wave that is incident on the grid (1) and 1
By selecting the thickness of the dielectric (3) so that it has a phase difference of 110", the combined wave of the reflected wave from the grid (1) and the reflected wave from the radio wave reflecting surface (2) is generated as shown by the dotted line in Figure 1. The polarized wave Eo (horizontal polarized wave) is shown as .
従って、垂直偏波ｇｙが水平偏波ＢＨに変換される。Therefore, the vertically polarized wave gy is converted to the horizontally polarized wave BH.
しかるに、上記のように、従来の偏１７Ｊ［侠装置にお
込ては１反射波の偏波方向が変換されるため電波の進行
方向が変わってしまうという欠点があった。However, as mentioned above, in the conventional polarized 17J device, the direction of polarization of one reflected wave is changed, so the direction of propagation of the radio wave changes.
〔発明の概要Ｊ
この発明はかかる欠点？改善する目的でなされたもので
、直線偏波を円偏波に変換する変換器と円偏波全直線偏
波に変換する変換器全対向させて設置することにより、
を波の進行方向を変えずに垂直偏波（あるいは水平偏波
）を水平偏波（あるいは垂直偏波）に変俤する偏波変換
装置を提案するものである。[Summary of the invention J Does this invention have such drawbacks? This was done for the purpose of improving the polarization, and by installing the converter that converts linearly polarized waves into circularly polarized waves and the converter that converts the circularly polarized waves into completely linearly polarized waves, facing each other,
This paper proposes a polarization conversion device that converts vertically polarized waves (or horizontally polarized waves) into horizontally polarized waves (or vertically polarized waves) without changing the direction of wave propagation.
〔発明の実施例〕 。[Embodiments of the invention].
第２図はこの発明の一実施例？示す図２であり。Is Figure 2 an example of this invention? FIG.
（４）は直線偏波ｒ右旋円偏波（あるいは左旋円偏波）
に変換する円偏波発生器、（５）は右旋円偏波（あるい
は左旋円偏波）′Ｖｆ：ＩＭ線偏波に変換する変換器で
あり、（３）は従来装置と同様の誘電体である。(4) is linearly polarized wave r right-handed circularly polarized wave (or left-handed circularly polarized wave)
(5) is a converter that converts right-handed circularly polarized wave (or left-handed circularly polarized wave) 'Vf: IM line polarized wave, and (3) is a dielectric generator similar to the conventional device. It is the body.
この実施例では９円偏波発生器（４）２円偏波ケ直勝偏
波に変換する変換器（５）として、メアンダライン盆用
いる場合で示しており、メアンダラインの傾き方向とし
ては、同一方向に配置するものとする。In this example, a meander line tray is used as a 9 circularly polarized wave generator (4) and a converter (5) that converts 2 circularly polarized waves into a direct polarized wave, and the inclination direction of the meander line is as follows. shall be placed in the same direction.
上記のように構成された１扁波袈換器において。In the one-flat wave pedestal exchanger configured as described above.
第２図の実線で示される偏波Ｂｙ（車面偏波）が。The polarized wave By (vehicle surface polarized wave) is shown by the solid line in Fig. 2.
メアンダラインの線路方向に対して斜め４５°の角贋で
入射する場合について考える。ところで。Let us consider the case where the light is incident at an angle of 45° with respect to the track direction of the meander line. by the way.
偏波ｇｙは、Ｆｉｙに対して４５°の傾きτ有シフ、互
いに直交する偏波ＥＣとＥＬに分解できる。メアンダラ
インの線路定数金適当に選ぶことにより。The polarized wave gy can be decomposed into polarized waves EC and EL which have an inclination τ of 45 degrees with respect to Fiy and are mutually orthogonal. By choosing the meander line line constant gold appropriately.
メアンダラインの線路方向に平行な偏波ＥｃＦｉ森路を
透過する時に４５°の位相遅れとなり、！また。When the polarized EcFi parallel to the track direction of the meander line passes through Moriji, there will be a 45° phase delay! Also.
線路方向に直交する偏波ｆ、は、線路を透過するときに
４５°の進み位相となる。The polarized wave f, which is orthogonal to the line direction, has a phase lead of 45° when transmitted through the line.
従って、メアンダラインの線路τ透過することにより、
偏波ＥＬは、偏波１４ｃに対して９０°の進み位相とな
るため、第２図に示される構成においては１円偏波発生
器（４）會透過する偏波Ｆｉ■は。Therefore, by passing through the meander line τ,
Since the polarized wave EL has a phase lead of 90° with respect to the polarized wave 14c, in the configuration shown in FIG.
右旋円偏波に変換される。Converted to right-handed circularly polarized wave.
同様な原理により、変換器（５）に入射する右旋円偏波
は、変換器（５１’ｉ Ｊ過しだ後は９点線で示される
偏波Ｅｕ （水平偏波）Ｋ変換される。Based on the same principle, the right-handed circularly polarized wave incident on the converter (5) is converted into the polarized wave Eu (horizontal polarized wave) K shown by the nine-dot line after passing through the converter (51'i J).
上記のように、垂直偏波ａｙτ電波の進行方向ケ変えず
に、水平偏波均１に変換することができる。As described above, it is possible to convert vertically polarized ayτ radio waves into horizontally polarized waves without changing the traveling direction.
なお、上記の実施例においては、垂直偏波を右旋円偏波
に変換し水平偏波に変換する場合を示したが、水平偏波
を右旋円偏波あるいは左旋円偏波に変換し、垂直偏波に
変換できることは言うまでもない。In addition, in the above example, a case was shown in which vertically polarized waves are converted to right-handed circularly polarized waves and then converted to horizontally polarized waves, but it is also possible to convert horizontally polarized waves to right-handed circularly polarized waves or left-handed circularly polarized waves. , it goes without saying that it can be converted into vertically polarized waves.
さらに、上記実施例においては１円偏波発生器（４）と
円偏波を直線偏波に変換する変換器（５）として。Furthermore, in the above embodiment, a single circularly polarized wave generator (4) and a converter (5) that converts circularly polarized waves into linearly polarized waves are used.
メアンダライン型の変換器を示したが、互いに直交する
偏波に対して容量性と誘導性に作用し、変 。Although a meander line type converter is shown, it acts capacitively and inductively on mutually orthogonal polarized waves, and changes.
換器を透過する際の位相差が９０°であれば９円偏波発
生器として動作するため、グリッド（ｏｒｌａ）形式の
変換器でもよい。If the phase difference when passing through the transducer is 90°, the transducer operates as a 9 circularly polarized wave generator, so a grid (orla) type transducer may be used.
この発明は９以上説明したとおり９円偏波発生゛器と円
偏波を直線偏波ＶＣ変換する変換器とを組み合わせると
いう簡単な構造により、容易に、直線偏波を互いに直交
する直＃偏波に変換できるという効果がある。As explained above, this invention has a simple structure of combining a circularly polarized wave generator and a converter that converts circularly polarized waves into linearly polarized waves. It has the effect of converting into waves.
また、この発明によれば空間中において１ｕ波の進行方
向をかえることなく、容易に偏波方向を変換できるとい
う効果がある。Further, according to the present invention, there is an effect that the polarization direction can be easily changed without changing the traveling direction of the 1u wave in space.
第１図は従来の偏波変換装置を示す図、第２図はこの発
明の一実施例を示す図である。
図において、（１）はグリッド、（２）は電波反射面。
（３）は誘電体、（４）は円偏波発生器、（５）は変換
器である。
なお１図中、同一符号は同−捷たけ相当部分を示すもの
とする。
代理人大岩増雄
第 １ 図FIG. 1 is a diagram showing a conventional polarization conversion device, and FIG. 2 is a diagram showing an embodiment of the present invention. In the figure, (1) is the grid, and (2) is the radio wave reflective surface. (3) is a dielectric, (4) is a circularly polarized wave generator, and (5) is a converter. In Figure 1, the same reference numerals indicate the same parts. Agent Masuo Oiwa Figure 1
Claims (2)
変換する円偏波発生器と、右旋円偏波（あるいは左旋円
偏波）を直線偏波に変換する変換器とを、１方向からみ
て、同一直線偏波に対して同一特性となるよう対向して
配置し、垂直偏波（あるいは水平偏波）を互いに直交す
る水平偏波（あるいは垂直偏波）に変換することを特徴
とする偏波変換装置。(1) Circularly polarized wave generator that converts direct polarized wave to right-handed circularly polarized wave (or left-handed circularly polarized wave) and conversion that converts right-handed circularly polarized wave (or left-handed circularly polarized wave) to linearly polarized wave When viewed from one direction, the devices are placed opposite each other so that they have the same characteristics for the same linearly polarized waves, and the vertically polarized waves (or horizontally polarized waves) are converted into horizontally polarized waves (or vertically polarized waves) that are orthogonal to each other. A polarization conversion device characterized by converting polarization.
１１ｍ波Ｔｈｉσ線偏波に変換する変換器として、メア
ンダライン（Ｍｅａｎｄｅｒ Ｌｉｎｅ ）あるいはグ
リッド（（Ｊｒｌｄ ）などのス） ＩＩツブ線路型の
円偏波発生器を用いることを特徴とする特許請求の範囲
第＋ｆ＋項記載の偏波変換装置。(2) As a circularly polarized wave generator that converts direct polarized wave to circularly polarized wave and as a converter that converts to circular 11m wave Thiσ line polarized wave, meander line or grid (such as (Jrld)) is used. The polarization conversion device according to claim 1, characterized in that a circularly polarized wave generator of the II tube line type is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2113984A JPS60165101A (en) | 1984-02-08 | 1984-02-08 | Polarized wave converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2113984A JPS60165101A (en) | 1984-02-08 | 1984-02-08 | Polarized wave converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60165101A true JPS60165101A (en) | 1985-08-28 |
Family
ID=12046562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2113984A Pending JPS60165101A (en) | 1984-02-08 | 1984-02-08 | Polarized wave converter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60165101A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02130006A (en) * | 1988-11-09 | 1990-05-18 | Uchu Tsushin Kiso Gijutsu Kenkyusho:Kk | Polarized wave shared antenna system |
| US5018915A (en) * | 1989-09-08 | 1991-05-28 | Toshiba Kikai Kabushiki Kaisha | Spindles of machine tools |
| KR100973700B1 (en) * | 2008-05-07 | 2010-08-04 | 연세대학교 산학협력단 | Reflection type polarization converter and polarization generation apparatus |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5388552A (en) * | 1977-01-12 | 1978-08-04 | Philips Nv | Antenna feeder unit |
-
1984
- 1984-02-08 JP JP2113984A patent/JPS60165101A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5388552A (en) * | 1977-01-12 | 1978-08-04 | Philips Nv | Antenna feeder unit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02130006A (en) * | 1988-11-09 | 1990-05-18 | Uchu Tsushin Kiso Gijutsu Kenkyusho:Kk | Polarized wave shared antenna system |
| US5018915A (en) * | 1989-09-08 | 1991-05-28 | Toshiba Kikai Kabushiki Kaisha | Spindles of machine tools |
| KR100973700B1 (en) * | 2008-05-07 | 2010-08-04 | 연세대학교 산학협력단 | Reflection type polarization converter and polarization generation apparatus |
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