CN106848556A - Circular polarized antenna with and preparation method thereof - Google Patents
Circular polarized antenna with and preparation method thereof Download PDFInfo
- Publication number
- CN106848556A CN106848556A CN201710036673.6A CN201710036673A CN106848556A CN 106848556 A CN106848556 A CN 106848556A CN 201710036673 A CN201710036673 A CN 201710036673A CN 106848556 A CN106848556 A CN 106848556A
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- Prior art keywords
- polarized antenna
- circular polarized
- magnetic film
- square
- thin magnetic
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/08—Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
Abstract
Present invention aim at the preparation method for providing a kind of circular polarized antenna and the circular polarized antenna.The circular polarized antenna that the present invention is provided, including：Dielectric substrate, it is square, pre-position be provided with for feed through power feed hole, the power feed hole be distributing point；Thin magnetic film, is coated uniformly in a square sides of dielectric substrate；And radiation patch, it is square, it is arranged on thin magnetic film, it is connected with feed, wherein, the thickness of thin magnetic film is not more than 5um, and the material of thin magnetic film is higher than 1 material higher than 10, magnetic conductivity for dielectric constant.
Description
Technical field
The present invention relates to a kind of paster antenna, and in particular to the preparation side of a kind of circular polarized antenna and the circular polarized antenna
Method.
Background technology
It is well known that in the modern society of scientific and technological high speed development, including the almost all of microwave device including antenna
Effect be all using and the motion of control electronics realize.But by electronics self character is limited, the microwave of microstrip structure
The structure of device and integrated limiting condition is arrived.Especially microstrip antenna, typically realizes circle by special requirement, shape
Polarization characteristic, it is no so far that circular polarization characteristics are directly realized using special material.So new it is desirable to obtain
Material, be free to obtain electromagnetic field revolving property, just as the electronics in control semiconductor so that electromagnetic field is in material
It is middle that spinning phenomenon occurs and micro-strip paster antenna circular polarization radiation effect is realized.
Although electromagnetic wave communication theory in isotropism and anisotropic material is quite ripe, due to general
Material have spin characteristics, the electromagnetic wave propagated wherein will be modulated and forms showing for 90 degree of alternating magnetic field delayed phase
As the reason for this exactly produces circular polarization radiation and condition.Circular polarized antenna with this spin phenomenon can be spin-
Based circular polarization microstrip antennas.
The simple structure of spin-based circular polarization microstrip antennas, patch shape is square, and microstrip antenna is typically used
Special mechanical structure realizes circular polarization radiation, for example：Paster corner cut, paster grooving, 90 degree of phase shift feeding networks etc., but this
The particularity and complexity of a little structures bring the factor of many inconvenience to engineering.
Separately, the microwave device of the today for increasingly being minimized with communication equipment, L-band and S-band and the size of antenna
It is required that increasingly miniaturization, it is integrated, so as the material of the low relative dielectric constants such as silicon can not meet miniaturization will
Ask.
The content of the invention
The present invention is carried out to solve the above problems, it is therefore intended that provide a kind of circular polarized antenna and the entelechy
Change the preparation method of antenna.
The invention provides a kind of circular polarized antenna, have the feature that, including：Dielectric substrate, it is square, pre-
Positioning the place of putting be provided with for feed through power feed hole, the power feed hole be distributing point；Thin magnetic film, is coated uniformly on medium base
In one square sides of piece；And radiation patch, it is square, it is arranged on thin magnetic film, it is connected with feed, wherein,
The thickness of thin magnetic film is not more than 5um, and the material of thin magnetic film is higher than 1 material higher than 10, magnetic conductivity for dielectric constant.
In the circular polarized antenna that the present invention is provided, can also have the feature that：Wherein, feed using SMA and
Distributing point is connected.
In the circular polarized antenna that the present invention is provided, can also have the feature that：Wherein, the work of circular polarized antenna
Relational expression between frequency and square dimensions and dielectric constant is：
F is the working frequency of circular polarized antenna, and C is the light velocity, and b is the size of radiation patch, εrIt is the dielectric constant of medium,
μrIt is the magnetic conductivity of medium.
In the circular polarized antenna that the present invention is provided, can also have the feature that：Wherein, feed is microstrip transmission line
Or fed by coaxial probe.
In the circular polarized antenna that the present invention is provided, can also have the feature that：Wherein, precalculated position is according to Jie
What electric constant, the working frequency of antenna and square dimensions were calculated using three-dimensional structure electromagnetic field simulation software.
A kind of preparation method of the circular polarized antenna also provided in the present invention, has the feature that, including：Step one,
Perforated at the position of the power feed hole of square dielectric substrate；Step 2, to one of the foursquare dielectric substrate just
Even application magnetic material in square sides, forms the thin magnetic film that thickness is not more than 5um；Step 3, by foursquare radiation
Paster is arranged on thin magnetic film, that is, obtain circular polarized antenna, wherein, the material of thin magnetic film is that dielectric constant is higher than 10, magnetic
Material of the conductance higher than 1.
The effect of invention and effect
According to circular polarized antenna involved in the present invention, because having added one layer of magnetic thin between dielectric substrate and radiation patch
Membrane material, so, circular polarized antenna of the invention has advantages below：
1st, antenna size is less than traditional antenna size；
2nd, with the bandwidth of operation of non-constant width；
3rd, the 3dB axles with ultra-wide compare wave beam；
4th, left-handed polarization and right-hand polarization isolation are less than -25dB；
5th, it is adapted to as satellite carried antenna, various circular polarisation index requests can be met；
6th, the working frequency range of the circular polarized antenna is in L-band and S-band.
According to the preparation method of circular polarized antenna involved in the present invention, because needing only to be pasted in dielectric substrate and radiation
One layer of magnetic membrane material is coated between piece, so, thin magnetic film circular polarization microstrip antenna of the invention not only manufacturing process letter
It is single, and without any feeding network, it is possible to going up direct feed in place can just realize the low axle in broadband, broad beam
Than.
Brief description of the drawings
Fig. 1 is by microstrip transmission line circular polarized antenna to be realized in embodiments of the invention one feeding；And
Fig. 2 is by coaxial probe circular polarized antenna to be realized in embodiments of the invention two feeding.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand, it is real below
Apply example combination accompanying drawing to circular polarized antenna of the present invention with and preparation method thereof be specifically addressed.
A kind of preparation method of circular polarized antenna, comprises the following steps：
Step one, in the pre-position perforation of the power feed hole of square dielectric substrate, precalculated position is according to Jie
What electric constant, the working frequency of antenna and square dimensions were calculated using three-dimensional structure electromagnetic field simulation software, at this
In embodiment, three-dimensional structure electromagnetic field simulation software is HFSS electromagnetic field professional softwares；
Step 2, to even application magnetic material in a square sides of the foursquare dielectric substrate, forms thick
Degree is not more than the thin magnetic film of 5um, wherein, the material of the thin magnetic film is higher than 1 material higher than 10, magnetic conductivity for dielectric constant
Material；
Step 3, foursquare radiation patch is arranged on thin magnetic film, that is, obtain circular polarized antenna.
<Embodiment one>
Fig. 1 is by microstrip transmission line circular polarized antenna to be realized in embodiments of the invention one feeding.
As shown in figure 1, circular polarized antenna 10 is fed by microstrip transmission line 11, microstrip transmission line 11 uses SMA heads
Distributing point is fed.Circular polarized antenna 10 includes：Dielectric substrate 12, thin magnetic film 13 and radiation patch 14.
Dielectric substrate 12 is square, and the power feed hole passed through for microstrip transmission line 11 is provided with pre-position, should
Power feed hole is distributing point.The material of dielectric substrate is composite.Precalculated position is the working frequency according to dielectric constant, antenna
And square dimensions are calculated using three-dimensional structure electromagnetic field simulation software, in the present embodiment, three-dimensional structure electromagnetism
Field simulation software is HFSS electromagnetic field simulation softwares.
Thin magnetic film 13 is coated uniformly in a square sides of dielectric substrate 12.The thickness of thin magnetic film is not more than
5um, the material of thin magnetic film is higher than 1 material higher than 10, magnetic conductivity for dielectric constant.In the present embodiment one, thin magnetic film
13 are sprayed in the square sides of dielectric substrate 12.In addition, thin magnetic film 13 spraying area at least with radiation
The area equation of paster 14.In the present embodiment one, area and the area equation of dielectric substrate 12 that thin magnetic film 13 is sprayed.
Radiation patch 14 is square, is arranged on thin magnetic film 13, is connected with microstrip transmission line 11.Radiation patch 14 is
The metal patch of definite shape is made of photoetching caustic solution or other modes.Microstrip transmission line 11 side present by way of and spoke
Paster 14 is penetrated to connect.Now, feeder line and radiation patch 14 are on the common face in circular polarized antenna.
Relational expression between the working frequency and square dimensions and dielectric constant of circular polarized antenna is：
F is the working frequency of circular polarized antenna, and C is the light velocity, and b is the size of radiation patch, εrIt is the dielectric constant of medium,
μrIt is the magnetic conductivity of medium.
<Embodiment two>
Fig. 2 is by coaxial probe circular polarized antenna to be realized in embodiments of the invention two feeding.
As shown in Fig. 2 circular polarized antenna 20 is fed by coaxial probe 21, coaxial probe 21 is using SMA to feedback
Electricity is put to feed.Circular polarized antenna 20 includes：Dielectric substrate 22, thin magnetic film 23 and radiation patch 24.
Dielectric substrate 22 is square, and the power feed hole passed through for coaxial probe 21 is provided with pre-position, the feedback
Electric hole is distributing point.
Thin magnetic film 23 is coated uniformly in a square sides of dielectric substrate 22.The thickness of thin magnetic film is not more than
5um, the material of thin magnetic film is higher than 1 material higher than 10, magnetic conductivity for dielectric constant.In the present embodiment one, thin magnetic film
23 are sprayed in the square sides of dielectric substrate 22.In addition, thin magnetic film 23 spraying area at least with radiation
The area equation of paster 24.In the present embodiment two, area and the area equation of dielectric substrate 22 that thin magnetic film 23 is sprayed.
Radiation patch 24 is square, is arranged on thin magnetic film 23, is connected with coaxial probe 21.Coaxial probe 21 passes through
Back of the body feedback mode is connected with radiation patch 24.Now, feeder line and radiation patch 24 are in the different faces in circular polarized antenna.
Circular polarized antenna application method：
When in use, enclose as earth plate the side for being not provided with thin magnetic film and radiation patch in circular polarized antenna
Thin metal layer, feed (microstrip transmission line 11 or coaxial probe 21) is fed using SMA to circular polarized antenna.
The effect of embodiment and effect
Circular polarized antenna according to involved by the present embodiment, because having added one layer of magnetic between dielectric substrate and radiation patch
Thin-film material, so, the circular polarized antenna of the present embodiment has advantages below：
1st, antenna size is less than traditional antenna size；
2nd, with the bandwidth of operation of non-constant width；
3rd, the 3dB axles with ultra-wide compare wave beam；
4th, left-handed polarization and right-hand polarization isolation are less than -25dB；
5th, it is adapted to as satellite carried antenna, various circular polarisation index requests can be met；
6th, the working frequency range of the circular polarized antenna is in L-band and S-band.
In addition, therefore the circular polarized antenna involved by the present embodiment is obtained by HFSS electromagnetic field professional software simulation calculations
Circular polarization radiation characteristic is gone out, so comparing conventional circular polarization antenna, the circular polarized antenna of the present embodiment also has broadband, ripple wide
The advantages such as beam, low axle ratio.
The preparation method of the circular polarized antenna according to involved by the present embodiment, because needing only in dielectric substrate and radiation
One layer of magnetic membrane material is coated between paster, so, the thin magnetic film circular polarization microstrip antenna of the present embodiment not only manufactures work
Skill is simple, and without any feeding network, it is possible to going up direct feed in place can just realize broadband, broad beam
Low axle ratio.
Above-mentioned implementation method is preferred case of the invention, is not intended to limit protection scope of the present invention.
Claims (6)
1. a kind of circular polarized antenna, it is characterised in that including：
Dielectric substrate, it is square, pre-position be provided with for feed through power feed hole, the power feed hole for feed
Point；
Thin magnetic film, is coated uniformly in a square sides of the dielectric substrate；And
Radiation patch, it is square, it is arranged on the thin magnetic film, it is connected with the feed,
Wherein, the thickness of the thin magnetic film is not more than 5um, and the material of the thin magnetic film is that dielectric constant is higher than 10, magnetic conductance
Material of the rate higher than 1.
2. circular polarized antenna according to claim 1, it is characterised in that：
Wherein, the feed is connected using SMA with the distributing point.
3. circular polarized antenna according to claim 1, it is characterised in that：
Wherein, the relational expression between the working frequency and square dimensions and dielectric constant of the circular polarized antenna is：
F is the working frequency of the circular polarized antenna, and C is the light velocity, and b is the size of radiation patch, εrIt is the dielectric constant of medium,
μrIt is the magnetic conductivity of medium.
4. circular polarized antenna according to claim 1, it is characterised in that：
Wherein, the feed is microstrip transmission line or fed by coaxial probe.
5. circular polarized antenna according to claim 1, it is characterised in that：
Wherein, the precalculated position is to use three-dimensional structure according to dielectric constant, the working frequency of antenna and square dimensions
What electromagnetic field simulation software was calculated.
6. a kind of preparation method of circular polarized antenna, it is characterised in that including：
Step one, in the pre-position perforation of the power feed hole of square dielectric substrate；
Step 2, to even application magnetic material in a square sides of the foursquare dielectric substrate, forms thickness not
Thin magnetic film more than 5um；
Step 3, foursquare radiation patch is arranged on the thin magnetic film, that is, obtain the circular polarized antenna,
Wherein, the material of the thin magnetic film is material of the dielectric constant higher than 10, magnetic conductivity higher than 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710036673.6A CN106848556A (en) | 2017-01-18 | 2017-01-18 | Circular polarized antenna with and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710036673.6A CN106848556A (en) | 2017-01-18 | 2017-01-18 | Circular polarized antenna with and preparation method thereof |
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| Publication Number | Publication Date |
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| CN106848556A true CN106848556A (en) | 2017-06-13 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710036673.6A Pending CN106848556A (en) | 2017-01-18 | 2017-01-18 | Circular polarized antenna with and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112736406A (en) * | 2020-12-31 | 2021-04-30 | 天津大学 | Magnetic drive antenna based on folding magnetic film |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6292143B1 (en) * | 2000-05-04 | 2001-09-18 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Multi-mode broadband patch antenna |
| CN203134984U (en) * | 2012-11-20 | 2013-08-14 | 安徽四创电子股份有限公司 | High-performance small-sized circular polarized microstrip antenna |
| CN104868239A (en) * | 2015-04-22 | 2015-08-26 | 哈尔滨工业大学 | Single-feed circular slit loading broadband circular polarization microstrip antenna |
-
2017
- 2017-01-18 CN CN201710036673.6A patent/CN106848556A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6292143B1 (en) * | 2000-05-04 | 2001-09-18 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Multi-mode broadband patch antenna |
| CN203134984U (en) * | 2012-11-20 | 2013-08-14 | 安徽四创电子股份有限公司 | High-performance small-sized circular polarized microstrip antenna |
| CN104868239A (en) * | 2015-04-22 | 2015-08-26 | 哈尔滨工业大学 | Single-feed circular slit loading broadband circular polarization microstrip antenna |
Non-Patent Citations (1)
| Title |
|---|
| 陈威: "磁性材料微带天线的研究设计及优化", 《中国硕士论文全文数据库》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112736406A (en) * | 2020-12-31 | 2021-04-30 | 天津大学 | Magnetic drive antenna based on folding magnetic film |
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Application publication date: 20170613 |
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