CN102637950A - Super-material antenna housing with filtering function - Google Patents
Super-material antenna housing with filtering function Download PDFInfo
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- CN102637950A CN102637950A CN201210066214XA CN201210066214A CN102637950A CN 102637950 A CN102637950 A CN 102637950A CN 201210066214X A CN201210066214X A CN 201210066214XA CN 201210066214 A CN201210066214 A CN 201210066214A CN 102637950 A CN102637950 A CN 102637950A
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Abstract
The invention relates to a super-material antenna housing with a filtering function. The super-material antenna housing comprises at least one super-material sheet layer, wherein each super-material sheet layer comprises a first substrate and a plurality of artificial micro-structures which are arranged on the first substrate in an array mode; each artificial micro-structure comprises a square-shaped structure and a cross-shaped structure; the four corners of the square-shaped structure are respectively provided with a notch; a U-shaped structure of which the opening faces outwards is arranged at each notch; and four terminal points of the cross-shaped structure are overlapped with the middle points of four sides of the square-shaped structure. The antenna housing provided by the invention satisfies good wave penetrating performance and has the filtering function; in addition, the working frequency band of the antenna housing ranges from 6.82 GHz to 17.53 GHz and the bandwidth of the antenna housing is more than 10 GHz; and furthermore, the antenna housing is very high in wave penetrating efficiency within the frequency band and has band stop characteristic nearby 5 GHz and 22.5 GHz, so that the antenna housing can realize selective filtering.
Description
Technical field
The present invention relates to radome, more particularly, relate to ultra material radome with filter function.
Background technology
Ultra material is commonly called as ultra material, is a kind of novel artificial synthetic material, is the substrate processed by nonmetallic materials and attached on the substrate surface or be embedded in the inner a plurality of artificial micro-structural of substrate and constitute.Substrate can be divided into a plurality of base board units that rectangular array is arranged virtually; Be attached with artificial micro-structural on each base board unit; Thereby form a ultra material cell; Whole ultra material is made up of a lot of so ultra material cell, just as crystal is to be made up of according to certain arranging countless lattices.Artificial micro-structural on each ultra material cell can be identical or incomplete same.Artificial micro-structural has certain geometric plane or a stereochemical structure by what wire was formed, for example forms annular, I-shaped wire etc.
Because the existence of artificial micro-structural, each ultra material cell has the electromagnetic property that is different from substrate itself, so the ultra material that all ultra material cell constitute demonstrates special response characteristic to electric field and magnetic field; Through concrete structure and the shape different, can change the response characteristic of whole ultra material to artificial microstructure design.
Generally speaking, antenna system all can be provided with radome.The purpose of radome is the influence that the protection antenna system is avoided wind and rain, ice and snow, sand and dust and solar radiation etc., makes the antenna system service behaviour more stable, reliable.Alleviate wearing and tearing, the corrosion and aging of antenna system simultaneously, increase the service life.But radome is the barrier of antenna front, can produce the aerial radiation ripple to absorb and reflection, changes the free space Energy distribution of antenna, and influences the electric property of antenna to a certain extent.
At present the material of preparation radome adopts dielectric constant and loss angle tangent is low, mechanical strength is high material more, and like fiberglass, epoxy resin, high molecular polymer etc., the dielectric constant of material has unadjustable property.Mostly be uniform single walled structure, sandwich and spatial skeleton structure etc. on the structure; The design of cone wall thickness need take into account operation wavelength, radome size and dimension, environmental condition, material therefor in factors such as electric and structural performances; Difficulty reaches the high ripple requirement of passing through, and does not pass through wave energy even under the condition that guarantees high-transmission rate, also do not possess selectivity.
Summary of the invention
The technical problem that the present invention will solve is, and is relatively poor to the above-mentioned wave penetrate capability of prior art, do not possess the defective that selectivity is passed through ripple, and a kind of ultra material radome with filter function is provided.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of ultra material radome with filter function; Comprise at least one ultra sheet of material, each ultra sheet of material comprises first substrate and a plurality of artificial micro-structural of array arrangement on said first substrate; Each artificial micro-structural comprises square shape structure and decussate texture, and four corners of said square shape structure offer a breach respectively, and each indentation, there is provided with the outside U-shaped structure of an opening; Four end points of said decussate texture overlap with the mid point of four length of sides of said square shape structure.
In ultra material radome of the present invention, each ultra sheet of material also comprises second substrate that is covered on said a plurality of artificial micro-structural.
In ultra material radome of the present invention, first substrate in the said ultra sheet of material can be divided into a plurality of ultra material cell, wherein is placed with a said artificial micro-structural on each ultra material cell.
In the ultra material radome of broadband of the present invention, the length of each ultra material cell and the wide 19mm that is.
In ultra material radome of the present invention, said square shape structure is made up of four measure-alike wires, and two adjacent one metal wires are vertical each other, and two relative one metal wires are parallel to each other.
In ultra material radome of the present invention, each width wiry is 0.2mm, and the distance between the two relative one metal wires is 15.8mm.
In ultra material radome of the present invention, arbitrary U-shaped structure turn 90 degrees the back around the dextrorotation of the center of said square shape structure and overlaps with clockwise adjacent U-shaped structure.
In ultra material radome of the present invention, the U-shaped structure on two relative turnings of said square shape structure is about the center symmetry of said square shape structure.
In ultra material radome of the present invention; Arbitrary U-shaped structure comprises two measure-alike and metal edges that is parallel to each other and the bases that connect said two metal edges; The width on wherein said metal edges and base is 0.2mm; The length of said metal edges is 3mm, and the length on said base is 1mm.
In ultra material radome of the present invention, the width of said decussate texture is 0.2mm, and length is 15.8mm.
The technical scheme of embodiment of the present invention has following beneficial effect: through on substrate, adhering to the artificial micro-structural of given shape, obtain the electromagnetic response that needs, make that the wave penetrate capability based on the radome of ultra material strengthens the antijamming capability increase.Can be through regulating shape, the size of artificial micro-structural; Change relative dielectric constant, refractive index and the impedance of material; Thereby realize impedance matching with air; To increase the transmission of incident electromagnetic wave to greatest extent, reduced traditional antenna and be covered with the restriction of timing material thickness and dielectric constant.And the working band of radome of the present invention is between 6.82-17.53GHz, and bandwidth surpasses 10GHz, and in this frequency band to pass through weave efficiency very high, near 5GHz and 22.5GHz, have band and hinder characteristic, can realize selective filter.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the structural representation according to a ultra sheet of material of the ultra material radome with filter function of one embodiment of the invention;
Fig. 2 is the structural representation that is piled up the ultra material radome that forms by a plurality of ultra sheet of material shown in Figure 1;
Fig. 3 is the structural representation according to the ultra sheet of material of one embodiment of the invention;
Fig. 4 is the sketch map of artificial micro-structural;
Fig. 5 is the S parameter sketch map with ultra material radome of filter function.
Embodiment
Ultra material is a kind of artificial composite structure material with the not available extraordinary physical property of natural material, through the orderly arrangement to micro-structural, can change in the space relative dielectric constant and magnetic permeability at every.Ultra material can be realized refractive index, impedance and the wave penetrate capability that common material can't possess within the specific limits, thereby can effectively control the electromagnetic wave propagation characteristic.Ultra material radome based on artificial micro-structural can be through regulating shape, the size of artificial micro-structural; Change relative dielectric constant, refractive index and the impedance of material; Thereby the impedance matching of realization and air is to increase the transmission of incident electromagnetic wave to greatest extent.And can carry out the frequency selection through regulating microstructure size, adjust corresponding ripple and frequency filtering as required.
The invention provides a kind of ultra material radome, comprise at least one ultra sheet of material 1, as depicted in figs. 1 and 2.Each ultra sheet of material 1 comprises two substrates that are oppositely arranged and attached to the artificial micro-structural of the array arrangement between the two substrates.When ultra sheet of material 1 has when a plurality of, each ultra sheet of material 1 is along the direction stack perpendicular to lamella, and is assembled into one through mechanical connection, welding or bonding mode, and is as shown in Figure 2.Usually, under the situation that can satisfy performance, a ultra sheet of material just can be used as ultra material radome and uses.The plane, artificial micro-structural place of array arrangement is parallel with magnetic direction with electromagnetic electric field, and is vertical with the incident electromagnetic wave direction of propagation.First substrate 10 in the ultra sheet of material 1 can be divided into a plurality of ultra material cell, wherein is placed with an artificial micro-structural on each ultra material cell.
Fig. 3 shows the structural representation (perspective view) of ultra sheet of material.Ultra sheet of material 1 comprises the plate shape substrates of two identical even uniform thickness: first substrate 10 that is oppositely arranged and second substrate 20, the artificial micro-structural 30 that is attached with array arrangement on the surface of second substrate 20 of said first substrate 10.Ultra sheet of material 1 can be divided into a plurality of ultra material cell, wherein is placed with a said artificial micro-structural on each ultra material cell.In an embodiment of the present invention, the length of each ultra material cell and wide be b=19mm.Here be that example describes with two substrates, but when actual design, also can only adopt first substrate, and artificial micro structure array be arranged on first substrate 10, can reach the object of the invention equally.
As shown in Figure 4, each artificial micro-structural 30 comprises square shape structure m and decussate texture p, and four corners of square shape structure m offer a breach respectively, and each indentation, there is provided with the outside U-shaped structure n of an opening.Four end points of decussate texture p overlap with the mid point of four length of sides of square shape structure m.The square shape structure is made up of four measure-alike wire m, and two adjacent wires are vertical each other, and two relative wires are parallel to each other.Each width wiry is f=0.2mm, and the distance between two relative wires is a=15.8mm.Decussate texture p is made up of two orthogonal wires, and width wiry is 0.2mm, and length is 15.8mm.The length of the ultra material cell at each artificial micro-structural 30 place and wide be b=19mm.The end points seamless link of U-shaped structure n and square shape structure m.
Arbitrary U-shaped structure n turn 90 degrees the back around the dextrorotation of the center of square shape structure and overlaps with clockwise adjacent U-shaped structure.U-shaped structure n on two relative turnings of square shape structure is about the center O symmetry of square shape structure.Arbitrary U-shaped structure n comprises two measure-alike and metal edges that is parallel to each other and the bases that connect two metal edges, and wherein the width on metal edges and base is 0.2mm, and the length of metal edges is c=3mm, and the length on base is w=1mm.
The thickness of first substrate 10 and second substrate 20 is 2mm, and the thickness of artificial micro-structural is 0.018mm.The numerical value here is merely example, in practical application, can adjust according to actual demand, and the present invention does not limit this.
In an embodiment of the present invention, first substrate 10 and second substrate 20 are made by F4B or FR4 composite material.Perhaps interconnect through the filling liquid raw substrate between first substrate 10 and second substrate 20 through assembling.Attached on first substrate 10, certain artificial micro-structural 30 also can adopt plating, bores quarter artificial micro-structural 30 through etched mode, photoetching, electronics is carved or ion quarter etc. mode attached on first substrate 10 or second substrate 20.First substrate 10 and second substrate 20 also can adopt other materials to process, and process such as pottery, polytetrafluoroethylene, ferroelectric material, ferrite material or ferromagnetic material.Artificial micro-structural 30 adopts copper cash to process, and can certainly adopt electric conducting materials such as silver-colored line, ITO, graphite or CNT to process.The radome of illustrating in the accompanying drawing be shaped as tabular; When actual design, also can come the shape of designing antenna cover according to the actual requirements; Such as being designed to spherical shape or with the shape (conformal radome) of antenna pattern coupling etc., the present invention does not limit this.
The S parameter of the ultra material radome of present embodiment is as shown in Figure 5 with the sketch map of frequency change, and S21 is 6.82-17.53GHz less than the band limits of 0.1dB, and frequency band surpasses 10GHz, has good wave penetrate capability.Near 5GHz and 22.5GHz, have band resistance characteristic, can be used as the selective filter function and use.Therefore radome provided by the invention also has filter function outside satisfying good wave penetrate capability, has reduced the filtering performance demand of antenna itself so to a great extent, has also just reduced the cost of antenna institute use filter simultaneously.
The present invention is through adhering to the artificial micro-structural of given shape on substrate, obtain the electromagnetic response that needs, makes that the wave penetrate capability based on the radome of ultra material strengthens the antijamming capability increase.Can be through regulating shape, the size of artificial micro-structural; Change relative dielectric constant, refractive index and the impedance of material; Thereby realize impedance matching with air; To increase the transmission of incident electromagnetic wave to greatest extent, reduced traditional antenna and be covered with the restriction of timing material thickness and dielectric constant.
Combine accompanying drawing that embodiments of the invention are described above; But the present invention is not limited to above-mentioned embodiment, and above-mentioned embodiment only is schematically, rather than restrictive; Those of ordinary skill in the art is under enlightenment of the present invention; Not breaking away under the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.
Claims (10)
1. the ultra material radome with filter function is characterized in that, comprises at least one ultra sheet of material, and each ultra sheet of material comprises first substrate and a plurality of artificial micro-structural of array arrangement on said first substrate; Each artificial micro-structural comprises square shape structure and decussate texture, and four corners of said square shape structure offer a breach respectively, and each indentation, there is provided with the outside U-shaped structure of an opening; Four end points of said decussate texture overlap with the mid point of four length of sides of said square shape structure.
2. ultra material radome according to claim 1 is characterized in that, each ultra sheet of material also comprises second substrate that is covered on said a plurality of artificial micro-structural.
3. ultra material radome according to claim 1 is characterized in that first substrate in the said ultra sheet of material can be divided into a plurality of ultra material cell, wherein is placed with a said artificial micro-structural on each ultra material cell.
4. ultra material radome according to claim 2 is characterized in that, the length of each ultra material cell and the wide 19mm that is.
5. ultra material radome according to claim 4 is characterized in that said square shape structure is made up of four measure-alike wires, and two adjacent one metal wires are vertical each other, and two relative one metal wires are parallel to each other.
6. ultra material radome according to claim 5 is characterized in that each width wiry is 0.2mm, and the distance between the two relative one metal wires is 15.8mm.
7. ultra material radome according to claim 1 is characterized in that, arbitrary U-shaped structure turn 90 degrees the back around the dextrorotation of the center of said square shape structure and overlaps with clockwise adjacent U-shaped structure.
8. ultra material radome according to claim 7 is characterized in that, the U-shaped structure on two relative turnings of said square shape structure is about the center symmetry of said square shape structure.
9. ultra material radome according to claim 8; It is characterized in that; Arbitrary U-shaped structure comprises two measure-alike and metal edges that is parallel to each other and the bases that connect said two metal edges; The width on wherein said metal edges and base is 0.2mm, and the length of said metal edges is 3mm, and the length on said base is 1mm.
10. ultra material radome according to claim 1 is characterized in that the width of said decussate texture is 0.2mm, and length is 15.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210066214XA CN102637950A (en) | 2012-05-22 | 2012-05-22 | Super-material antenna housing with filtering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210066214XA CN102637950A (en) | 2012-05-22 | 2012-05-22 | Super-material antenna housing with filtering function |
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| Publication Number | Publication Date |
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| CN102637950A true CN102637950A (en) | 2012-08-15 |
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| CN201210066214XA Pending CN102637950A (en) | 2012-05-22 | 2012-05-22 | Super-material antenna housing with filtering function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017114131A1 (en) * | 2015-12-31 | 2017-07-06 | 深圳光启高等理工研究院 | Metamaterial structure, radome and antenna system |
| CN108281798A (en) * | 2017-12-30 | 2018-07-13 | 天津大学 | A kind of cross two-dimensional left-handed material combined with hollow |
| CN108399053A (en) * | 2018-02-13 | 2018-08-14 | 常州信息职业技术学院 | A kind of print system and its working method based on Cloud Server function |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3334237B2 (en) * | 1993-03-26 | 2002-10-15 | 住友電気工業株式会社 | Multi frequency band radome |
| CN202487767U (en) * | 2012-02-29 | 2012-10-10 | 深圳光启创新技术有限公司 | Metamaterial antenna housing with wave filtering function |
-
2012
- 2012-05-22 CN CN201210066214XA patent/CN102637950A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3334237B2 (en) * | 1993-03-26 | 2002-10-15 | 住友電気工業株式会社 | Multi frequency band radome |
| CN202487767U (en) * | 2012-02-29 | 2012-10-10 | 深圳光启创新技术有限公司 | Metamaterial antenna housing with wave filtering function |
Non-Patent Citations (1)
| Title |
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| KAI-SHYUNG CHEN,.ETC: "Microstrip Antenna Gain Enhancement by Metamaterial Radome with More Subwavelength holes", 《2009 IEEE》, 7 November 2009 (2009-11-07) * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017114131A1 (en) * | 2015-12-31 | 2017-07-06 | 深圳光启高等理工研究院 | Metamaterial structure, radome and antenna system |
| CN106935970A (en) * | 2015-12-31 | 2017-07-07 | 深圳光启高等理工研究院 | Metamaterial structure, antenna house and antenna system |
| CN106935970B (en) * | 2015-12-31 | 2021-09-03 | 深圳光启高等理工研究院 | Metamaterial structure, radome, antenna system and method for forming sandwich structure |
| CN108281798A (en) * | 2017-12-30 | 2018-07-13 | 天津大学 | A kind of cross two-dimensional left-handed material combined with hollow |
| CN108399053A (en) * | 2018-02-13 | 2018-08-14 | 常州信息职业技术学院 | A kind of print system and its working method based on Cloud Server function |
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Application publication date: 20120815 |