CN102760962B - Wideband wave-transmitting metamaterial, and antenna housing and antenna system formed by same - Google Patents
Wideband wave-transmitting metamaterial, and antenna housing and antenna system formed by same Download PDFInfo
- Publication number
- CN102760962B CN102760962B CN201210226210.3A CN201210226210A CN102760962B CN 102760962 B CN102760962 B CN 102760962B CN 201210226210 A CN201210226210 A CN 201210226210A CN 102760962 B CN102760962 B CN 102760962B
- Authority
- CN
- China
- Prior art keywords
- substrate
- meta materials
- antenna
- wave transparent
- square
- 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.)
- Active
Links
Landscapes
- Details Of Aerials (AREA)
Abstract
The invention relates to a wideband wave-transmitting metamaterial, and an antenna housing and an antenna system formed by the same. The wideband wave-transmitting metamaterial comprises a first base plate and a second base plate, a square ring structure is sandwiched between the first base plate and the second base plate, and square patches are arranged on the external surface of the first base plate and the external surface of the second base plate in array form. The wideband wave-transmitting metamaterial and the antenna housing provided by the invention both have very high wave-transmitting efficiency in the wideband of 6-18GHz, and smaller loss.
Description
Technical field
The present invention relates to electromagnetic wave transparent material, more particularly, relate to wideband wave transparent Meta Materials and radome thereof and antenna system.
Background technology
Meta Materials, is commonly called as Meta Materials, is a kind of novel artificial synthetic material, be the substrate be made up of nonmetallic materials and attachment on the surface of the substrate or the multiple man-made microstructure being embedded in substrate inside form.Substrate can be divided into multiple base board units of rectangular array arrangement virtually, each base board unit is attached with man-made microstructure, thus form a metamaterial unit, whole Meta Materials is made up of much such metamaterial unit, just as crystal is made up of according to certain arrangement countless lattices.Man-made microstructure in each metamaterial unit can be identical or incomplete same.What man-made microstructure was made up of wire has certain geometric plane or stereochemical structure, such as, form annular, I-shaped wire etc.
Due to the existence of man-made microstructure, each metamaterial unit has the electromagnetic property being different from substrate itself, and the Meta Materials that therefore all metamaterial unit are formed presents special response characteristic to Electric and magnetic fields; By designing different concrete structures and shape to man-made microstructure, the response characteristic of whole Meta Materials can be changed.
Generally, antenna system all can be provided with radome.The object of radome protects antenna system from the impact of wind and rain, ice and snow, sand and dust and solar radiation etc., makes antenna system service behaviour more stable, reliable.Alleviate the wearing and tearing of antenna system, corrosion and aging simultaneously, increase the service life.But radome is the barrier before antenna, can produces aerial radiation ripple and absorb and reflection, change the free space Energy distribution of antenna, and affect the electric property of antenna to a certain extent.
Prepare material many employings dielectric constant of radome and loss angle tangent is low, mechanical strength is high material at present, as fiberglass, epoxy resin, high molecular polymer etc., the dielectric constant of material has unadjustable property.Structure mostly is uniform single walled structure, sandwich and spatial skeleton structure etc., 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, more difficultly reaches high wave transparent requirement; And the working frequency range of radome is narrower, needs to change radome under different frequency range demands, reusing of resource cannot be realized, cause the waste of resource and the raising of equipment cost.
Summary of the invention
The technical problem to be solved in the present invention is, for the defect that above-mentioned wave penetrate capability is poor, working frequency range is narrower of prior art, provides a kind of wideband wave transparent Meta Materials and radome thereof and antenna system.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of wideband wave transparent Meta Materials, comprise first substrate and second substrate, be folded with the square ring structure of one deck array arrangement between first substrate and second substrate, the outer surface of first substrate and the outer surface array arrangement of second substrate have square patch.
In wideband wave transparent Meta Materials of the present invention, on the outer surface of first substrate, on the square patch of array arrangement and the outer surface of second substrate, the shape and size of the square patch of array arrangement are identical.
In wideband wave transparent Meta Materials of the present invention, described wideband wave transparent Meta Materials can be divided into multiple metamaterial unit, each metamaterial unit comprises first substrate unit, second substrate unit, also comprise be arranged in first substrate unit outer surface successively, between first substrate unit and second substrate unit, the square patch of second substrate unit outer surface, square ring structure, square patch.
In wideband wave transparent Meta Materials of the present invention, described square patch comprises four measure-alike square sub-pasters, and four square sub-pasters are arranged on four end angle places of first substrate unit and second substrate unit.
In wideband wave transparent Meta Materials of the present invention, described square sub-paster is close to the border at the end angle of first substrate unit and second substrate unit.
In wideband wave transparent Meta Materials of the present invention, described side's ring structure is close to the border of described metamaterial unit.
In wideband wave transparent Meta Materials of the present invention, the length of described metamaterial unit and be widely 8mm.
In wideband wave transparent Meta Materials of the present invention, square sub-paster is square patch, and the length of side is 2mm.
In wideband wave transparent Meta Materials of the present invention, described first substrate and second substrate by dielectric constant be 2.65, loss tangent be 0.001 material make.
The present invention also provides a kind of radome, for being located at antenna, comprises wideband wave transparent Meta Materials as above.
The present invention also provides a kind of antenna system, and comprise antenna and radome as above, described radome covers on antenna.
Implement technical scheme of the present invention, have following beneficial effect: by adhering to the man-made microstructure of given shape on substrate, obtain the electromagnetic response needed, the wave penetrate capability based on the radome of Meta Materials is strengthened, antijamming capability increases.Can by regulating shape, the size of man-made microstructure, change the relative dielectric constant of material, refractive index and impedance, thus realize the impedance matching with air, to increase the transmission of incident electromagnetic wave to greatest extent, decrease the restriction to material thickness and dielectric constant when traditional antenna cover designs.Wideband wave transparent Meta Materials of the present invention and the wave transmission efficiency of radome in 6-18GHz frequency band very high, loss is less.After antenna adds radome, the radianting capacity of antenna obtains reinforcement, effectively improves gain, and radiation directivity strengthens.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of each part of the wideband wave transparent Meta Materials of foundation one embodiment of the invention;
Fig. 2 is the structural representation of the metamaterial unit according to one embodiment of the invention;
The schematic diagram of Fig. 3 side of being ring structure;
Fig. 4 is the structural representation of square patch;
Fig. 5 is the arrangement schematic diagram of square patch 11 at first substrate 10 outer surface;
Fig. 6 side of being ring structure 22 is folded in the arrangement schematic diagram between first substrate 10 and second substrate 20;
Fig. 7 is the arrangement schematic diagram of square patch 33 at second substrate 20 outer surface;
Fig. 8 is the schematic diagram of S parameter with frequency change of the wideband wave transparent Meta Materials of foundation one embodiment of the invention.
Embodiment
Meta Materials is a kind of artificial composite structure material with extraordinary physical property not available for natural material, by the ordered arrangement to micro-structural, can change relative dielectric constant and the magnetic permeability of in space often.Meta Materials can realize refractive index that common material cannot possess, impedance and wave penetrate capability within the specific limits, thus can effectively control electromagnetic wave propagation characteristic.Wideband wave transparent Meta Materials based on man-made microstructure can by regulating shape, the size of man-made microstructure, change the relative dielectric constant of material, refractive index and impedance, thus realize the impedance matching with air, to increase the transmission of incident electromagnetic wave to greatest extent.And by regulating microstructure size to carry out He Ne laser, adjust corresponding wave transparent and frequency filtering as required.
Fig. 1 is the structural representation of each part of the wideband wave transparent Meta Materials of foundation one embodiment of the invention.In order to be clearly shown that each part, Fig. 1 illustrates with the form of explosive view.As shown in Figure 1, wideband wave transparent Meta Materials 1 comprises first substrate 10 and second substrate 20, be folded with the square ring structure 22 of one deck array arrangement between first substrate 10 and second substrate 20, the outer surface of first substrate 10 and the outer surface array arrangement of second substrate 20 have square patch 11,33.
In an embodiment of the present invention, on the outer surface of first substrate 10, on the square patch 11 of array arrangement and the outer surface of second substrate 20, the shape and size of the square patch 33 of array arrangement are identical.
In the present invention, in order to clearly describe the arrangement mode of square patch and square ring structure, wideband wave transparent Meta Materials is virtually divided into multiple metamaterial unit 100, as shown in Figure 2, each metamaterial unit 100 comprises first substrate unit 101, second substrate unit 201, also comprise be arranged in first substrate unit 101 outer surface successively, between first substrate unit 101 and second substrate unit 201, the square patch 11 of second substrate unit 201 outer surface, square ring structure 22, square patch 33.Here square patch and square ring structure can be referred to as man-made microstructure.In an embodiment of the present invention, the length of metamaterial unit and wide be 8mm, also namely first substrate unit 101 and second substrate unit 201 length and wide be 8mm.In order to illustrate conveniently in figure, only divide 9 metamaterial unit, see that shown in dotted line division, division is here only signal, not as limitation of the present invention.The man-made microstructure place plane of array arrangement is parallel with electromagnetic Electric and magnetic fields direction, vertical with incoming electromagnetic direction of wave travel.
Side's ring structure 22 is square circulus, as shown in Figure 3, be close to the border of metamaterial unit 100, i.e. length of side a and the first substrate unit 101 of square ring structure 22 and the length of second substrate unit 201 and wide equal, with the length of metamaterial unit and wide equal, can be 8mm.
In an embodiment of the present invention, square patch 11,33 comprises four measure-alike square sub-pasters 111, and as shown in Figure 4, four square sub-pasters 111 are arranged on four end angle places of first substrate unit 101 and second substrate unit 201.Square sub-paster 111 is close to the border at the end angle of first substrate unit 101 and second substrate unit 201.In an embodiment of the present invention, square sub-paster 111 is square patch, and side length b is 2mm.
In the present invention, the thickness of first substrate 10 and second substrate 20 is 1.2mm.The thickness of square patch 11,33 and square ring structure 22 is 0.018mm.Square patch 11,33 is metal patch, and square ring structure 22 is made up of metal wire, such as, can be the metal such as copper, silver.The metal wire live width w of side's ring structure 22 is 0.05mm.
Fig. 5 is the arrangement schematic diagram of square patch 11 at first substrate 10 outer surface; Fig. 6 side of being ring structure 22 is folded in the arrangement schematic diagram between first substrate 10 and second substrate 20; Fig. 7 is the arrangement schematic diagram of square patch 11 on second substrate 20 outer surface.
In the present invention, substrate selects relative dielectric constant to be 2.65, and loss angle tangent is the material of 0.001.In a preferred embodiment, first substrate 10 and second substrate 20 are F4B material.First substrate 10 and second substrate 20 are by filling liquid raw substrate or interconnected by assembling.Man-made microstructure (square patch 11,33, side's ring structure 22) logical overetched mode is attached on first substrate 10 and second substrate 20, and the modes such as certain man-made microstructure also can adopt plating, bores quarter, photoetching, electronics quarter or ion quarter are attached to substrate.Man-made microstructure adopts copper cash to make, and the electric conducting materials such as silver-colored line, ITO, graphite or carbon nano-tube can certainly be adopted to make.The shape of the wideband wave transparent Meta Materials illustrated in accompanying drawing is tabular, also the shape of wideband wave transparent Meta Materials can be designed according to the actual requirements when actual design, the shape (conformal radome) etc. that can be designed to spherical shape when being such as used as radome or mate with antenna pattern, also do not get rid of the shape using multiple plate-like structure to be spliced into needs, the present invention is not restricted this.
The S parameter of wideband wave transparent Meta Materials of the present invention with frequency change schematic diagram as shown in Figure 8, first substrate 10 and second substrate 20 select relative dielectric constant to be 2.65, and loss angle tangent is the material of 0.001, such as, choose F4B material.As shown in Figure 8, the wave penetrate capability of wideband wave transparent Meta Materials of the present invention in wider frequency band such as 6 ~ 18GHz frequency band is all fine, and wave transparent coefficient S 21 is close to 1, and reflection coefficient S11 is very little, there is good wave transmission effect, there is low side surface, the advantage that passband is smooth.And transmission coefficient S21 beyond 6 ~ 18GHz in frequency range is very little, reflection coefficient S11 is very large, this just make useful frequency range through, realize selectivity wave transparent, there is good frequency selective characteristic.Regulate square patch 11,33, the concrete size of square ring structure 22, can change the passband frequency range of wave transparent, can adjust the size of man-made microstructure according to actual needs.
The present invention also provides a kind of radome, for being located at antenna, comprises wideband wave transparent Meta Materials as above.Radome can be made conformal special shape, make the electromagnetic scattering being irradiated to radome to other directions, not only substantially reduce the outer clutter of frequency band to the interference of electric equipment, and the outer scattering section of the band effectively reducing antenna system, be therefore applicable to very much being applied to radar antenna.
The present invention also provides a kind of antenna system, and comprise antenna and radome as above, radome covers on antenna.Antenna comprises radiation source, feed element etc., and concrete formation can consult correlation technique data, and the present invention is not restricted this.Antenna can be such as but not limited to plate aerial.
The present invention, by adhering to the man-made microstructure of given shape on substrate, obtains the electromagnetic response needed, the wave penetrate capability based on the radome of Meta Materials is strengthened, and antijamming capability increases.Can by regulating shape, the size of man-made microstructure, change the relative dielectric constant of material, refractive index and impedance, thus realize the impedance matching with air, to increase the transmission of incident electromagnetic wave to greatest extent, decrease the restriction to material thickness and dielectric constant when traditional antenna cover designs.And wideband wave transparent Meta Materials of the present invention and the wave transmission efficiency of radome in 6 ~ 18GHz frequency band very high, loss is less, and has selectivity wave transparent function.
By reference to the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, also can make a lot of form, these all belong within protection of the present invention.
Claims (7)
1. a wideband wave transparent Meta Materials, it is characterized in that, described wideband wave transparent Meta Materials can be divided into multiple metamaterial unit, each metamaterial unit comprises first substrate unit, second substrate unit, also comprise and be arranged in first substrate unit outer surface successively, between first substrate unit and second substrate unit, the square patch of second substrate unit outer surface, side's ring structure, square patch, on the outer surface of first substrate, on the square patch of array arrangement and the outer surface of second substrate, the shape and size of the square patch of array arrangement are identical, described square patch comprises four measure-alike square sub-pasters, four square sub-pasters are arranged on four end angle places of first substrate unit and second substrate unit.
2. wideband wave transparent Meta Materials according to claim 1, is characterized in that, described square sub-paster is close to the border at the end angle of first substrate unit and second substrate unit.
3. wideband wave transparent Meta Materials according to claim 1, it is characterized in that, described side's ring structure is close to the border of described metamaterial unit.
4. wideband wave transparent Meta Materials according to claim 3, is characterized in that, the length of described metamaterial unit and be widely 8mm.
5. wideband wave transparent Meta Materials according to claim 4, is characterized in that, square sub-paster is square patch, and the length of side is 2mm.
6. a radome, is characterized in that, for being located at antenna, comprises the wideband wave transparent Meta Materials as described in any one of Claims 1 to 5.
7. an antenna system, is characterized in that, comprise antenna and radome as claimed in claim 6, described radome covers on antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210226210.3A CN102760962B (en) | 2012-07-03 | 2012-07-03 | Wideband wave-transmitting metamaterial, and antenna housing and antenna system formed by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210226210.3A CN102760962B (en) | 2012-07-03 | 2012-07-03 | Wideband wave-transmitting metamaterial, and antenna housing and antenna system formed by same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102760962A CN102760962A (en) | 2012-10-31 |
| CN102760962B true CN102760962B (en) | 2015-03-11 |
Family
ID=47055332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210226210.3A Active CN102760962B (en) | 2012-07-03 | 2012-07-03 | Wideband wave-transmitting metamaterial, and antenna housing and antenna system formed by same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102760962B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103715513B (en) * | 2014-01-17 | 2016-03-30 | 中国科学院光电技术研究所 | A kind of wideband wave absorbing material based on second wavelength metallic structure |
| CN104934705B (en) * | 2014-03-18 | 2024-02-02 | 深圳光启高等理工研究院 | Bandpass filtering metamaterial, radome and antenna system |
| CN107240778B (en) * | 2017-06-21 | 2020-05-12 | 中国人民解放军空军工程大学 | Metamaterial antenna housing |
| CN107453051A (en) * | 2017-07-06 | 2017-12-08 | 南京航空航天大学 | Antenna and its performance implementation method based on imperfect frequency-selective surfaces |
| CN110416739B (en) * | 2019-08-05 | 2021-09-28 | Oppo广东移动通信有限公司 | Shell assembly and mobile terminal |
| CN110768027B (en) * | 2019-10-28 | 2020-08-04 | 西南交通大学 | Broadband low-RCS wide-angle scanning phased array antenna |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5208603A (en) * | 1990-06-15 | 1993-05-04 | The Boeing Company | Frequency selective surface (FSS) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7639206B2 (en) * | 2008-05-05 | 2009-12-29 | University Of Central Florida Research Foundation, Inc. | Low-profile frequency selective surface based device and methods of making the same |
-
2012
- 2012-07-03 CN CN201210226210.3A patent/CN102760962B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5208603A (en) * | 1990-06-15 | 1993-05-04 | The Boeing Company | Frequency selective surface (FSS) |
Non-Patent Citations (1)
| Title |
|---|
| Electromagnetic wave transmission through subwavelength metallic meshes sandwiched between split rings;Bo Hou等;《APPLIED PHYSICS LETTERS》;20051231(第87期);正文第1页，图1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102760962A (en) | 2012-10-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102760966B (en) | Wide-band high-wave transmission metamaterial, antenna housing thereof and antenna system | |
| CN102760962B (en) | Wideband wave-transmitting metamaterial, and antenna housing and antenna system formed by same | |
| CN102760965B (en) | Large-angle wave-transmitting metamaterial, antenna housing thereof and antenna system | |
| CN103296409A (en) | Broadband metamaterial antenna housing and antenna system | |
| CN102694255B (en) | Meta-material microwave antenna housing and antenna system | |
| CN102769160B (en) | Dual-passband electromagnetic wave transparent material and radome thereof and antenna system | |
| CN103367909B (en) | microwave antenna cover and microwave antenna system | |
| CN102683842A (en) | Metamaterial microwave antenna cover and antenna system | |
| CN102760964A (en) | Wave-transmitting meta-material and antenna cover and antenna system with material | |
| CN102723598B (en) | Metamaterial microwave antenna cover and antenna system | |
| CN102842758A (en) | Radome material and radome and antenna system adopting same | |
| CN103367911A (en) | Metamaterial base station antenna housing and antenna system | |
| CN102760963B (en) | Broadband wave-transmitting meta-material and antenna cover and antenna system with material | |
| CN103296419A (en) | Broadband metamaterial antenna housing and antenna system | |
| CN103296408A (en) | Metamaterial radome with smoothing function and antenna | |
| CN202487770U (en) | Wide-band metamaterial antenna housing and antenna system | |
| CN103579773A (en) | Metamaterial, radome with same and antenna system | |
| CN103682614A (en) | Broadband wave-transmitting material, and antenna housing and antenna system thereof | |
| CN202662803U (en) | Broadband high-wave transmission metamaterial antenna housing and antenna system | |
| CN103296401A (en) | Low-loss metamaterial antenna housing | |
| CN102769202B (en) | Dual-frequency band-pass wave-transmitting material, antenna housing made of dual-frequency band-pass wave-transmitting material and antenna system comprising antenna housing | |
| CN102856661B (en) | Bandpass wave-transmitting material and antenna housing and antenna system | |
| CN104409846A (en) | Wave transmission metamaterial antenna cover | |
| CN102769201B (en) | Double frequency band-pass electromagnetic wave transparent material and antenna house thereof and antenna system | |
| CN202487767U (en) | Metamaterial antenna housing with wave filtering function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151125 Address after: 518057, Nanshan District hi tech Zone, central high tech 9, a software building No. 2, building on the ground floor, Shenzhen Patentee after: Shenzhen Guangqi Innovative Technology Co., Ltd. Address before: 518034 A international business center, No. 1061, Xiang Mei Road, Guangdong, Shenzhen, Futian District, China 18B Patentee before: Shenzhen Kuang-Chi Innovation Technology Co., Ltd. |