CN102760966A - Wide-band high-wave transmission metamaterial, antenna housing thereof and antenna system - Google Patents
Wide-band high-wave transmission metamaterial, antenna housing thereof and antenna system Download PDFInfo
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- CN102760966A CN102760966A CN2012102262353A CN201210226235A CN102760966A CN 102760966 A CN102760966 A CN 102760966A CN 2012102262353 A CN2012102262353 A CN 2012102262353A CN 201210226235 A CN201210226235 A CN 201210226235A CN 102760966 A CN102760966 A CN 102760966A
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Abstract
The invention relates to a wide-band high-wave transmission metamaterial, an antenna housing thereof and an antenna system. The wide-band high-wave transmission metamaterial comprises at least one metamaterial sheet layer, wherein each metamaterial sheet layer comprises a first substrate and plurality of artificial microstructures, the artificial microstructures are distributed on the first substrate in an array way and in a structure shaped like a Chinese character 'tian', and the center position of the structure shaped like the Chinese character 'tian' is provided with a notch. In the invention, needed electromagnetic response is obtained by adhering the artificial microstructures with specific shapes on the first substrate, and therefore, the wave transmission performance of the antenna housing based on the wide-band high-wave transmission metamaterial is enhanced and the antijamming capability is increased; the wide-band high-wave transmission metamaterial, the antenna housing thereof and the antenna system have the advantages of wider working frequency band, very high wave transmission efficiency and less loss; and the requirements for high frequency, wide band and high wave transmission are met.
Description
Technical field
The present invention relates to electromagnetic wave transparent material, more particularly, relate to the high ultra material of ripple and radome and the antenna system of passing through of wideband.
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, and difficulty reaches the high ripple requirement of passing through.And the working frequency range of radome is narrower, under different frequency range demands, needs to change radome, can't realize the repeated use of resource, causes the waste of resource and the raising of equipment cost.
Summary of the invention
The technical problem that the present invention will solve is, to the defective that above-mentioned wave penetrate capability is relatively poor and working frequency range is narrower of prior art, provides a kind of wideband high ultra material radome of ripple and the antenna system of passing through.
The technical solution adopted for the present invention to solve the technical problems is: construct the high ultra material of ripple that passes through of a kind of wideband, 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; Said artificial micro-structural is the matrix pattern structure, and the center of said matrix pattern structure offers breach.
In the ultra material of broadband 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 the ultra material of broadband 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 of broadband of the present invention, the length of each ultra material cell and the wide 2.5mm that is.
In the ultra material of broadband of the present invention, each length of side of said matrix pattern structure equates.
In the ultra material of broadband of the present invention, the length of side of said matrix pattern structure is 2.2 ~ 2.5mm.
In the ultra material of broadband of the present invention, said matrix pattern structure is made up of metal wire.
In the ultra material of broadband of the present invention, the live width of said metal wire is 0.1 ~ 0.2mm.
In the ultra material of broadband of the present invention, the beeline on one side of said breach and said matrix pattern structure is 0.7 ~ 0.9mm.
The high ultra material radome of ripple that passes through of also a kind of wideband of the present invention is used to be located at antenna body, comprises the high ultra material of ripple that passes through of aforesaid wideband.
The present invention also provides a kind of antenna system, comprises the high ultra material radome of ripple that passes through of antenna body and aforesaid wideband, and the high ultra material radome of ripple that passes through of said wideband covers on the antenna body.
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.The high working band broad that passes through the ultra material of ripple and radome and antenna system of wideband of the present invention, and it is very high to pass through weave efficiency, and loss is less, has satisfied high frequency, broadband, high demand of passing through ripple.
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 high structural representation that passes through a ultra sheet of material of the ultra material of ripple of wideband according to one embodiment of the invention;
Fig. 2 piles up the high structural representation that passes through the ultra material of ripple of the wideband 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 arranging of artificial micro-structural;
Fig. 5 is the sketch map of artificial micro-structural;
Fig. 6 ~ 7th, the S parameter sketch map of ultra material radome.
Fig. 8 is the high S21 comparative bid parameter that passes through ultra material radome of ripple and traditional antenna cover of wideband.
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 the high ultra material of ripple that passes through of a kind of wideband, 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, 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.The quantity of the ultra material cell shown in the figure is merely signal, for the arrangement mode of artificial micro-structural is described, the quantity of ultra material cell is not limited, and can confirm the size of radome according to actual needs, thereby confirm the quantity of ultra material cell.
Shown in Fig. 4-5, the length of each ultra material cell and the wide a=2.5mm that is.Each artificial micro-structural 30 is the matrix pattern structure, and the center of said matrix pattern structure offers breach 31.In an embodiment of the present invention, each length of side of said matrix pattern structure equates.The side length b of said matrix pattern structure=2.2 ~ 2.5mm.The matrix pattern structure can be made up of metal wire, and live width can be arranged between 0.1 ~ 0.2mm.Beeline c=0.7 ~ the 0.9mm on one side of breach 31 and matrix pattern structure.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 high tabular that is shaped as of passing through the ultra material of ripple of the wideband of illustrating in the accompanying drawing; When actual design, also can design the high shape of passing through the ultra material of ripple of wideband according to the actual requirements; Such as the shape (conformal radome) that can be designed to spherical shape or mate with antenna pattern when being applied to radome etc., the present invention does not limit this.
Shown in Fig. 6 ~ 7, used first substrate 10 and second substrate 20 are the F4B composite material to the S parameter that the wideband of present embodiment is high to pass through the ultra material of ripple with the sketch map of frequency change.The S21 parameter enlarged drawing of the 25.425 ~ 43.678GHz scope among Fig. 6 is seen Fig. 7.Can see that by Fig. 6 ~ 7 S21 parameter of the present invention all demonstrates good wave penetrate capability in the 25-45GHz scope.In 26 ~ 43GHz scope, all greater than-0.09dB, its bandwidth reaches 17GHz to transmission coefficient S21 basically, and S21 has reached 17.5GHz especially greater than the bandwidth of-0.1dB, demonstrates high frequency, broadband, high characteristic of passing through ripple.When frequency was 26GHz, corresponding S21 parameter was-0.092041dB; When frequency was 25.933GHz, corresponding S21 parameter was-0.1dB; When frequency was 43GHz, corresponding S21 parameter was-0.064703; When frequency was 43.421GHz, corresponding S21 parameter was-0.1dB.Adopt the high ultra material of ripple that passes through of wideband of the present invention to have good wave penetrate capability, loss is less, can be used as the material such as but not limited to the protective cover of 35GHz radio antenna.
Therefore; The present invention also provides a kind of wideband the high ultra material radome of ripple that passes through, and the high ultra material of ripple that passes through of this radome wideband is by mentioned earlier processed, and is used to cover at antenna body; When antenna body is played a protective role, guarantee that antenna is in the working frequency range operate as normal.
The application performance of radome of the present invention on antenna radome of the present invention and traditional prefect dielectric plate (F4B) radome are compared test in order better to explain.The test result that obtains is that as shown in Figure 8, the S21 parameter of ultra material radome of the present invention basically all greater than traditional antenna cover parameter, that is to say that wave penetrate capability of the present invention is superior to the wave penetrate capability of traditional prefect dielectric plate radome in the 25-45GHz scope.
The present invention also provides a kind of antenna system, comprises antenna body, and the high ultra material radome of ripple that passes through of wideband as indicated above, and the high ultra material radome of ripple that passes through of wideband covers on the antenna body.Antenna body comprises radiation source, feed element etc., and concrete formation can be consulted the correlation technique data, and the present invention does not limit this.Antenna body can be such as but not limited to plate aerial.
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.And the working band broad of radome of the present invention, and it is very high to pass through weave efficiency, and loss is less, is fit to be used as high frequency, broadband, the high wave antenna cover that passes through.
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 high ultra material of ripple that passes through of wideband is characterized in that 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; Said artificial micro-structural is the matrix pattern structure, and the center of said matrix pattern structure offers breach.
2. the ultra material radome of broadband 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. the high ultra material of ripple that passes through of wideband 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. the high ultra material of ripple that passes through of wideband according to claim 3 is characterized in that the length of each ultra material cell and the wide 2.5mm that is.
5. the high ultra material of ripple that passes through of wideband according to claim 4 is characterized in that each length of side of said matrix pattern structure equates.
6. the high ultra material of ripple that passes through of wideband according to claim 5 is characterized in that the length of side of said matrix pattern structure is 2.2 ~ 2.5mm.
7. the high ultra material of ripple that passes through of wideband according to claim 1 is characterized in that said matrix pattern structure is made up of metal wire.
8. the high ultra material of ripple that passes through of wideband according to claim 7 is characterized in that the live width of said metal wire is 0.1 ~ 0.2mm.
9. the high ultra material radome of ripple that passes through of wideband is characterized in that, is used to be located at antenna body, comprises like the high ultra material of ripple that passes through of each described wideband of claim 1 ~ 8.
10. an antenna system is characterized in that, comprises the high ultra material radome of ripple that passes through of antenna body and wideband as claimed in claim 9, and the high ultra material radome of ripple that passes through of said wideband covers on the antenna body.
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| CN201210226235.3A CN102760966B (en) | 2012-07-03 | 2012-07-03 | Wide-band high-wave transmission metamaterial, antenna housing thereof and antenna system |
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| CN201210226235.3A CN102760966B (en) | 2012-07-03 | 2012-07-03 | Wide-band high-wave transmission metamaterial, antenna housing thereof and antenna system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887609A (en) * | 2014-03-12 | 2014-06-25 | 清华大学 | Plane reflection array antenna |
| CN103984047A (en) * | 2014-05-30 | 2014-08-13 | 电子科技大学 | Infrared metamaterial wave absorbing body |
| CN104409848A (en) * | 2014-11-27 | 2015-03-11 | 张永超 | Novel antenna cover |
| CN104409846A (en) * | 2014-11-27 | 2015-03-11 | 张永超 | Wave transmission metamaterial antenna cover |
| CN104466386A (en) * | 2014-11-27 | 2015-03-25 | 张永超 | Low-loss metamaterial antenna housing |
| CN104466385A (en) * | 2014-11-27 | 2015-03-25 | 张永超 | Novel antenna housing with high wave transmittance |
| CN107331970A (en) * | 2017-06-30 | 2017-11-07 | 东南大学 | A kind of super surface of two waveband high wave transmission rate |
| CN108258432A (en) * | 2017-12-30 | 2018-07-06 | 天津大学 | A kind of two-dimensional left-handed material of matrix pattern |
| CN111224222A (en) * | 2020-02-28 | 2020-06-02 | Oppo广东移动通信有限公司 | Electronic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100225563A1 (en) * | 2009-03-04 | 2010-09-09 | Industrial Technology Research Institute | Dual polarization antenna structure, radome and design method thereof |
| CN102479994A (en) * | 2011-10-31 | 2012-05-30 | 深圳光启高等理工研究院 | Metamaterial antenna housing |
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2012
- 2012-07-03 CN CN201210226235.3A patent/CN102760966B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100225563A1 (en) * | 2009-03-04 | 2010-09-09 | Industrial Technology Research Institute | Dual polarization antenna structure, radome and design method thereof |
| CN102479994A (en) * | 2011-10-31 | 2012-05-30 | 深圳光启高等理工研究院 | Metamaterial antenna housing |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887609A (en) * | 2014-03-12 | 2014-06-25 | 清华大学 | Plane reflection array antenna |
| CN103887609B (en) * | 2014-03-12 | 2016-03-23 | 清华大学 | planar reflectarray antenna |
| CN103984047A (en) * | 2014-05-30 | 2014-08-13 | 电子科技大学 | Infrared metamaterial wave absorbing body |
| CN103984047B (en) * | 2014-05-30 | 2016-01-20 | 电子科技大学 | A kind of infrared excess material wave-absorber |
| CN104409848A (en) * | 2014-11-27 | 2015-03-11 | 张永超 | Novel antenna cover |
| CN104409846A (en) * | 2014-11-27 | 2015-03-11 | 张永超 | Wave transmission metamaterial antenna cover |
| CN104466386A (en) * | 2014-11-27 | 2015-03-25 | 张永超 | Low-loss metamaterial antenna housing |
| CN104466385A (en) * | 2014-11-27 | 2015-03-25 | 张永超 | Novel antenna housing with high wave transmittance |
| CN107331970A (en) * | 2017-06-30 | 2017-11-07 | 东南大学 | A kind of super surface of two waveband high wave transmission rate |
| CN108258432A (en) * | 2017-12-30 | 2018-07-06 | 天津大学 | A kind of two-dimensional left-handed material of matrix pattern |
| CN111224222A (en) * | 2020-02-28 | 2020-06-02 | Oppo广东移动通信有限公司 | Electronic device |
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| CN102760966B (en) | 2014-06-04 |
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Effective date of registration: 20210805 Address after: 2 / F, software building, No.9, Gaoxin Zhongyi Road, Nanshan District, Shenzhen City, Guangdong Province Patentee after: KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY Address before: 18B, building a, CIC international business center, 1061 Xiangmei Road, Futian District, Shenzhen, Guangdong 518034 Patentee before: KUANG-CHI INNOVATIVE TECHNOLOGY Ltd. |