CN106058457A - Ultra-thin low-pass and frequency-selective metamaterial wave-transparent radome and antenna system thereof - Google Patents
Ultra-thin low-pass and frequency-selective metamaterial wave-transparent radome and antenna system thereof Download PDFInfo
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- CN106058457A CN106058457A CN201610316310.3A CN201610316310A CN106058457A CN 106058457 A CN106058457 A CN 106058457A CN 201610316310 A CN201610316310 A CN 201610316310A CN 106058457 A CN106058457 A CN 106058457A
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- shaped structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
- H01Q1/422—Housings not intimately mechanically associated with radiating elements, e.g. radome comprising two or more layers of dielectric material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
- H01Q15/0013—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
- H01Q15/0086—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices having materials with a synthesized negative refractive index, e.g. metamaterials or left-handed materials
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Abstract
The invention discloses an ultra-thin low-pass and frequency-selective metamaterial wave-transparent radome and an antenna system thereof. The ultra-thin low-pass and frequency-selective metamaterial wave-transparent radome includes at least one metamaterial sheet layer which includes a first substrate and a plurality of artificial microstructures which are in array arrangement on the first substrate; each artificial microstructure includes a first H-shaped structure layer, a second H-shaped structure layer and a cross-shaped structure layer, and the first H-shaped structure layer and the second H-shaped structure layer have the same structure, and the cross-shaped structure layer is arranged between the first H-shaped structure layer and the second H-shaped structure layer; the first H-shaped structure layer and the second H-shaped structure layer have middle parts which are of wire duct structures, and the connecting parts in the middle parts are square chip capacitors, and the chip capacitor is connected with and conducted to a metal part. According to the invention, the radome has excellent wave-transparent properties through special structure configuration, and the antenna has a small thickness which greatly reduces the weight of the radome for low frequency antenna and increases competitiveness under relevant applications. The radome can also realize frequency selection, increases invisibility property of the radome and an antenna device system.
Description
Technical field
The present invention relates to a kind of antenna house, more particularly, it relates to a kind of ultra-thin low passband selects Meta Materials wave transparent antenna house
And antenna system.
Background technology
Meta Materials, is commonly called as Meta Materials, is a kind of novel artificial synthetic material, the substrate being made up of nonmetallic materials and attached
On the surface of the substrate or be embedded in what the multiple man-made microstructure within substrate were constituted.Substrate can be virtually divided into rectangle
Multiple base board units of array arrangement, each base board unit are attached with man-made microstructure, thus form a metamaterial unit,
Whole Meta Materials is made up of a lot of such metamaterial unit, just as crystal is according to certain arrangement by countless lattices
Constitute.Man-made microstructure in each metamaterial unit can be identical or incomplete same.Man-made microstructure is by metal
What silk formed has certain geometric plane or stereochemical structure, such as, form annular, I-shaped tinsel etc..
Due to the existence of man-made microstructure, each metamaterial unit has the electromagnetic property being different from substrate itself, therefore
The Meta Materials that all of metamaterial unit is constituted presents special response characteristic to electric field and magnetic field；By to man-made microstructure
Design different concrete structures and shape, thus it is possible to vary the response characteristic of whole Meta Materials.
In general, illustrate such as: after traditional sucrose material is filled in waveguide, owing to transmitting the change of wave number, can be by wave number
Determined by the physical dimension of waveguide again, so, second highest the mould even interference of higher mode can be produced after waveguide filled media.Again
It, after filled media, due to not mating of impedance, it will producing echo, this is particularly evident in HIGH-POWERED MICROWAVES system.
For the antenna of low-frequency range work, in order to protect antenna not affected its performance by the adverse circumstances such as sleet, strong wind, past
Toward needing antenna protection with antenna house, owing to Antenna Operation is in relatively low-frequency range, in order to ensure its wave transparent performance, typically will
Antenna house thickness is designed as the 1/2 of Antenna Operation band wavelength, and as at 2.4GHz, antenna operating wavelength is about 150mm, antenna house
Thickness is about 75mm, and bigger thickness makes antenna house weight very big, causes antenna to be covered with relatively costly, the bigger inconvenience of weight
In shortcomings such as transports.Specifically use under environment at some, need antenna house having outside preferable wave transparent performance, in addition it is also necessary to sky
Irdome has lighter weight, and traditional antenna cover is the most inapplicable with such environment.
Summary of the invention
It is an object of the invention to provide a kind of ultra-thin low passband and select Meta Materials wave transparent antenna house and antenna system thereof, to solve
At least one aspect of the problems referred to above.
According to an aspect of the present invention, it is provided that a kind of ultra-thin low passband selects Meta Materials wave transparent antenna house and antenna system thereof,
Including at least one metamaterial sheet, each metamaterial sheet includes that first substrate and array arrangement are on described first substrate
Multiple man-made microstructure；Described man-made microstructure includes the first I-shaped structure layer, the second I-shaped structure layer and cross structure layer, the
One I-shaped structure layer and the second I-shaped structure Rotating fields are identical, and cross structure is placed on the first I-shaped structure layer and the second I-shaped knot
Between structure layer；Being wire casing structure in the middle of first I-shaped structure layer, the second I-shaped structure layer, middle connecting portion is square paster
Electric capacity, patch capacitor is connected conducting with metal part；Described cross structure layer is the positive cross structure of UNICOM.
In certain embodiments of the present invention, the first substrate in described metamaterial sheet can be divided into multiple Meta Materials
Unit, each of which metamaterial unit is placed with a described man-made microstructure.
In certain embodiments of the present invention, metal micro structure is clipped in the middle of two layer medium base material, and multiple structure can be more
Good protection micro structure, it is to avoid it corrodes under extraneous mal-condition, it is ensured that the dielectric properties of antenna house.
In certain embodiments of the present invention, described media substrate is epoxy resin base plate, its relative dielectric constant
3.2, pcrmeability be 1.0 loss angle tangents be 0.008.
In certain embodiments of the present invention, described metal micro structure be thickness be the copper sheet of 0.018mm.
In certain embodiments of the present invention, square capacitive plates capacitance is C=1.1*1e-12F, square paster electricity
The appearance length of side is 0.35mm.
In certain embodiments of the present invention, metal micro structure length and width are 6mm, the first I-shaped structure layer, the second work
Wire casing gap in the middle of word structure sheaf is 0.35mm, a width of 2mm of cross hairs of cross structure layer.
In certain embodiments of the present invention, single-layer medium base material thickness is 1.5mm, and single-layer metal micro structure thickness is
0.018mm, metal micro structure is clipped in the middle of two layer medium base material and two surfaces, and gross thickness is 1.5*2+0.018*3=
3.036mm。
The invention has the beneficial effects as follows: antenna house based on Meta Materials technology, designed by special structure so that antenna
Cover has preferable wave transparent performance, and has relatively thin thickness, and the weight of low-frequency range antenna house is greatly reduced, and improves relevant answering
By the competitiveness under environment.And can also realize, by Meta Materials design, the function that frequency selects, improve antenna house and antenna device
The Stealth Fighter of part system.
Accompanying drawing explanation
Fig. 1, Fig. 2 are the schematic diagrams of man-made microstructure unit；
Fig. 3 is the schematic diagram of cross structure layer；
Fig. 4 is the first I-shaped structure layer, the schematic diagram of the second I-shaped structure layer；
Fig. 5, Fig. 6 are the schematic diagrams of 3*3 man-made microstructure unit.
Fig. 7 is that Meta Materials is low selects structure simulation figure again and again.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
In Fig. 1-Fig. 6, a kind of ultra-thin low passband selects Meta Materials wave transparent antenna house and antenna system thereof, surpasses including at least one
Sheet of material, each metamaterial sheet includes first substrate and the array arrangement multiple artificial micro-knot on described first substrate
Structure；Described man-made microstructure includes the first I-shaped structure layer the 2, second I-shaped structure layer 3 and cross structure layer 1, the first I-shaped knot
Structure layer 2 is identical with the second I-shaped structure layer 3 structure, and cross structure layer 1 is placed in the first I-shaped structure layer 2 and the second I-shaped structure layer
Between 3；Being wire casing structure in the middle of first I-shaped structure layer the 2, second I-shaped structure layer 3, middle connecting portion is square paster
Electric capacity 4, patch capacitor 4 is connected conducting with metal part；Described cross structure layer 1 is the positive cross structure of UNICOM.Based on super material
The antenna house of material technology, is designed by special structure so that antenna house has preferable wave transparent performance, and has relatively thin thickness
Degree, is greatly reduced the weight of low-frequency range antenna house, improves the competitiveness under related application environment.And designed by Meta Materials
The function that frequency selects can also be realized, improve antenna house and the Stealth Fighter of antenna device system, the field effect such as on aircraft naval vessel
Fruit is notable.
In the present embodiment, the first substrate in described metamaterial sheet can be divided into multiple metamaterial unit, the most often
A described man-made microstructure it is placed with in one metamaterial unit.
In the present embodiment, metal micro structure is clipped in the middle of two layer medium base material, and media substrate is epoxy resin base plate, many
Rotating fields can preferably protect micro structure, it is to avoid it corrodes under extraneous mal-condition, it is ensured that the dielectric properties of antenna house.
In the present embodiment, described media substrate is epoxy resin base plate, its relative dielectric constant 3.2, and pcrmeability is 1.0
Loss angle tangent is 0.008.
In the present embodiment, described metal micro structure be thickness be the copper sheet of 0.018mm.
In certain embodiments of the present invention, square capacitive plates electric capacity 4 value is C=1.1*1e-12F, square paster
Electric capacity 4 length of side is 0.35mm.
In the present embodiment, metal micro structure length and width are 6mm, in first I-shaped structure layer the 2, second I-shaped structure layer 3
Between wire casing gap be 0.35mm, a width of 2mm of cross hairs of cross structure layer 1.Single-layer medium base material thickness is 1.5mm, monolayer
Metal micro structure thickness is 0.018mm, and metal micro structure is clipped in the middle of two layer medium base material and two surfaces, and gross thickness is 1.5*
2+0.018*3=3.036mm.
In the figure 7, from above simulation curve and statistical data figure it is apparent that after adding metamaterial microstructure,
Defining a frequency in low-frequency range and select bandpass region, in frequency range, what the electromagnetic wave of aerial radiation can be good penetrates antenna house,
Normal work, outside frequency band, antenna house shows the function of suppression, and the configuration design of no-float can reach the most hidden
Body effect.
And owing to have employed multi-layer Matched structure, make air mate more preferably with intelligence metamaterial antenna cover, it is possible to
2.4GHz wave band has good wave transmission rate.
This patent, by designing different metamaterial microstructure, is changed by the electromagnetic response feature of associated metal line coating
Become the dielectric constant of each spatial point, make the electromagnetic response feature at Meta Materials Filled Dielectrics close with air.So, we
This Meta Materials is also referred to as " solid air ".The introducing of Meta Materials, decreases microwave system due to characteristic after introducing traditional sucrose
Decay caused by impedance mismatch, thus reduce reflection, improve efficiency of transmission.Effectively contain the interference of higher mode, simplified
It is carried out the amount of calculation of field analysis, in order to people more successfully, field distribution is precisely calculated and is used smoothly.
In some application scenarios, usually may require that the dielectric material that lossy microwave is minimum.Such as radome, antenna house；Profit
The vacuum system of air and microwave tube is separated with dielectric disk in window；Separate air and the inflation system filling plasma microwave pipe
System；Separate air and high-pressure aerated Wave guide system；Utilize sealing medium sheet to separate air and water etc. in some water loads.Adopt
The demand under above-mentioned occasion is disclosure satisfy that by technical scheme.
Above in conjunction with accompanying drawing, embodiments of the invention are described, but the invention is not limited in above-mentioned concrete
Embodiment, above-mentioned detailed description of the invention is only schematic rather than restrictive, those of ordinary skill in the art
Under the enlightenment of the present invention, in the case of without departing from present inventive concept and scope of the claimed protection, it may also be made that a lot
Form, within these belong to the protection of the present invention.
Claims (8)
1. ultra-thin low passband selects Meta Materials wave transparent antenna house and an antenna system thereof, including at least one metamaterial sheet, often
One metamaterial sheet includes first substrate and the array arrangement multiple man-made microstructure on described first substrate；Its feature exists
In: described man-made microstructure includes the first I-shaped structure layer, the second I-shaped structure layer and cross structure layer, the first I-shaped structure layer
Identical with the second I-shaped structure Rotating fields, cross structure is placed between the first I-shaped structure layer and the second I-shaped structure layer；The
Being wire casing structure in the middle of one I-shaped structure layer, the second I-shaped structure layer, middle connecting portion is square patch capacitor, paster electricity
Hold and be connected conducting with metal part；Described cross structure layer is the positive cross structure of UNICOM.
The ultra-thin low passband of one the most according to claim 1 selects Meta Materials wave transparent antenna house and antenna system thereof, its feature
It is: the first substrate in metamaterial sheet can be divided into multiple metamaterial unit, and each of which metamaterial unit is placed with
One described man-made microstructure.
The ultra-thin low passband of one the most according to claim 1 selects Meta Materials wave transparent antenna house and antenna system thereof, its feature
Being: described man-made microstructure is clipped in the middle of two layer medium base material, micro structure can preferably be protected by multiple structure, it is to avoid it is outside
Corrode under boundary's mal-condition, it is ensured that the dielectric properties of antenna house.
The ultra-thin low passband of one the most according to claim 3 selects Meta Materials wave transparent antenna house and antenna system thereof, its feature
Be: media substrate is epoxy resin base plate, its relative dielectric constant 3.2, pcrmeability be 1.0 loss angle tangents be 0.008.
The ultra-thin low passband of one the most according to claim 1 selects Meta Materials wave transparent antenna house and antenna system thereof, its feature
Be: man-made microstructure be thickness be the copper sheet of 0.018mm.
The ultra-thin low passband of one the most according to claim 1 selects Meta Materials wave transparent antenna house and antenna system thereof, its feature
Being: square capacitive plates capacitance is C=1.1*1e-12F, the square patch capacitor length of side is 0.35mm.
The ultra-thin low passband of one the most according to claim 1 selects Meta Materials wave transparent antenna house and antenna system thereof, its feature
Being: man-made microstructure length and width are 6mm, the wire casing gap in the middle of the first I-shaped structure layer, the second I-shaped structure layer is
0.35mm, a width of 2mm of cross hairs of cross structure layer.
8. select Meta Materials wave transparent antenna house and antenna system thereof according to the ultra-thin low passband of one described in claim 1,3 or 5, its
Being characterised by: single-layer medium base material thickness is 1.5mm, monolayer man-made microstructure thickness is 0.018mm, and man-made microstructure is clipped in two
In the middle of layer media substrate and two surfaces, gross thickness is 1.5*2+0.018*3=3.036mm.
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| CN201610316310.3A CN106058457B (en) | 2016-05-13 | 2016-05-13 | A kind of ultra-thin low pass frequency selects Meta Materials wave transparent antenna house |
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| CN201610316310.3A CN106058457B (en) | 2016-05-13 | 2016-05-13 | A kind of ultra-thin low pass frequency selects Meta Materials wave transparent antenna house |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019165684A1 (en) * | 2018-03-02 | 2019-09-06 | 常熟市浙大紫金光电技术研究中心 | Radome for expanding deflection angle of phase array antenna |
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| EP1826870A1 (en) * | 2006-02-28 | 2007-08-29 | Mitsumi Electric Co., Ltd. | Antenna using an electromagnetic band gap reflector |
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| CN204706646U (en) * | 2015-06-30 | 2015-10-14 | 深圳光启高等理工研究院 | Meta Materials filter structure and there is its metamaterial antenna cover and antenna system |
| CN204706647U (en) * | 2015-06-30 | 2015-10-14 | 深圳光启高等理工研究院 | Meta Materials filter structure and there is its metamaterial antenna cover and antenna system |
| CN204706637U (en) * | 2015-06-30 | 2015-10-14 | 深圳光启高等理工研究院 | Meta Materials filter structure and there is its metamaterial antenna cover and antenna system |
| CN104993249A (en) * | 2015-07-23 | 2015-10-21 | 中国人民解放军国防科学技术大学 | Single-passband bilateral wave-absorbing composite metamaterial and radome and antenna system including same |
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2016
- 2016-05-13 CN CN201610316310.3A patent/CN106058457B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1826870A1 (en) * | 2006-02-28 | 2007-08-29 | Mitsumi Electric Co., Ltd. | Antenna using an electromagnetic band gap reflector |
| CN102683884A (en) * | 2011-03-15 | 2012-09-19 | 深圳光启高等理工研究院 | Zoom lens made of super materials |
| CN102800991A (en) * | 2012-08-03 | 2012-11-28 | 深圳光启创新技术有限公司 | Wideband absorbing meta-material |
| CN204706646U (en) * | 2015-06-30 | 2015-10-14 | 深圳光启高等理工研究院 | Meta Materials filter structure and there is its metamaterial antenna cover and antenna system |
| CN204706647U (en) * | 2015-06-30 | 2015-10-14 | 深圳光启高等理工研究院 | Meta Materials filter structure and there is its metamaterial antenna cover and antenna system |
| CN204706637U (en) * | 2015-06-30 | 2015-10-14 | 深圳光启高等理工研究院 | Meta Materials filter structure and there is its metamaterial antenna cover and antenna system |
| CN104993249A (en) * | 2015-07-23 | 2015-10-21 | 中国人民解放军国防科学技术大学 | Single-passband bilateral wave-absorbing composite metamaterial and radome and antenna system including same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019165684A1 (en) * | 2018-03-02 | 2019-09-06 | 常熟市浙大紫金光电技术研究中心 | Radome for expanding deflection angle of phase array antenna |
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