CN106505317A - Act on metamaterial frequency selection antenna house and the antenna system of C-band and Ku wave bands - Google Patents
Act on metamaterial frequency selection antenna house and the antenna system of C-band and Ku wave bands Download PDFInfo
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- CN106505317A CN106505317A CN201611247491.5A CN201611247491A CN106505317A CN 106505317 A CN106505317 A CN 106505317A CN 201611247491 A CN201611247491 A CN 201611247491A CN 106505317 A CN106505317 A CN 106505317A
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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
- H01Q1/425—Housings not intimately mechanically associated with radiating elements, e.g. radome comprising a metallic grid
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- 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 a kind of metamaterial frequency selection antenna house and antenna system for acting on C-band and Ku wave bands, is related to Meta Materials field.The antenna house operates mainly in C-band and Ku wave bands, and the antenna house includes that 1～3 layer of metamaterial sheet, each metamaterial sheet include the multiple equivalently-sized man-made microstructure of medium substrate and array arrangement on the medium substrate；The cross section of the man-made microstructure is cross point shape unit, by changing exponent number, size and the position of cross point shape unit, adjusts the resonant frequency of Meta Materials.Man-made microstructure of the present invention by attachment given shape on substrate, the electromagnetic response needed for obtaining so that the frequency of Meta Materials selects characteristic and wave transparent performance enhancement.The metamaterial frequency selection antenna house working band of the present invention is adjustable in very wide frequency range, and very high in the outer wave transmission efficiency of this frequency band, is lost less.And, when electromagnetic wave is incident at a certain angle, still there is good frequency-selecting energy.
Description
Technical field
The present invention relates to Meta Materials field, is specifically related to a kind of metamaterial frequency selection day for acting on C-band and Ku wave bands
Irdome and antenna system.
Background technology
Meta Materials are a kind of artificial electromagnetic functional materials, and its basic component units is that Jie between macroscopic view and microcosmic sees
Micro-structural.With LHM, photonic crystal, frequency-selective surfaces (FSS) be the Meta Materials of representative in optical imagery, minimize day
The fields such as line, electromagnetic wave stealth have wide practical use.Basic thought is to produce electroresponse with the micro-structural of engineer
Or magnetic response, so as to realize controllable dielectric constant or magnetic conductivity.Meta Materials technology is a kind of material inverse planning techniques, has
Surmount the electromagnetic response characteristic of nature material.Whole Meta Materials are made up of a lot of metamaterial units, each Meta Materials list
Man-made microstructure in unit can be with identical or incomplete same.Man-made microstructure be by groups of metal filaments into certain geometry
The plane or stereochemical structure of figure, such as composition annular, I-shaped wire etc..Due to the presence of man-made microstructure, per
Individual metamaterial unit has the electromagnetic property for being different from substrate itself, and the Meta Materials that therefore all of metamaterial unit is constituted are to electricity
Field and magnetic field present special response characteristic, by designing different concrete structures and shape, Ke Yigai to man-made microstructure
Become the response characteristic of whole Meta Materials.The Meta Materials for generally adopting at present are for opening resonance loop structure, it is difficult in wide frequency range
Realize frequency range function.
Generally, antenna system can all be provided with antenna house.The purpose of antenna house is to protect antenna system from wind
The impact of rain, ice and snow, sand and dust and solar radiation etc., makes antenna system service behaviour more stable, reliable.Mitigate aerial system simultaneously
The abrasion of system, corrosion and aging, increase the service life.But antenna house is the barrier before antenna, to aerial radiation ripple meeting
Produce and absorb and reflect, change the free space Energy distribution of antenna, and affect the electric property of antenna to a certain extent.
Prepare at present using dielectric constant and loss angle tangent be low, high mechanical strength material more than the material of antenna house, such as
Fiberglass, epoxy resin, high molecular polymer etc., the dielectric constant of material have unadjustable property.It mostly is uniform single in structure
Wall construction, sandwich and spatial skeleton structure etc., the design of cone wall thickness need to take into account operation wavelength, antenna house size and shape
The factors such as the performance of shape, environmental condition, material therefor in electric and structure, it is more difficult to reach high wave transparent and require, even if ensureing
Do not possess selective wave transparent function under conditions of high-transmission rate yet.And, the working frequency range of antenna house is narrower, typically can only be in C
Wave band or Ku band operations, need to change antenna house under different frequency range demands, it is impossible to realize the reuse of resource, cause
The waste of resource and the raising of equipment cost.
Content of the invention
The invention aims to overcoming existing antenna house realize that the frequency in wide-band selects the defect of characteristic, carry
For a kind of metamaterial frequency selection antenna house, the present invention can be made by designing the shape of man-made microstructure and the exponent number of parting structure
Obtain the metamaterial frequency selection antenna house and change resonant frequency in C-band and Ku wave bands, more stable frequency choosing is provided in wider frequency section special
Property.
The present invention provides a kind of metamaterial frequency selection antenna house, and the working frequency range of the antenna house is in C-band and Ku wave bands, the day
Irdome includes 1～3 layer of metamaterial sheet, and the metamaterial sheet includes first medium substrate, man-made microstructure, described first
Medium substrate include in cyclic array arrangement several equivalently-sized metamaterial units, the metamaterial unit transversal
Face is square, and the value of its length of side a is 15～19mm；
The surface of each metamaterial unit respectively arranges a man-made microstructure, and the man-made microstructure integral central is symmetrical,
And the center superposition of the center of the man-made microstructure and the metamaterial unit being located, the man-made microstructure adopts conductive material
Make, the thickness of the man-made microstructure is 0.01～0.023mm；
The cross section of the man-made microstructure is that cross divides shape unit, each cross point shape unit to include at least one cross
Shape structure, by changing exponent number, size and the position of cross point shape unit, adjusts the resonance frequency of the metamaterial sheet
Rate；The overall profile of each cross point shape unit is square, and the foursquare length of side is b, and the value of (a-b)/2 be 1～
3mm, in the cross point shape unit, the width of each edge is 0.6～0.9mm.
On the basis of above-mentioned technical proposal, when the exponent number of the cross point shape unit is zero, referred to as zeroth order cross divides shape
Unit, zeroth order cross point shape unit only include a decussate texture.
On the basis of above-mentioned technical proposal, two edge lengths of the decussate texture that the zeroth order cross is divided in shape unit
Identical, the length of each edge is 18～22mm.
On the basis of above-mentioned technical proposal, when the exponent number of the cross point shape unit is 1, referred to as single order cross divides shape list
Unit, single order cross point shape unit include that four zeroth order cross point shape units, four zeroth order cross point shape units are spelled around central point
Connect and form a whole.
On the basis of above-mentioned technical proposal, four zeroth order crosses point shape unit size is identical, artificial micro- knot
The central point of structure is set to O, and the middle part intersection point of the zeroth order cross point shape unit is A, and the spacing that 2 points of OA is S1, the cross point
The catercorner length of shape unit is L1, S1：L1=1：The value of 2～6, L1 is 18～22mm.
On the basis of above-mentioned technical proposal, when the cross point shape unit is second order cross point shape unit, second order cross
Point shape unit includes four single order cross point shape units, and four single order crosses point shape units are whole around central point splicing composition one
Body.
On the basis of above-mentioned technical proposal, four single order crosses point shape unit size is identical, artificial micro- knot
The central point of structure is set to O, and the middle part intersection point of the single order cross point shape unit is B, close in the single order cross point shape unit
The middle part intersection point of one zeroth order cross of the man-made microstructure central point point shape unit is C, and the spacing that 2 points of OC is S2, OB two
The spacing of point is S3, S2：The value of S3 is 3～8：12, the catercorner length of the cross point shape unit is L1, S3：L1=1：2
The value of～6, L1 is 18～22mm.
On the basis of above-mentioned technical proposal, the metamaterial sheet also includes be covered in the man-made microstructure
Second medium substrate, the second medium substrate are fitted with the first medium substrates into intimate.
On the basis of above-mentioned technical proposal, the first medium substrate, second medium substrate adopt polymethylacrylic acid
Acid imide foam or epoxy glass cloth laminated board are made.
The present invention provides a kind of antenna system, and the system includes that antenna and antenna house, the antenna house cover at the day
Above line, the antenna house is above-mentioned metamaterial frequency selection antenna house.
Compared with prior art, advantages of the present invention is as follows：
Man-made microstructure of the present invention by attachment given shape on substrate, obtains the electromagnetic response for needing so that super
The frequency of material selects characteristic to strengthen, and antijamming capability increases.Shape, the size for adjusting man-made microstructure can be passed through, change material
The relative dielectric constant of material, refractive index and impedance, so as to realize the impedance matching with air, to be added to radio to greatest extent
The transmission of magnetic wave.
The working band of the present invention is C-band and Ku wave bands, by designing shape and the cross point shape list of man-made microstructure
The exponent number of meta structure, enables to the metamaterial frequency selection antenna house and changes resonant frequency in C-band and Ku wave bands, in wider frequency section
More stable frequency is provided and selects characteristic.The working band of the antenna house of the present invention can be adjusted by the exponent number of cross point shape unit and position
Whole, and the out-of-band wave transmission efficiency of here is very high, is lost less.And, when electromagnetic wave band certain angle is incident, still have very
Good wave transparent performance.
Description of the drawings
Fig. 1 is the structural representation of the metamaterial sheet in the embodiment of the present invention with two-layer substrate；
Fig. 2 is cross point shape unit exponent number iteration schematic diagram；
Fig. 3 is the structural representation of the metamaterial sheet of the embodiment of the present invention 1；
Fig. 4 is the structural representation of 1 single metamaterial unit of the embodiment of the present invention；
Fig. 5 is the cross-section structure schematic construction schematic diagram of the metamaterial sheet of the embodiment of the present invention 2；
Fig. 6 is the structural representation of 2 single metamaterial unit of the embodiment of the present invention；
Emulation schematic diagram when Fig. 7 is electromagnetic wave vertical incidence in embodiment 1,2；
Fig. 8 be in embodiment 1,2 electromagnetic wave with emulation schematic diagram during 30 ° of angle oblique incidences.
Reference：1- first medium substrates, 1a- metamaterial units, 2- man-made microstructures, 3- second medium substrates.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described in further detail.
Shown in Figure 1, the embodiment of the present invention provides a kind of metamaterial frequency selection antenna house, and the antenna house includes 1～3 layer
Metamaterial sheet, metamaterial sheet include that first medium substrate 1, man-made microstructure 2, first medium substrate 1 are included in periodically
Several equivalently-sized metamaterial units 1a of array arrangement, the cross section of metamaterial unit 1a are square, its length of side a
Value be 15～19mm；
Metamaterial sheet can also include the second medium substrate 3 being covered in man-made microstructure 2, second medium substrate 3
It is brought into close contact with first medium substrate 1.In embodiments of the present invention, first medium substrate 1 and second medium substrate 3 can be adopted
Polymethacrylimide PMI foams, epoxy glass cloth laminated board are made, it would however also be possible to employ other materials is made, such as pottery,
Polytetrafluoroethylene (PTFE).
The surface of each metamaterial unit 1a respectively arranges a man-made microstructure 2, and 2 integral central of man-made microstructure is symmetrical,
And the center superposition of the center of man-made microstructure 2 and metamaterial unit 1a being located, man-made microstructure 2 is using conductive material system
Into the thickness of man-made microstructure 2 is 0.01～0.023mm；Conductive material can be the conducting metals such as silver, copper, or oxygen
Change the conductive nonmetal materials such as indium tin ITO, graphite or CNT.
The cross section of man-made microstructure 2 is that cross divides shape unit, each cross point shape unit to include at least one cross
Structure, by changing exponent number, size and the position of cross point shape unit, adjusts the resonant frequency of metamaterial sheet；Each
The overall profile of cross point shape unit is square, and the foursquare length of side is b, the border of man-made microstructure 2 and Meta Materials list
The value of the distance between the border of first 1a d=(a-b)/2, d is 1～3mm, and in cross point shape unit, the width of each edge is
0.6～0.9mm.
The length of 1～N rank figures of cross point shape unit and position determine by working frequency range, generally, 2≤N≤
4.Shown in Figure 2, it is respectively the zeroth order of cross point shape unit, single order, second order structure pattern in Fig. 2 from left to right.
When the exponent number of cross point shape unit is zero, referred to as zeroth order cross divides shape unit, zeroth order cross point shape unit to only include
One decussate texture, in zeroth order cross point shape unit, each edge divides any one boundary line of shape unit folder at 45 ° with cross
Angle.Two edge lengths of the decussate texture that zeroth order cross is divided in shape unit are identical, each edge in zeroth order cross point shape unit
Length can be 18～22mm, preferably 19～20mm.
When the exponent number of cross point shape unit is 1, referred to as single order cross divides shape unit, single order cross point shape unit to include four
Zeroth order cross point shape unit, four zeroth order cross point shape units form a whole around central point splicing.Four zeroth order crosses
Divide shape unit size identical, the central point of man-made microstructure 2 is set to O, and the middle part intersection point of zeroth order cross point shape unit is A, OA two
The spacing of point is S1, and the catercorner length of cross point shape unit is L1, S1：L1=1：The value of 2～6, L1 can be 18～
22mm.Now the length of side of zeroth order cross point shape unit can be 6～10mm, preferably 8～9mm.
When the exponent number of cross point shape unit is 2, referred to as second order cross divides shape unit, second order cross point shape unit to include four
Single order cross point shape unit, four single order cross point shape units form a whole around central point splicing.Four single order crosses
Point shape unit size is identical, and the central point of man-made microstructure 2 is set to O, and the middle part intersection point of single order cross point shape unit is B, single order
The middle part intersection point of a zeroth order cross point shape unit in cross point shape unit near 2 central point of man-made microstructure is C, 2 points of OC
Spacing be S2, the spacing that 2 points of OB be S3, S2：The value of S3 can be 3～8：12, the catercorner length of cross point shape unit
For L1, S3：L1=1：The value of 2～6, L1 can be 18～22mm.
The embodiment of the present invention provides a kind of antenna system, and the system includes that antenna and antenna house, antenna house cover at antenna
Top, the antenna house are above-mentioned metamaterial frequency selection antenna house.
The present invention is further detailed below by 12 specific embodiments.
Embodiment 1：
The present embodiment provides a kind of wideband metamaterial frequency selection antenna house for being operated in C-band and Ku wave bands, resonant frequency point
Not Wei 5.6GHz and 15.8GHz, including a metamaterial sheet, as shown in Figure 1.Metamaterial sheet includes that two pieces of identicals are uniform
The plate shape substrates of uniform thickness：The first medium substrate 1 being oppositely arranged and second medium substrate 3.First medium substrate 1 towards second
The man-made microstructure 2 of array arrangement is attached with the surface of medium substrate 3.The 2 place plane of man-made microstructure of array arrangement with
The electric field of electromagnetic wave is parallel with magnetic direction.Referring to shown in Fig. 3, Fig. 4, the first medium substrate 1 in metamaterial sheet can be divided
For multiple metamaterial units 1a, a man-made microstructure 2 in each of which metamaterial unit 1a, is placed with.In the present embodiment,
Illustrate by taking two substrates as an example, but in actual design, it is also possible to only with first medium substrate 1, and artificial micro- knot
2 array arrangement of structure is equally reached the purpose of the present invention on first medium substrate 1.Each metamaterial unit 1a is in pros
The distance between border of shape, its length of side a=17mm, man-made microstructure 2 and metamaterial unit 1a is d=1.5mm.Each artificial
The cross section that micro-structural 2 includes is cross point shape unit, and the exponent number of cross point shape unit is 1, by four zeroth order crosses point shape list
Unit is spliced around central point, and specifically, single order cross is divided to shape unit to include two long sides, four minor faces, two long sides by
Two equivalently-sized and the metal tapes vertically divided equally rotate 45 ° of compositions, and the length of long side L1 is 19.12mm, and width h is
0.66mm, S1:L1=1:4.Minor face L2 length is 8.38mm, and width h is 0.66mm.In embodiments of the present invention, first medium
The thickness of substrate 1 and second medium substrate 3 is 3mm, and the thickness of man-made microstructure 2 is 0.023mm.Numerical value herein is only to show
Example, in actual applications, can be adjusted according to actual demand.
Interconnected by glued membrane between first medium substrate 1 and first medium substrate 3, second medium substrate 3
It is brought into close contact with first medium substrate 1.Man-made microstructure 2 is led to overetched mode and is attached on first medium substrate 1, certain people
Make micro-structural 2 can also using plating, carve, photoetching, electronics carve or ion quarter etc. mode be attached to first medium substrate 1 or
On second medium substrate 3.Man-made microstructure 2 is made using copper cash.
Meta Materials transmissivity S of the present embodiment21The schematic diagram that parameter changes with frequency as shown in Figure 7,8, first medium base
Plate 1 and second medium substrate 3 are made using PMI foams.Can be seen by Fig. 7, the antenna house in the present embodiment in frequency is
During 5.8GHz, S21Parameter is -43dB, when frequency is 15.8GHz, S21Parameter is -46dB.It can be seen that in C-band and Ku
Outside wavelength band, S21Parameter is substantially all more than -2.5dB.Can be seen when electromagnetic wave is with 30 ° of angle oblique incidences, still by Fig. 8
So there is good frequency-selecting energy.
Embodiment 2：
Referring to shown in Fig. 5, Fig. 6, the present embodiment provides a kind of wideband metamaterial frequency selection day for being operated in C-band and Ku wave bands
Irdome, resonant frequency are respectively 4.8GHz and 14.2GHz, including a metamaterial sheet, as shown in Figure 1.Metamaterial sheet bag
Include the plate shape substrates of the uniform uniform thickness of two pieces of identicals：The first medium substrate 1 being oppositely arranged and second medium substrate 3.First is situated between
The man-made microstructure 2 of array arrangement is attached with the surface towards second medium substrate 3 of matter substrate 1.Each metamaterial sheet
Including two substrates being oppositely arranged and the man-made microstructure of the array arrangement being attached between two substrates.Array arrangement artificial
2 place plane of micro-structural is parallel with the electric field of electromagnetic wave and magnetic direction.First medium substrate 1 in metamaterial sheet can be divided
For multiple metamaterial units 1a, a man-made microstructure 2 in each of which metamaterial unit 1a, is placed with.Metamaterial sheet can be drawn
It is divided into multiple metamaterial units 1a, in each of which metamaterial unit 1a, is placed with a man-made microstructure 2.Each Meta Materials list
It is d=1.7mm that the length of side of first 1a is the distance between border of a=19mm, man-made microstructure 2 and metamaterial unit 1a.Each
2 cross section of man-made microstructure is cross point shape unit, and the exponent number of cross point shape unit is 2, referred to as second order cross point shape unit, by
Four single order cross point shape units are spliced around central point, and second order cross is divided to two long sides of shape unit by two size phases
Metal tape that is same and vertically dividing equally rotates 45 ° of compositions, and the length of long side L1 is 24mm, and width h is 0.66mm.Cross point shape unit
Exponent number be 2 ranks, S3:L2=1:4, S2:S3=1:2.In single order cross point shape unit, minor face L2 length is 8.5mm, and width h is
0.66mm.In zeroth order cross point shape unit, band L3 length is 2.9mm, and width h is 0.66mm.In embodiments of the present invention,
The thickness of one medium substrate 1 and second medium substrate 3 is 3mm, and the thickness of man-made microstructure 2 is 0.023mm.Numerical value herein
Merely illustrative, in actual applications, can be adjusted according to actual demand.
In embodiments of the present invention, first medium substrate 1 and second medium substrate 3 are obtained by PMI foams.First medium base
Interconnected by glued membrane between plate 1 and first medium substrate 3, second medium substrate 3 is tight with first medium substrate 1
Laminating.Man-made microstructure 2 is led to overetched mode and is attached on first medium substrate 1.Man-made microstructure 2 is made using copper cash.
The Meta Materials S of the present embodiment21The schematic diagram that parameter changes with frequency is as shown in Figure 7,8.Can be seen by Fig. 7, this
Antenna house in embodiment frequency be 4.8GHz when, S21Parameter is -50dB, when frequency is 14.2GHz, S21Parameter for-
48dB.It can be seen that outside C-band and Ku wavelength bands, S21Parameter is substantially all more than -2.5dB.Can be seen by Fig. 8
When electromagnetic wave 30 ° of angle oblique incidences of band, still there is good frequency-selecting energy.
Embodiment 3：
The present embodiment provides a kind of metamaterial frequency selection antenna house for being operated in C-band and Ku wave bands, and the antenna house includes 2 layers
Metamaterial sheet, metamaterial sheet is made up of first medium substrate 1, man-made microstructure 2, and first medium substrate 1 adopts epoxy
Glass cloth laminated board is made, and first medium substrate 1 includes several the equivalently-sized Meta Materials lists in cyclic array arrangement
First 1a, the cross section of metamaterial unit 1a are square, and the value of its length of side a is 15mm.
The surface of each metamaterial unit 1a respectively arranges a man-made microstructure 2, and 2 integral central of man-made microstructure is symmetrical,
And the center of man-made microstructure 2 be located metamaterial unit 1a center superposition, man-made microstructure 2 using metallic silver into,
The thickness of man-made microstructure 2 is 0.01mm.
The cross section of man-made microstructure 2 is that cross divides shape unit, each cross point shape unit to include at least one cross
Structure, by changing exponent number, size and the position of cross point shape unit, adjusts the resonant frequency of metamaterial sheet；Cross
The overall profile for dividing shape unit is square, and the foursquare length of side is b, the border of man-made microstructure 2 and metamaterial unit 1a
The value of the distance between border d=(a-b)/2, d be 1mm, in cross point shape unit, the width of each edge is 0.6mm.This
In embodiment, the exponent number of cross point shape unit is zero, referred to as zeroth order cross point shape unit, and zeroth order cross point shape unit only includes one
Individual decussate texture, in zeroth order cross point shape unit, each edge divides any one boundary line of shape unit angle at 45 ° with cross.
Two edge lengths of the decussate texture that zeroth order cross is divided in shape unit are identical, the length of each edge in zeroth order cross point shape unit
For 19mm.
Embodiment 4：
The present embodiment provides a kind of metamaterial frequency selection antenna house for being operated in C-band and Ku wave bands, and the antenna house includes 2 layers
Metamaterial sheet, and the man-made microstructure 2 in two-layer metamaterial sheet do not overlap.Metamaterial sheet is by first medium base
Plate 1, man-made microstructure 2 are constituted, and first medium substrate 1 is made using pottery, and first medium substrate 1 includes arranging in cyclic array
Several equivalently-sized metamaterial units 1a of cloth, the cross section of metamaterial unit 1a are square, the value of its length of side a
For 16mm.
The surface of each metamaterial unit 1a respectively arranges a man-made microstructure 2, and 2 integral central of man-made microstructure is symmetrical,
And the center superposition of the center of man-made microstructure 2 and metamaterial unit 1a being located, man-made microstructure 2 is using conductive material system
Into the thickness of man-made microstructure 2 is 0.012mm；Conductive material is metallic copper.
The cross section of man-made microstructure 2 is that cross divides shape unit, each cross point shape unit to include at least one cross
Structure, by changing exponent number, size and the position of cross point shape unit, adjusts the resonant frequency of metamaterial sheet；Each
The overall profile of cross point shape unit is square, and the foursquare length of side is b, the border of man-made microstructure 2 and Meta Materials list
The value of the distance between the border of first 1a d=(a-b)/2, d is 1.5mm, and in cross point shape unit, the width of each edge is
0.7mm.
The exponent number of cross point shape unit is 1, referred to as single order cross point shape unit, and single order cross point shape unit includes four zero
Rank cross point shape unit, four zeroth order cross point shape units form a whole around central point splicing.Four zeroth order crosses point
Shape unit size is identical, and the central point of man-made microstructure 2 is set to O, and the middle part intersection point of zeroth order cross point shape unit is A, 2 points of OA
Spacing be S1, the catercorner length of cross point shape unit is L1, S1：L1=1：2, L1 value is 18mm.Now zeroth order ten
The length of side of word point shape unit is 6mm.
Embodiment 5：
The present embodiment provides a kind of metamaterial frequency selection antenna house for being operated in C-band and Ku wave bands, and the antenna house includes 3 layers
Metamaterial sheet, metamaterial sheet is made up of first medium substrate 1, man-made microstructure 2, second medium substrate 3, first medium
Substrate 1 is made using Polymethacrylimide PMI foams, and second medium substrate 3 is made using epoxy glass cloth laminated board.The
One medium substrate 1 includes several equivalently-sized metamaterial units 1a in cyclic array arrangement, metamaterial unit 1a
Cross section is square, and the value of its length of side a is 17mm.
The surface of each metamaterial unit 1a respectively arranges a man-made microstructure 2, and 2 integral central of man-made microstructure is symmetrical,
And the center superposition of the center of man-made microstructure 2 and metamaterial unit 1a being located, man-made microstructure 2 is using conductive material system
Into the thickness of man-made microstructure 2 is 0.016mm；Conductive material is tin indium oxide ITO.
The cross section of man-made microstructure 2 is that cross divides shape unit, each cross point shape unit to include at least one cross
Structure, by changing exponent number, size and the position of cross point shape unit, adjusts the resonant frequency of metamaterial sheet；Each
The overall profile of cross point shape unit is square, and the foursquare length of side is b, the border of man-made microstructure 2 and Meta Materials list
The value of the distance between the border of first 1a d=(a-b)/2, d is 3mm, and in cross point shape unit, the width of each edge is
0.8mm.
The exponent number of cross point shape unit is 1, referred to as single order cross point shape unit, and single order cross point shape unit includes four zero
Rank cross point shape unit, four zeroth order cross point shape units form a whole around central point splicing.Four zeroth order crosses point
Shape unit size is identical, and the central point of man-made microstructure 2 is set to O, and the middle part intersection point of zeroth order cross point shape unit is A, 2 points of OA
Spacing be S1, the catercorner length of cross point shape unit is L1, S1：L1=1：3, L1 value is 20mm.Now zeroth order ten
The length of side of word point shape unit is 8mm.
Embodiment 6：
The present embodiment provides a kind of metamaterial frequency selection antenna house for being operated in C-band and Ku wave bands, and the antenna house includes 3 layers
Metamaterial sheet, metamaterial sheet is made up of first medium substrate 1, man-made microstructure 2, and first medium substrate 1 was included in week
Several equivalently-sized metamaterial units 1a of phase property array arrangement, the cross section of metamaterial unit 1a are square, its
The value of length of side a is 18mm；
First medium substrate 1 is made using Polymethacrylimide PMI foams, epoxy glass cloth laminated board, is also adopted by
Other materials is made, such as pottery, polytetrafluoroethylene (PTFE).
The surface of each metamaterial unit 1a respectively arranges a man-made microstructure 2, and 2 integral central of man-made microstructure is symmetrical,
And the center superposition of the center of man-made microstructure 2 and metamaterial unit 1a being located, man-made microstructure 2 is using conductive material system
Into the thickness of man-made microstructure 2 is 0.017mm；Conductive material is metallic copper.
The cross section of man-made microstructure 2 is that cross divides shape unit, each cross point shape unit to include at least one cross
Structure, by changing exponent number, size and the position of cross point shape unit, adjusts the resonant frequency of metamaterial sheet；Each
The overall profile of cross point shape unit is square, and the foursquare length of side is b, the border of man-made microstructure 2 and Meta Materials list
The value of the distance between the border of first 1a d=(a-b)/2, d is 2.5mm, and in cross point shape unit, the width of each edge is
0.9mm.
The exponent number of cross point shape unit is 1, referred to as single order cross point shape unit, and single order cross point shape unit includes four zero
Rank cross point shape unit, four zeroth order cross point shape units form a whole around central point splicing.Four zeroth order crosses point
Shape unit size is identical, and the central point of man-made microstructure 2 is set to O, and the middle part intersection point of zeroth order cross point shape unit is A, 2 points of OA
Spacing be S1, the catercorner length of cross point shape unit is L1, S1：L1=1：4, L1 value is 22mm.Now zeroth order ten
The length of side of word point shape unit is 10mm.
Embodiment 7：
The present embodiment provides a kind of metamaterial frequency selection antenna house for being operated in C-band and Ku wave bands, and the antenna house includes 2 layers
Metamaterial sheet, metamaterial sheet is made up of first medium substrate 1, man-made microstructure 2, and first medium substrate 1 adopts poly- first
Base acrylimide PMI foams are made, and first medium substrate 1 includes that several in cyclic array arrangement are equivalently-sized super
Material cell 1a, the cross section of metamaterial unit 1a are square, and the value of its length of side a is 19mm.
The surface of each metamaterial unit 1a respectively arranges a man-made microstructure 2, and 2 integral central of man-made microstructure is symmetrical,
And the center superposition of the center of man-made microstructure 2 and metamaterial unit 1a being located, man-made microstructure 2 is using conductive material system
Into the thickness of man-made microstructure 2 is 0.018mm；Conductive material is graphite.
The cross section of man-made microstructure 2 is that cross divides shape unit, each cross point shape unit to include at least one cross
Structure, by changing exponent number, size and the position of cross point shape unit, adjusts the resonant frequency of metamaterial sheet；Each
The overall profile of cross point shape unit is square, and the foursquare length of side is b, the border of man-made microstructure 2 and Meta Materials list
The value of the distance between the border of first 1a d=(a-b)/2, d is 3mm, and in cross point shape unit, the width of each edge is
0.9mm.
The exponent number of cross point shape unit is 1, referred to as single order cross point shape unit, and single order cross point shape unit includes four zero
Rank cross point shape unit, four zeroth order cross point shape units form a whole around central point splicing.Four zeroth order crosses point
Shape unit size is identical, and the central point of man-made microstructure 2 is set to O, and the middle part intersection point of zeroth order cross point shape unit is A, 2 points of OA
Spacing be S1, the catercorner length of cross point shape unit is L1, S1：L1=1：5, L1 value is 21mm.Now zeroth order ten
The length of side of word point shape unit is 9mm.
Embodiment 8：
The present embodiment provides a kind of metamaterial frequency selection antenna house for being operated in C-band and Ku wave bands, and the antenna house includes 2 layers
Metamaterial sheet, metamaterial sheet is made up of first medium substrate 1, man-made microstructure 2, and first medium substrate 1 adopts poly- four
PVF is made, and first medium substrate 1 includes several equivalently-sized metamaterial units 1a in cyclic array arrangement, surpasses
The cross section of material cell 1a is square, and the value of its length of side a is 15mm；
The surface of each metamaterial unit 1a respectively arranges a man-made microstructure 2, and 2 integral central of man-made microstructure is symmetrical,
And the center superposition of the center of man-made microstructure 2 and metamaterial unit 1a being located, man-made microstructure 2 is using conductive material system
Into the thickness of man-made microstructure 2 is 0.01～0.023mm；Conductive material is tin indium oxide ITO.
The cross section of man-made microstructure 2 is that cross divides shape unit, each cross point shape unit to include at least one cross
Structure, by changing exponent number, size and the position of cross point shape unit, adjusts the resonant frequency of metamaterial sheet；Each
The overall profile of cross point shape unit is square, and the foursquare length of side is b, the border of man-made microstructure 2 and Meta Materials list
The value of the distance between the border of first 1a d=(a-b)/2, d is 1mm, and in cross point shape unit, the width of each edge is
0.75mm.
The exponent number of cross point shape unit is 1, referred to as single order cross point shape unit, and single order cross point shape unit includes four zero
Rank cross point shape unit, four zeroth order cross point shape units form a whole around central point splicing.Four zeroth order crosses point
Shape unit size is identical, and the central point of man-made microstructure 2 is set to O, and the middle part intersection point of zeroth order cross point shape unit is A, 2 points of OA
Spacing be S1, the catercorner length of cross point shape unit is L1, S1：L1=1：6, L1 value is 18mm.Now zeroth order ten
The length of side of word point shape unit is 8mm.
Embodiment 9：
The present embodiment provides a kind of metamaterial frequency selection antenna house for being operated in C-band and Ku wave bands, and the antenna house includes 2 layers
Metamaterial sheet, metamaterial sheet is made up of first medium substrate 1, man-made microstructure 2, and first medium substrate 1 adopts epoxy
Glass cloth laminated board is made, and first medium substrate 1 includes several the equivalently-sized Meta Materials lists in cyclic array arrangement
First 1a, the cross section of metamaterial unit 1a are square, and the value of its length of side a is 16mm.
The surface of each metamaterial unit 1a respectively arranges a man-made microstructure 2, and 2 integral central of man-made microstructure is symmetrical,
And the center superposition of the center of man-made microstructure 2 and metamaterial unit 1a being located, man-made microstructure 2 is using conductive material system
Into the thickness of man-made microstructure 2 is 0.019mm；Conductive material is CNT.
The cross section of man-made microstructure 2 is that cross divides shape unit, each cross point shape unit to include at least one cross
Structure, by changing exponent number, size and the position of cross point shape unit, adjusts the resonant frequency of metamaterial sheet；Each
The overall profile of cross point shape unit is square, and the foursquare length of side is b, the border of man-made microstructure 2 and Meta Materials list
The value of the distance between the border of first 1a d=(a-b)/2, d is 1.5mm, and in cross point shape unit, the width of each edge is
0.85mm.
When the exponent number of cross point shape unit is 2, referred to as second order cross divides shape unit, second order cross point shape unit to include four
Single order cross point shape unit, four single order cross point shape units form a whole around central point splicing.Four single order crosses
Point shape unit size is identical, and the central point of man-made microstructure 2 is set to O, and the middle part intersection point of single order cross point shape unit is B, single order
The middle part intersection point of a zeroth order cross point shape unit in cross point shape unit near 2 central point of man-made microstructure is C, 2 points of OC
Spacing be S2, the spacing that 2 points of OB be S3, S2：The value of S3 is 2：3, the catercorner length of cross point shape unit is L1, S3：
L1=1：4, L1 value is 18mm.
Embodiment 10：
The present embodiment provides a kind of metamaterial frequency selection antenna house for being operated in C-band and Ku wave bands, and the antenna house includes 2 layers
Metamaterial sheet, metamaterial sheet is made up of first medium substrate 1, man-made microstructure 2, and first medium substrate 1 adopts poly- four
PVF is made, and first medium substrate 1 includes several equivalently-sized metamaterial units 1a in cyclic array arrangement, surpasses
The cross section of material cell 1a is square, and the value of its length of side a is 17mm.
The surface of each metamaterial unit 1a respectively arranges a man-made microstructure 2, and 2 integral central of man-made microstructure is symmetrical,
And the center superposition of the center of man-made microstructure 2 and metamaterial unit 1a being located, man-made microstructure 2 is using conductive material system
Into the thickness of man-made microstructure 2 is 0.020mm；Conductive material is graphite.
The cross section of man-made microstructure 2 is that cross divides shape unit, each cross point shape unit to include at least one cross
Structure, by changing exponent number, size and the position of cross point shape unit, adjusts the resonant frequency of metamaterial sheet；Each
The overall profile of cross point shape unit is square, and the foursquare length of side is b, the border of man-made microstructure 2 and Meta Materials list
The value of the distance between the border of first 1a d=(a-b)/2, d is 2mm, and in cross point shape unit, the width of each edge is
0.65mm.
When the exponent number of cross point shape unit is 2, referred to as second order cross divides shape unit, second order cross point shape unit to include four
Single order cross point shape unit, four single order cross point shape units form a whole around central point splicing.Four single order crosses
Point shape unit size is identical, and the central point of man-made microstructure 2 is set to O, and the middle part intersection point of single order cross point shape unit is B, single order
The middle part intersection point of a zeroth order cross point shape unit in cross point shape unit near 2 central point of man-made microstructure is C, 2 points of OC
Spacing be S2, the spacing that 2 points of OB be S3, S2：The value of S3 is 1：4, the catercorner length of cross point shape unit is L1, S3：
L1=1：5, L1 value is 20mm.
Embodiment 11：
The present embodiment provides a kind of metamaterial frequency selection antenna house for being operated in C-band and Ku wave bands, and the antenna house includes 3 layers
Metamaterial sheet, metamaterial sheet is made up of first medium substrate 1, man-made microstructure 2, and first medium substrate 1 adopts epoxy
Glass cloth laminated board is made.First medium substrate 1 includes several the equivalently-sized Meta Materials lists in cyclic array arrangement
First 1a, the cross section of metamaterial unit 1a are square, and the value of its length of side a is 18mm；
The surface of each metamaterial unit 1a respectively arranges a man-made microstructure 2, and 2 integral central of man-made microstructure is symmetrical,
And the center superposition of the center of man-made microstructure 2 and metamaterial unit 1a being located, man-made microstructure 2 is using conductive material system
Into the thickness of man-made microstructure 2 is 0.021mm；Conductive material is CNT.
The cross section of man-made microstructure 2 is that cross divides shape unit, each cross point shape unit to include at least one cross
Structure, by changing exponent number, size and the position of cross point shape unit, adjusts the resonant frequency of metamaterial sheet；Each
The overall profile of cross point shape unit is square, and the foursquare length of side is b, the border of man-made microstructure 2 and Meta Materials list
The value of the distance between the border of first 1a d=(a-b)/2, d is 2mm, and in cross point shape unit, the width of each edge is
0.6mm.
When the exponent number of cross point shape unit is 2, referred to as second order cross divides shape unit, second order cross point shape unit to include four
Single order cross point shape unit, four single order cross point shape units form a whole around central point splicing.Four single order crosses
Point shape unit size is identical, and the central point of man-made microstructure 2 is set to O, and the middle part intersection point of single order cross point shape unit is B, single order
The middle part intersection point of a zeroth order cross point shape unit in cross point shape unit near 2 central point of man-made microstructure is C, 2 points of OC
Spacing be S2, the spacing that 2 points of OB be S3, S2：The value of S3 is 5：12, the catercorner length of cross point shape unit is L1,
S3：L1=1：4, L1 value is 19mm.
Embodiment 12：
The present embodiment provides a kind of metamaterial frequency selection antenna house for being operated in C-band and Ku wave bands, and the antenna house includes 3 layers
Metamaterial sheet, metamaterial sheet is made up of first medium substrate 1, man-made microstructure 2, and first medium substrate 1 is using pottery
Make, first medium substrate 1 includes several equivalently-sized metamaterial units 1a in cyclic array arrangement, Meta Materials list
The cross section of first 1a is square, and the value of its length of side a is 19mm.
The surface of each metamaterial unit 1a respectively arranges a man-made microstructure 2, and 2 integral central of man-made microstructure is symmetrical,
And the center superposition of the center of man-made microstructure 2 and metamaterial unit 1a being located, man-made microstructure 2 is using conductive material system
Into the thickness of man-made microstructure 2 is 0.022mm；Conductive material is metallic copper.
The cross section of man-made microstructure 2 is that cross divides shape unit, each cross point shape unit to include at least one cross
Structure, by changing exponent number, size and the position of cross point shape unit, adjusts the resonant frequency of metamaterial sheet；Each
The overall profile of cross point shape unit is square, and the foursquare length of side is b, the border of man-made microstructure 2 and Meta Materials list
The value of the distance between the border of first 1a d=(a-b)/2, d is 3mm, and in cross point shape unit, the width of each edge is
0.6mm.
When the exponent number of cross point shape unit is 2, referred to as second order cross divides shape unit, second order cross point shape unit to include four
Single order cross point shape unit, four single order cross point shape units form a whole around central point splicing.Four single order crosses
Point shape unit size is identical, and the central point of man-made microstructure 2 is set to O, and the middle part intersection point of single order cross point shape unit is B, single order
The middle part intersection point of a zeroth order cross point shape unit in cross point shape unit near 2 central point of man-made microstructure is C, 2 points of OC
Spacing be S2, the spacing that 2 points of OB be S3, S2：The value of S3 is 1：2, the catercorner length of cross point shape unit is L1, S3：
L1=1：6, L1 value is 19mm.
Those skilled in the art can carry out various modifications and variations to the embodiment of the present invention, if these modifications and change
Within the scope of the claims in the present invention and its equivalent technologies, then these modifications and modification are also in protection scope of the present invention for type
Within.
The prior art that the content not described in detail in specification is known to the skilled person.
Claims (10)
1. a kind of metamaterial frequency selection antenna house, it is characterised in that：The working frequency range of the antenna house is in C-band and Ku wave bands, the day
Irdome includes 1～3 layer of metamaterial sheet, and the metamaterial sheet includes first medium substrate, man-made microstructure, described first
Medium substrate include in cyclic array arrangement several equivalently-sized metamaterial units, the metamaterial unit transversal
Face is square, and the value of its length of side a is 15～19mm；
The surface of each metamaterial unit respectively arranges a man-made microstructure, and the man-made microstructure integral central is symmetrical, and institute
The center of man-made microstructure and the center superposition of the metamaterial unit being located is stated, the man-made microstructure adopts conductive material system
Into the thickness of the man-made microstructure is 0.01～0.023mm；
The cross section of the man-made microstructure is that cross divides shape unit, each cross point shape unit to include that at least one cross is tied
Structure, by changing exponent number, size and the position of cross point shape unit, adjusts the resonant frequency of the metamaterial sheet；Per
The overall profile of individual cross point shape unit is square, and the foursquare length of side is b, and the value of (a-b)/2 is 1～3mm, institute
The width for stating each edge in cross point shape unit is 0.6～0.9mm.
2. metamaterial frequency selection antenna house as claimed in claim 1, it is characterised in that：The exponent number of the cross point shape unit is zero
When, referred to as zeroth order cross divides shape unit, zeroth order cross point shape unit to only include a decussate texture.
3. metamaterial frequency selection antenna house as claimed in claim 2, it is characterised in that：In the zeroth order cross point shape unit ten
Two edge lengths of character form structure are identical, and the length of each edge is 18～22mm.
4. metamaterial frequency selection antenna house as claimed in claim 2, it is characterised in that：The exponent number of the cross point shape unit is 1
When, referred to as single order cross divides shape unit, single order cross point shape unit to include four zeroth order cross point shape units, four zeroth order crosses
Point shape unit forms a whole around central point splicing.
5. metamaterial frequency selection antenna house as claimed in claim 4, it is characterised in that：Four zeroth order crosses point shape unit chi
Very little identical, the central point of the man-made microstructure is set to O, and the middle part intersection point of the zeroth order cross point shape unit is A, 2 points of OA's
Spacing is S1, and the catercorner length of the cross point shape unit is L1, S1：L1=1：The value of 2～6, L1 is 18～22mm.
6. metamaterial frequency selection antenna house as claimed in claim 4, it is characterised in that：The exponent number of the cross point shape unit is 2
When, referred to as second order cross divides shape unit, second order cross point shape unit to include four single order cross point shape units, four single order crosses
Point shape unit forms a whole around central point splicing.
7. metamaterial frequency selection antenna house as claimed in claim 6, it is characterised in that：Four single order crosses point shape unit chi
Very little identical, the central point of the man-made microstructure is set to O, and the middle part intersection point of the single order cross point shape unit is B, the single order
The middle part intersection point of a zeroth order cross point shape unit in cross point shape unit near the man-made microstructure central point is C, OC
2 points of spacing is S2, and the spacing that 2 points of OB is S3, S2：The value of S3 is 3～8：12, the diagonal of the cross point shape unit
Length is L1, S3：L1=1：The value of 2～6, L1 is 18～22mm.
8. metamaterial frequency selection antenna house as claimed in claim 1, it is characterised in that：The metamaterial sheet also includes being covered in
Second medium substrate in the man-made microstructure, the second medium substrate are fitted with the first medium substrates into intimate.
9. metamaterial frequency selection antenna house as claimed in claim 8, it is characterised in that：The first medium substrate, second medium
Substrate is made using polymethacrylimide foam or epoxy glass cloth laminated board.
10. a kind of antenna system, the system include that antenna and antenna house, the antenna house are covered above the antenna, and which is special
Levy and be：The antenna house is metamaterial frequency selection antenna house as claimed in any one of claims 1-9 wherein.
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| CN116940093A (en) * | 2023-05-23 | 2023-10-24 | 安徽大学 | Broadband microwave absorber |
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| CN109755740A (en) * | 2017-11-01 | 2019-05-14 | 航天特种材料及工艺技术研究所 | A kind of band resistance type FSS structure, FSS screen and cover wall structure |
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| CN109004320A (en) * | 2018-08-03 | 2018-12-14 | 中国计量大学 | cross parting structure terahertz filter |
| CN109088172A (en) * | 2018-08-20 | 2018-12-25 | 成都邑电信息技术服务有限公司 | A kind of detail three bands complex type absorbent structures of load based on frequency-selective surfaces |
| CN109346847A (en) * | 2018-11-22 | 2019-02-15 | 云南大学 | A kind of metamaterial structure unit |
| CN112234362A (en) * | 2019-06-30 | 2021-01-15 | Oppo广东移动通信有限公司 | Shell assembly, antenna assembly and electronic equipment |
| CN113031133A (en) * | 2021-03-04 | 2021-06-25 | 南京航空航天大学 | Broadband infrared wave absorption device based on super surface |
| CN116940093A (en) * | 2023-05-23 | 2023-10-24 | 安徽大学 | Broadband microwave absorber |
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