CN103326128B - Metamaterial antenna - Google Patents

Metamaterial antenna Download PDF

Info

Publication number
CN103326128B
CN103326128B CN201210183136.1A CN201210183136A CN103326128B CN 103326128 B CN103326128 B CN 103326128B CN 201210183136 A CN201210183136 A CN 201210183136A CN 103326128 B CN103326128 B CN 103326128B
Authority
CN
China
Prior art keywords
core layer
metamaterial panel
lamella
super
impedance matching
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201210183136.1A
Other languages
Chinese (zh)
Other versions
CN103326128A (en
Inventor
刘若鹏
季春霖
岳玉涛
张凌飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kuang Chi Institute of Advanced Technology
Original Assignee
Kuang Chi Innovative Technology Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kuang Chi Innovative Technology Ltd filed Critical Kuang Chi Innovative Technology Ltd
Priority to CN201210183136.1A priority Critical patent/CN103326128B/en
Publication of CN103326128A publication Critical patent/CN103326128A/en
Application granted granted Critical
Publication of CN103326128B publication Critical patent/CN103326128B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Aerials With Secondary Devices (AREA)
  • Details Of Aerials (AREA)

Abstract

The invention discloses a metamaterial antenna which comprises a metamaterial face plate arranged on the back of a feed source. The metamaterial face plate comprises a core layer and a reflecting plate arranged on the surface of one side of the core layer. The core layer comprises at least one core layer slice layer. Each core layer slice layer comprises a sheet-shaped soft substrate and a plurality of man-made microstructures arranged on the soft substrate. The soft substrates are inflatable slice layers capable of shrinking and expanding, and the inflatable slice layers are combined into a whole side by side. The metamaterial face plate is formed after the inflatable slice layers are expanded, and any longitudinal cross section of the metamaterial face plate has the same shape and size. According to the metamaterial antenna, the soft substrates are adopted, metamaterials can be bent and folded according to needs after being attached to the soft substrates which can be stored when not in use, and therefore the size of the metamaterial antenna in the storing and transporting process can be greatly reduced, and the metamaterial antenna is convenient to carry and strong in applicability.

Description

A kind of Super-material antenna
Technical field
The present invention relates to wireless communication field, particularly relate to a kind of Super-material antenna.
Background technology
Meta Materials refer to a kind of take man-made microstructure as elementary cell, carry out spatial arrangement and there is the new material of special electromagnetic response characteristic in a specific way.In general, the dielectric constant of material and magnetic permeability are determined electromagnetic response by the microstructure in material, Meta Materials does not often depend on the intrinsic speciality of its constituent material to the feature of electromagnetic response, but determined by the feature of its man-made microstructure, be exactly the topological structure and the physical dimension that depend on man-made microstructure to a great extent specifically, its physical dimension is no more than 1/10th of the electromagnetic wavelength of required response usually.The man-made microstructure of Meta Materials and accompanying supporter thereof produce an effective dielectric constant and equivalent permeability at space overlapping, the electric field response of the corresponding Meta Materials of difference and magnetic responsiveness.Artificial design and change dielectric constant values and the magnetic permeability value that the topological structure of man-made microstructure and physical dimension can adjust Meta Materials, and then a series of such as negative index, perfect lens can be possessed and the special electromagnetic property such as to absorb completely.At present, the application of people's growing interest Meta Materials in all kinds of field, such as utilize the electromagnetic property designing antenna that above-mentioned Meta Materials presents, this Super-material antenna can obtain good radiation effect and realize antenna miniaturization.
Meanwhile, traditional portable small-sized antenna major part is rigid structure, is generally metal covering or metal structure is fixed substrate, its weight is bigger than normal, incompressible folding, and needs to be fixed on the support of certain Mechanical Structure Strength, mobility is poor, is not easy to carry and adjustment and maintenance.
Summary of the invention
Technical problem to be solved by this invention is, the folding defect of carrying of, inconvenience bigger than normal for existing antenna weights volume, provides a kind of lightweight, portable Super-material antenna.
The present invention solves the problems of the technologies described above adopted technical scheme: provide a kind of Super-material antenna, described Super-material antenna comprises: comprise the metamaterial panel being arranged on feed rear, the lower edge of described metamaterial panel and the upper end of described feed are in same level, described metamaterial panel comprises core layer and is arranged on the reflecting plate of described core layer back to a side surface of feed, described core layer comprises at least one core layer, the flexible base plate that described core layer comprises sheet and the multiple artificial metal's micro-structurals be arranged on described flexible base plate; Wherein, described flexible base plate is inflation lamella that is collapsible and expansion, and described inflation lamella is combined into entirety in a side-by-side fashion, and the gas density that described inflation lamella is filled with is less than or equal to the density of the outer gas of described inflation lamella; The refraction index profile of described core layer meets following formula:
n ( r ) = n max - dis - Vseg D ;
Vseg=ss+λ×NUMseg;
NUMseg = floor { dis - ss λ } ;
dis=d1+d2;
d 1 = sx 2 + r 2 ;
d2=(L+sy-r)×sinγ;
ss=(L+sy)×sinγ+sx×cosγ;
γ=cos -1(cosα×cosβ);
Wherein, n (r) represents that in described core layer, radius is the refractive index value at r place, and the refraction index profile center of circle of described core layer is the projection of feed equivalent point in described metamaterial panel outer surface place plane;
D = λ n max - n min ;
Sx is the vertical range of described feed equivalent point to described metamaterial panel;
Sy is the distance of described feed equivalent point to described metamaterial panel lower edge, and namely the center of circle is to the distance of described metamaterial panel lower edge;
L represents the effective length of described core layer;
N maxrepresent the maximum of the refractive index of described core layer;
N minrepresent the minimum value of the refractive index of described core layer;
λ represents that frequency is the electromagnetic wavelength of center of antenna frequency;
γ represents that the electromagnetic wave that sends from particular satellite is when described metamaterial panel surface is incident and angle formed by described metamaterial panel normal;
α is the azimuth of particular locality, particular satellite;
β is the elevation angle of particular locality, particular satellite;
Floor represents and rounds downwards.
Wherein, described artificial metal's micro-structural is plane flakes.
Wherein, described core layer refraction index profile is identical and be parallel to each other.
Wherein, described metamaterial panel also comprises the impedance matching layer being arranged on described core layer opposite side, to realize the index matching from air to described core layer.
Wherein, described impedance matching layer comprises at least one impedance matching layer lamella, and the refraction index profile of described impedance matching layer lamella meets following formula:
n i ( r ) = n min i m × n ( r ) m - i m ;
λ=(n max-n min)×(D1+2×D2);
Wherein, i represents the numbering of described impedance matching layer lamella, near described feed impedance matching layer lamella be numbered m, by described feed to described core layer direction, numbering reduce successively, near described core layer described impedance matching layer lamella be numbered 1;
N (r) represents that in described core layer, radius is the refractive index value at r place;
D1 is the thickness of described impedance matching layer; D2 is the thickness of described core layer.
Wherein, after described inflation lamella expansion, the arbitrary longitudinal section of described metamaterial panel of composition is of similar shape and area.
Wherein, the longitudinal section of described metamaterial panel is square, and the distance of described feed equivalent point lower edge mid point of metamaterial panel described in the projector distance of described metamaterial panel outer surface place plane is sy.
Wherein, the longitudinal section of described metamaterial panel is circular or oval, and the distance on described feed equivalent point summit, lower edge of metamaterial panel described in the projector distance of described metamaterial panel outer surface place plane is sy.
Wherein, the longitudinal section of described metamaterial panel is L shape, and the distance of described feed equivalent point lower edge mid point of metamaterial panel described in the projector distance of described metamaterial panel outer surface place plane is sy.
Compared with prior art, the Super-material antenna of the embodiment of the present invention adopts flexible base plate, Meta Materials artificial metal micro-structural is attached to after above flexible base plate can bend on demand, folding, and then can pack up when not using, greatly reduce volume when storage, transport, easy to carry, applicability is strong.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of Super-material antenna of the present invention;
Fig. 2 is the structural representation of core layer of the present invention;
Fig. 3 is the refraction index profile schematic diagram of square core layer;
Fig. 4 is the refraction index profile schematic diagram of circular core layer;
Fig. 5 is the refraction index profile schematic diagram of the core layer of L shape;
Fig. 6 is the structural representation of impedance matching layer of the present invention;
Fig. 7 is the refraction index profile schematic diagram of square impedance matching layer lamella;
Fig. 8 is the refraction index profile schematic diagram of circular impedance matching layer synusia layer;
Fig. 9 is the refraction index profile schematic diagram of the impedance matching layer synusia layer of L shape;
Figure 10 is the schematic diagram of artificial metal's micro-structural of the present invention;
Figure 11 is a kind of derived structure of the artificial metal's micro-structural shown in Figure 10;
Figure 12 is a kind of distressed structure of the artificial metal's micro-structural shown in Figure 10.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Two embodiments are divided to introduce Super-material antenna of the present invention in detail below.
First embodiment
Refer to Fig. 1, Fig. 2 and Fig. 3, the present embodiment adopts feed illuminaton feed, the invention provides a kind of Super-material antenna, Super-material antenna comprises: comprise the metamaterial panel 100 being arranged on feed 1 rear, the lower edge of metamaterial panel 100 and the upper end of feed 1 are in same level, metamaterial panel 100 comprises core layer 10 and is arranged on the reflecting plate 200 of core layer 10 1 side surface, core layer 10 comprises at least one core layer 11, the flexible base plate 13 that core layer 11 comprises sheet and the multiple artificial metal's micro-structurals 12 be arranged on flexible base plate 13, in the present embodiment, metamaterial panel 100 also comprises the impedance matching layer 20 being arranged on core layer 10 opposite side, to realize the index matching of from air to core layer 10.Feed 1 and metamaterial panel 100 all have stent support, and in figure and not shown support, it is not core of the present invention, adopts traditional supporting way.Feed 1 is preferably horn antenna, and this difference of polarization mode according to the TV signal of satellite has different selections, and such as No. 9, culminant star, the existing left-hand circular polarization of its TV signal has right-handed circular polarization again, and therefore feed 1 should adopt the corrugated horn of double-circle polarization.In the present invention, reflecting plate 200 is for having the metallic reflection plate on smooth surface, and can be such as the copper coin of polishing, aluminium sheet or iron plate etc., may also be PEC (perfect electric conductor) reflecting surface, can certainly be metal coating.
Wherein, flexible base plate 13 is inflation lamella that is collapsible and expansion, possesses good soft and insulating properties, inflation lamella 13 is combined into entirety in a side-by-side fashion, in the present embodiment, the arbitrary longitudinal section of metamaterial panel 100 that inflation lamella 13 expands rear composition is of similar shape and area, and namely core layer 10 and impedance matching layer 20 are of similar shape the longitudinal section with area, and longitudinal section herein refers to section vertical with the axis Z2 of metamaterial panel 100 in metamaterial panel 100.The longitudinal section of metamaterial panel 100 is square, circular or L shape, and preferably, the longitudinal section of metamaterial panel 100 is square, and the metamaterial panel 100 obtained so is easily processed, the square of such as 450X450mm, the circle of circle can be diameter be 450mm.Certain metamaterial panel 100 longitudinal section also can intercept other arbitrary shapes into presetting, and concrete shape can be selected according to actual needs.
The gas density that inflation lamella 13 is filled with is less than or equal to the density of the outer gas of inflation lamella, when being filled with the gas less than atmospheric density in inflation lamella 13, Super-material antenna floatability aloft works, and when being filled with air in inflation lamella 13, Super-material antenna floatability works on sea.
Please continue to refer to Fig. 2, core layer 10 comprises multiple core layer 11, and each core layer 11 refraction index profile is identical and be parallel to each other, and multiple core layer 11 fits tightly, each other can be bonding by double faced adhesive tape, or be fixedly connected with by bolt etc.Adjacent core layer 11 also comprises the packed layer 15 covering artificial metal micro-structural 12, and packed layer 15 can air, also can be other dielectric-slab, be preferably the plate-like piece that the material identical with flexible base plate 13 is made.Wherein, the refraction index profile of core layer 11 meets following 9 formula:
n ( r ) = n max - dis - Vseg D - - - ( 1 ) ;
Vseg=ss+λ×NUMseg (2);
NUMseg = floor { dis - ss λ } - - - ( 3 ) ;
D = λ n max - n min - - - ( 4 ) ;
dis=d1+d2 (5);
d 1 = sx 2 + r 2 - - - ( 6 ) ;
d2=(L+sy-r)×sinγ (7);
ss=(L+sy)×sinγ+sx×cosγ (8);
γ=cos -1(cosα×cosβ) (9);
Above-mentioned n (r) represents that in core layer 11, radius is the refractive index value at r place, and the refraction index profile center of circle of core layer 11 is the projection of feed equivalent point X in metamaterial panel 100 outer surface place plane; In fact feed equivalent point X is exactly the feedback point (point focused on occurs electromagnetic wave in feed) of antenna herein.As shown in Figure 3, the longitudinal section of metamaterial panel 100 is square, then feed equivalent point X is sy in the distance of the lower edge mid point ZD of projection (i.e. center of circle O1) the distance metamaterial panel 100 of metamaterial panel 100 outer surface place plane.As shown in Figure 4, now the longitudinal section of metamaterial panel 100 ' is circular, and feed equivalent point X is sy in the distance of the following summit DD of projection (i.e. center of circle O2) the distance metamaterial panel 100 ' of metamaterial panel 100 ' outer surface place plane.As shown in Figure 5, when metamaterial panel 100 " longitudinal section be L shape, feed equivalent point X is in metamaterial panel 100 " projection (i.e. center of circle O3) of outer surface place plane distance metamaterial panel 100 " the distance of lower edge mid point ED be sy.
Sx is the vertical range of feed equivalent point X to metamaterial panel 100; When the deflection angle theta (angle of feed central shaft Z1 and horizontal plane) of feed 1 changes, also can there is slight change in sx.
Sy is the distance of feed equivalent point X to metamaterial panel 100 lower edge, and namely center of circle O1 is to the distance of metamaterial panel 100 lower edge;
L represents the effective length of core layer 11; Effective length herein refers to the bore of antenna, when metamaterial panel be square or L shape time, namely effective length refers to the height of metamaterial panel; When metamaterial panel is rounded, namely effective length refers to the diameter of metamaterial panel.
N maxrepresent the maximum of the refractive index of core lamella 11;
N minrepresent the minimum value of the refractive index of core lamella 11;
λ represents that frequency is the electromagnetic wavelength of center of antenna frequency;
γ represents that the electromagnetic wave that sends from particular satellite is when metamaterial panel 100 surface is incident and angle formed by metamaterial panel 100 normal Z2;
α is the azimuth of particular locality, particular satellite; Such as in Shenzhen, culminant star No. 9 satellites, its satellite aximuth is south by west 46.22 degree, and namely α is 46.22 degree; Be south by west 28.12 degree at the azimuth in Xi'an, namely now α is 28.12 degree.
β is the elevation angle of particular locality, particular satellite; Such as in Shenzhen, culminant star No. 9 satellites, its elevation angle is 52.82 degree; It is 46.32 degree at the elevation angle, Xi'an.;
Electromagnetic wave that culminant star No. 9 satellites send can be obtained when metamaterial panel 100 surface is incident and angle formed by horizontal plane according to formula (9), such as, in Shenzhen, γ=cos -1(cos46.22 × cos52.82), in Xi'an, γ=cos -1(cos28.12 × cos46.32);
Floor represents and rounds downwards.Such as, when (r is in a certain number range) is more than or equal to 0 when being less than 1, and NUMseg gets 0, when (r is in a certain number range) is more than or equal to 1 when being less than 2, and NUMseg gets 1, and the rest may be inferred.
We know, the refractive index between medium is larger, then, when electromagnetic wave is from a medium incident to another medium, reflect larger, and reflection is large, means the loss of energy, at this time just needs the coupling of refractive index, known refractive index wherein μ is relative permeability, and ε is relative dielectric constant, and μ and ε is collectively referred to as electromagnetic parameter.We know that the refractive index of air is constant 1.0, and therefore, design impedance matching layer 20 like this, the refractive index namely near the side of air and air are substantially identical, and the refractive index near the side of core layer 10 is substantially identical with core layer 11 refractive index that it connects.Like this, just achieve the index matching of from air to core layer 10, reduce reflection, namely energy loss can reduce greatly, and it is farther that such electromagnetic wave can transmit.
Refer to Fig. 6, impedance matching layer 20 comprises at least one impedance matching layer lamella 21, and the refraction index profile of impedance matching layer lamella 21 meets following formula:
n i ( r ) = n min i m × ( r ) m - i m - - - ( 10 ) ;
λ=(n max-n min)×(D1+2×D2) (11);
Wherein, n ir () represents that on impedance matching layer lamella 21, radius is the refractive index value at r place, the refraction index profile center of circle of impedance matching layer lamella 21 is the projection of feed equivalent point X in corresponding impedance matching layer lamella 21 outer surface place plane; In fact feed equivalent point X is exactly the feedback point (point focused on occurs electromagnetic wave in feed) of antenna herein, wherein, and n ir () represents that on impedance matching layer lamella 21, radius is the refractive index value at r place, the refraction index profile center of circle O2 of impedance matching layer lamella 21 is the projection of feed equivalent point X in corresponding impedance matching layer lamella 21 outer surface place plane; As shown in Figure 7, the longitudinal section of metamaterial panel 100 is square, then feed equivalent point X is sy in the distance of the lower edge mid point FD of projection (i.e. center of circle O4) the distance metamaterial panel 100 of corresponding impedance matching layer lamella 21 outer surface place plane.As shown in Figure 8, now the longitudinal section of metamaterial panel 100 ' is circular, and feed equivalent point X is sy in the distance of the following summit GD of projection (i.e. center of circle O5) the distance metamaterial panel 100 ' of corresponding impedance matching layer lamella 21 ' outer surface place plane.When metamaterial panel 100 " longitudinal section be L shape; as shown in Figure 9, feed equivalent point X is in projection (i.e. center of circle O6) the distance metamaterial panel 100 of corresponding impedance matching layer lamella 21 ' outer surface place plane " the distance of lower edge mid point HD be sy.
Above-mentioned i represents the numbering of impedance matching layer lamella 21, near feed 1 impedance matching layer lamella 21 be numbered m, by feed 1 to core layer 10 direction, numbering reduce successively, near core layer 10 impedance matching layer lamella 21 be numbered 1;
Above-mentioned n max, n minbe the maximum of the refractive index of core layer 11, minimum value;
D1 is the thickness of impedance matching layer 20, i.e. the thickness of impedance matching layer lamella 21 and the product of the number of plies.D2 is the thickness of core layer 10, i.e. the thickness of core layer 11 and the product of the number of plies.
After satellite and reception area are determined (such as selected No. 9, culminant star, regional Shenzhen), λ, γ can determine.Following variable is also had in formula (1) to formula (11):
Feed equivalent point X is to the vertical range sx of metamaterial panel 100;
Feed equivalent point X is to the distance sy of metamaterial panel 100 lower edge;
The effective length L of core layer 11;
The maximum n of the refractive index of core lamella 11 max;
The minimum value n of the refractive index of core lamella 11 min;
The thickness D1 (or thickness D2 of impedance matching layer 20) of core layer 10;
Simulation software (such as CST, COMSOL, MATLAB) is utilized to regulate the value of above-mentioned several variable, to obtain electromagnetic wave in the good convergence effect in feed equivalent point X place, modulate the electromagnetic wave of particular beam, and then the modulation effect that antenna system can be made to reach optimum.
In the present embodiment, the flexible base plate 13 of each core layer 11 is attached with multiple shape same artificial metal micro structure 12, wherein, multiple artificial metal's micro-structural 12 shapes on the flexible base plate 13 of each core layer 11 of core layer 10 are identical, multiple artificial metal's micro-structurals 12 at same radius place have identical physical dimension, and reduce gradually along with the physical dimension of the increase artificial metal micro-structural 12 of radius.For the geometry meeting artificial metal's micro-structural 12 that above-mentioned core layer 11 refraction index profile requires has multiple, but be all the geometry that can produce response to incident electromagnetic wave, most typically be " work " font structure, in the present embodiment, artificial metal's micro-structural 12 is in plane flakes.Figure 10 to Figure 12 can produce response to change the different geometries topology pattern of artificial metal's micro-structural 12 of Meta Materials elementary cell refractive index to electromagnetic wave, this pattern is artificial metal's micro-structural 12 of the alabastrine geometry of plane, is below described in greater detail.
Figure 10 shows that the schematic diagram of the alabastrine artificial metal's micro-structural 12 of plane, this alabastrine artificial metal's micro-structural 12 has the first metal wire J1 and the second metal wire J2 that mutually vertically divide equally, first metal wire J1 is identical with the length of the second metal wire J2, first metal wire J1 two ends are connected with two the first metal branch F1 of equal length, first metal wire J1 two ends are connected on the mid point of two the first metal branch F1, second metal wire J2 two ends are connected with two the second metal branch F2 of equal length, second metal wire J2 two ends are connected on the mid point of two the second metal branch F2, first metal branch F1 is equal with the length of the second metal branch F2.
Figure 11 is a kind of derived structure of the plane alabastrine artificial metal micro-structural 12 shown in Figure 10.Artificial metal's micro-structural 12 ' of this kind of structure. it is all connected with identical 3rd metal branch F3 ' at the two ends of each first metal branch F1 ' and each second metal branch F2 ', and the mid point of corresponding 3rd metal branch F3 ' is connected with the end points of the first metal branch F1 ' and the second metal branch F2 ' respectively.The rest may be inferred, and the present invention can also derive artificial metal's micro-structural of other form.
Figure 12 is a kind of distressed structure of the plane alabastrine artificial metal micro-structural 12 shown in Figure 10, artificial metal's micro-structural 12 of this kind of structure ", first metal wire J1 " and the second metal wire J2 " not straight line, but folding line, first metal wire J1 " and the second metal wire J2 " be provided with two kink WZ, but the first metal wire J1 " with the second metal wire J2 " remain vertical and divide equally, by arrange kink WZ towards with kink at the first metal wire J1 " with the second metal wire J2 " on relative position, make the artificial metal's micro-structural 12 shown in Fig. 8 " around perpendicular to the first metal wire J1 " with the second metal wire J2 " axis of intersection point all overlaps with former figure to the figure of any direction 90-degree rotation.In addition, other can also be had to be out of shape, such as, the first metal wire J1 " and the second metal wire J2 " multiple kink WZ is all set.
In the present invention, artificial metal's micro-structural 12 is the metal wire such as copper cash or silver-colored line.The method that above-mentioned metal wire can be carved by etching, electroplating, bore quarter, photoetching, electronics quarter or ion is attached on flexible base plate 13, certainly, also can adopt the laser processing technology of three-dimensional.
Second embodiment
In the present embodiment, feed is positioned in metamaterial panel and adopts class waveguide feed, other is identical with the first embodiment, the design principle of metamaterial panel refraction index profile of the present invention is with feed illuminaton feed, the modulation formation particular beam propagated in the cryptomere space that electromagnetic wave is formed after flexible base plate inflation via Super-material antenna is radiated in space, does not repeat them here.
In above embodiment, core layer and impedance matching layer lamella are square, circular and L shape, certainly, also can according to circumstances adopt other to have the shape of similar functions.In addition, the shape of feed and position arrange and are also not limited to shown in figure, and those skilled in the art can carry out corresponding deformation in conjunction with actual conditions.
In sum, special geomery and the arrangement of Meta Materials microcell antenna of the present invention produce unique refraction index profile, the electromagnetic property parameters artificially designing, control and optimize Super-material antenna according to actual needs can modulate the electromagnetic wave of reflection special beam and then the radiation effect that antenna system can be made to reach splendid.The present invention is simultaneously Inflatable antenna, and Meta Materials artificial metal micro-structural is embedded on flexible base plate, and the weight and volume of antenna is compressed all greatly, has the features such as easy to carry, making is simple, applicability is strong.
These are only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims (9)

1. a Super-material antenna, it is characterized in that, described Super-material antenna comprises: comprise the metamaterial panel being arranged on feed rear, the lower edge of described metamaterial panel and the upper end of described feed are in same level, described metamaterial panel comprises core layer and is arranged on the reflecting plate of described core layer back to a side surface of feed, described core layer comprises at least one core layer, the flexible base plate that described core layer comprises sheet and the multiple artificial metal's micro-structurals be arranged on described flexible base plate;
Wherein, described flexible base plate is inflation lamella that is collapsible and expansion, and described inflation lamella is combined into entirety in a side-by-side fashion; The gas density that described inflation lamella is filled with is less than or equal to the density of the outer gas of described inflation lamella; The refraction index profile of described core layer meets following formula:
n ( r ) = n max - dis - Vseg D ;
Vseg=ss+λ×NUMseg;
NUMseg = floor { dis - ss λ } ;
dis=d1+d2;
d 1 = sx 2 + r 2 ;
d2=(L+sy-r)×sinγ;
ss=(L+sy)×sinγ+sx×cosγ;
γ=cos -1(cosα×cosβ);
Wherein, n (r) represents that in described core layer, radius is the refractive index value at r place, and the refraction index profile center of circle of described core layer is the projection of feed equivalent point in described metamaterial panel outer surface place plane;
D = λ n max - n min ;
Sx is the vertical range of described feed equivalent point to described metamaterial panel;
Sy is the distance of described feed equivalent point to described metamaterial panel lower edge, and namely the center of circle is to the distance of described metamaterial panel lower edge;
L represents the effective length of described core layer;
N maxrepresent the maximum of the refractive index of described core layer;
N minrepresent the minimum value of the refractive index of described core layer;
λ represents that frequency is the electromagnetic wavelength of center of antenna frequency;
γ represents that the electromagnetic wave that sends from particular satellite is when described metamaterial panel surface is incident and angle formed by described metamaterial panel normal;
α is the azimuth of particular locality, particular satellite;
β is the elevation angle of particular locality, particular satellite;
Floor represents and rounds downwards.
2. Super-material antenna according to claim 1, is characterized in that, described artificial metal's micro-structural is plane flakes.
3. Super-material antenna according to claim 1, is characterized in that, each described core layer refraction index profile is identical and be parallel to each other.
4. Super-material antenna according to claim 1, is characterized in that, described metamaterial panel also comprises the impedance matching layer being arranged on described core layer opposite side, to realize the index matching from air to described core layer.
5. Super-material antenna according to claim 4, is characterized in that, described impedance matching layer comprises at least one impedance matching layer lamella, and the refraction index profile of described impedance matching layer lamella meets following formula:
n i ( r ) = n min i m × n ( r ) m - i m ;
λ=(n max-n min)×(D1+2×D2);
Wherein, i represents the numbering of described impedance matching layer lamella, near described feed impedance matching layer lamella be numbered m, by described feed to described core layer direction, numbering reduce successively, near described core layer described impedance matching layer lamella be numbered 1;
N (r) represents that in described core layer, radius is the refractive index value at r place;
D1 is the thickness of described impedance matching layer; D2 is the thickness of described core layer.
6. Super-material antenna according to claim 1, is characterized in that, after described inflation lamella expansion, the arbitrary longitudinal section of described metamaterial panel of composition is of similar shape and area.
7. Super-material antenna according to claim 6, it is characterized in that, the longitudinal section of described metamaterial panel is square, and the distance of described feed equivalent point lower edge mid point of metamaterial panel described in the projector distance of described metamaterial panel outer surface place plane is sy.
8. Super-material antenna according to claim 6, it is characterized in that, the longitudinal section of described metamaterial panel is circular or oval, and the distance on described feed equivalent point summit, lower edge of metamaterial panel described in the projector distance of described metamaterial panel outer surface place plane is sy.
9. Super-material antenna according to claim 6, it is characterized in that, the longitudinal section of described metamaterial panel is L shape, and the distance of described feed equivalent point lower edge mid point of metamaterial panel described in the projector distance of described metamaterial panel outer surface place plane is sy.
CN201210183136.1A 2012-03-22 2012-06-05 Metamaterial antenna Active CN103326128B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210183136.1A CN103326128B (en) 2012-03-22 2012-06-05 Metamaterial antenna

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201210079292.3 2012-03-22
CN201210079292 2012-03-22
CN2012100792923 2012-03-22
CN201210183136.1A CN103326128B (en) 2012-03-22 2012-06-05 Metamaterial antenna

Publications (2)

Publication Number Publication Date
CN103326128A CN103326128A (en) 2013-09-25
CN103326128B true CN103326128B (en) 2015-07-08

Family

ID=49194745

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210183136.1A Active CN103326128B (en) 2012-03-22 2012-06-05 Metamaterial antenna

Country Status (1)

Country Link
CN (1) CN103326128B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1860648A (en) * 2003-08-04 2006-11-08 哈里公司 Phased array antenna with discrete capacitive coupling and associated methods
CN101699659A (en) * 2009-11-04 2010-04-28 东南大学 Lens antenna
CN101867094A (en) * 2010-05-02 2010-10-20 兰州大学 Focusing panel antenna
US7826504B2 (en) * 2006-10-19 2010-11-02 Los Alamos National Security, Llc Active terahertz metamaterial devices

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1860648A (en) * 2003-08-04 2006-11-08 哈里公司 Phased array antenna with discrete capacitive coupling and associated methods
US7826504B2 (en) * 2006-10-19 2010-11-02 Los Alamos National Security, Llc Active terahertz metamaterial devices
CN101699659A (en) * 2009-11-04 2010-04-28 东南大学 Lens antenna
CN101867094A (en) * 2010-05-02 2010-10-20 兰州大学 Focusing panel antenna

Also Published As

Publication number Publication date
CN103326128A (en) 2013-09-25

Similar Documents

Publication Publication Date Title
CN102480036B (en) Base station antenna
CN102480048A (en) Base station antenna
CN102480027B (en) Offset-feed type satellite television antenna and satellite television receiving system thereof
CN102480044A (en) Base station antenna
CN103326128B (en) Metamaterial antenna
CN103367906A (en) Directional spreading antenna housing and directional antenna system
CN103036064A (en) Cassegrain type metamaterial antenna
CN102480059B (en) Metamaterial-based antenna
CN102683811B (en) Metamaterial satellite antenna and satellite receiving system
CN102480043A (en) Antenna of base station
CN102480063B (en) Offset satellite television antenna and satellite television receiving system thereof
CN102480050A (en) Antenna of base station
CN102683818B (en) Antenna for satellite communication in motion
CN102480022B (en) Rear-feed type satellite television antenna and satellite television receiving system
CN102800975B (en) Base station antenna
CN103036065B (en) A kind of Cassegrain metamaterial antenna
CN102820546A (en) Microwave antenna adopting metal ellipsoid and similar hyperbolic type metamaterial subreflector
CN102723581B (en) Metamaterial satellite antenna and satellite receiving system
CN102480028B (en) Feed-backward type satellite television antenna and satellite television receiving system thereof
CN103036041A (en) Base station antenna
CN102480046A (en) Base station antenna
CN102593591B (en) Off-set feed type satellite television antenna and satellite television receiving system thereof
CN102709675B (en) Antenna for satellite communication in motion
CN102683881B (en) Positive feedback satellite television antenna and satellite television transceiver system
CN102723609B (en) Meta-material satellite antenna and satellite receiving system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210706

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.