CN203119098U - Planar antenna - Google Patents
Planar antenna Download PDFInfo
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- CN203119098U CN203119098U CN 201220746078 CN201220746078U CN203119098U CN 203119098 U CN203119098 U CN 203119098U CN 201220746078 CN201220746078 CN 201220746078 CN 201220746078 U CN201220746078 U CN 201220746078U CN 203119098 U CN203119098 U CN 203119098U
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Abstract
The utility model discloses a planar antenna, which comprises a planar reflecting plate and an edge covering structure, wherein the edge covering structure is arranged on the planar reflecting plate and used for retraining edges of the planar reflecting plate from buckling and deforming. According to the planar antenna disclosed by the utility model, edges of the planar reflecting plate of the planar antenna are enabled not to buckle or deform easily even in complicated weather conditions through arranging the edge covering structure used for retaining edges of the planar reflecting plate from buckling and deforming on the planar reflecting plate, thereby improving the signal stability and the service life of the antenna.
Description
Technical field
The utility model relates to the communications field, more particularly, relates to a kind of plate aerial.
Background technology
Traditional reflector antenna is generally parabolic antenna, and the signal reflex that parabolic antenna is responsible for receiving is to the signal receiver that is positioned at the focus place.
During electromagnetic wave signal that reception is transmitted from satellite, after parallel electromagnetic wave (because satellite is quite far away with the distance of the earth, its electromagnetic wave that sends can be thought plane wave when arriving ground) reflects by parabolic antenna, converge on the signal receiver.
But the Machining of Curved Surface difficulty of the reflecting surface of parabolic antenna is big, and required precision is also high, therefore, make trouble, and cost is higher.
Existing plate aerial is mainly the plane reflection array antenna.The thesis for the doctorate that the name of being delivered in University of Electronic Science and Technology by doctor Li Hua in 2010 is called " research of microstrip reflection array antenna " has detailed description to existing structure and the design of microstrip reflection array antenna.
Existing reflectarray antenna generally includes the plane reflection plate and is positioned at the feed at plane reflection plate focus place, and the plane reflection plate comprises that substrate and cycle are arranged in the metal structure of a plurality of sub-wavelengths on the substrate (paster or metal wire).The metal structure of each sub-wavelength cell substrate occupied with it can be regarded a phase-shifting unit as, the amount of phase shift that realizes the plane reflection plate by the amount of phase shift that designs each phase-shifting unit distributes, the electromagnetism of realizing emission can be with the form outgoing of plane wave behind the plane reflection plate, and the plane wave in the space that perhaps receives can converge at the feed place.
The baseplate material that reflectarray antenna is commonly used has epoxy resin (FR-4), polytetrafluoroethylene (F4B) etc.The buckling deformation at edge takes place under such material complicated weather environment externally easily, and after the buckling deformation at edge acquired a certain degree, the whole amount of phase shift of previous design distributes will be destroyed, and the performance of antenna will variation.
Summary of the invention
Technical problem to be solved in the utility model is at existing plate aerial easy defective that the buckling deformation at edge takes place under complicated weather environment, to provide a kind of plate aerial with the binding structure that suppresses the buckling deformation of plane reflection panel edges.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of plate aerial is provided, and described plate aerial comprises the plane reflection plate and is arranged on the binding structure that be used for to suppress the buckling deformation of plane reflection panel edges on the plane reflection plate.
Further, described binding structure comprises at least one sub-bound edge, part edge or whole edge of described at least one sub-bound edge parcel plane reflection plate.
Further, described plane reflection plate is triangular plate or polygonal panel.
Further, described polygonal panel is square plate, pentagonal panel, hexagonal plate or octagon plate.
Further, described binding structure comprises that quantity is less than or equal to the sub-bound edge of the angle number of described plane reflection plate, and described each sub-bound edge wraps up an angle of described plane reflection plate.
Further, described binding structure comprises that quantity is less than or equal to the sub-bound edge of the limit number of described plane reflection plate, and described each sub-bound edge wraps up a limit of described plane reflection plate.
Further, whole edges of described each sub-bound edge parcel corresponding sides.
Further, the part edge of described each sub-bound edge parcel corresponding sides.
Further, described plane reflection plate is circular slab or elliptical flat-plate.
Further, described binding structure comprises the sub-bound edge of the arc that at least one and plane reflection panel edges shape are complementary.
Further, described binding structure comprises at least two sub-bound edges along plane reflection panel edges annular array.
Further, described plate aerial also comprises feed and the installing rack that is used for supporting feed and plane reflecting plate.
Further, described installing rack comprises feed fastener, pole and is arranged at the bracing frame of plane reflection backboard face that one end of described pole is fixedlyed connected with bracing frame, the other end of described pole and the flexible connection of feed fastener.
Further, described feed fastener comprises the portion of pressing and urgent splenium two ends extended relative first regulating arm and second regulating arm that is socketed in the feed outer surface, described pole is located between first regulating arm and second regulating arm, an end that links to each other with the feed fastener of described pole offers the slippage slot that runs through the relative two sides of pole vertically, described first regulating arm offers at least one first regulating tank that intersects with described slippage slot, described second regulating arm offers at least one second regulating tank that intersects with described slippage slot, described first regulating tank of one location screw bolt passes, slippage slot and second regulating tank, the two ends of described bolt be threaded respectively first adjusting nut and second adjusting nut are in order to locking or the relative position that unlocks feed fastener and pole.
Further, described feed fastener also comprises a tight fixed bolt, described tight fixed bolt passes described first regulating arm and second regulating arm in the position that approaches the portion of pressing, the two ends of described tight fixed bolt be threaded respectively first locknut and second locknut are tightened first locknut and second locknut in order to the relative position that guarantees first regulating arm and second regulating arm and are made that the portion of pressing is pressed on the outer surface of feed.
Further, described installing rack also comprises the securing member of strut fixation to the antenna installed surface.
Further, described securing member comprises near the setting of plane reflection plate bottom and is set in the engaging lug on the pole and passes the plane reflection plate to be fixed to two screws on the antenna installed surface from described engaging lug two ends.
Further, described pole is provided with first scale, and described feed fastener is provided with second scale, and described first scale and second scale are used for determining the position of the relative pole of feed.
Further, support frame as described above is fixedlyed connected with described binding structure.
Further, support frame as described above comprises the cross structure of being made up of cross bar and vertical pole.
Further, described cross bar is vertical mutually with vertical pole.
Further, described plane reflection plate is square plate, described binding structure comprises four sub-bound edges on four limits of wrapping up described plane reflection plate, the shape at the shape of described each sub-bound edge and the edge of its parcel is complementary, described each sub-bound edge is arranged at the centre position on a limit of its parcel, the two ends of described cross bar are connected the midpoint of two sub-bound edges that are positioned at its both sides, and the two ends of described vertical pole are connected the midpoint of two sub-bound edges that are positioned at its both sides.
Further, described plane reflection plate is circular slab, described binding structure comprises four circular-arc sub-bound edges that wrap up described plane reflection panel edges, the shape at the shape of described each sub-bound edge and the edge of its parcel is complementary, described four sub-bound edges are along plane reflection panel edges annular array, the two ends of described cross bar are connected the midpoint of two sub-bound edges that are positioned at its both sides, and the two ends of described vertical pole are connected the midpoint of two sub-bound edges that are positioned at its both sides.
Further, described plane reflection plate is elliptical flat-plate, described binding structure comprises the sub-bound edge of four arcuations that wrap up described plane reflection panel edges, the shape at the shape of described each sub-bound edge and the edge of its parcel is complementary, described cross bar, the oval-shaped minor axis that vertical pole constitutes with the edge of elliptical flat-plate respectively, major axis overlaps, the intersection point of described cross bar and vertical pole is the oval-shaped center that the edge of elliptical flat-plate constitutes, the two ends of described cross bar are connected the midpoint of two sub-bound edges that are positioned at its both sides, and the two ends of described vertical pole are connected the midpoint of two sub-bound edges that are positioned at its both sides.
Further, described plane reflection plate comprises for the feature board that incident electromagnetic wave is carried out wave beam modulation and the reflector that is used for reflection electromagnetic wave that is arranged on feature board one side, described feature board comprises two or more feature boards unit, described reflector comprises the reflector element with feature board unit respective amount, and the reflector element that described feature board unit is corresponding with it constitutes a phase-shifting unit that is used for phase shift; The man-made structures unit that is used for incident electromagnetic wave is produced electromagnetic response that described feature board unit comprises base board unit and is arranged on described base board unit one side.
Further, described man-made structures unit is the structure with geometrical pattern that electric conducting material constitutes.
Further, described plane reflection plate also comprises for the protective layer that covers described man-made structures unit.
Further, described reflector is attached at described feature board one side surface, and perhaps described reflector and described feature board space arrange, and described reflector is metal coating, metallic film or metal grill reflector.
According to plate aerial of the present utility model, by be provided for suppressing the binding structure of plane reflection panel edges buckling deformation at the plane reflection plate, make the plane reflection plate of plate aerial of the present utility model under the weather environment of complexity, also be not easy to take place edge warping distortion, signal stabilization and the useful life of having improved antenna greatly.
Description of drawings
Fig. 1 is the structural representation of the plane reflection plate of an embodiment of the utility model;
Fig. 2 is the structural representation of the plane reflection plate of another embodiment of the utility model;
Fig. 3 is the front elevational schematic of the feature board that constitutes of a plurality of regular hexagon base board units;
Fig. 4 is the structural representation of the plane reflection plate of another embodiment of the utility model;
Fig. 5 is the structural representation in the reflector of an embodiment of the utility model;
Fig. 6 is the structural representation in the reflector of another embodiment of the utility model;
Fig. 7 is the structural representation of the plate aerial of an embodiment of the utility model;
Fig. 8 is the structural representation of the plate aerial of another embodiment of the utility model;
Fig. 9 is the structural representation of the plate aerial of another embodiment of the utility model;
Figure 10 is the structural representation of the plate aerial of another embodiment of the utility model;
Figure 11 is the structural representation of the plate aerial of another embodiment of the utility model;
Figure 12 is the structural representation of the plate aerial of another embodiment of the utility model;
Figure 13 is another visual angle figure of Figure 12;
Figure 14 is the schematic diagram of the phase-shifting unit that constitutes of alabastrine man-made structures unit, plane;
Figure 15 is the phase I of the alabastrine man-made structures cell geometry growth in plane;
Figure 16 is the second stage of the alabastrine man-made structures cell geometry growth in plane;
Figure 17 is that the amount of phase shift of the phase-shifting unit that constitutes of man-made structures unit shown in Figure 14 is with the change curve of structure growth parameter S;
Figure 18 is that the amount of phase shift of phase-shifting unit of the another kind of structure that constitutes of man-made structures unit shown in Figure 14 is with the change curve of structure growth parameter S;
Figure 19 is the schematic diagram of the phase-shifting unit that constitutes of the man-made structures unit of the another kind of structure of the utility model;
Figure 20 is the growth pattern schematic diagram of man-made structures unit shown in Figure 19;
Figure 21 is that the amount of phase shift of the phase-shifting unit that constitutes of man-made structures unit shown in Figure 19 is with the change curve of structure growth parameter S;
Figure 22 is the schematic diagram of the phase-shifting unit that constitutes of the man-made structures unit of the another kind of structure of the utility model;
Figure 23 is the growth pattern schematic diagram of man-made structures unit shown in Figure 22;
Figure 24 is that the amount of phase shift of the phase-shifting unit that constitutes of man-made structures unit shown in Figure 22 is with the change curve of structure growth parameter S;
Figure 25 is a kind of derived structure of man-made structures unit shown in Figure 14;
Figure 26 is a kind of distressed structure of man-made structures unit shown in Figure 14;
Figure 27 a is the schematic diagram of the man-made structures unit of triangle metal sheet;
Figure 27 b is the schematic diagram of the man-made structures unit of square-shaped metal sheet;
Figure 27 c is the schematic diagram of the man-made structures unit of circular metal sheet;
Figure 27 d is the schematic diagram of the man-made structures unit of circular metal ring-type;
Figure 27 e is the schematic diagram of the man-made structures unit of square metal ring-type;
Figure 28 is a kind of structural representation of phase-shifting unit of form.
Embodiment
The utility model relates to a kind of plate aerial, and described plate aerial comprises the plane reflection plate and is arranged on the binding structure that be used for to suppress the buckling deformation of plane reflection panel edges on the plane reflection plate.The plane reflection plate is used for making incident electromagnetic wave to focus on, perhaps make electromagnetic wave that feed sends behind the plane reflection plate with the form of plane wave to outgoing.Described binding structure comprises at least one sub-bound edge, part edge or whole edge of described at least one sub-bound edge parcel plane reflection plate.
In the utility model, described plane reflection plate can be triangular plate or polygonal panel.Polygonal panel for example can be square plate, pentagonal panel, hexagonal plate or octagon plate.In addition, the plane reflection plate can also be that other edges such as circular slab or elliptical flat-plate are the plate of curve shape.
Be under triangle or the polygonal situation at the plane reflection plate, described binding structure comprises that quantity is less than or equal to the sub-bound edge of the angle number of described plane reflection plate, described each sub-bound edge wraps up an angle of described plane reflection plate, preferably, described binding structure comprises and the sub-bound edge of the corresponding quantity of angle number of described plane reflection plate that described each sub-bound edge wraps up an angle of described plane reflection plate.Certainly, in such cases, described binding structure can also comprise that quantity is less than or equal to the sub-bound edge of the limit number of described plane reflection plate, described each sub-bound edge wraps up a limit of described plane reflection plate, the part edge of whole edges of described each sub-bound edge parcel corresponding sides or described each sub-bound edge parcel corresponding sides.
Be under the situation of circular slab or elliptical flat-plate at the plane reflection plate, described binding structure comprises the sub-bound edge of the arc that at least one and plane reflection panel edges shape are complementary.Preferably, described binding structure comprises at least two sub-bound edges along plane reflection panel edges annular array.
In the utility model, as Fig. 1 and shown in Figure 28, described plane reflection plate RS comprises for the feature board 1 that incident electromagnetic wave is carried out wave beam modulation and the reflector 2 that is used for reflection electromagnetic wave that is arranged on feature board 1 one sides, described feature board 1 comprises two or more feature boards unit 10, described reflector 2 comprises the reflector element 20 with feature board unit 10 respective amount, and described feature board unit 10 reflector elements 20 corresponding with it constitute a phase-shifting unit 100 that is used for phase shift; The man-made structures unit M that is used for incident electromagnetic wave is produced electromagnetic response that described feature board unit 10 comprises base board unit V and is arranged on described base board unit V one side.Man-made structures unit M can be attached directly to the surface of base board unit V, as shown in figure 28; Certainly, man-made structures unit M also can with the spaced surface setting of base board unit V, for example man-made structures unit M can be supported on the base board unit V by bar, or by foam at interval.Be understandable that the plane reflection slab integral can be spliced by a plurality of independently phase-shifting units 100, also can be constituted by a monoblock feature board 1 and a monoblock reflector 2.
The quantity of feature board unit 10 is set as required, can be two or more.For example can be side by side 2,2 * 2 array, 10 * 10 array, 100 * 100 array, 1000 * 1000 array, array of 10000 * 10000 etc.
Plane reflection plate of the present utility model, its feature board can also can be the sandwich construction that is made of a plurality of lamellas for one deck structure shown in Figure 1, can adopt glue bonding between a plurality of lamellas, perhaps adopt mechanical system to connect, connect or the buckle connection as bolt.As shown in Figure 2, be a kind of feature board 1 of sandwich construction of form, this feature board 1 comprises three lamellas 11.Certainly Fig. 2 just schematically, the double-layer structure that feature board 1 of the present utility model also is made of two lamellas or the sandwich construction that is constituted by the lamella more than four.
In the utility model, the cross section figure of base board unit V can have various ways.The cross section figure of the base board unit of rule can be triangle or polygon, preferably, the cross section figure of base board unit is equilateral triangle, square, rhombus, regular pentagon, regular hexagon or octagon, and it is foursquare base board unit that the cross section figure has been shown among Fig. 1; It is the front elevational schematic of the feature board 1 that constitutes of regular hexagon base board unit that Fig. 3 shows by a plurality of cross section figures.The cross section figure of base board unit is preferably equilateral triangle, square, rhombus, regular pentagon, regular hexagon or octagon, the length of side of the cross section figure of base board unit is less than 1/2nd of the corresponding electromagnetic wavelength of centre frequency of this plane reflection plate working frequency range, preferably, the length of side of the cross section figure of base board unit is less than 1/4th of the corresponding electromagnetic wavelength of centre frequency of this plane reflection plate working frequency range; More preferably, the length of side of the cross section figure of base board unit is less than 1/8th of the corresponding electromagnetic wavelength of centre frequency of this plane reflection plate working frequency range; More preferably, the length of side of the cross section figure of base board unit is less than 1/10th of the corresponding electromagnetic wavelength of centre frequency of this plane reflection plate working frequency range.Certainly, the cross section figure of base board unit also can be irregular figure.
Base board unit can be made by ceramic material, macromolecular material, ferroelectric material, ferrite material or ferromagnetic material, and macromolecular material can be polystyrene, polypropylene, polyimides, polyethylene, polyether-ether-ketone, polytetrafluoroethylene or epoxy resin.
The man-made structures unit can be the structure with geometrical pattern that electric conducting material constitutes, and electric conducting material can be metal or non-metallic conducting material, and described metal is gold, silver, copper, billon, silver alloy, copper alloy, kirsite or aluminium alloy; Described non-metallic conducting material is electrically conductive graphite, indium tin oxide or Al-Doped ZnO.The processing mode of man-made structures unit can have multiple, can be attached on the base board unit respectively by etching, plating, brill quarter, photoetching, electronics is carved or ion is carved method.
Man-made structures unit M can produce electromagnetic response to incident electromagnetic wave, and electromagnetic response herein can be electric field response, also can be magnetic responsiveness, or existing electric field response has magnetic responsiveness again.Electric field response can be based on electric resonance, electric dipole or the combination of the two; Equally, magnetic responsiveness can be based on magnetic resonance, magnetic dipole or the combination of the two.
In order to protect the man-made structures unit; in another embodiment of the present utility model; also be coated with protective layer on the man-made structures unit, protective layer can be polystyrene (PS) plastic film, polyethylene terephthalate's (PET) plastic film or high impact polystyrene (HIPS) plastic film.
When adopting single piece of metal sheet, metal coating or metallic film as the reflector, its thickness is generally thinner, is about the 0.01-0.03 millimeter, the length of sheet metal, metal coating or metallic film and wide its thickness that is far longer than.When preparation and practical application, easily because the effect generation warpage of stress has reduced the yield in the preparation of product process on the one hand, cause a large amount of wastes, also increased the maintenance cost after product uses on the other hand.
Among the embodiment of the present utility model, the metal grill reflector is adopted in reflector 2, and the metal grill reflector is made of the sheet metal of multi-disc space.The length and width value of each sheet metal and the difference of one-tenth-value thickness 1/10 reduce, thereby reduce product stress, avoid the reflector warpage.Yet owing to have the slit between each sheet metal, if produce the graing lobe effect when the wide meeting of the width in slit makes electromagnetic wave by latticed baffle reflection, bring influence for plane reflection plate performance, can make the length and width value of each sheet metal and the difference of one-tenth-value thickness 1/10 increase if the width in slit is narrow, be unfavorable for the release of stress.Preferably, described multi-disc sheet metal interval each other is less than 1/20th of the corresponding electromagnetic wavelength of centre frequency of plane reflection plate working frequency range.The shape of single metal sheet can be triangle or polygon.In a preferred embodiment, as shown in Figure 5, described metal grill reflector WG is made of the sheet metal 4 of multi-disc space, and the single metal plate shape is square.
In another preferred embodiment, as shown in Figure 6, the serve as reasons network structure with many mesh of the crisscross formation of many metal line of described metal grill reflector WG, many metal line are divided into longitudinal metal line ZX and transverse metal line HX among the figure, form a plurality of mesh WK between longitudinal metal line ZX and the transverse metal line HX, the shape of single mesh WK can be triangle or polygon.And the shape of all mesh WK can be identical, also can be different.
In the embodiment shown in fig. 6, preferably, the shape of all mesh WK is square, and longitudinal metal line ZX is identical with the live width of transverse metal line HX.The length of side of described single mesh is less than 1/2nd wavelength, and the live width of described many metal line is more than or equal to 0.01mm.Preferentially, the length of side of described single mesh is 0.01mm to 1/2nd of the corresponding electromagnetic wavelength of centre frequency of antenna working frequency range, and the live width of described many metal line is 0.01mm to 5 times of the corresponding electromagnetic wavelength of centre frequency of antenna working frequency range.
In the description in above-mentioned reflector, all with metal material as reflector material, but should know the reflection electromagnetic wave that act as in reflector in the utility model, as long as therefore can reach the optional material that the material of reflection electromagnetic wave is the utility model reflector.In addition, the reflector can also be other structure with similar functions, for example frequency-selective surfaces FSS, photonic crystal or high impedance surface.
As shown in Figure 7, be the structural representation of the plate aerial of an embodiment of the present utility model.In the present embodiment, described plane reflection plate RS is square plate, and described binding structure comprises four sub-bound edges 21, the angle of the described plane reflection plate RS of described each sub-bound edge 21 parcel.
As shown in Figure 8, be the structural representation of the plate aerial of another embodiment of the present utility model.In the present embodiment, described plane reflection plate RS is square plate, and described binding structure comprises two sub-bound edges 22, whole edges of the two opposite edges of described two described plane reflection plate RS of sub-bound edge 22 parcels.
As shown in Figure 9, be the structural representation of the plate aerial of another embodiment of the present utility model.In the present embodiment, described plane reflection plate RS is square plate, and described binding structure comprises a sub-bound edge 23, whole edges of a described described plane reflection plate RS of sub-bound edge 23 parcels.
As shown in figure 10, be the structural representation of the plate aerial of another embodiment of the present utility model.In the present embodiment, described plane reflection plate RS is circular slab, and described binding structure comprises along four sub-bound edges 24 of plane reflection plate RS edge annular array, the part edge of the described plane reflection plate RS of described each sub-bound edge 24 parcel.
As shown in figure 11, be the structural representation of the plate aerial of another embodiment of the present utility model.In the present embodiment, described plane reflection plate 10 is circular slab, and described binding structure comprises a sub-bound edge 25, whole edges of a described described plane reflection plate RS of sub-bound edge 25 parcels.
As Figure 12 and shown in Figure 13, be the structural representation of the plate aerial of another embodiment of the present utility model.In the present embodiment, described plate aerial also comprises feed 3 and the installing rack 4 that is used for supporting feed 3 and plane reflecting plate RS.Described installing rack 4 comprises feed fastener 41, pole 42 and is arranged at the bracing frame 43 at the plane reflection plate RS back side that one end of described pole 42 is fixedlyed connected with bracing frame 43, the other end of described pole 42 and 41 flexible connections of feed fastener.
Preferably, described feed fastener 41 comprises the portion of pressing 410 and urgent splenium two ends extended relative first regulating arm 411 and second regulating arm 412 that is socketed in the feed outer surface, described pole 42 is located between first regulating arm 411 and second regulating arm 412, an end that links to each other with feed fastener 41 of described pole 42 offers the slippage slot 420 that runs through pole 42 relative two sides vertically, described first regulating arm 411 offers at least one first regulating tank 413 that intersects with described slippage slot 420, described second regulating arm 412 offers at least one second regulating tank 414 that intersects with described slippage slot 420, one location bolt 5 passes described first regulating tank 413 successively, slippage slot 420 and second regulating tank 414, the two ends of described bolt 5 be threaded respectively first adjusting nut 6 and second adjusting nut 7 are in order to locking or the relative position that unlocks feed fastener 41 and pole 42.
Preferably, described feed fastener 41 also comprises a tight fixed bolt 415, described tight fixed bolt 415 passes described first regulating arm 411 and second regulating arm 412 in approaching position of pressing portion 410, the two ends of described tight fixed bolt 415 be threaded respectively first locknut 416 and second locknut 417 are tightened first locknut 416 and second locknut 417 in order to the relative position that guarantees first regulating arm 411 and second regulating arm 412 and are made that pressing portion 410 is pressed on the outer surface of feed 3.
Preferably, described installing rack 4 also comprises the securing member 44 of strut fixation to the antenna installed surface.Preferably, described securing member 44 comprises near the setting of plane reflection plate RS bottom and is set in the engaging lug 440 on the pole 42 and passes plane reflection plate RS to be fixed to two screws 441 on the antenna installed surface from described engaging lug 440 two ends.
Preferably, described pole 42 is provided with first scale, and described feed fastener 41 is provided with second scale, and described first scale and second scale are used for determining the position of feed 3 relative poles 42.
Preferably, support frame as described above 43 is fixedlyed connected with described binding structure BB.
Preferably, support frame as described above 43 comprises the cross structure of being made up of cross bar 431 and vertical pole 432.More preferably, described cross bar 431 is vertical mutually with vertical pole 432.
In a preferred embodiment of the present utility model, as Figure 12 and shown in Figure 13, described plane reflection plate RS is circular slab, described binding structure BB comprises four circular-arc sub-bound edges 26 at the described plane reflection plate RS of parcel edge, the shape at the shape of described each sub-bound edge 26 and the edge of its parcel is complementary, described four sub-bound edges 26 are along plane reflection plate RS edge annular array, the two ends of described cross bar 431 are connected the midpoint of two sub-bound edges that are positioned at its both sides, and the two ends of described vertical pole 432 are connected the midpoint of two sub-bound edges that are positioned at its both sides.
In another embodiment of the present utility model, described plane reflection plate is square plate, described binding structure comprises four sub-bound edges on four limits of wrapping up described plane reflection plate, the shape at the shape of described each sub-bound edge and the edge of its parcel is complementary, described each sub-bound edge is arranged at the centre position on a limit of its parcel, the two ends of described cross bar are connected the midpoint of two sub-bound edges that are positioned at its both sides, and the two ends of described vertical pole are connected the midpoint of two sub-bound edges that are positioned at its both sides.
In another embodiment of the present utility model, described plane reflection plate is elliptical flat-plate, described binding structure comprises the sub-bound edge of four arcuations that wrap up described plane reflection panel edges, the shape at the shape of described each sub-bound edge and the edge of its parcel is complementary, described cross bar, the oval-shaped minor axis that vertical pole constitutes with the edge of elliptical flat-plate respectively, major axis overlaps, the intersection point of described cross bar and vertical pole is the oval-shaped center that the edge of elliptical flat-plate constitutes, the two ends of described cross bar are connected the midpoint of two sub-bound edges that are positioned at its both sides, and the two ends of described vertical pole are connected the midpoint of two sub-bound edges that are positioned at its both sides.
In the utility model, the electromagnetic wave that incides phase-shifting unit 100 passes 10 backs, described feature board unit by described reflector element 20 reflections, outgoing after the electromagnetic wave of reflection passes described feature board unit 10 again, the absolute value of the difference of the phase place the when phase place during outgoing and incident is called amount of phase shift.Initial phase during according to incident distributes and needed target phase distributes (for example being at a time smooth equiphase surface), calculate the needed phase change amount distribution of plane reflection plate (the whole amount of phase shift that is the plane reflection plate distributes), whole amount of phase shift according to the plane reflection plate distributes again, design the amount of phase shift of each phase-shifting unit, can realize that required target phase distributes.
The amount of phase shift of plane reflection plate distributes and can adopt the method for putting down in writing in the thesis for the doctorate of doctor's Li Hua " research of microstrip reflection array antenna " to design, and also can adopt following a kind of method for designing of the present utility model.
This method is as follows:
S1, the excursion of the amount of phase shift of each phase-shifting unit is set, the vector space Θ of the amount of phase shift of n phase-shifting unit of structure; The electromagenetic wave radiation directional diagram corresponding parameters index of expection is set.The parameter index here mainly refers to have influence on the key technical indexes of electromagenetic wave radiation directional diagram, and under the different application scenarioss, the technical indicator of concern is different, for example, can be half-power beam width, main beam pointing etc.
S2, the vector space Θ of described amount of phase shift is sampled, generate the sampling vector space Θ of individual phase-shifting unit of m(m＜n)
0The sampling here can be the various methods of samplings of using always, for example random sampling, systematic sampling etc.
S3, the described sampling vector space of foundation are calculated the amount of phase shift that remains n-m phase-shifting unit by interpolation method, generate the vector space Θ of the new amount of phase shift of n phase-shifting unit
iInterpolation method can be Gaussian process interpolation method, batten Changzhi method etc.
S4, calculating Θ
iThe corresponding parameters index judges whether the parameters calculated index satisfies preset requirement, if, Θ then
iBe the vector space of the amount of phase shift of satisfying the demand; If not, then generate new sampling vector space by default optimization algorithm, and generate the vector space Θ of new amount of phase shift by interpolation method
I+1, circulation is carried out until satisfying preset requirement.Default optimization algorithm can be simulated annealing, genetic algorithm, TABU search scheduling algorithm.Preset requirement for example can comprise the threshold value of parameter index and the scope of precision.
The amount of phase shift that also can obtain realizing the plane reflection plate of antenna pattern particular technology index by said method distributes.The working frequency range of given antenna, physical size, material and the electromagnetic parameter of base board unit have been determined, and the material of man-made structures unit, thickness and topological structure, utilize simulation software, as CST, MATLAB, COMSOL etc., the amount of phase shift of phase-shifting unit can be obtained with the change curve of man-made structures cell geometry growth, the corresponding relation of continually varying phase-shifting unit and amount of phase shift can be obtained.
In the present embodiment, the structural design of phase-shifting unit can obtain by Computer Simulation (CST emulation), and is specific as follows:
(1) determines the material of base board unit.The material of base board unit for example is epoxy resin FR-4, polytetrafluoroethylene F4b or polystyrene PS etc.
(2) determine shape and the physical size of base board unit.For example, it is foursquare square sheet that base board unit can be the cross section figure, the physical size of base board unit is obtained by the centre frequency of the working frequency range of antenna, utilize centre frequency to obtain its wavelength, get again less than 1/2nd a numerical value of the wavelength length of side as base board unit cross section figure, for example the length of side of base board unit cross section figure be the antenna working frequency range the corresponding electromagnetic wavelength of centre frequency 1/10th.The thickness of base board unit is different according to the working frequency range of antenna, when working in the Ku wave band as antenna, and the desirable 0.5-4mm of the thickness of base board unit; When antenna works in X-band, the desirable 0.7-6.5mm of the thickness of base board unit; When antenna works in C-band, the desirable 1-12mm of the thickness of base board unit; For example exist, under the ku wave band, the thickness of base board unit can be taken as 1mm, 2mm etc.
(3) determine material, thickness and the topological structure of man-made structures unit.For example, the material of man-made structures unit is copper, the topological structure of man-made structures unit can be alabastrine man-made structures unit, plane shown in Figure 14, described alabastrine man-made structures unit has the first metal wire J1 and the second metal wire J2 that vertically divides equally mutually, the described first metal wire J1 is identical with the length of the second metal wire J2, the described first metal wire J1 two ends are connected with two first F1 of metal branch of equal length, the described first metal wire J1 two ends are connected on the mid point of two first F1 of metal branch, the described second metal wire J2 two ends are connected with two second F2 of metal branch of equal length, the described second metal wire J2 two ends are connected on the mid point of two second F2 of metal branch, the equal in length of described first F1 of metal branch and second F2 of metal branch; Topological structure herein refers to the base shape that the man-made structures cell geometry is grown.The thickness of man-made structures unit can be 0.005-1mm.For example be 0.018mm.
(4) determine the geometrical form growth parameter(s) of man-made structures unit, represent with S herein.For example, the geometrical form growth parameter(s) S of alabastrine man-made structures unit, plane as shown in figure 14 can comprise the live width W of man-made structures unit, the length a of the first metal wire J1, the length b of first F1 of metal branch.
(5) determine the growth restrictive condition of the geometry of man-made structures unit.For example, the growth restrictive condition of the geometry of the man-made structures unit of alabastrine man-made structures unit, plane as shown in figure 14 has, minimum spacing WL(between the man-made structures unit as shown in figure 14, the distance on the limit of man-made structures unit and base board unit is WL/2), the live width W of man-made structures unit, and first the minimum spacing between metal branch and the second metal branch, this minimum spacing can and the man-made structures unit between minimum spacing WL be consistent; Because the processing technology restriction, WL is usually more than or equal to 0.1mm, and same, live width W is greater than to equal 0.1mm.During emulation for the first time, WL can get 0.1mm, and W can get certain value (live width that is the man-made structures unit is even), for example 0.14mm or 0.3mm, this moment, the geometrical form growth parameter(s) of man-made structures unit had only two variablees of a, b, made structure growth parameter S=a+b.The geometry of man-made structures unit by as Figure 15 growth pattern shown in Figure 16 extremely, corresponding to a certain particular centre frequency (for example 11.95GHZ), can obtain a continuous amount of phase shift excursion.
Be example with man-made structures unit shown in Figure 14, particularly, the growth of the geometry of described man-made structures unit comprises two stages (base shape of geometry growth is man-made structures unit shown in Figure 14):
Phase I: according to the growth restrictive condition, under the situation that b value remains unchanged, a value is changed to maximum from minimum value, b=0 at this moment, S=a, the man-made structures unit in this growth course is " ten " font (except when a gets minimum value).The minimum value of a is live width W, and the maximum of a is (BC-WL).Therefore, in the phase I, the growth of the geometry of man-made structures unit is the square JX1 of W from the length of side namely as shown in figure 15, grows into maximum " ten " font geometry JD1 gradually.
Second stage: according to the growth restrictive condition, when a was increased to maximum, a remained unchanged; At this moment, b is increased continuously maximum from minimum value, this moment, b was not equal to 0, S=a+b, and the man-made structures unit in this growth course is the plane flakes.The minimum value of b is live width W, and the maximum of b is (BC-WL-2W).Therefore, in second stage, the growth of the geometry of man-made structures unit as shown in figure 16, namely from " ten " font geometry JD1 of maximum, grow into the maximum alabastrine geometry JD2 in plane gradually, the alabastrine geometry JD2 in the plane of maximum herein refers to that the length b of first J1 of metal branch and second J2 of metal branch can not extend again, otherwise the first metal branch and the second metal branch will take place to intersect.
Using said method makes the phase-shifting unit that construction unit constitutes to following three-type-person and carries out emulation:
(1) Figure 14 shows that the phase-shifting unit that alabastrine man-made structures unit, plane constitutes, in first kind of structure of this phase-shifting unit, the material of base board unit V is polystyrene (PS), and its dielectric constant is 2.7, and loss angle tangent is 0.0009; The physical size of base board unit V is that thickness 2mm, cross section figure are that the length of side is the square of 2.7mm; The material of man-made structures unit is copper, and its thickness is 0.018mm; The material of reflector element is copper, and its thickness is 0.018mm; Herein, the structure growth parameter S is the length b sum of length a and first F1 of metal branch of the first metal wire J1.The growth pattern of phase-shifting unit with man-made structures unit of this structure sees also Figure 15 to Figure 16; Its amount of phase shift of phase-shifting unit with this artificial construction unit with the variation of structure growth parameter S as shown in figure 17.As can be seen from the figure, the amount of phase shift of phase-shifting unit is the continuous increase continually varying along with the S parameter, and the excursion of the amount of phase shift of this phase-shifting unit is probably at the 10-230 degree, and the difference of its maximum amount of phase shift and minimum amount of phase shift is about 220 degree, less than 360 degree.In second kind of structure of this phase-shifting unit, only changing base board unit V cross section figure is that the length of side is the square of 8.2mm, other parameter constant, have this kind structure the man-made structures unit its amount of phase shift of phase-shifting unit with the variation of structure growth parameter S as shown in figure 18; As can be seen from the figure, the amount of phase shift of this phase-shifting unit is the continuous increase continually varying along with the S parameter, the excursion of the amount of phase shift of this phase-shifting unit is probably at the 275-525 degree, and the difference of its maximum amount of phase shift and minimum amount of phase shift is about 250 degree, still less than 360 degree.
(2) be the phase-shifting unit of the man-made structures unit formation of another kind of form as shown in figure 19, this man-made structures unit has the first main line Z1 and the second main line Z2 that vertically divides equally mutually, the first main line Z1 is identical with the second main line Z2 geomery, the first main line Z1 two ends are connected with two first identical right angle chine ZJ1, the first main line Z1 two ends are connected the corner of two first right angle chine ZJ1, the second main line Z2 two ends are connected with two second right angle chine ZJ2, the second main line Z2 two ends are connected the corner of two second right angle chine ZJ2, the first right angle chine ZJ1 is identical with the second right angle chine ZJ2 geomery, the first right angle chine ZJ1, two arms of angle of the second right angle chine ZJ2 are parallel to two limits of square substrate unit, the first main line Z1 respectively, the second main line Z2 is the first right angle chine ZJ1, the angular bisector of the second right angle chine ZJ2.In this phase-shifting unit, the material of base board unit V is polystyrene (PS), and its dielectric constant is 2.7, and loss angle tangent is 0.0009; The physical size of base board unit is that thickness 2mm, cross section figure are that the length of side is the square of 2mm; The material of man-made structures unit is copper, and its thickness is 0.018mm; The material of reflector element is copper, and its thickness is 0.018mm; Herein, the structure growth parameter S is the length sum of first main line and the first right angle chine.The growth pattern of the man-made structures unit on this phase-shifting unit sees also Figure 20; Its amount of phase shift of phase-shifting unit with this artificial construction unit with the variation of structure growth parameter S as shown in figure 21.As can be seen from the figure, the amount of phase shift of phase-shifting unit is the continuous increase continually varying along with the S parameter, and the excursion of the amount of phase shift of this phase-shifting unit is probably at the 10-150 degree, and the difference of its maximum amount of phase shift and minimum amount of phase shift is about 140 degree, less than 360 degree.
(3) be the phase-shifting unit of the man-made structures unit formation of another kind of form as shown in figure 22, this man-made structures unit has the first backbone GX1 and the second dried main line GX2 that vertically divides equally mutually, the first backbone GX1 is identical with the geomery of the second dried main line GX2, the first backbone GX1 two ends are connected with two first straight line ZX1 that extend in opposite direction, the second backbone GX2 two ends are connected with two second straight line ZX2 that extend in opposite direction, the first straight line ZX1 is identical with the geomery of the second straight line ZX2, the first straight line ZX1 and the second straight line ZX2 are parallel to two limits of square substrate unit V respectively, the angle of the first straight line ZX1 and the first backbone GX2 is 45 degree, and the angle of the second straight line ZX2 and the second backbone GX2 is 45 degree.In this phase-shifting unit, the material of base board unit V is polystyrene (PS), and its dielectric constant is 2.7, and loss angle tangent is 0.0009; The physical size of base board unit V is that thickness 2mm, cross section figure are that the length of side is the square of 2mm; The material of man-made structures unit is copper, and its thickness is 0.018mm; The material of reflector element is copper, and its thickness is 0.018mm.Herein, the structure growth parameter S is the length sum of first main line and first broken line.The growth pattern of the man-made structures unit on this phase-shifting unit sees also Figure 23; Its amount of phase shift of phase-shifting unit with this artificial construction unit with the variation of structure growth parameter S as shown in figure 24.As can be seen from the figure, the amount of phase shift of phase-shifting unit is the continuous increase continually varying along with the S parameter, and the excursion of the amount of phase shift of this phase-shifting unit is probably at the 10-130 degree, and the difference of its maximum amount of phase shift and minimum amount of phase shift is about 120 degree, less than 360 degree.
In addition, the alabastrine man-made structures unit further in plane shown in Figure 14 has other distortion.
Figure 25 is a kind of derived structure of alabastrine man-made structures unit, plane shown in Figure 14.Its two ends at each first F1 of metal branch and each second F2 of metal branch all are connected with identical the 3rd F3 of metal branch, and the mid point of corresponding the 3rd F3 of metal branch links to each other with the end points of first F1 of metal branch and second F2 of metal branch respectively.The rest may be inferred, and the utility model can also derive the man-made structures unit of other form.The base shape of just man-made structures cell geometry growth shown in Figure 25.
Figure 26 is a kind of distressed structure of alabastrine man-made structures unit, plane shown in Figure 14, the man-made structures unit of this kind structure, the first metal wire J1 and the second metal wire J2 are not straight lines, but folding line, the first metal wire J1 and the second metal wire J2 are provided with two kink WZ, but the first metal wire J1 remains vertical with the second metal wire J2 to be divided equally, by arrange kink towards with the relative position of kink on first metal wire and second metal wire, make man-made structures unit shown in Figure 26 wind to revolve the figure that turn 90 degrees with the axis of the second metal wire intersection point to any direction perpendicular to first metal wire all to overlap with former figure.In addition, other distortion can also be arranged, for example, the first metal wire J1 and the second metal wire J2 all arrange a plurality of kink WZ.The base shape of just man-made structures cell geometry growth shown in Figure 26.
Except the man-made structures unit of three kinds of above-mentioned topological structures, the utility model can also have the man-made structures unit of other topological structure.Triangle metal sheet shown in Figure 27 a; Square-shaped metal sheet shown in Figure 27 b, the circular metal plate shown in Figure 27 c; Circular metal ring shown in Figure 27 d; Square metal ring shown in Figure 27 e etc.Also can obtain having the amount of phase shift of phase-shifting unit of above-mentioned man-made structures unit by said method with the change curve of structure growth parameter S.
If the amount of phase shift scope of the phase-shifting unit that obtains by above-mentioned growth has comprised the amount of phase shift scope (can get required maximum amount of phase shift and minimum amount of phase shift simultaneously) of needs, then satisfy the design needs.Do not satisfy the design needs if above-mentioned growth obtains the amount of phase shift excursion of phase-shifting unit, for example the amount of phase shift maximum is too little or the amount of phase shift minimum value is excessive, then changes WL and W, and emulation again is up to the amount of phase shift excursion that needing to obtain.
Distribute according to needed target phase, distribute by the amount of phase shift that calculates on the plane reflection plate, growing method by above-mentioned man-made structures unit obtains corresponding man-made structures cell size and the distributed intelligence of amount of phase shift distribution, can obtain plane reflection plate of the present utility model.
Above-mentioned plate aerial can be transmitting antenna, reception antenna or transceiver antenna.
Above-mentioned plate aerial can be applied to the antenna of satellite earth antenna, satellite communication antena, microwave antenna, radar antenna and other type.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away under the scope situation that the utility model aim and claim protect, also can make a lot of forms, these all belong within the protection of the present utility model.
Claims (28)
1. a plate aerial is characterized in that, described plate aerial comprises the plane reflection plate and is arranged on the binding structure that be used for to suppress the buckling deformation of plane reflection panel edges on the plane reflection plate.
2. plate aerial according to claim 1 is characterized in that, described binding structure comprises at least one sub-bound edge, part edge or whole edge of described at least one sub-bound edge parcel plane reflection plate.
3. plate aerial according to claim 2 is characterized in that, described plane reflection plate is triangular plate or polygonal panel.
4. plate aerial according to claim 3 is characterized in that, described polygonal panel is square plate, pentagonal panel, hexagonal plate or octagon plate.
5. plate aerial according to claim 3 is characterized in that, described binding structure comprises that quantity is less than or equal to the sub-bound edge of the angle number of described plane reflection plate, and described each sub-bound edge wraps up an angle of described plane reflection plate.
6. plate aerial according to claim 3 is characterized in that, described binding structure comprises that quantity is less than or equal to the sub-bound edge of the limit number of described plane reflection plate, and described each sub-bound edge wraps up a limit of described plane reflection plate.
7. plate aerial according to claim 6 is characterized in that, whole edges of described each sub-bound edge parcel corresponding sides.
8. plate aerial according to claim 6 is characterized in that, the part edge of described each sub-bound edge parcel corresponding sides.
9. plate aerial according to claim 2 is characterized in that, described plane reflection plate is circular slab or elliptical flat-plate.
10. plate aerial according to claim 9 is characterized in that, described binding structure comprises the sub-bound edge of the arc that at least one and plane reflection panel edges shape are complementary.
11. plate aerial according to claim 10 is characterized in that, described binding structure comprises at least two sub-bound edges along plane reflection panel edges annular array.
12. plate aerial according to claim 1 is characterized in that, described plate aerial also comprises feed and the installing rack that is used for supporting feed and plane reflecting plate.
13. plate aerial according to claim 12, it is characterized in that, described installing rack comprises feed fastener, pole and is arranged at the bracing frame of plane reflection backboard face that one end of described pole is fixedlyed connected with bracing frame, the other end of described pole and the flexible connection of feed fastener.
14. plate aerial according to claim 13, it is characterized in that, described feed fastener comprises the portion of pressing and urgent splenium two ends extended relative first regulating arm and second regulating arm that is socketed in the feed outer surface, described pole is located between first regulating arm and second regulating arm, an end that links to each other with the feed fastener of described pole offers the slippage slot that runs through the relative two sides of pole vertically, described first regulating arm offers at least one first regulating tank that intersects with described slippage slot, described second regulating arm offers at least one second regulating tank that intersects with described slippage slot, described first regulating tank of one location screw bolt passes, slippage slot and second regulating tank, the two ends of described bolt be threaded respectively first adjusting nut and second adjusting nut are in order to locking or the relative position that unlocks feed fastener and pole.
15. plate aerial according to claim 14, it is characterized in that, described feed fastener also comprises a tight fixed bolt, described tight fixed bolt passes described first regulating arm and second regulating arm in the position that approaches the portion of pressing, the two ends of described tight fixed bolt be threaded respectively first locknut and second locknut are tightened first locknut and second locknut in order to the relative position that guarantees first regulating arm and second regulating arm and are made that the portion of pressing is pressed on the outer surface of feed.
16. plate aerial according to claim 13 is characterized in that, described installing rack also comprises the securing member of strut fixation to the antenna installed surface.
17. plate aerial according to claim 16, it is characterized in that described securing member comprises near the setting of plane reflection plate bottom and is set in the engaging lug on the pole and passes the plane reflection plate to be fixed to two screws on the antenna installed surface from described engaging lug two ends.
18. plate aerial according to claim 13 is characterized in that, described pole is provided with first scale, and described feed fastener is provided with second scale, and described first scale and second scale are used for determining the position of the relative pole of feed.
19. plate aerial according to claim 12 is characterized in that, support frame as described above is fixedlyed connected with described binding structure.
20. plate aerial according to claim 19 is characterized in that, support frame as described above comprises the cross structure of being made up of cross bar and vertical pole.
21. plate aerial according to claim 20 is characterized in that, described cross bar is vertical mutually with vertical pole.
22. plate aerial according to claim 21, it is characterized in that, described plane reflection plate is square plate, described binding structure comprises four sub-bound edges on four limits of wrapping up described plane reflection plate, the shape at the shape of described each sub-bound edge and the edge of its parcel is complementary, described each sub-bound edge is arranged at the centre position on a limit of its parcel, the two ends of described cross bar are connected the midpoint of two sub-bound edges that are positioned at its both sides, and the two ends of described vertical pole are connected the midpoint of two sub-bound edges that are positioned at its both sides.
23. plate aerial according to claim 21, it is characterized in that, described plane reflection plate is circular slab, described binding structure comprises four circular-arc sub-bound edges that wrap up described plane reflection panel edges, the shape at the shape of described each sub-bound edge and the edge of its parcel is complementary, described four sub-bound edges are along plane reflection panel edges annular array, the two ends of described cross bar are connected the midpoint of two sub-bound edges that are positioned at its both sides, and the two ends of described vertical pole are connected the midpoint of two sub-bound edges that are positioned at its both sides.
24. plate aerial according to claim 21, it is characterized in that, described plane reflection plate is elliptical flat-plate, described binding structure comprises the sub-bound edge of four arcuations that wrap up described plane reflection panel edges, the shape at the shape of described each sub-bound edge and the edge of its parcel is complementary, described cross bar, the oval-shaped minor axis that vertical pole constitutes with the edge of elliptical flat-plate respectively, major axis overlaps, the intersection point of described cross bar and vertical pole is the oval-shaped center that the edge of elliptical flat-plate constitutes, the two ends of described cross bar are connected the midpoint of two sub-bound edges that are positioned at its both sides, and the two ends of described vertical pole are connected the midpoint of two sub-bound edges that are positioned at its both sides.
25. plate aerial according to claim 1, it is characterized in that, described plane reflection plate comprises for the feature board that incident electromagnetic wave is carried out wave beam modulation and the reflector that is used for reflection electromagnetic wave that is arranged on feature board one side, described feature board comprises two or more feature boards unit, described reflector comprises the reflector element with feature board unit respective amount, and the reflector element that described feature board unit is corresponding with it constitutes a phase-shifting unit that is used for phase shift; The man-made structures unit that is used for incident electromagnetic wave is produced electromagnetic response that described feature board unit comprises base board unit and is arranged on described base board unit one side.
26. plate aerial according to claim 25 is characterized in that, described man-made structures unit is the structure with geometrical pattern that electric conducting material constitutes.
27. plate aerial according to claim 25 is characterized in that, described plane reflection plate also comprises for the protective layer that covers described man-made structures unit.
28. plate aerial according to claim 25, it is characterized in that, described reflector is attached at described feature board one side surface, and perhaps described reflector and described feature board space arrange, and described reflector is metal coating, metallic film or metal grill reflector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220746078 CN203119098U (en) | 2012-12-04 | 2012-12-04 | Planar antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220746078 CN203119098U (en) | 2012-12-04 | 2012-12-04 | Planar antenna |
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| Publication Number | Publication Date |
|---|---|
| CN203119098U true CN203119098U (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220746078 Expired - Lifetime CN203119098U (en) | 2012-12-04 | 2012-12-04 | Planar antenna |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104638380A (en) * | 2013-11-13 | 2015-05-20 | 深圳光启创新技术有限公司 | Antenna baffle board and low-sidelobe antenna |
| WO2021009893A1 (en) * | 2019-07-18 | 2021-01-21 | 日本電信電話株式会社 | Frequency selective surface |
-
2012
- 2012-12-04 CN CN 201220746078 patent/CN203119098U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104638380A (en) * | 2013-11-13 | 2015-05-20 | 深圳光启创新技术有限公司 | Antenna baffle board and low-sidelobe antenna |
| WO2021009893A1 (en) * | 2019-07-18 | 2021-01-21 | 日本電信電話株式会社 | Frequency selective surface |
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Effective date of registration: 20160405 Address after: 518057 Guangdong City, Nanshan District province high tech Zone in the middle of a high tech building, building No. 2, No. 9, building Patentee after: KUANG-CHI CUTTING EDGE TECHNOLOGY Ltd. Address before: 518034 A international business center, No. 1061, Xiang Mei Road, Guangdong, Shenzhen, Futian District, China 18B Patentee before: KUANG-CHI INNOVATIVE TECHNOLOGY Ltd. |
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