CN108649336A - A kind of super skin antenna in three squints of bireflectance list transmission - Google Patents
A kind of super skin antenna in three squints of bireflectance list transmission Download PDFInfo
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- CN108649336A CN108649336A CN201810475416.7A CN201810475416A CN108649336A CN 108649336 A CN108649336 A CN 108649336A CN 201810475416 A CN201810475416 A CN 201810475416A CN 108649336 A CN108649336 A CN 108649336A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
- H01Q15/0013—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
- H01Q21/065—Patch antenna array
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Abstract
The present invention proposes a kind of super skin antenna in three squints of bireflectance list transmission, it is intended to simplify the structure of antenna, three beam radiations in universe space are realized simultaneously, the super surface cell of transmission including being clamped between planar waveguide and feed, the super surface cell of transmission includes 4 nested super surface textures of V-shaped transmission successively, and the V-shaped nearest apart from feed transmits one super surface cell of reflection of each connection in end of super two arms of surface texture, form the super surface texture of angle, feed is fixed on the outside in angle super surface texture bore face, and on the central axis of the structure；V-shaped transmits super surface texture, including V-shaped matrix substrate, two arm are printed with the metal patch that center etch has the gap ring on the side towards feed, which is generally aligned in the same plane in the normal direction of arm；The super surface texture of reflection includes rectangular substrate plate, which is printed with resonant ring on the side towards feed, metal base plate is printed on another side.
Description
Technical field
The invention belongs to antenna technical fields, are related to a kind of multibeam antenna, and in particular to a kind of transmission of bireflectance list
The super skin antenna in three squints can be used for wirelessly communicating, the fields such as radar.
Technical background
Multi-beam antenna technology can cover extensive transmission region with high-gain, in satellite communication, radar-reconnaissance, electronics
The demand in confrontation and the fields such as microwave transmission constantly expands, and becomes next-generation satellite antenna, multi-target tracking radar and complete
The important development direction of domain electronic warfare system.
Realize that high directionality multibeam antenna generally has array, lens type and reflective three kinds of forms in existing research.
Due to advantages, lens type and the mirror antennas such as simple in structure, processing technology is ripe, high gain in building multibeam antenna quilt
Extensive use.For example, 2015, Authorization Notice No. CN103050782B is entitled " multi-beam plane patch lens antenna "
Chinese patent, disclose a kind of plane patch lens antenna, which is made of different units, which passes through at two layers
Dielectric-slab patch setting up and down, centre setting shape of chinese word Ji metallic channel, by the parameter and the placement position that change patch and metallic channel
It realizes the focusing of electromagnetic wave, and good multiple radiation is realized by more feed offset prime focus feeds.For another example, it 2016, authorizes public
Announcement number is CN104103910B, and the Chinese patent of entitled " a kind of optimum design method of single port diameter multibeam antenna " is open
A kind of single port diametric plane multi-beam reflection surface antenna, by the Shape design to reflecting surface, using the form of feed array to it
It carries out feed and realizes multiple radiation.
All it is that more feed parallel feeds are utilized although above-mentioned existing research all realizes multibeam antenna, antenna
Feeding network is complex, and is only operated in half space region.Super surface carries out electromagnetic wave regulation and control by controlling Wave-front phase, and
It is simple in structure, it has broad application prospects in a wireless communication system.Reflecting surface based on super surface texture and lens arrangement
Simply, and it is easy to combine design, under the excitation of single feed, can effectively builds universe multibeam antenna.
Invention content
It is an object of the invention in view of the deficiency of the prior art, propose a kind of three waves of bireflectance list transmission
The super skin antenna of beam angle is super in conjunction with reflection under the excitation of single feed by loading the super surface texture of angle in slab guide
Surface cell and the super surface cell of transmission compensate effect to the phase of incident electromagnetic wave, simplify the structure of antenna, simultaneously
Realize three beam radiations in universe space.
To achieve the above object, the technical solution that the present invention takes is：
A kind of super skin antenna in three squints of bireflectance list transmission, it is characterised in that：Including parallel flat waveguide 1,
And it is fixed on the super surface cell 2 of transmission and feed 3 between 1 two metallic plates of parallel flat waveguide；The super surface of transmission
Unit 2 includes that the V-shaped of multiple nestings successively transmits super surface texture 21, and wherein any one V-shaped transmits super surface texture
Respectively super surface cell 4 is reflected in connection one for the end of two arms, forms the super surface texture of V-shaped angle；The feed 3 is fixed on
The super surface texture of V-shaped angle is formed by angular range, and its wave port is located at the super surface texture mouth of V-shaped angle
The outside of diametric plane, wherein：
The V-shaped transmits super surface texture 21, including the V words that plate face is vertical with 1 two metallic plates of parallel flat waveguide
Shape matrix substrate 211 is printed with metal patch on the side towards feed 3, is etched on metal patch by multiple evenly distributed
Gap ring 212 form face battle array structure；
The super surface cell 4 of reflection, including rectangular substrate plate 41, two blocks of metals of plate face and parallel flat waveguide 1
Plate is vertical, and parallel with the V-shaped super plate face of arm of surface texture of transmission that the rectangular substrate plate 41 is connected, the rectangle base
Scutum 41 is printed with the face battle array structure being made of multiple evenly distributed resonant rings 42, another side on the side towards feed 3
Metal base plate 43 is printed on face；
The size of the gap ring 212 and resonant ring 42 is 3 institute of coordinate value and feed by respective position
Coordinate value and electromagnetic wave incident angle-determining in position.
The V-shaped transmission of the super skin antenna in three squints of above-mentioned bireflectance list transmission, the multiple nesting successively is super
Surface texture 21 is wherein not in contact with each other between adjacent structure, and the distance between each structure vertex is equal, the central shaft of each structure
Line overlaps.
The super skin antenna in three squints of above-mentioned bireflectance list transmission, the super surface cell 4 of reflection, with the super table of transmission
The V-shaped nearest apart from feed 3 transmits the end connection of super surface texture arm in face unit 2.
The V-shaped transmission of the super skin antenna in three squints of above-mentioned bireflectance list transmission, the multiple nesting successively is super
Surface texture 21, wherein the end of each arm is located at and the super surface of V-shaped transmission reflecting super surface cell 4 and connect in each structure
In plane where the normal of 21 arm end of structure, on each arm by multiple gap rings 212 be formed by face battle array structure with
The plate face that the V-shaped that the super surface cell 4 of reflection connects transmits above super surface texture 21 where gust structure is identical, and is close to
With in the plane where the normal for reflecting the super 21 arm end of surface texture of V-shaped transmission that super surface cell 4 is connect.
The super skin antenna in three squints of above-mentioned bireflectance list transmission, the parallel flat waveguide 1, two pieces of metallic plates
Size between inner plate surface, with V-shaped matrix substrate 211 and rectangular substrate plate 41 perpendicular to two blocks of metals of parallel flat waveguide 1
Plate direction it is equal sized.
The super skin antenna in three squints of above-mentioned bireflectance list transmission, the feed 3, phase center are located at V-shaped
On the central axis of the super surface texture of angle.
The super skin antenna in three squints of above-mentioned bireflectance list transmission, the gap ring 212, using rectangular aperture ring knot
Structure, phase compensation φ1It is the outer diameter length size L by adjusting gap ring1, outer diameter width dimensions W1With ring width dimension D1It is real
Existing, phase compensation φ1Calculation formula be：
Wherein, k is wave number in free space, and θ is the angle of the super surface texture of V-shaped angle,It is arbitrary phase constant,
Δ ri is the phase center of feed to the range difference at two adjacent slits ring centers, and calculation formula is：
Wherein, xi and yi is respectively the distance that feed phase center is arrived at i-th of gap ring center in the x and y direction, and q is
The distance between two adjacent slits ring centers.
The super skin antenna in three squints of above-mentioned bireflectance list transmission, the resonant ring 42, using rectangular metal ring knot
Structure, phase compensation φ2It is the outer diameter width dimensions W by adjusting becket2, outer diameter length size L2=2 × W2With ring width ruler
Very little D2It realizes, phase compensation φ2Calculation formula be：
Wherein, k is wave number in free space, θ0It is that the reflected beam to be realized of the super surface cell of reflection is directed toward,It is to appoint
Meaning phase constant, Δ rj are range difference of the feed phase center to two adjacent resonant ring centers, and calculation formula is：
Wherein, xj and yj is respectively the distance that feed phase center is arrived at j-th of resonant ring center in the x and y direction, and p is
The distance between two adjacent resonant rings.
The super skin antenna in three squints of above-mentioned bireflectance list transmission, the feed 3, using standard rectangular waveguide junction
Structure, the size phase between the size and two pieces of metallic plate inner plate surfaces in two pieces of metallic plate directions of parallel flat waveguide 1
Deng the phase center of the feed 3 is located at the center in waveguide bore face, and specific coordinate passes through computer simulation experiment parameter
Optimization determines that determining principle is：Adjust between feed bore face center and the super surface texture vertex of V-shaped angle away from
From the electromagnetic wave just full illumination to meet feed radiation enters the super surface texture of V-shaped angle, and leaks outside without energy.
Compared with prior art, the present invention haing the following advantages：
1, the present invention is effectively combined by that will transmit super surface cell and the super surface cell of reflection, constitutes V-shaped angle
Super surface texture is realized the high directionality radiation of three beam antennas, compared with prior art, is simplified under the excitation of single feed
The structure of antenna realizes the multi-beam characteristic in universe space.
2, metal patch and the reflection of the invention by having the gap ring to transmiting the center etch loaded on super surface cell
The rectangular metal resonant ring progress loaded on super surface cell is individually designed, is individually calibrated to the incidence wave from feed,
The three wave beam performances for realizing single beam position Independent adjustable, improve the applicability of three beam antennas.
3, the present invention is encouraged using single feed, avoids emc issue caused by more feed mutual coupling.
Description of the drawings
Fig. 1 is the overall structure diagram of the embodiment of the present invention；
Fig. 2 is the super surface cell schematic diagram of transmission of the embodiment of the present invention；
Fig. 3 is that the center etch of the super surface cell of transmission of the embodiment of the present invention has the gap the metal patch structural representation of ring
Figure；
Fig. 4 is the super surface cell schematic diagram of reflection of the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the metal resonant ring of the super surface cell of reflection of the embodiment of the present invention；
Fig. 6 is the S11 analogous diagrams of the embodiment of the present invention；
Fig. 7 is the Electric Field Simulation figure of the embodiment of the present invention；
Fig. 8 is the two dimensional gain analogous diagram of the embodiment of the present invention.
Specific implementation mode
Below in conjunction with the drawings and specific embodiments, present invention is further described in detail.
Referring to Fig.1, a kind of super skin antenna in three squints of bireflectance list transmission, including parallel flat waveguide 1, and
The super surface cell 2 of transmission and the feed 3 being fixed between 1 two metallic plates of parallel flat waveguide；It is described to transmit super surface cell 2
Including 4 nested successively and super surface textures 21 of non-touching V-shaped transmission, wherein innermost V-shaped transmits super surface
Respectively super surface cell 4 is reflected in connection one for the end of two arms of structure, forms the super surface texture of V-shaped angle；The super surface of transmission
Unit 2, the super surface cell 4 of reflection and feed 3 and are put down in the size with the two of parallel flat waveguide 1 pieces of metallic plate vertical direction
Equal sized between two pieces of metallic plates of row planar waveguide 1, the size in the present embodiment between two pieces of metallic plates is 12.8mm.
The feed 3 uses inner section width for 22.86mm, is highly 10.16mm, and single mode transport frequency range is 8.2GHz-
The standard WR90 waveguides of 12.4GHz, are fixed on the axis of the super surface texture of V-shaped angle, and are located at the super surface of V-shaped angle
The outside in structure bore face.
With reference to Fig. 2, transmit super surface cell 2, including 4 V-shaped transmit super surface texture 21, adjacent V-shaped transmits
Spacing is equal between the vertex of super surface texture, and the central axis of each structure overlaps, in the present embodiment between adjacent vertex between
Away from for 8mm.It includes V-shaped matrix substrate 211 that V-shaped, which transmits super surface texture, which uses relative dielectric constant for 4.4,
Loss is 0 FR4 materials, and thickness 1mm, the end of each arm is located at the super table of most inner side V-shaped transmission in 4 V-shaped structures
In plane where the normal of the arm end of face structure, and spacing is 6mm between alternate arm, on each arm by multiple gap rings
212 plate faces that are formed by where face battle array structure transmits face gust structure on super surface texture 21 with most inner side V-shaped are identical,
And it is close in the plane where the normal for the arm end that most inner side V-shaped transmits super surface texture.V-shaped matrix substrate arm towards
It is printed with metal patch on the side of angle, using metallic copper material, is etched on metal patch evenly distributed by M × 2
Gap ring 212 form face battle array structure, and the face battle array structure be generally aligned in the same plane in the normal direction of the arm in, tested in experiment
During card, due to being limited by Computer Simulation condition, the embodiment of the present invention only takes M=42.
With reference to Fig. 3, gap ring 212 uses rectangular aperture ring structure, phase compensation φ1It is by adjusting the outer of gap ring
Electrical path length size L1, outer diameter width dimensions W1With ring width dimension D1It realizes, phase compensation φ1Calculation formula be：
Wherein, k is wave number in free space, and θ is the angle that V-shaped transmits super surface texture,It is arbitrary phase constant,
Δ ri is the phase center of feed to the range difference at two adjacent slits ring centers, and calculation formula is：
Wherein, xi and yi is respectively the distance that feed phase center is arrived at i-th of gap ring center in the x and y direction, and q is
The distance between two adjacent slits ring centers, q=3.8mm in the present embodiment, θ=60 °,
Incidence angle θiCalculation formula be：
The corresponding phase number of each unit and incidence angle being calculated according to above-mentioned formula, we pass through simulation software
It is open boundary condition that the directions x, which are arranged, to use periodic boundary condition, the directions z with the directions y boundary, and the outer diameter for adjusting resonant ring is wide
Spend size W1With ring width dimension D1, S11 parameter phase numerical value is observed, S11 parameter phase numerical value meets us and calculates until wave port
The obtained corresponding phase number of each unit, can determine corresponding size.
With reference to Fig. 4, it includes rectangular substrate plate 41 to reflect super surface cell 4, the matrix substrate use relative dielectric constant for
4.4, it is lost the FR4 materials for 0.02, thickness 1mm is printed with by the humorous of N × 2 periodic arrangement on matrix substrate one side
The face battle array structure of the ring 42 that shakes composition, is printed with metal base plate 43 on another side, using metallic copper material, in experimental verification
In the process, due to being limited by Computer Simulation condition, the embodiment of the present invention only takes N=50, the super surface cell of the reflection such as Fig. 1
It is shown, that side of resonant ring is printed with towards feed.
With reference to Fig. 5, the resonant ring 42, using rectangular metal ring structure, phase compensation φ2It is by adjusting becket
Outer diameter width dimensions W2, outer diameter length size L2=2 × W2With ring width dimension D2It realizes, phase compensation φ2Calculating it is public
Formula is：
Wherein, k is wave number in free space, θ0It is that the reflected beam to be realized of the super surface cell of reflection is directed toward,It is to appoint
Meaning phase constant, Δ rj are range difference of the feed phase center to two adjacent resonant ring centers, and calculation formula is：
Wherein, xj and yj is respectively the distance that feed phase center is arrived at j-th of resonant ring center in the x and y direction, and p is
The distance between two adjacent resonant rings.In the present embodiment, p=3.2mm,
Incidence angle θjCalculation formula be：
The corresponding phase number of each resonant ring and incidence angle being calculated according to above-mentioned formula, we are soft by emulating
It is open boundary condition that part, which is arranged the directions x to use periodic boundary condition, the directions z with the directions y boundary, adjusts the outer diameter of resonant ring
Length dimension W2With ring width dimension D2, S11 parameter phase numerical value is observed, S11 parameter phase numerical value meets us and counts until wave port
The obtained corresponding phase number of each unit, can determine corresponding size.
Using the center of feed 3 as coordinate origin, the units of the super surface texture both sides of V-shaped angle coordinate in the y-axis direction
It is constant, the coordinate of the coordinate of the unit of x-axis negative sense and the unit of positive direction of the x-axis opposite number each other.Y-axis is along angle central axis side
To the changes in coordinates section of the super surface texture x-axis in both sides is [0,159.8] and [- 159.8,0], by taking x-axis forward direction as an example：
The specific size setting for transmiting the gap ring 212 on super surface texture 21 is as follows：
The constant interval of coordinate x is x ∈ [78.85mm, 67.45mm], the constant interval of y be y ∈ [220.2mm,
239.95mm] totally 7, gap ring, incidence angle θiRespectively 40.3 °, 41 °, 41.69 °, 42.36 °, 43 °, 43.67 °,
44.3 °, the outer diameter width dimensions W of gap ring1Respectively 3.68mm, 3.68mm, 3.69mm, 3.67mm, 3.48mm, 3.48mm,
3.44mm, outer diameter length size L1Respectively 6.3mm, 6.3mm, 6.3mm, 6.2mm, 6.2mm, 6.2mm, 6.2mm, ring width size
D1Respectively 0.6mm, 0.61mm, 0.57mm, 0.59mm, 0.85mm, 0.8mm, 0.73mm, the phase compensation of realization is respectively-
15.7 °, -25.5 °, -34.8 °, -43.8 °, -52.4 °, -60.6 °, -68.4 °.
The constant interval of coordinate x is x ∈ [65.5mm, 54.1mm], the constant interval of y be y ∈ [243.246mm,
262.99mm] totally 7, gap ring, incidence angle θiRespectively 44.9 °, 45.52 °, 46.1 °, 46.69 °, 47.26 °, 47.82 °,
48.36 °, the outer diameter width dimensions W of gap ring1Respectively 3.44mm, 3.43mm, 3.5mm, 3.42mm, 3.65mm, 3.5mm,
3.52mm, outer diameter length size L1Respectively 6.3mm, 6.2mm, 6.2mm, 6.2mm, 6.2mm, 6.2mm, 6.2mm, ring width size
D1Respectively 0.76mm, 0.7mm, 0.75mm, 0.66mm, 0.9mm, 0.72mm, 0.57mm, the phase compensation of realization is respectively-
75.8 °, -83 °, -89.8 °, -96.2 °, -102.3 °, -108.2 °, -113.8 °.
The constant interval of coordinate x is x ∈ [52.25mm, 40.85mm], the constant interval of y be y ∈ [266.28mm,
286.03mm] totally 7, gap ring, incidence angle θiRespectively 48.9 °, 49.4 °, 49.9 °, 50.4 °, 50.9 °, 51.4 °,
51.87 °, the outer diameter width dimensions W of gap ring1Respectively 3.4mm, 3.5mm, 3.47mm, 3.46mm, 3.48mm, 3.52mm,
3.1mm, outer diameter length size L1Respectively 6.2mm, 6.2mm, 6.2mm, 6.2mm, 6.2mm, 6.2mm, 6.2mm, ring width dimension D1
Respectively 0.6mm, 0.69mm, 0.67mm, 0.63mm, 0.66mm, 0.68mm, 0.3mm, the phase compensation of realization is respectively-
119 °, -124 °, -128.8 °, -133.3 °, -137.5 °, -141.4 °, -145.2 °.
The constant interval of coordinate x is x ∈ [38.5mm, 27.55mm], the constant interval of y be y ∈ [289.32mm,
309.06mm] totally 7, gap ring, incidence angle θiRespectively 52.33 °, 52.78 °, 53.22 °, 53.66 °, 54 °, 54.5 °,
54.9 °, the outer diameter width dimensions W of gap ring1Respectively 3.52mm, 3.48mm, 3.47mm, 3.59mm, 3.58mm, 3.6mm,
3.55mm, outer diameter length size L1Respectively 6.2mm, 6.2mm, 6.2mm, 6.2mm, 6.2mm, 6.2mm, 6.2mm, ring width size
D1Respectively 0.7mm, 0.63mm, 0.62mm, 0.72mm, 0.7mm, 0.71mm, 0.66mm, the phase compensation of realization is respectively-
148.7 °, -152 °, -155 °, -157.9 °, -160.6 °, -163 °, -165.2 °.
The constant interval of coordinate x is x ∈ [25.65mm, 14.25mm], the constant interval of y be y ∈ [312.35mm,
332.1mm] totally 7, gap ring, incidence angle θiRespectively 55.3 °, 55.7 °, 56.08 °, 56.46 °, 56.8 °, 57.2 °,
57.54 °, the outer diameter width dimensions W of gap ring1Respectively 3.52mm, 3.6mm, 3.59mm, 3.5mm, 3.5mm, 3.61mm,
3.5mm, outer diameter length size L1Respectively 6.2mm, 6.2mm, 6.2mm, 6.2mm, 6.2mm, 6.2mm, 6.2mm, ring width dimension D1
Respectively 0.62mm, 0.69mm, 0.68mm, 0.62mm, 0.61mm, 0.71mm, 0.62mm, the phase compensation of realization is respectively-
167.4 °, -169.3 °, -171 °, -172.6 °, -174 °, -175.2 °, -176.3 °.
The constant interval of coordinate x is x ∈ [12.35mm, 0.95mm], the constant interval of y be y ∈ [335.39mm,
355.14mm] totally 7, gap ring, incidence angle θiRespectively 57.89 °, 58.23 °, 58.56 °, 58.89 °, 59.2 °, 59.5 °,
59.85 °, the outer diameter width dimensions W of gap ring1Respectively 3.5mm, 3.5.mm, 3.54mm, 3.52mm, 3.54mm, 3.5mm,
3.59mm, outer diameter length size L1Respectively 6.2mm, 6.2mm, 6.2mm, 6.2mm, 6.2mm, 6.2mm, 6.2mm, ring width size
D1Respectively 0.6mm, 0.62mm, 0.61mm, 0.59mm, 0.6mm, 0.61mm, 0.65mm, the phase compensation of realization is respectively-
177.3 °, -178.1 °, -178.7 °, -179.2 °, -179.6 °, -179.9 °, -180 °.
42 specific size of resonant ring setting on the super surface cell of reflection is as follows：
The constant interval of coordinate x is x ∈ [80.6mm, 95mm], and the constant interval of y is y ∈'s [217.2mm, 192.2mm]
Resonant ring totally 10, incident θjRespectively 39.6 °, 39.0 °, 38.4 °, 37.7 °, 37.1 °, 36.4 °, 35.8 °, 35.1 °,
34.4 °, 33.7 °, the outer diameter width dimensions W of resonant ring2Respectively 2.95mm, 0.4mm, 2.27mm, 2.45mm, 2.44mm,
2.5mm, 2.52mm, 2.56mm, 2.56mm, 2.66mm, ring width dimension D2Respectively 0.15mm, 0.15mm, 0.4mm, 0.3mm,
0.35mm, 0.45mm, 0.4mm, 0.5mm, 0.4mm, 0.4mm, respectively -115 ° of the phase compensation of realization, -140 °, -164 °,
172 °, 148 °, 125.1 °, 102.2 °, 79.6 °, 57.4 °, 35.6 °.
The constant interval of coordinate x is x ∈ [96.6mm, 111mm], and the constant interval of y is y ∈ [189.5mm, 164.5mm]
Resonant ring totally 10, incident θjRespectively 33 °, 32.3 °, 31.5 °, 30.7 °, 30 °, 29.2 °, 28.4 °, 27.6 °, 26.8 °,
26 °, the outer diameter width dimensions W of resonant ring2Respectively 2.69mm, 2.71mm, 2.72mm, 2.76mm, 2.77mm, 2.79mm,
2.97mm, 2.98mm, 0.4mm, 1.8mm, ring width dimension D2Respectively 0.45mm, 0.45mm, 0.4mm, 0.45mm, 0.35mm,
0.25mm, 0.5mm, 0.1mm, 0.15mm, 0.45mm, respectively -114.1 ° of the phase compensation of realization, -6.9 °, -27.5 °, -
47.8 °, -67.6 °, -87 °, -105.9 °, -124.4 °, -142.4 °, -160 °.
The constant interval of coordinate x is x ∈ [112.6mm, 127mm], and the constant interval of y is y ∈ [161.8mm, 136.8mm]
Resonant ring totally 10, incident θjRespectively 25.1 °, 24.3 °, 23.4 °, 22.6 °, 21.7 °, 20.8 °, 19.9 °, 18.9 °,
18.0 °, 17.1 °, the outer diameter width dimensions W of resonant ring2Respectively 2.26mm, 2.4mm, 2.45mm, 2.49mm, 2.53mm,
2.79mm, 2.53mm, 2.6mm, 2.58mm, 2.61mm, ring width dimension D2Respectively 0.5mm, 0.45mm, 0.25mm, 0.1mm,
0.35mm, 0.1mm, 0.5mm, 0.3mm, 0.4mm, 0.1mm, respectively -176 ° of the phase compensation of realization, 166 °, 150.4 °,
134.8 °, 120 °, 105 °, 91.4 °, 78 °, 65 °, 53 °.
The constant interval of coordinate x is x ∈ [128.6mm, 143mm], and the constant interval of y is y ∈'s [134mm, 109.1mm]
Resonant ring totally 10, incident θjRespectively 16.2 °, 15.2 °, 14.3 °, 13.3 °, 12.3 °, 11.3 °, 10.4 °, 9.3 °, 8.3 °,
7.3 °, the outer diameter width dimensions W of resonant ring2Respectively 2.62mm, 2.64mm, 2.63mm, 2.63mm, 2.62mm, 2.68mm,
2.71mm, 2.67mm, 2.69mm, 2.65mm, ring width dimension D2Respectively 0.35mm, 0.39mm, 0.3mm, 0.25mm,
0.15mm, 0.4mm, 0.49mm, 0.3mm, 0.35mm, 0.15mm, the phase compensation of realization are respectively 41 °, 30 °, 19.7 °,
9.8 °, 0.55 °, -8.1 °, -16 °, -23.4 °, -30.1 °, -36 °.
The constant interval of coordinate x is x ∈ [144.6mm, 159mm], and the constant interval of y is y ∈ [106.3mm, 81.4mm]
Resonant ring totally 10, incident θjRespectively 6.3 °, 5.3 °, 4.3 °, 3.2 °, 2.2 °, 1.2 °, 0.2 °, -0.8 °, -1.87 °, -
2.9 °, the outer diameter width dimensions W of resonant ring2Respectively 2.65mm, 2.68mm, 2.75mm, 2.66mm, 2.68mm, 2.76mm,
2.72mm, 2.76mm, 2.68mm, 2.66mm, ring width dimension D2Respectively 0.1mm, 0.25mm, 0.5mm, 0.1mm, 0.2mm,
0.5mm, 0.35mm, 0.5mm, 0.2mm, 0.1mm, respectively -41 ° of the phase compensation of realization, -46.3 °, -50 °, -53.8 °, -
56.6 °, -- 58.6 °, -60 °, -60.7 °, -60.72 °, -60.07 °.
Below by way of emulation experiment, the technique effect of the present invention is described further.
Simulated conditions and content.
1.1 simulated conditions
Above-described embodiment is carried out using business simulation software CST Microwave Studio.
1.2 emulation content：
Emulation 1, the S11 parameters to specific embodiment in 8.2GHz~12GHz emulate, and the results are shown in Figure 6；
Emulation 2 carries out full-wave simulation, result to near-field thermal radiation directional diagram of the specific embodiment under 10.0GHz frequencies
As shown in Figure 7；
Emulation 3 has carried out two-dimensional radiation gain curve of the specific embodiment under 10.0GHz frequencies to emulate its result such as
Shown in Fig. 8；
Analysis of simulation result.
With reference to Fig. 6, the S11 curves of the angle antenna of the embodiment of the present invention in the frequency zones of 8.2GHz~12.0GHz are imitated
True result explanation, within the scope of X-band, antenna S11 is substantially below -10dB.Matched well can be realized in the frequency range.
With reference to Fig. 7, the angle antenna of the embodiment of the present invention near field electric field intensity map in 10GHz frequencies, simulation result explanation, from
The spherical wave that feed is sent out generates the apparent plane wave of three beams after transmiting super surface cell and reflecting super surface cell.
With reference to Fig. 8, the embodiment of the present invention is in the two-dimensional radiation gain analogous diagram of 10GHz, simulation result explanation, the super table of load
The beam radiation direction of face unit is consistent with Theoretical Design result, respectively in Theta=120 °, Theta=-120 ° and Theta
Significant wave beam is formd in=0 ° of orientation, while secondary lobe in other directions is effectively forced down, beam alignmetn effect is bright
It is aobvious, and the gain in greatest irradiation direction is 9.3dBi.
Above description is only the preferred embodiment of the present invention, is not limited the invention, for the general of this field
For logical technical staff, the several modifications and improvements that can be made under the premise of not departing from innovation thinking of the present invention, but this
A little change all belongs to the scope of protection of the present invention.
Claims (9)
1. a kind of super skin antenna in three squints of bireflectance list transmission, it is characterised in that：Including parallel flat waveguide (1),
And it is fixed on the super surface cell of transmission (2) and feed (3) between (1) two metallic plate of parallel flat waveguide；The transmission
Super surface cell (2) includes that the V-shaped of multiple nestings successively transmits super surface texture (21), and wherein any one V-shaped transmits
Respectively super surface cell (4) is reflected in connection one for the end of two arms of super surface texture, forms the super surface texture of V-shaped angle；Institute
It states feed (3) and is fixed on the super surface texture of V-shaped angle and be formed by angular range, and its wave port is located at V-shaped
The outside in angle super surface texture bore face, wherein：
The V-shaped transmits super surface texture (21), including the V words that plate face is vertical with (1) two metallic plate of parallel flat waveguide
Shape matrix substrate (211) is printed with metal patch on the side towards feed (3), be etched on metal patch by it is multiple uniformly
The face battle array structure of gap ring (212) composition of arrangement；
The super surface cell (4) of reflection, including rectangular substrate plate (41), two blocks of gold of plate face and parallel flat waveguide (1)
Category plate is vertical, and parallel with the V-shaped super plate face of arm of surface texture of transmission that the rectangular substrate plate (41) is connected, the square
The face battle array knot being made of multiple evenly distributed resonant rings (42) is printed on the side of shape matrix substrate (41) towards feed (3)
Structure is printed with metal base plate (43) on another side；
The size of the gap ring (212) and resonant ring (42) is coordinate value and feed (3) by respective position
The coordinate value and electromagnetic wave incident angle-determining of position.
2. a kind of super skin antenna in three squints of bireflectance list transmission according to claim 1, it is characterised in that：Institute
The V-shaped for stating multiple nestings successively transmits super surface texture (21), is wherein not in contact with each other between adjacent structure, and each structure vertex
The distance between it is equal, the central axis of each structure overlaps.
3. a kind of super skin antenna in three squints of bireflectance list transmission according to claim 1, it is characterised in that：Institute
The super surface cell (4) of reflection is stated, super surface texture is transmitted with V-shaped nearest apart from feed (3) in super surface cell (2) is transmitted
The end of arm connects.
4. a kind of super skin antenna in three squints of bireflectance list transmission according to claim 1, it is characterised in that：Institute
The V-shaped for stating multiple nestings successively transmits super surface texture (21), wherein the end of each arm is positioned at super with reflection in each structure
The V-shaped of surface cell (4) connection transmits in the plane where the normal of super surface texture (21) arm end, on each arm by
Multiple gap rings (212) are formed by the V-shaped that face battle array structure is connect with the super surface cell (4) of reflection and transmit super surface knot
Plate face of the structure (21) above where battle array structure is identical, and is close to transmit super table with the V-shaped that the super surface cell (4) of reflection connect
In plane where the normal of face structure (21) arm end.
5. a kind of super skin antenna in three squints of bireflectance list transmission according to claim 1, it is characterised in that：Institute
State parallel flat waveguide (1), the size between two pieces of metallic plate inner plate surfaces, with V-shaped matrix substrate (211) and rectangular substrate plate
(41) perpendicular to the equal sized of two pieces of metallic plate directions of parallel flat waveguide (1).
6. a kind of super skin antenna in three squints of bireflectance list transmission according to claim 1, it is characterised in that：Institute
Feed (3) is stated, phase center is located on the central axis of the super surface texture of V-shaped angle.
7. a kind of super skin antenna in three squints of bireflectance list transmission according to claim 1, it is characterised in that：Institute
Gap ring (212) is stated, using rectangular aperture ring structure, phase compensation φ1It is the outer diameter length size by adjusting gap ring
L1, outer diameter width dimensions W1With ring width dimension D1It realizes, phase compensation φ1Calculation formula be：
Wherein, k is wave number in free space, and θ is the angle of the super surface texture of V-shaped angle,It is arbitrary phase constant, Δ ri
For feed phase center to the range difference at two adjacent slits ring centers, calculation formula is：
Wherein, xi and yi is respectively the distance that feed phase center is arrived at i-th of gap ring center in the x and y direction, and q is two-phase
The distance between adjacent gap ring center.
8. a kind of super skin antenna in three squints of bireflectance list transmission according to claim 1, it is characterised in that：Institute
Resonant ring (42) is stated, using rectangular metal ring structure, phase compensation φ2It is the outer diameter width dimensions W by adjusting becket2、
Outer diameter length size L2=2 × W2With ring width dimension D2It realizes, phase compensation φ2Calculation formula be：
Wherein, k is wave number in free space, θ0It is that the reflected beam to be realized of the super surface cell of reflection is directed toward,It is arbitrary phase
Bit constant, Δ rj are range difference of the feed phase center to two adjacent resonant ring centers, and calculation formula is：
Wherein, xj and yj is respectively the distance that feed phase center is arrived at j-th of resonant ring center in the x and y direction, and p is two-phase
The distance between adjacent resonant ring.
9. a kind of super skin antenna in three squints of bireflectance list transmission according to claim 1, it is characterised in that：Institute
Feed (3) is stated, using standard rectangular waveguiding structure, the size perpendicular to two pieces of metallic plate directions of parallel flat waveguide (1)
Equal sized between two pieces of metallic plate inner plate surfaces, the phase center of the feed (3) is located at the centre bit in waveguide bore face
It sets, specific coordinate is determined by computer simulation experiment parameter optimization, and determining principle is：Adjust feed bore face center
The distance between super surface texture vertex of V-shaped angle, the electromagnetic wave just full illumination to meet feed radiation enter V-shaped
The super surface texture of angle, and leak outside without energy.
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