CN107706519A - A kind of broadband multilayer flat board double polarized antenna - Google Patents
A kind of broadband multilayer flat board double polarized antenna Download PDFInfo
- Publication number
- CN107706519A CN107706519A CN201710914217.7A CN201710914217A CN107706519A CN 107706519 A CN107706519 A CN 107706519A CN 201710914217 A CN201710914217 A CN 201710914217A CN 107706519 A CN107706519 A CN 107706519A
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- Prior art keywords
- radiation unit
- vertical
- flat board
- radiating element
- subelement
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Classifications
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention provides a kind of broadband multilayer flat board double polarized antenna, including horizontal radiation unit, vertical radiation unit, some balanced feed structures, top dielectric plate of material, middle level dielectric material plate, layer dielectric plate of material, metal base plate, the feeder equipment of the arrangement of m n array form arranged in the form of n × m array, wherein, n, m are integer.Present invention employs enhancing coupling effect, the radiating element of step structure, balanced feed structure, the technical measures such as loaded medium layer realize the effect in broadband above radiating element.Simultaneously as horizontal radiation unit and vertical radiation unit are spatially mutually perpendicular to arrange by the present invention, dual polarization performance is formd with this.
Description
Technical field
The invention belongs to antenna technical field, more particularly to a kind of broadband multilayer flat board double polarized antenna.
Background technology
Existing antenna array majority narrower bandwidth, when requiring Antenna Operation in multiple frequency ranges, it is necessary to which multiple antennas are realized,
Space-consuming is big.Existing part wide bandwidth antenna arrays, its section are higher, it is difficult to realize planarization；When needing dual polarization performance,
Generally require spatially to set multigroup orthogonal unit to realize, increase the volume of antenna.
The content of the invention
It is an object of the invention to overcome existing aerial array narrower bandwidth, section high, it is difficult to realize planarization and bipolar
The problem of change, there is provided a kind of broadband multilayer flat board double polarized antenna, to reduce space-consuming, realize that wideband covers with single antenna
Lid, antenna section is reduced, while dual polarization performance can be realized.
To achieve the above object, the invention provides a kind of broadband multilayer flat board double polarized antenna, it is characterised in that bag
Include the horizontal radiation unit arranged in the form of n × m array, the vertical radiation unit of m n array form arrangement, some balance feedbacks
Electric structure, top dielectric plate of material, middle level dielectric material plate, layer dielectric plate of material, metal base plate, feeder equipment, wherein, n,
M is integer.
The top dielectric plate of material, middle level dielectric material plate, layer dielectric plate of material, metal base plate are according to from top to bottom
Order set.
Horizontal radiation cell array, vertical radiation cell array are respectively arranged at the upper and lower surface of middle level dielectric material plate,
The horizontal radiation unit, the structure of vertical radiation unit are identical, and comprising two symmetrical subelements, the subelement is in Pyatyi
Grading structure, pass through respectively first structure, the second structure, the 3rd structure, the 4th structure, the 5th structure, its
Middle first structure, the second structure, the 4th structure, the 5th structure are rectangular, and the 3rd structure is trapezoidal, and first structure width<The
The short side length of the structure of two structure widths=the 3rd<The long length of side of 3rd structure<4th structure width<5th structure width.
The relative subelement of each two is correspondingly arranged balanced feed structure, and the balanced feed structure includes four metals
Post, four metal columns are symmetrically positioned in the both sides of radiating element, set between the 3rd structure of each subelement and the 4th structure two-by-two
A metal column is equipped with, a metal column is provided with first structure, described metal column one end connects subelement, other end connection
Onto metal base plate.
The metal column being connected with first structure is connected to feeder equipment by metal base plate region, and remaining metal column passes through gold
Belong to baseplate zone ground connection.
Further, the horizontal radiation unit, the length of vertical radiation unit are less than or equal to, wherein being the width
Wavelength corresponding to frequency multi-layer planar double polarized antenna lowest operating frequency.
Further, a vertical radiation list is correspondingly arranged determined by each horizontal radiation unit subelement on vertical line
Member, the projection of horizontal radiation unit subelement opposite end in vertical direction fall into its lower vertical radiation unit subelement set
Opposite end region.
Further, the projection of horizontal radiation unit subelement opposite end in vertical direction falls into the vertical of its lower setting
The length of the opposite end region scope of radiating element subelement is less than the width of the 5th structure.
Further, second layer dielectric material plate upper surface, lower surface are provided with some regualr decagon through holes, upper surface
Each regualr decagon through hole around around each regualr decagon through hole of four horizontal radiation units, lower surface around four
Individual vertical radiation unit.
Further, the regualr decagon through hole length of side is less than 0.31* (d1-2*d2), wherein, d1For adjacent level radiating element
Between spacing, the spacing between neighboring vertical radiating element, d2It is horizontal radiation unit subelement opposite end in vertical direction
On projection fall into its lower vertical radiation unit subelement set opposite end region scope length.
Further, the spacing between adjacent level radiating element is identical with the spacing between neighboring vertical radiating element,
It is described to be smaller than being equal to.Wherein, it is wavelength corresponding to broadband multilayer flat board double polarized antenna maximum operating frequency.
Beneficial effects of the present invention are：
Present invention employs enhancing coupling effect, the radiating element of step structure, balanced feed structure, above radiating element
The technical measures such as loaded medium layer realize the effect in broadband.It is simultaneously as of the invention by horizontal radiation unit and vertical radiation
Unit is spatially mutually perpendicular to arrange, and dual polarization performance is formd with this.
The calculated results show that inventive antenna has 8.5GHz- under conditions of active standing-wave ratio is less than 2
20.5GHz working band, realizes the broadband covering of single antenna, and section height is less than 1 centimetre, reduces the space of occupancy
Volume, realize dual polarization performance.Existing aerial array narrower bandwidth is overcome, section is high, it is difficult to realizes dual-polarized problem.
Brief description of the drawings
Fig. 1 is horizontal radiation unit overall structure side view of the present invention.
Fig. 2 is vertical radiation unit overall structure side view of the present invention.
Fig. 3 is the top view of the radiating element of the second layer dielectric-slab of inventive antenna.
Fig. 4 is the overall top view of the second layer dielectric-slab of inventive antenna.
Fig. 5 is the active standing wave curve map of unit in inventive antenna battle array.
Fig. 6 is far field radiation pattern of the horizontal radiating element in 10GHz in inventive antenna battle array.
Fig. 7 is far field radiation pattern of the horizontal radiating element in 14GHz in inventive antenna battle array.
Fig. 8 is far field radiation pattern of the horizontal radiating element in 18GHz in inventive antenna battle array.
Fig. 9 is far field radiation pattern of the vertical radiation unit in 10GHz in inventive antenna battle array.
Figure 10 is far field radiation pattern of the vertical radiation unit in 14GHz in inventive antenna battle array.
Figure 11 is far field radiation pattern of the vertical radiation unit in 18GHz in inventive antenna battle array.
In figure：1. top dielectric plate of material, 2. middle level dielectric material plates, 3. layer dielectric plate of material, 4. metal base plates,
5. feeder equipment, 6. metal columns, 7. regualr decagon through holes, 2-1-1. first structures, the structures of 2-1-2. second, 2-1-3. the 3rd
Structure, the structures of 2-1-4. the 4th, the structures of 2-1-5. the 5th.
Embodiment
Broadband multilayer flat board double polarized antenna of the present invention, including the horizontal radiation list arranged in the form of n × m array
Member, vertical radiation unit, some balanced feed structures, top dielectric plate of material 1, the middle level medium material of the arrangement of m n array form
Flitch 2, layer dielectric plate of material 3, feeder equipment 5.
Fig. 1-Fig. 4 illustrates the structure of the present invention.The top dielectric plate of material 1, middle level dielectric material plate 2, lower floor are situated between
Material flitch 3, metal base plate 4 are set in accordance with the order from top to bottom.Wherein, the top dielectric plate of material 1, middle level medium material
The material that flitch 2, layer dielectric plate of material 3 are generally used using existing antenna array.
Horizontal radiation cell array, vertical radiation cell array are respectively arranged at the upper and lower table of middle level dielectric material plate 2
Face.The length direction of each horizontal radiation unit is identical in horizontal radiation cell array.It is each in vertical radiation cell array to hang down
The length direction of straight radiating element is identical and vertical with the length direction of horizontal radiation unit.It is the horizontal radiation unit, vertical
The structure of radiating element is identical, and comprising two symmetrical subelements, the subelement is in Pyatyi grading structure, from one end to another
End is respectively first structure 2-1-1, the second structure 2-1-2, the 3rd structure 2-1-3, the 4th structure 2-1-4, the 5th structure 2-1-
5, wherein first structure 2-1-1, the second structure 2-1-2, the 4th structure 2-1-4, the 5th structure 2-1-5 are rectangular, the 3rd structure
2-1-3 is trapezoidal, and first structure 2-1-1 width<The structure 2-1-2 of second structure 2-1-2 width=the 3rd short side length<3rd
The structure 2-1-2 long length of side<4th structure 2-1-4 width<5th structure 2-1-5 width.From first structure 2-1-1 to the 5th knot
Structure 2-1-5 directions are exactly length direction.
Further, a vertical radiation list is correspondingly arranged determined by each horizontal radiation unit subelement on vertical line
Member, the projection of horizontal radiation unit subelement opposite end in vertical direction fall into its lower vertical radiation unit subelement set
Opposite end region, the length in the region is less than the 5th structure 2-1-5 width.Further, horizontal radiation unit, hang down
Straight radiating element carries out n × m and m × n arrangement respectively, and the distance between adjacent radiation unit is d1, 0< d1, wherein being the present invention
Wavelength corresponding to maximum operating frequency.
The relative subelement of each two is correspondingly arranged a balanced feed structure, and the balanced feed structure includes four gold
Belong to post 6, be provided with a metal column 6 between the 3rd structure 2-1-3 of each subelement and the 4th structure 2-1-4, the metal column 6
The distance of circle center distance radiating element narrow end is respectively 0.3mm；A metal column 6, the gold are provided with first structure 2-1-1
Belong to the one end of post 6 connection subelement, the other end is connected on metal base plate 4, distance point of the metal column apart from radiating element narrow end
Wei not 0.3mm, 1.58mm.
The metal column 6 being connected with first structure 2-1-1 is connected to feeder equipment 5 by the region of metal base plate 4, remaining metal
Post 6 passes through the local ground of metal base plate 4.It should be appreciated that metal base plate 4 corresponding with the metal column 6 of first structure 2-1-1 connections
Region is independently of 4 other regions of metal base plate, to realize the connection with feeder equipment 5.
Further, the horizontal radiation unit, the length of vertical radiation unit are less than or equal to, wherein being the width
Wavelength corresponding to frequency multi-layer planar double polarized antenna lowest operating frequency, the wavelength are chosen according to being actually needed.
Further, the upper surface of middle level dielectric material plate 2, lower surface are provided with some（As nm, it is（n-1）×m
It is individual, work as n<During m, be n ×（m-1）It is individual）Regualr decagon through hole 7, around four water around each regualr decagon through hole 7 of upper surface
Flat radiating element, lower surface each regualr decagon through hole 7 around around four vertical radiation units.Decagon through hole, which plays, to be changed
The kind beamwidth of antenna, improve the effect of antenna scan angle.The length of side of regualr decagon through hole 7 is d3, 0<d3<0.31*(d1-2*d2)。d1
The spacing between spacing, neighboring vertical radiating element between horizontal radiation unit, d2For horizontal radiation unit subelement phase
The projection of opposite end in vertical direction falls into the opposite end region scope of its lower vertical radiation unit subelement set
Length.
Following antenna example is provided according to the said structure present invention：
Example 1:24 yuan of broadband multilayer flat board double polarized antenna
Upper dielectric material plate, selects a length of 26.78mm, a width of 26.78mm, thickness 3mm, and dielectric constant is 1.96 5880LZ
Dielectric-slab.
Middle dielectric material plate, select a length of 26.78mm, a width of 26.78mm, thickness 0.125mm, dielectric constant 2.2
Rogers RT dielectric-slabs.
Lower dielectric material plate, selects a length of 26.78mm, a width of 26.78mm, thickness 3mm, and dielectric constant is 1.96
5880LZ dielectric-slabs.
Horizontal radiation unit forms the upper surface that 3 × 4 arrays are uniformly printed on middle level dielectric material plate 2, vertical radiation list
Member 4 × 3 arrays of composition are uniformly printed on the lower surface of middle level dielectric material plate 2.Unit spacing is 8mm.
A width of 0.78mm of rectangle 2-1-1 in radiating element, a length of 0.8mm, rectangle 2-1-2 a width of 1.2mm are a length of
0.6mm, trapezoidal the 2-1-3 a length of 1.2mm of short side, long side a length of 1.4mm, a height of 0.4mm, rectangle 2-1-4 a width of 1.6mm,
A length of 0.4mm, rectangle 2-1-5 a width of 1.8mm, a length of 1.25mm.
The distance between radiating element two panels symmetrical structure is 0.41mm, horizontal radiation unit and vertical radiation cell end
The a length of 0.55mm of space overlapping part.
The length of side of regualr decagon through hole 7 is 1.4mm.
Advantages of the present invention can be by once emulating further explanation：
1st, emulation content
The active standing-wave ratio of examples detailed above antenna, far-field pattern are emulated using simulation software.
2nd, simulation result
Fig. 5 is the active standing-wave ratio curve map that unit in obtained battle array is emulated to the antenna of example 1.As seen from Figure 4, day of the present invention
Line has 8.5GHz-20.5GHz working band under conditions of active standing-wave ratio is less than 2, and this explanation inventive antenna has
Good wideband operation performance.
Fig. 6 is to emulate obtained XOZ faces and YOZ faces in 10GHz to horizontal radiating element antenna in the battle array in example 1
Horizontal polarization far-field pattern.From fig. 6 it can be seen that in 10GHz, horizontal radiating element has good radiation in battle array
Performance, the maximum gain of horizontal radiating element is 3.3dB in battle array.
Fig. 7 is to emulate obtained XOZ faces and YOZ faces in 14GHz to horizontal radiating element antenna in the battle array in example 1
Horizontal polarization far-field pattern.It can be seen from figure 7 that in 14GHz, horizontal radiating element has good radiation in battle array
Performance, the maximum gain of horizontal radiating element is 5.7dB in battle array.
Fig. 8 is to emulate obtained XOZ faces and YOZ faces in 18GHz to horizontal radiating element antenna in the battle array in example 1
Horizontal polarization far-field pattern.As can be seen from Figure 8, in 18GHz, horizontal radiating element has good radiation in battle array
Performance, the maximum gain of horizontal radiating element is 5.3dB in battle array.
Fig. 9 is to emulate obtained XOZ faces and YOZ faces in 10GHz to vertical radiation element antenna in the battle array in example 1
Vertical polarization far-field pattern.It can be seen in figure 9 that in 10GHz, vertical radiation unit has good radiation in battle array
Performance, the maximum gain of vertical radiation unit is 3.2dB in battle array.
Figure 10 is to emulate obtained XOZ faces and YOZ faces in 14GHz to vertical radiation element antenna in the battle array in example 1
Vertical polarization far-field pattern.It can be seen from fig. 10 that in 14GHz, vertical radiation unit has good spoke in battle array
Penetrate performance, the maximum gain of vertical radiation unit is 6.2dB in battle array.
Figure 11 is to emulate obtained XOZ faces and YOZ faces in 18GHz to vertical radiation element antenna in the battle array in example 1
Vertical polarization far-field pattern.It can be seen from fig. 11 that in 18GHz, vertical radiation unit has good spoke in battle array
Penetrate performance, the maximum gain of vertical radiation unit is 5.5dB in battle array.
In frequency band, inventive antenna has good radiance.Above simulation result illustrates that inventive antenna has
Outstanding radiance.
Beneficial effects of the present invention are：
Present invention employs enhancing coupling effect, the radiating element of step structure, balanced feed structure, above radiating element
The technical measures such as loaded medium layer realize the effect in broadband.It is simultaneously as of the invention by horizontal radiation unit and vertical radiation
Unit is spatially mutually perpendicular to arrange, and dual polarization performance is formd with this.
The calculated results show that inventive antenna has 8.5GHz- under conditions of active standing-wave ratio is less than 2
20.5GHz working band, realizes the broadband covering of single antenna, and section height is less than 1 centimetre, reduces the space of occupancy
Volume, realize dual polarization performance.Existing aerial array narrower bandwidth is overcome, section is high, it is difficult to realizes dual-polarized problem.
Claims (7)
1. a kind of broadband multilayer flat board double polarized antenna, it is characterised in that including the horizontal spoke arranged in the form of n × m array
Penetrate unit, the vertical radiation unit of m n array form arrangement, some balanced feed structures, top dielectric plate of material, middle level Jie
Material flitch, layer dielectric plate of material, metal base plate, feeder equipment, wherein, n, m are integer；
The top dielectric plate of material, middle level dielectric material plate, layer dielectric plate of material, metal base plate are suitable according to from top to bottom
Sequence is set；
Horizontal radiation cell array, vertical radiation cell array are respectively arranged at the upper and lower surface of middle level dielectric material plate, described
Horizontal radiation unit, the structure of vertical radiation unit are identical, and comprising two symmetrical subelements, the subelement is in Pyatyi gradual change
Structure, pass through respectively first structure, the second structure, the 3rd structure, the 4th structure, the 5th structure, wherein the
One structure, the second structure, the 4th structure, the 5th structure are rectangular, and the 3rd structure is trapezoidal, and first structure width<Second knot
The short side length of the structure of structure width=the 3rd<The long length of side of 3rd structure<4th structure width<5th structure width；
The relative subelement of each two is correspondingly arranged balanced feed structure, and the balanced feed structure includes four metal columns, and four
Individual metal column is symmetrically positioned in the both sides of radiating element two-by-two, and one is provided between the 3rd structure of each subelement and the 4th structure
Individual metal column, a metal column is provided with first structure, described metal column one end connects subelement, and the other end is connected to metal
On bottom plate；
The metal column being connected with first structure is connected to feeder equipment by metal base plate region, and remaining metal column passes through metal bottom
Plate local ground.
2. broadband multilayer flat board double polarized antenna as claimed in claim 1, it is characterised in that the horizontal radiation unit,
The length of vertical polarization unit is less than or equal to, wherein being the broadband multilayer flat board double polarized antenna lowest operating frequency
Corresponding wavelength.
3. broadband multilayer flat board double polarized antenna as claimed in claim 1, it is characterised in that each horizontal radiation unit
A vertical radiation unit is correspondingly arranged determined by unit on vertical line, horizontal radiation unit subelement opposite end is in Vertical Square
Upward projection falls into the opposite end region of its lower vertical radiation unit subelement set.
4. broadband multilayer flat board double polarized antenna as claimed in claim 3, it is characterised in that horizontal radiation unit subelement
The projection of opposite end in vertical direction falls into the opposite end region scope of its lower vertical radiation unit subelement set
Length be less than the 5th structure width.
5. broadband multilayer flat board double polarized antenna as claimed in claim 1, it is characterised in that on second layer dielectric material plate
Surface, lower surface are provided with some regualr decagon through holes, and four levels are surround around each regualr decagon through hole of upper surface
Radiating element, lower surface each regualr decagon through hole around around four vertical radiation units.
6. broadband multilayer flat board double polarized antenna as claimed in claim 5, it is characterised in that the regualr decagon through hole length of side is small
In 0.31* (d1-2*d2), wherein, d1Between between spacing, neighboring vertical radiating element between adjacent level radiating element
Away from d2Its lower vertical radiation unit set is fallen into for the projection of horizontal radiation unit subelement opposite end in vertical direction
The length of the opposite end region scope of unit.
7. broadband multilayer flat board double polarized antenna as claimed in claim 1, it is characterised in that adjacent level radiating element it
Between spacing it is identical with the spacing between neighboring vertical radiating element, it is described to be smaller than being equal to, wherein, be broadband multilayer flat board
Wavelength corresponding to double polarized antenna maximum operating frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710914217.7A CN107706519A (en) | 2017-09-30 | 2017-09-30 | A kind of broadband multilayer flat board double polarized antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710914217.7A CN107706519A (en) | 2017-09-30 | 2017-09-30 | A kind of broadband multilayer flat board double polarized antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107706519A true CN107706519A (en) | 2018-02-16 |
Family
ID=61175757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710914217.7A Pending CN107706519A (en) | 2017-09-30 | 2017-09-30 | A kind of broadband multilayer flat board double polarized antenna |
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| Country | Link |
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| CN (1) | CN107706519A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114421142A (en) * | 2021-12-20 | 2022-04-29 | 中国电子科技集团公司第二十九研究所 | Broadband low-profile scattering self-cancellation antenna array |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105633596A (en) * | 2016-03-11 | 2016-06-01 | 中国电子科技集团公司第二十九研究所 | Low-thermal-resistance connector-less feed array antenna and implementation method therefor |
| CN107104277A (en) * | 2017-04-25 | 2017-08-29 | 南京航空航天大学 | Dual polarization coupled dipole array antenna |
-
2017
- 2017-09-30 CN CN201710914217.7A patent/CN107706519A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105633596A (en) * | 2016-03-11 | 2016-06-01 | 中国电子科技集团公司第二十九研究所 | Low-thermal-resistance connector-less feed array antenna and implementation method therefor |
| CN107104277A (en) * | 2017-04-25 | 2017-08-29 | 南京航空航天大学 | Dual polarization coupled dipole array antenna |
Non-Patent Citations (2)
| Title |
|---|
| STEVEN S. HOLLAND、 DANIEL H. SCHAUBERT 、MARINOS N. VOUVAKIS: "A 7–21 GHz Dual-Polarized Planar Ultrawideband Modular Antenna (PUMA) Array", 《IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION 》 * |
| STEVEN S. HOLLAND、 MARINOS N. VOUVAKIS: "The Planar Ultrawideband Modular Antenna (PUMA) Array", 《IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114421142A (en) * | 2021-12-20 | 2022-04-29 | 中国电子科技集团公司第二十九研究所 | Broadband low-profile scattering self-cancellation antenna array |
| CN114421142B (en) * | 2021-12-20 | 2023-05-09 | 中国电子科技集团公司第二十九研究所 | Broadband low-profile scattering self-cancellation antenna array |
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Application publication date: 20180216 |
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