CN109462038A - The micro-strip grid array antenna of double frequency-band - Google Patents
The micro-strip grid array antenna of double frequency-band Download PDFInfo
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- CN109462038A CN109462038A CN201811124783.9A CN201811124783A CN109462038A CN 109462038 A CN109462038 A CN 109462038A CN 201811124783 A CN201811124783 A CN 201811124783A CN 109462038 A CN109462038 A CN 109462038A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
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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
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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
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
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Abstract
The present invention provides a kind of micro-strip grid array antennas of double frequency-band, comprising: antenna radiator, medium substrate, ground level；The radiator is arranged in parallel in medium substrate upper surface；The ground level is arranged in parallel in medium substrate lower surface.The present invention can motivate two operating modes, realize that double frequency-band, antenna radiator of the invention also have many advantages, such as that physical size is small, integrate by changing feed position on original grid array antenna foundation.
Description
Technical field
The present invention relates to antenna technical fields, and in particular, to the micro-strip grid array antenna of double frequency-band.
Background technique
Present wireless communication technique fast development meets people to information requirement.As in wireless communication system
Essential device -- antenna is also in the direction towards miniaturization, integrated, multi-functional (multiband, multipolarization and multipurpose)
Development.The multiband work of antenna can reduce the use of a large amount of antennas, to reduce the volume of wireless communication system.It is domestic
Also there is a large amount of work in external multiband aerial direction.The present invention is to improve grid array antenna applied to two-band.
Grid array antenna has extensive work report at present, however not yet to report two-band application work.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of micro-strip grid array antennas of double frequency-band.
A kind of micro-strip grid array antenna of the double frequency-band provided according to the present invention characterized by comprising aerial radiation
Body, medium substrate, ground level；
The radiator is arranged in parallel in medium substrate upper surface；
The ground level is arranged in parallel in medium substrate lower surface.
Preferably, the antenna radiator includes: the grid array of multiple micro-strip rectangular element compositions；
The antenna radiator uses coaxial feed.
Preferably, if rectangular coordinate system in space o-xyz includes: origin o, x-axis, y-axis, z-axis；
The medium substrate is parallel to the face xoy of rectangular coordinate system in space o-xyz；
The multiple micro-strip rectangular element is staggered along rectangular coordinate system in space y-axis direction and forms grid array.
Preferably, the micro-strip rectangular element includes: two short sides and two long sides；
Short side width wl=1mm, long hem width degree ws=0.8mm, bond length s=5.3mm, long side length l=11mm；
The short side of the micro-strip rectangular element is parallel with y-axis, and long side is parallel with x-axis.
Preferably, the quantity of the micro-strip rectangular element is 13；
13 micro-strip rectangular elements are staggered for 5 column micro-strip rectangular elements along rectangular coordinate system in space y-axis direction
Column；
Each column in 1st, 3,5 column micro-strip rectangular elements column include 3 micro-strip rectangular elements, the 1st, 3,5 column micro-strips
A short side of the 1st micro-strip rectangular element of each column is overlapped with a short side of the 2nd micro-strip rectangular element in rectangular element column,
Another short side of 2nd micro-strip rectangular element is overlapped with a short side of the 3rd micro-strip rectangular element；
Each column in 2nd, 4 column micro-strip rectangular elements column include 2 micro-strip rectangular elements, the 2nd, 4 column micro-strip rectangles
Each short side for arranging the 1st micro-strip rectangular element is overlapped with a short side of the 2nd micro-strip rectangular element in cell columns；
The 5 column micro-strip rectangular element column, the short side institute about the coincidence in the 2nd and the 4th column micro-strip rectangular element column
Straight line it is symmetrical；
One end of another short side of the 1st micro-strip rectangular element in 2nd column micro-strip rectangular element column intersects vertically, and intersects
The middle position of one long side of the 1st micro-strip rectangular element in the 1st column micro-strip rectangular element column, the 2nd column micro-strip rectangle list
The long side that one long side of member column is arranged with the 1st column micro-strip rectangular element partially overlaps；
The other end of another short side of the 1st micro-strip rectangular element in 2nd column micro-strip rectangular element column intersects vertically, phase
Meet at the middle position of a long side of the 1st micro-strip rectangular element in the 3rd column micro-strip rectangular element column, the 2nd column micro-strip rectangle
The long side that another long side of cell columns is arranged with the 3rd column micro-strip rectangular element partially overlaps；
One end of one short side of the 1st micro-strip rectangular element in the 4th column micro-strip rectangular element column intersects vertically, and intersects at
The middle position of another long side of the 1st micro-strip rectangular element in 3rd column micro-strip rectangular element column, the 4th column micro-strip rectangle list
Another long side that one long side of member column is arranged with the 3rd column micro-strip rectangular element partially overlaps；
The other end of one short side of the 1st micro-strip rectangular element in the 4th column micro-strip rectangular element column intersects vertically, and intersects
The middle position of one long side of the 1st micro-strip rectangular element in the 5th column micro-strip rectangular element column, the 4th column micro-strip rectangle list
The long side that another long side of member column is arranged with the 5th column micro-strip rectangular element partially overlaps.
Preferably, further includes: probe；
The probe is connected with grid array, passes through medium substrate, is used for radiation excitation.
Preferably, the area size length D of the grid array1=31mm；Width D2=23.3mm；
The thickness t=1mm of the medium substrate, the medium substrate are rectangle, the length L of medium substrate1=60mm, it is wide
Spend L2=60mm, the permittivity ε of medium substrater=4.4, δ=0.02 loss angle tan of medium substrate；
Length of the probe away from medium substrate is L1One side distance T1=27.75mm, the length away from medium substrate are
L2One side distance T2=25mm.
Preferably, the ground level is the copper that covers of medium substrate lower surface, and ground level and grid array form microstrip structure,
The microstrip structure transmits electric current.
Preferably, in high band operation, the electrical length of short side is the half of high-frequency resonant wavelength, and long side is resonance wave
Long, long side transmits electric current, and short side is for radiating；In high band operation, the current distribution of each long side of micro-strip rectangular element
Symmetrical with middle position of long side, opposite in phase generates radiation cancellation, non-radiating energy；
In low-frequency range work, the electrical length of all long sides on the same line of micro-strip rectangular element, additional one
The electrical length of short side generates low-frequency range radiation.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1, antenna radiator of the invention has many advantages, such as that physical size is small, integrates.
2, the present invention is by changing feed position, can motivate two work on original grid array antenna foundation
Mode realizes double frequency-band.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram of the micro-strip grid array antenna of double frequency-band provided by the invention.
Fig. 2 is the conventional grid antenna structure view of embodiment 2 provided by the invention.
Fig. 3 is the structural schematic diagram of the micro-strip paster antenna of embodiment 2 provided by the invention.
Fig. 4 is the operating mode current distribution of two frequency ranges of the micro-strip grid array antenna of double frequency-band provided by the invention
Contrast schematic diagram.
Fig. 5 is the micro-strip grid array antenna of the double frequency-band of embodiment 2 provided by the invention and the low-frequency range of paster antenna
The contrast schematic diagram of S11 parameter.
The micro-strip grid array antenna and paster antenna that Fig. 6 is the double frequency-band of embodiment 2 provided by the invention are in 2.27GHz
When the current distribution contrast schematic diagram that emulates.
Fig. 7 is the micro-strip grid array antenna and conventional grid array antenna of the double frequency-band of embodiment 2 provided by the invention
High band S11 parameter contrast schematic diagram.
The two-band micro-strip grid array antenna and paster antenna that Fig. 8 is embodiment 2 provided by the invention in 2.27GHz,
The contrast schematic diagram of real gain direction when Phi=0 is spent.
The two-band micro-strip grid array antenna and paster antenna that Fig. 9 is embodiment 2 provided by the invention in 2.27GHz,
The contrast schematic diagram of real gain direction when Phi=90 is spent.
Figure 10 is that the two-band micro-strip grid array antenna of embodiment 2 provided by the invention and conventional grid array antenna exist
The contrast schematic diagram of real gain direction when 17.7GHz, Phi=0 are spent.
Figure 11 is that the two-band micro-strip grid array antenna of embodiment 2 provided by the invention and conventional grid array antenna exist
The contrast schematic diagram of real gain direction when 17.7GHz, Phi=90 are spent.
Figure 12 is the two-band micro-strip grid array antenna and paster antenna of embodiment 2 provided by the invention, conventional grid
The real gain of array antenna and the contrast schematic diagram of frequency relation.
It is shown in figure:
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention
Protection scope.
As shown in Figure 1, a kind of micro-strip grid array antenna of the double frequency-band provided according to the present invention, which is characterized in that packet
It includes: antenna radiator, medium substrate, ground level；
The radiator is arranged in parallel in medium substrate upper surface；
The ground level is arranged in parallel in medium substrate lower surface.
Specifically, the antenna radiator includes: the grid array of multiple micro-strip rectangular element compositions；
The antenna radiator uses coaxial feed.
Specifically, if rectangular coordinate system in space o-xyz includes: origin o, x-axis, y-axis, z-axis；
The medium substrate is parallel to the face xoy of rectangular coordinate system in space o-xyz；
The multiple micro-strip rectangular element is staggered along rectangular coordinate system in space y-axis direction and forms grid array.
Specifically, the micro-strip rectangular element includes: two short sides and two long sides；
Short side width wl=1mm, long hem width degree ws=0.8mm, bond length s=5.3mm, long side length l=11mm；
The short side of the micro-strip rectangular element is parallel with y-axis, and long side is parallel with x-axis.
Specifically, the quantity of the micro-strip rectangular element is 13；
13 micro-strip rectangular elements are staggered for 5 column micro-strip rectangular elements along rectangular coordinate system in space y-axis direction
Column；
Each column in 1st, 3,5 column micro-strip rectangular elements column include 3 micro-strip rectangular elements, the 1st, 3,5 column micro-strips
A short side of the 1st micro-strip rectangular element of each column is overlapped with a short side of the 2nd micro-strip rectangular element in rectangular element column,
Another short side of 2nd micro-strip rectangular element is overlapped with a short side of the 3rd micro-strip rectangular element；
Each column in 2nd, 4 column micro-strip rectangular elements column include 2 micro-strip rectangular elements, the 2nd, 4 column micro-strip rectangles
Each short side for arranging the 1st micro-strip rectangular element is overlapped with a short side of the 2nd micro-strip rectangular element in cell columns；
The 5 column micro-strip rectangular element column, the short side institute about the coincidence in the 2nd and the 4th column micro-strip rectangular element column
Straight line it is symmetrical；
One end of another short side of the 1st micro-strip rectangular element in 2nd column micro-strip rectangular element column intersects vertically, and intersects
The middle position of one long side of the 1st micro-strip rectangular element in the 1st column micro-strip rectangular element column, the 2nd column micro-strip rectangle list
The long side that one long side of member column is arranged with the 1st column micro-strip rectangular element partially overlaps；
The other end of another short side of the 1st micro-strip rectangular element in 2nd column micro-strip rectangular element column intersects vertically, phase
Meet at the middle position of a long side of the 1st micro-strip rectangular element in the 3rd column micro-strip rectangular element column, the 2nd column micro-strip rectangle
The long side that another long side of cell columns is arranged with the 3rd column micro-strip rectangular element partially overlaps；
One end of one short side of the 1st micro-strip rectangular element in the 4th column micro-strip rectangular element column intersects vertically, and intersects at
The middle position of another long side of the 1st micro-strip rectangular element in 3rd column micro-strip rectangular element column, the 4th column micro-strip rectangle list
Another long side that one long side of member column is arranged with the 3rd column micro-strip rectangular element partially overlaps；
The other end of one short side of the 1st micro-strip rectangular element in the 4th column micro-strip rectangular element column intersects vertically, and intersects
The middle position of one long side of the 1st micro-strip rectangular element in the 5th column micro-strip rectangular element column, the 4th column micro-strip rectangle list
The long side that another long side of member column is arranged with the 5th column micro-strip rectangular element partially overlaps.
Specifically, further includes: probe；
The probe is connected with grid array, passes through medium substrate, is used for radiation excitation.
Specifically, the area size length D of the grid array1=31mm；Width D2=23.3mm；
The thickness t=1mm of the medium substrate, the medium substrate are rectangle, the length L of medium substrate1=60mm, it is wide
Spend L2=60mm, the permittivity ε of medium substrater=4.4, δ=0.02 loss angle tan of medium substrate；
Length of the probe away from medium substrate is L1One side distance T1=27.75mm, the length away from medium substrate are
L2One side distance T2=25mm.
As shown in figure 4, specifically, the ground level is the copper that covers of medium substrate lower surface, ground level and grid array group
At microstrip structure, the microstrip structure transmits electric current.
Specifically, in high band operation, the electrical length of short side is the half of high-frequency resonant wavelength, and long side is resonance wave
Long, long side transmits electric current, and short side is for radiating；In high band operation, the current distribution of each long side of micro-strip rectangular element
Symmetrical with middle position of long side, opposite in phase generates radiation cancellation, non-radiating energy；
In low-frequency range work, the electrical length of all long sides on the same line of micro-strip rectangular element, additional one
The electrical length of short side generates low-frequency range radiation.
The present invention is more specifically illustrated below by preferred or variation embodiment.
Embodiment 1:
For the wireless communication system work antenna of multiband, the present embodiment devises a kind of double frequency-band micro-strip grid array
Antenna can be used for wireless communication system.The antenna cover two frequency ranges, can also optimization design, cover specific frequency range.The antenna
It mainly include radiator, the structures such as medium substrate metal ground and coaxial feed.
Antenna radiator is that have multiple microstrip line rectangular configurations, and intersection dislocation is constituted.There are two the unit of grid array is
Short side, two long side compositions.In high band, the electrical length of short side is about high-frequency resonant wavelength half, and long side is about resonance wavelength.
Long side plays the transmission function of current, and short side is for radiating.In low-frequency range, the long side on perpendicular to short side direction of grid array
Total electrical length, an additional short side form low band resonance.
Double frequency-band grid array antenna, schematic diagram involved in above-described embodiment are as shown in Figure 1.
Antenna Operation process is that driving source is loaded between grid array and floor by coaxial feed.When antenna is in
When high band operation, for short side as radiating element, forming array has very high gain.It is long when antenna is in low-frequency range work
Side is as radiating element, similar to the operating mode of paster antenna.
Embodiment 2:
The present invention devises a kind of double frequency-band micro-strip grid array antenna, can be used for wireless communication system.The antenna volume
Only 60mm × 60mm × 1mm can cover 2.27 and 17.7GHz, two frequency bands.
As shown in Figure 1, being the physical structure schematic diagram of the double frequency-band micro-strip grid array antenna.Array grid list in total
13 compositions of member.The FR4 that medium substrate uses with a thickness of 1mm, ground level length and width are 60 × 60mm.SMA coaxial feed.Fig. 2's
The patch-antenna structure of conventional grid antenna structure and Fig. 3 are used for contrast properties, and conventional grid antenna is by probe to medium substrate
The length adjustment on both sides is T1=27.75mm, T2=30mm.
The current distributing figure that Fig. 4 and Fig. 6 give is for understanding antenna operation principle.
Shown in S11 parameter such as Fig. 5 (low frequency), Fig. 7 (high frequency) of the double frequency-band micro-strip grid array antenna.
Fig. 7 to Figure 11 is respectively the 2.27GHz of above-mentioned antenna, the real gain pattern of 17.7GHz, wherein a certain plane of@
It indicates: on a certain plane.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
In the description of the present application, it is to be understood that term " on ", "front", "rear", "left", "right", " is erected at "lower"
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is orientation based on the figure or position
Relationship is set, description the application is merely for convenience of and simplifies description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (10)
1. a kind of micro-strip grid array antenna of double frequency-band characterized by comprising antenna radiator, medium substrate, Horizon
Face；
The antenna radiator is arranged in parallel in medium substrate upper surface；
The ground level is arranged in parallel in medium substrate lower surface.
2. the micro-strip grid array antenna of double frequency-band according to claim 1, which is characterized in that the antenna radiator packet
It includes: the grid array being mainly made of multiple micro-strip rectangular elements；
The antenna radiator uses coaxial feed.
3. the micro-strip grid array antenna of double frequency-band according to claim 2, which is characterized in that set rectangular coordinate system in space
O-xyz includes: origin o, x-axis, y-axis, z-axis；
The medium substrate is parallel to the face xoy of rectangular coordinate system in space o-xyz；
The multiple micro-strip rectangular element is staggered along rectangular coordinate system in space y-axis direction and forms grid array.
4. the micro-strip grid array antenna of double frequency-band according to claim 3, which is characterized in that the micro-strip rectangular element packet
It includes: two short sides and two long sides；
Short side width wl=1mm, long hem width degree ws=0.8mm, bond length s=5.3mm, long side length l=11mm；
The short side of the micro-strip rectangular element is parallel with y-axis, and long side is parallel with x-axis.
5. the micro-strip grid array antenna of double frequency-band according to claim 4, which is characterized in that the micro-strip rectangular element
Quantity be 13；
13 micro-strip rectangular elements are staggered for 5 column micro-strip rectangular elements column along rectangular coordinate system in space y-axis direction；
Each column in 1st, 3,5 column micro-strip rectangular elements column include 3 micro-strip rectangular elements, the 1st, 3,5 column micro-strip rectangles
A short side of the 1st micro-strip rectangular element of each column is overlapped with a short side of the 2nd micro-strip rectangular element in cell columns, and the 2nd
Another short side of a micro-strip rectangular element is overlapped with a short side of the 3rd micro-strip rectangular element；
Each column in 2nd, 4 column micro-strip rectangular elements column include 2 micro-strip rectangular elements, the 2nd, 4 column micro-strip rectangular elements
Each short side for arranging the 1st micro-strip rectangular element is overlapped with a short side of the 2nd micro-strip rectangular element in column；
The 5 column micro-strip rectangular element column, about where the short side of the coincidence in the 2nd and the 4th column micro-strip rectangular element column
Straight line is symmetrical；
One end of another short side of the 1st micro-strip rectangular element in 2nd column micro-strip rectangular element column intersects vertically, and intersects at the
The middle position of one long side of the 1st micro-strip rectangular element in 1 column micro-strip rectangular element column, the 2nd column micro-strip rectangular element column
The long side that is arranged with the 1st column micro-strip rectangular element of a long side partially overlap；
The other end of another short side of the 1st micro-strip rectangular element in 2nd column micro-strip rectangular element column intersects vertically, and intersects at
The middle position of one long side of the 1st micro-strip rectangular element in the 3rd column micro-strip rectangular element column, the 2nd column micro-strip rectangular element
The long side that another long side of column is arranged with the 3rd column micro-strip rectangular element partially overlaps；
One end of one short side of the 1st micro-strip rectangular element in the 4th column micro-strip rectangular element column intersects vertically, and intersects at the 3rd
The middle position of another long side of the 1st micro-strip rectangular element in column micro-strip rectangular element column, the 4th column micro-strip rectangular element column
Another long side for being arranged with the 3rd column micro-strip rectangular element of a long side partially overlap；
The other end of a short side of the 1st micro-strip rectangular element in 4th column micro-strip rectangular element column intersects vertically, and intersects at the
The middle position of one long side of the 1st micro-strip rectangular element in 5 column micro-strip rectangular elements column, the 4th column micro-strip rectangular element column
The long side that is arranged with the 5th column micro-strip rectangular element of another long side partially overlap.
6. the micro-strip grid array antenna of double frequency-band according to claim 2, which is characterized in that further include: probe；
The probe is connected with grid array, passes through medium substrate, is used for radiation excitation.
7. the micro-strip grid array antenna of double frequency-band according to claim 6, which is characterized in that the face of the grid array
Product dimensions length D1=31mm；Width D2=23.3mm；
The thickness t=1mm of the medium substrate, the medium substrate are rectangle, the length L of medium substrate1=60mm, width L2
=60mm, the permittivity ε of medium substrater=4.4, δ=0.02 loss angle tan of medium substrate；
Length of the probe away from medium substrate is L1One side distance T1=27.75mm, the length away from medium substrate are L2's
The distance T on one side2=25mm.
8. the micro-strip grid array antenna of double frequency-band according to claim 1, which is characterized in that the ground level is medium
Base lower surface covers copper, and ground level and grid array form microstrip structure, and the microstrip structure transmits electric current.
9. the micro-strip grid array antenna of double frequency-band according to claim 4, which is characterized in that in high band operation,
The electrical length of short side is the half of high-frequency resonant wavelength, and long side is resonance wavelength, and long side transmits electric current, and short side is for radiating；?
When high band operation, the current distribution of each long side of micro-strip rectangular element is symmetrical with middle position of long side, opposite in phase, generates
Radiate cancellation, non-radiating energy；
In low-frequency range work, the electrical length of all long sides on the same line of micro-strip rectangular element, an additional short side
Electrical length, generate low-frequency range radiation.
10. the micro-strip grid array antenna of double frequency-band according to claim 1, which is characterized in that the grid array is only
It is made of multiple micro-strip rectangular elements.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380199A (en) * | 2019-06-20 | 2019-10-25 | 上海交通大学 | Shared aperture dual-band array antenna based on micro-strip grid and patch |
| CN110459862A (en) * | 2019-08-23 | 2019-11-15 | 深圳大学 | A kind of millimeter wave grid array antenna based on slot radiation |
| CN113497349A (en) * | 2020-03-18 | 2021-10-12 | 富华科精密工业（深圳）有限公司 | Antenna array and electronic equipment with same |
| CN113708088A (en) * | 2021-09-06 | 2021-11-26 | 安徽大学 | Broadband coplanar waveguide structure grid array antenna |
| WO2022237559A1 (en) * | 2021-05-11 | 2022-11-17 | 华为技术有限公司 | Electronic device |
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| CN110380199A (en) * | 2019-06-20 | 2019-10-25 | 上海交通大学 | Shared aperture dual-band array antenna based on micro-strip grid and patch |
| CN110459862A (en) * | 2019-08-23 | 2019-11-15 | 深圳大学 | A kind of millimeter wave grid array antenna based on slot radiation |
| CN110459862B (en) * | 2019-08-23 | 2021-05-18 | 深圳大学 | Millimeter wave grid array antenna based on slot radiation |
| CN113497349A (en) * | 2020-03-18 | 2021-10-12 | 富华科精密工业（深圳）有限公司 | Antenna array and electronic equipment with same |
| WO2022237559A1 (en) * | 2021-05-11 | 2022-11-17 | 华为技术有限公司 | Electronic device |
| CN113708088A (en) * | 2021-09-06 | 2021-11-26 | 安徽大学 | Broadband coplanar waveguide structure grid array antenna |
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