CN209472105U - A kind of lens antenna - Google Patents
A kind of lens antenna Download PDFInfo
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- CN209472105U CN209472105U CN201920065736.5U CN201920065736U CN209472105U CN 209472105 U CN209472105 U CN 209472105U CN 201920065736 U CN201920065736 U CN 201920065736U CN 209472105 U CN209472105 U CN 209472105U
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Abstract
The embodiment of the present application discloses a kind of lens antenna, which includes: antenna feed, turn back lens and lens array；The antenna feed, for the lens electromagnetic signals of turning back；The lens array includes at least two lens array elements, is distributed on the surface of emission of the lens of turning back；The lens of turning back, for the electromagnetic wave signal to be refracted to each lens array element on the surface of emission；Each lens array element, for the electromagnetic wave signal to be converted to radiation beam, and to external radiation.
Description
Technical field
The invention relates to wireless communication techniques, relate to, but are not limited to a kind of lens antenna.
Background technique
Lens antenna is that the spherical wave or cylindrical wave of point source or line source can be converted to plane wave by electromagnetic wave by one kind
To obtain the antenna of pen shape, sector or other shapes wave beam.By design lens surface shape and refractive index, electromagnetic wave is adjusted
Phase velocity to obtain the plane wave front on radiating aperture.However, in the prior art, the case where for feed limited amount, lens
It is limited that antenna covers angular domain, it is difficult to realize the function of multi-beam.
Summary of the invention
In view of this, the embodiment of the present application be solve the problems, such as it is existing in the prior art at least one and a kind of lens are provided
Antenna.
The technical solution of the embodiment of the present application is achieved in that
The application provides a kind of lens antenna, which includes: antenna feed, turn back lens and lens array；Institute
Antenna feed is stated, for the lens electromagnetic signals of turning back；The lens array includes at least two lens array elements,
It is distributed on the surface of emission of the lens of turning back；The lens of turning back, for the electromagnetic wave signal to be refracted to the transmitting
Each lens array element on face；Each lens array element, for the electromagnetic wave signal to be converted to radiation beam, and outside spoke
It penetrates.
In the embodiment of the present application, by providing a kind of lens antenna, by the lens array of bionic compound eyes structure, in antenna
In the case where feed limited amount, the function of multi-beam is realized, expand antenna and cover angular domain.
Detailed description of the invention
Figure 1A is the composed structure schematic diagram of lens antenna in the related technology；
Figure 1B is the schematic illustration of lens antenna in the related technology；
Fig. 2A is the composed structure schematic diagram using the primary lens of dragon of multiple feeds；
Fig. 2 B is the schematic illustration using the primary lens forming multi-beam of dragon；
Fig. 3 is the composed structure schematic diagram of the lens antenna in the embodiment of the present application；
Fig. 4 is the structural schematic diagram of the bay of lens antenna in the embodiment of the present application.
Specific embodiment
Each embodiment for a better understanding of the present invention now carries out following noun to make description below:
Feed is the primary radiator of high-gain aerial, for high-frequency current or constraint electromagnetic wave being become the electromagnetism of radiation
Wave energy is a kind of moderate directivity antenna.
Focus herein refers to the optical focus of lens, is parallel to the light of primary optical axis by converging at primary optical axis after convex lens
On a bit, this point is the focus of convex lens, be parallel to the light of primary optical axis by dissipating after concavees lens, divergent rays it is anti-
A bit on primary optical axis is intersected to extended line, is the focus of concavees lens.
Wave surface, also known as corrugated or equiphase surface are that the vibration that wave source issues propagates arrived through same time in the medium
The face of each point composition reached.The corrugated walked up front is referred to as wavefront.
Spherical wave refers to that wave surface is the wave of concentric spherical.
Cylindrical wave refers to that wave surface is the wave of coaxial cylindrical surface.
Minor lobe, also known as secondary lobe.On antenna radiation pattern, petal-shaped, maximum radiation side is presented in the radiation direction of wave beam
Be known as main lobe to the valve at place, with valve be known as secondary lobe or minor lobe.The radiation on direction that the wave beam of usual main lobe is desirable to,
And minor lobe is undesirable, the problems such as minor lobe can bring interference.
Path loss, i.e. path loss refer to electromagnetic wave generated loss in transmission process.
Fly's-eye lens is to combine the lens devices formed by a series of lenslets.Fly eye lens array is generally used for illuminating
System can obtain the Uniform Illumination of the high efficiency of light energy utilization and large area.Fly's-eye lens is in micro-display and Projection Display
Field has broad application prospects.
The primary lens (Luneberg Lens) of dragon, also known as imperial vigorous lens, it is a spherical multi-panel refractor, when
It after rays pass through lens, can mutually be reflected in lens two sides, form the mirror image of an amplification.Antenna using the primary lens of dragon is claimed
For Luneberg lens antenna, it is mainly used for converging the spherical wave of diverging for plane wave.
Lens antenna in the related technology generally uses multilayered structure, and lens medium refractive index is uneven, and each layer has
Feed 10 (information source) is put into focal point as shown in Figure 1A by fixed uniform dielectric constant, in lens 11 refractive index of each point and
The distance of various point locations to the centre of sphere is related, as shown in Figure 1B, meets following formula (1), then can converge spherical wave as plane
Wave, wavefront 12 are equiphase surface:
Wherein, ε (r) is the refractive index of any in lens, and r is distance of the point to the centre of sphere, and R is the radius of sphericity of lens, n
It (r) is refraction coefficient.
It to formation multi-beam, then needs to arrange multiple feeds in lens periphery, as shown in Figure 2 A, lens 11 are that dragon uncle is saturating
Mirror, feed 10 are distributed in each focal point of 11 side of lens.When feed 10 is to 11 electromagnetic signals of lens, lens 11
The other side be correspondingly formed multiple wave beams 13, as shown in Figure 2 B.
For this lens antenna, the beam angle covering domain that single feed is formed is limited, and when feed location deviates
When focus, the minor lobe of generation is larger.Need to realize multi-beam when increasing coverage area, to need using multiple feeds and rear end electricity
Road increases path loss and cost.
The technical solution of the utility model is further elaborated on reference to the accompanying drawings and examples.
The embodiment of the present application provides a kind of lens antenna 100, as shown in figure 3, the lens antenna 100 includes: antenna feed
110, it turns back lens 120 and lens array 130.
Antenna feed 110, for 120 electromagnetic signals of lens of turning back；
Lens array 130 includes at least two lens array elements 131, is distributed on the surface of emission 121 for lens 120 of turning back；
It turns back lens 120, for electromagnetic wave signal to be refracted to each lens array element 131 on the surface of emission 121；
Each lens array element 131, for electromagnetic wave signal to be converted to radiation beam, and to external radiation.
Here, antenna feed 110 can be with only one, and the electromagnetic wave signal launched enters in lens of turning back, and turns back
Mirror is made of the dielectric material that can transmit electromagnetic wave.The dielectric constant of lens interior of turning back can be non-uniform, and turn back
The dielectric constant of lens is different from air or vacuum, and therefore, electromagnetic wave signal can reflect after entering lens of turning back.According to need
It asks, the structure of lens interior that can be turned back by setting and the dielectric constant for lens of turning back are turned back to determine that electromagnetic wave enters
Transmission path after mirror.Electromagnetic wave signal reaches the surface of emission for lens of turning back, is dispersed with here after the refraction for lens of turning back
Lens array including at least two lens array elements.Each lens array element can receive a part of electromagnetic wave signal, and will receive
To spherical wave or the electromagnetic wave signals of the waveforms such as cylindrical wave be converted to the radiation beam of the forms such as plane wave, then launch outward.
The embodiment of the present application provides another lens antenna, which includes: antenna feed, turn back lens and lens
Array.
Antenna feed, for lens electromagnetic signals of turning back；
Lens array includes at least two lens array elements, is distributed on the surface of emission for lens of turning back；
It turns back lens, for electromagnetic wave signal to be refracted to each lens array element on the surface of emission；
Each lens array element, for electromagnetic wave signal to be converted to radiation beam, and to external radiation；
Lens of turning back include at least two layers of the medium arranged from inside to outside, wherein are located at positioned at the media packs of outer layer interior
The medium of layer makes the electromagnetic wave signal by the antenna feed through each layer medium；
At least two layers of medium makes the electromagnetic wave signal be divided at least two-way for providing at least two signal paths
Signal, and refract to from the antenna feed focal point of each lens array element on the surface of emission.
By the way that the shape of each layer of medium of lens of turning back and the dielectric constant of material is arranged, so that it may determine electromagnetic wave signal
Refractive direction into after lens of turning back.At least two layers of medium can make electromagnetic wave occur repeatedly to reflect in lens of turning back, from
And form certain signal path.Here, by designing lens of turning back, can be divided into after so that electromagnetic wave signal is entered lens of turning back
At least two-way, that is, at least two layers of the medium for lens of turning back provide at least two signal paths.
What lens array element here was made of lens, the focus with lens, when electromagnetic wave signal is by lens of turning back
Refraction after, the focus of directive lens array element is converted to radiation beam using the refraction of lens array element, and to external radiation.
The embodiment of the present application provides another lens antenna, which includes: antenna feed, turn back lens and lens
Array.
Antenna feed, for lens electromagnetic signals of turning back；
Lens array includes at least two lens array elements, is distributed on the surface of emission for lens of turning back；
It turns back lens, for electromagnetic wave signal to be refracted to each lens array element on the surface of emission；
Each lens array element, for electromagnetic wave signal to be converted to radiation beam, and to external radiation；
Lens of turning back include at least two layers of the medium arranged from inside to outside, wherein are located at positioned at the media packs of outer layer interior
The medium of layer makes the electromagnetic wave signal by the antenna feed through each layer medium；
At least two layers of medium is respectively provided with preset dielectric constant and different geometric parameters；Wherein, adjacent two layers
The dielectric constant of medium is different.At least two layers of medium makes the electromagnetic wave signal for providing at least two signal paths
It is divided at least two paths of signals, and refracts to the focal point of each lens array element on the surface of emission from the antenna feed.
Here, every layer of medium all has a different geometries, the medium of the media packs internal layer of outer layer, every layer of medium
Geometry is determined by geometric parameter, for example, geometric parameter includes the long axis of outer surface when one layer of medium is elliposoidal
Radius and minor axis radius, the major axis radius of inner surface and minor axis radius and the thickness of each position etc..
The dielectric constant of adjacent two layers medium is different, in this way, when electromagnetic wave signal enters another layer of medium by one layer of medium,
Refraction effect can occur, change the direction of propagation.Electromagnetic wave signal after at least two layers of medium, roll at least twice by generation
It penetrates, to obtain certain signal path, reaches the focal point of specified lens array element.
The embodiment of the present application provides another lens antenna, which includes: antenna feed, turn back lens and lens
Array.
Antenna feed, for lens electromagnetic signals of turning back；
Lens array includes at least two lens array elements, is distributed on the surface of emission for lens of turning back；
It turns back lens, for electromagnetic wave signal to be refracted to each lens array element on the surface of emission；
Each lens array element is convex lens or concavees lens, for that will be respectively converted into plane wave per electromagnetic wave signal all the way
Beam, and to external radiation；
Lens of turning back include at least two layers of the medium arranged from inside to outside, wherein are located at positioned at the media packs of outer layer interior
The medium of layer makes the electromagnetic wave signal by the antenna feed through each layer medium；
At least two layers of medium is respectively provided with preset dielectric constant and different geometric parameters；Wherein, adjacent two layers
The dielectric constant of medium is different.At least two layers of medium makes the electromagnetic wave signal for providing at least two signal paths
It is divided at least two paths of signals, and refracts to the focal point of each lens array element on the surface of emission from the antenna feed.
The structure of lens array element is as shown in figure 4, can be convex lens or concavees lens, wherein convex lens includes: one side protrusion
Another side is the concave-convex lens of the raised another side recess of plano-convex lens, biconvex convex-convex lens and one side of plane；It is recessed
Mirror include: again the another side that is recessed be the plano-concave lens of plane, two sides recess concavo-concave lens and while raised another side it is recessed
Sunken meniscus.Electromagnetic wave forms collimated beam of sound through superrefraction by the focal point directive convex lens or concavees lens of lens array element,
And to external radiation.
In other embodiments, the focus of each lens array element is located on the surface of emission for lens of turning back.
Electromagnetic wave signal is divided into several signals and arrives separately on the surface of emission for lens of turning back after the refraction for lens of turning back
Each lens array element focal point, be converted to collimated beam of sound using lens array element, and to external radiation.
The embodiment of the present application provides a kind of lens antenna, which includes: antenna feed, turn back lens and lens array
Column.
Antenna feed, for lens electromagnetic signals of turning back；
It turns back lens, for electromagnetic wave signal to be refracted to each lens array element on the surface of emission；Lens of turning back are hemisphere
Shape, antenna feed are located at the centre of sphere for lens of turning back；
Lens array includes at least two lens array elements, is distributed on the hemisphere face for lens of turning back；
Each lens array element, for electromagnetic wave signal to be converted to radiation beam, and to external radiation.
Here, antenna feed is located at the centre of sphere for lens of turning back, and the electromagnetic wave signal directive launched is turned back in lens.Electricity
Magnetostatic wave signal passes through the hemisphere face that refracts to for lens of turning back, then is converted to needs by least two lens array elements of lens array
Radiation beam, such as collimated beam of sound, and to external radiation.
In other embodiments, turn back lens each layer of medium be the semielliptical shape with different geometric parameter；Wherein,
Geometric parameter includes sphere center position, minor axis radius, major axis radius and thickness of semielliptical shape etc., determines the several of each layer of medium
What structure.Electromagnetic wave signal transmits in each layer of medium, reflects when into another layer of medium.Accordingly, it is determined that each layer
After the dielectric constant of the geometry of medium and each layer of medium, so that it may determine the signal path of electromagnetic wave signal.
In other embodiments, the electromagnetic wave of antenna feed transmitting is spherical wave signal.Spherical wave signal is by turning back
After the refraction of mirror, each lens array element that Multi-path electricity magnetostatic wave signal reaches lens array is formed, lens array element is by electromagnetic wave signal
Be converted to collimated beam of sound, and to external radiation.
In other embodiments, switch is equipped at each lens array element, for opening or closing lens array element.When one thoroughly
When the switch of mirror array element is opened, electromagnetic wave signal can be radiated outward by the lens array element；When the switch is closed, electromagnetic wave is believed
It number can not be radiated outward by the lens array element.Certain opening time and frequency are set, each lens array of lens array is made
Member successively opens or closes, it will be able to the scanning of wave beam is realized, successively to the radiation beam of external radiation different directions.
The embodiment of the present application provides a kind of lens antenna, which includes: antenna feed, turn back lens and lens array
Column.
Antenna feed, for lens electromagnetic signals of turning back；
Lens array includes at least two lens array elements, is distributed on the surface of emission for lens of turning back；
It turns back lens, for electromagnetic wave signal to be refracted to each lens array element on the surface of emission；
Each lens array element, for the electromagnetic wave signal to be converted to radiation beam, and to external radiation；
Antenna feed is also used to receive electromagnetic wave signal；
Lens array is also used to the electromagnetic wave signal received from the external world refracting to lens of turning back；
It turns back lens, is also used to electromagnetic wave signal refracting to antenna feed from the surface of emission.
Here, lens antenna is applied not only to outwardly electromagnetic signals, is also used to receive extraneous electromagnetic wave signal.
When lens antenna receives extraneous electromagnetic wave signal, the transmission path of electromagnetic wave signal is opposite with transmission path when transmitting.
Extraneous electromagnetic wave signal is received by lens array, and refracts to lens of turning back；It is transmitted using the signal path for lens of turning back
To antenna feed, finally received by antenna feed.Since lens array has multiple lens array elements, not Tongfang can be received respectively
To the electromagnetic wave signal in source, therefore, also only need an antenna feed that can receive as receiving end from multiple here
The electromagnetic wave signal in direction.
The embodiment of the present application provides a kind of lens antenna, which includes: lens array, turn back lens and antenna feed
Source.
Lens antenna is a kind of fly's-eye lens antenna using bionic compound eyes structure, mainly by up of three-layer: innermost layer
Antenna feed, lens of followed by turning back, outermost lens array, the signal of antenna feed transmitting is by lens refraction of turning back
Afterwards, the focal point for reaching each lens array element in lens array converts the signal into plane wave further according to lens principle, is formed
Multiple beam signals realize wide angular domain covering.
Antenna feed is for emitting or receiving electromagnetic wave signal.
Lens of turning back mainly realize the wide angular domain of electromagnetic wave.Electromagnetic wave has duality principle, in the process of its transmission
In, when by the different medium of dielectric constant, it may occur that refraction effect.It is thick by the dielectric constant and geometry of every layer of medium of setting
The refraction that the electromagnetic wave signal that feed issues passes through multilayer dielectricity is transferred to the focal point of each lens array element, is formed more by degree
A access.Since lens array element is different relative to the angle of antenna feed, for the signal of each access, by every layer of medium
Incidence angle be also different, so the thickness of every layer of medium is non-uniform, and there are many dielectric constant and geometries
Combination.For single channel, due to bore very little.Therefore signal of the prism by antenna feed of turning back can be regarded as, effectively
Improve marginal signal strength, enable the system to reach biggish covering angular domain.
Electromagnetic wave signal (spherical wave or the cylinder for the diverging that each lens array element of lens array issues antenna feed
Wave) it is changed into plane wave, to reach convergence effect, as shown in figure 4, this process, institute may be implemented there are many lens arrangement
With lens array element can be using one kind of many lens arrangements in Fig. 4, it is also possible to the combination of a variety of lens arrangements.Work as antenna
The electromagnetic wave signal that feed issues reaches the focal point of each lens array element of lens array by the multiple accesses of lens forming of turning back
When, electromagnetic wave signal can be converted into plain wave emissions and gone out by lens array element.
Lens antenna provided by the embodiment of the present application is resolved into the electromagnetic wave signal that feed emits using lens are turned back
Multiple channel signals radiate again per feed of the signal as lens antenna array element all the way, realize multi-beam.It compares
Traditional lens antenna increases covering angular domain, and does not need to increase the quantity of feed.It, can will be electric using lens of turning back
Magnetostatic wave signal converges to the focal point of each lens array element, avoids the generation of minor lobe.When increasing switch at lens array element,
Each signal path can be made to work independently, realize beam scanning function.
In other embodiments, switch can be added in each lens array element, advised according to preset sequence or time
It then successively opens, then can control whether each bay is transmitted, realize the scanning of wave beam.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text mean it is related with embodiment
A particular feature, structure, or characteristic includes at least one embodiment of the utility model.Therefore, go out everywhere in the whole instruction
Existing " in one embodiment " or " in one embodiment " not necessarily refers to identical embodiment.In addition, these are specific special
Sign, structure or characteristic can combine in any suitable manner in one or more embodiments.It should be understood that in the utility model
In various embodiments, magnitude of the sequence numbers of the above procedures are not meant that the order of the execution order, and each process executes sequence
It should be determined by its function and internal logic, the implementation process without coping with the embodiment of the present application constitutes any restriction.This above-mentioned Shen
Please embodiment sequence number it is for illustration only, do not represent the advantages or disadvantages of the embodiments.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.Apparatus embodiments described above are merely indicative, for example, the division of the unit, only
A kind of logical function partition, there may be another division manner in actual implementation, such as: multiple units or components can combine, or
It is desirably integrated into another system, or some features can be ignored or not executed.In addition, shown or discussed each composition portion
Mutual coupling or direct-coupling or communication connection is divided to can be through some interfaces, the INDIRECT COUPLING of equipment or unit
Or communication connection, it can be electrical, mechanical or other forms.
Above-mentioned unit as illustrated by the separation member, which can be or may not be, to be physically separated, aobvious as unit
The component shown can be or may not be physical unit；Both it can be located in one place, and may be distributed over multiple network lists
In member；Some or all of units can be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
In addition, each functional unit in various embodiments of the utility model can be fully integrated in one processing unit,
It is also possible to each unit individually as a unit, can also be integrated in one unit with two or more units；
Above-mentioned integrated unit both can take the form of hardware realization, can also add the form of SFU software functional unit real using hardware
It is existing.
The above, only the embodiments of the present invention, but protection scope of the utility model is not limited thereto,
Anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation or replace
It changes, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be wanted with the right
Subject to the protection scope asked.
Claims (10)
1. a kind of lens antenna, which is characterized in that the lens antenna includes: antenna feed, turn back lens and lens array；
The antenna feed, for the lens electromagnetic signals of turning back；
The lens array includes at least two lens array elements, is distributed on the surface of emission of the lens of turning back；
The lens of turning back, for the electromagnetic wave signal to be refracted to each lens array element on the surface of emission；
Each lens array element, for the electromagnetic wave signal to be converted to radiation beam, and to external radiation.
2. lens antenna according to claim 1, which is characterized in that the lens of turning back include arrange from inside to outside to
Few two layers of medium, wherein be located at the medium of internal layer positioned at the media packs of outer layer, make the electromagnetic wave signal by the antenna feed
Source penetrates each layer medium；
At least two layers of medium makes the electromagnetic wave signal be divided at least two-way letter for providing at least two signal paths
Number, and refract to from the antenna feed focal point of each lens array element on the surface of emission.
3. lens antenna according to claim 2, which is characterized in that at least two layers of medium is respectively provided with preset Jie
Electric constant and different geometric parameters；Wherein, the dielectric constant of adjacent two layers medium is different.
4. lens antenna according to claim 3, which is characterized in that each lens array element is convex lens or recessed
Mirror；
The convex lens or concavees lens per electromagnetic wave signal all the way for that will be respectively converted into collimated beam of sound, and to external radiation.
5. lens antenna according to claim 4, which is characterized in that the focus of each lens array element is located at the folding
Turn on the surface of emission of lens.
6. lens antenna according to any one of claims 1 to 5, which is characterized in that the lens of turning back are hemispherical, institute
Antenna feed is stated to be located at the centre of sphere of the lens of turning back；The lens array element is distributed on the hemisphere face of the lens of turning back.
7. lens antenna according to claim 6, which is characterized in that each layer of medium of the lens of turning back is with not
With the semielliptical shape of geometric parameter；The geometric parameter includes the sphere center position of the semielliptical shape, minor axis radius, major axis radius
And thickness.
8. lens antenna according to any one of claims 1 to 5, which is characterized in that the electromagnetism of the antenna feed transmitting
Wave signal is spherical wave signal.
9. lens antenna according to any one of claims 1 to 5, which is characterized in that the antenna feed is also used to receive
Electromagnetic wave signal；
The lens array is also used to refracting to the electromagnetic wave signal received from the external world into the lens of turning back；
The lens of turning back are also used to the electromagnetic wave signal refracting to the antenna feed from the surface of emission.
10. lens antenna according to any one of claims 1 to 5, which is characterized in that be equipped at each lens array element
Switch, for opening or closing the lens array element.
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| CN111244641A (en) * | 2020-04-26 | 2020-06-05 | 成都新光微波工程有限责任公司 | Be applied to low frequency channel 5G dominant MIMO luneberg lens antenna |
| CN111900545A (en) * | 2020-08-16 | 2020-11-06 | 西安电子科技大学 | High-directionality plano-concave lens containing ENZ metamaterial sandwich layer with non-uniform thickness |
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| WO2021088637A1 (en) * | 2019-11-05 | 2021-05-14 | Oppo广东移动通信有限公司 | Antenna array and electronic device |
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| CN113363731B (en) * | 2021-06-03 | 2022-04-12 | 中国电子科技集团公司第二十九研究所 | Low-profile and low-loss Rotman lens |
| CN114336078A (en) * | 2021-12-09 | 2022-04-12 | 重庆文理学院 | Special-shaped luneberg lens with high dielectric constant |
| CN114254504A (en) * | 2021-12-17 | 2022-03-29 | 广州极飞科技股份有限公司 | Method and device for determining production parameters of antenna lens and computer equipment |
| US11888580B2 (en) * | 2022-03-28 | 2024-01-30 | United States Of America As Represented By The Secretary Of The Navy | Near-omnidirectional optical communication system |
| CN116914438A (en) * | 2023-05-24 | 2023-10-20 | 广东福顺天际通信有限公司 | Deformable lens and antenna with deflectable beam direction |
| CN116914438B (en) * | 2023-05-24 | 2024-05-31 | 广东福顺天际通信有限公司 | Deformable lens and antenna with deflectable beam direction |
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