CN107749519A - Linear polarization polarization tilt angle continuously adjustabe circle parasitic patch antenna based on liquid metal - Google Patents
Linear polarization polarization tilt angle continuously adjustabe circle parasitic patch antenna based on liquid metal Download PDFInfo
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- CN107749519A CN107749519A CN201710683080.9A CN201710683080A CN107749519A CN 107749519 A CN107749519 A CN 107749519A CN 201710683080 A CN201710683080 A CN 201710683080A CN 107749519 A CN107749519 A CN 107749519A
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- liquid metal
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- tilt angle
- parasitic patch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/24—Polarising devices; Polarisation filters
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention relates to a kind of linear polarization polarization tilt angle continuously adjustabe circle parasitic patch antenna based on liquid metal, including iknsulating liquid and conductive liquid metal bar (9) in metal floor (1), medium substrate (2), radiation patch (3), dielectric support structure (4), liquid metal fluid channel (5), director (6), coaxial cable sub-miniature A connector (7), liquid metal entrance (8) and liquid metal fluid channel (5)；Wherein, feed probes can use the half firm coaxial cable that standard sub-miniature A connector or sub-miniature A connector connect, the method that antenna uses apex drive；Radiation patch (3) is made up of circular primary radiation paster (3a) and annular parasitic patch (3b), by optimizing its physical dimension, can encourage preferable radiation mode, and then obtain good matching performance and antenna pattern；Liquid metal runner (5) is made up of the annulus between primary radiation paster (3a) and parasitic patch (3b) and dielectric support structure (4)；Linear polarization polarization tilt angle is determined by the center of regular length liquid metal bar in liquid metal runner (5).
Description
Technical field
The present invention relates to reconfigurable antenna technical field, and in particular to a kind of linear polarization polarization tilt angle based on liquid metal
Continuously adjustabe circle parasitic patch antenna.
Background technology
With the high speed development of wireless communication technology, communication system shows the multifunctional characteristics such as multiband, multipolarization, is
Capacity requirement of uniting is increasing so that the quantity of required antenna increases therewith, and this characteristic and cost to system is totally unfavorable
, therefore very high requirement is proposed to Antenna Design.The realization of reconfigurable antenna is the effective ways for solving problems.Polarization
Reconfigurable antenna can realize the change of polarized state on the premise of number of antennas is not increased, and can so effectively eliminate communication
The influence of system multipath fading, improves the performance of communication system, has also reached the purpose for saving energy.In addition, for antenna
The low requirement of small volume, light weight, cost causes paster antenna to become the focus of research.At present to polarization restructural paster day
The design studies of line have a lot, wherein have the restructural by adding or controlling the method for perturbation member to realize polarized state, including
Fluting of relevant position etc. in the corner cut of paster or ground；Also use multiport feed method.This type antenna is most of
It is to be controlled based on PIN diode, by changing the distribution of surface current or changing feed structure, so as to realizing cutting for polarization
Change.This method seems the advantage of oneself, for example governing speed is fast, cost is low etc., but linear characteristic can not be guaranteed,
Number of electronic devices is relatively more, and the regulation simultaneously for relatively more polarized states also needs to increasingly complex biasing circuit.Separately
Outside, the polarization restructural paster antenna realized is controlled to realize the switching between polarized state with PIN diode, it is impossible to continuous
Regulation.Therefore a kind of more efficient way is needed to realize polarization restructural.
2015, Satish K.Sharma et al. have studied the circular patch antenna of polarization restructural, and antenna uses two
Four varactors are employed between feed port and circular patch and donut, diode passes through a feeding network
Control.And then the switching of realization state.Two diodes are divided into one group, when a port is fed, difference group
Two diodes can provide horizontal and vertical polarization respectively；By being had using four varactors and two feed ports simultaneously
When having+- 90 degree phase shift, left/right hand circular polarization is realized.Although this antenna can realize polarization reconfigurable design, can only be several
Switch under kind polarized state, it is impossible to realize continuously adjusting for polarization.And need complicated control circuit and more electronics
Device and duplex feeding port.When the polarized state for needing to realize is more, feeding network can be more complicated.
Therefore, design a kind of polarization continuously adjustabe and do not need the antenna of biasing circuit to have important practical significance.
The content of the invention
The present invention proposes a kind of linear polarization polarization tilt angle continuously adjustabe circle parasitic patch antenna based on liquid metal,
The antenna does not need applied bias circuit, and the continuously adjustabe that polarizes, small volume, light weight, low cost, realizes simple.
The technical solution adopted by the present invention is：A kind of linear polarization polarization tilt angle continuously adjustabe circle based on liquid metal is posted
Raw paster antenna, including a metal floor, a medium substrate, a radiation patch, a dielectric support structure, one
Liquid metal fluid channel, a director, coaxial cable sub-miniature A connector and iknsulating liquid and conduction in liquid metal fluid channel
Liquid metal bar；Radiation patch includes circular primary radiation paster and annular parasitic patch, between have the wide annulus of 1mm, absolutely
Edge support structure is Nian Jie with the radiation patch of lower section by glue, and dielectric support structure is carved with annular channel, with circle master
Annulus between radiation patch and annular parasitic patch forms the fluid channel of liquid metal；Liquid metal passes through liquid metal
Entrance is flowed into fluid channel, due to the symmetry of polarization, it is only necessary to fixed liquid metal bar in the semi-circumference of fluid channel
Regulation, with regard to polarization tilt angle consecutive variations in the range of 360 ° can be made；The inner wire of coaxial cable passes through medium substrate and primary radiation
Paster is connected, and outer conductor connects with metal floor, using apex drive；There is a circular sky dielectric support structure center section
Gap, it is easy to the welding of coaxial inner conductor and primary radiation paster；It is a metal director above dielectric support structure.
Wherein, in described radiation patch, circular primary radiation paster is circle, and a diameter of working frequency corresponds to free space
The 1/8~1/7 of wavelength；Parasitic patch is annulus, and interior diameter is the 1/6~1/5 of corresponding free space wavelength, and overall diameter is corresponding
The 1/3~1/2 of free space wavelength.
Wherein, in described medium substrate, using typical pcb board material, circle is shaped as, diameter is corresponding free space
The 1/2~1 of wavelength.
Wherein, described metal floor is circle, and material is copper, and diameter is identical with medium substrate, and it is corresponding that diameter, which is,
The 1/2~1 of free space wavelength.
Wherein, in described dielectric support structure, the annular channel that is carved with, liquid metal fluid channel is by medium substrate
The annular channel structure in annulus and dielectric support structure between the circular primary radiation paster in face and annular parasitic patch
Into.The cross sectional shape of liquid metal fluid channel can be rectangle, semicircle, half elliptic etc..The section of liquid metal fluid channel
Area is 0.2mm2~4mm2Between.Dielectric support structure diameter corresponds to the 1/4~1/3 of free space wavelength.
Wherein, the liquid metal bar of regular length is filled in described liquid metal runner, length is about runner girth
1/6, while in liquid metal bar both sides filling liquid insulating materials, linear polarization polarization tilt angle is by regular length liquid metal bar
Center determines.
Wherein, described director, material are copper, a diameter of 21.4, thickness 1mm.
Wherein, described dielectric support structure can be the insulation such as acrylic, lucite, glass, polytetrafluoroethylene (PTFE)
Material.
Wherein, in described fluid channel, liquid insulating material can be that the liquid dielectric performances such as liquid polytetrafluoroethylene are good
Good material.
The principle of the present invention is：
The present invention is a kind of linear polarization polarization tilt angle continuously adjustabe circle parasitic patch antenna based on liquid metal, is passed through
The liquid metal bar position in fluid channel is adjusted, makes circular primary radiation paster 3a and annular parasitic patch 3b in radiation patch 3
Location of short circuit changes, and because the structure of radiation patch 3 changes, the direction of surface current can also change therewith, therefore
Change the polarised direction of linear polarization.Antenna structure includes metal floor 1, medium substrate 2, radiation patch 3, dielectric support knot
Iknsulating liquid in structure 4, liquid metal fluid channel 5, director 6, coaxial cable sub-miniature A connector 7 and liquid metal fluid channel 5 and
Conductive liquid metal bar.Radiation patch uses circular primary radiation paster and donut parasitic patch, between gap use
1mm, when slit width reduces, the resonant frequency for influenceing antenna is moved to low frequency.Pointed to improve antenna radiation pattern, choose and close
The radiation patch size of reason, it is correspond to free space wavelength 1/3~1/2 to make parasitic patch overall diameter, and primary radiation paster is straight
Footpath corresponds to 1/8~1/7 that working frequency corresponds to free space wavelength, antenna excitation has been played good pattern.Meanwhile work as paster
When becoming large-sized, surface current path is elongated, and resonant frequency will move to low frequency.In order to obtain more preferable impedance matching performance,
In the top of antenna introducing director, size increase, resonant frequency is to low frequency offset, when size differs 1mm with parasitic patch
During left and right, matching performance has optimal value, in addition, director can also influence frequency deviation apart from the height of radiation patch, when height increases
When, its resonant frequency will be to high frequency offset.The size of liquid metal bar is 1/6 or so of runner girth, is so easy to adjust
To more polarization tilt angles.
The present invention compared with prior art the advantages of be：
(1), the present invention introduces liquid metal, by continuously adjusting to meet the requirement of communication system multipolarization function
Liquid metal is saved, realizes the continuously adjustabe of linear polarized antenna polarization tilt angle, this can only be realized with existing polarization reconfigurable antenna
Polarized state switching, which is compared, obvious advantage.
(2), the present invention is by introducing liquid metal, it is not necessary to the number of many electronic devices and complicated feeding network
It can be achieved with the performance of polarization restructural.Existing polarization Reconfiguration Technologies are required for greatly by diode and complicated biased electrical
Realize polarization restructural in road.
Brief description of the drawings
Fig. 1 shows for a kind of linear polarization polarization tilt angle continuously adjustabe patch-antenna structure side view based on liquid metal of the present invention
It is intended to；
Fig. 2 is radiation patch and medium plate structure schematic diagram in this antenna structure；
Fig. 3 is dielectric support material structure schematic diagram in this antenna structure；
Reference implication wherein in figure is：1 is metal floor, and 2 be medium substrate, and 3 be radiation patch, and 3a is circle
Primary radiation paster, 3b are annular parasitic patch, and 4 be dielectric support structure, and 5 be liquid metal fluid channel, and 6 be director, and 7 are
Coaxial cable sub-miniature A connector, 8 be liquid metal entrance, and 9 be liquid metal bar.
Embodiment
The design of the present invention is as follows：The present invention is according to the preferable antenna pattern of paster antenna and matching performance, by right
After radiation patch size is rationally designed so that antenna excitation plays good pattern, and radiation side of good performance is obtained for this
Xiang Tu.Then the parameters such as gap between primary radiation paster and parasitic patch, the height of director and size are have adjusted, specify that
Influence of these parameters to resonant frequency, by the optimization design to univers parameter, it is set to ensure the premise of directional diagram performance
Under, there is good matching performance, while design makes resonance frequency shift in the working frequency range expected.
According to the design of foregoing invention, the present invention adopts the following technical scheme that：
A kind of linear polarization polarization tilt angle continuously adjustabe circle parasitic patch antenna based on liquid metal, described antenna bag
Include metal floor 1, medium substrate 2, radiation patch 3, dielectric support structure 4, liquid metal fluid channel 5, director 6, coaxial
Cable sub-miniature A connector 7, liquid metal entrance 8 and iknsulating liquid and conductive liquid metal bar 9 in liquid metal fluid channel 5；Spoke
Penetrating paster 3 includes circular primary radiation paster 3a and annular parasitic patch 3b, between have the wide annulus of 1mm, dielectric support
Structure 4 is be bonded with the radiation patch 3 of lower section by glue, and dielectric support structure 4 is carved with annular channel, is pasted with circular primary radiation
Annulus between piece 3a and annular parasitic patch 3b forms the fluid channel of liquid metal；Liquid metal is entered by liquid metal
Mouth is flowed into fluid channel, due to the symmetry of polarization, it is only necessary to which fixed liquid metal bar is adjusted in the semi-circumference of fluid channel
Section, with regard to that can make polarization tilt angle consecutive variations in the range of 360 °, the polarised direction of linear polarization parallel to the center of radiation patch 3 and is led
The line at the electro-hydraulic center of state bonding jumper 9；The inner wire of coaxial cable is connected through dielectric-slab 2 with primary radiation paster 3a, outer conductor
Connect with metal floor 1, using apex drive；There is a circular void center section of dielectric support structure 4, is easy to coaxial line
The welding of inner wire and primary radiation paster 3a；The top of dielectric support structure 4 is a metal director.
In described radiation patch 3, circular primary radiation paster 3a is shaped as circle, and a diameter of working frequency is corresponding freely empty
Between wavelength 1/8~1/7；Annular parasitic patch 3b is annulus, and interior diameter is the 1/6~1/5 of corresponding free space wavelength, outer straight
Footpath is the 1/3~1/2 of corresponding free space wavelength.
In described medium substrate 2, using typical pcb board material, circle is shaped as, diameter is corresponding free space wavelength
1/2~1.
Described metal floor 1 is circle, and material is copper, and diameter is identical with medium substrate 2, and it is corresponding free that diameter, which is,
The 1/2~1 of space wavelength.
In described dielectric support structure 4, the annular channel that is carved with, liquid metal fluid channel 5 by medium substrate 2 above
Circular primary radiation paster 3a and annular parasitic patch 3b between annulus and dielectric support structure 4 in annular channel
Form, the cross sectional shape of liquid metal fluid channel 5 can be rectangle, semicircle or half elliptic, and liquid metal fluid channel 5 is cut
Face area is 0.2mm2~4mm2Between, dielectric support structure diameter corresponds to the 1/4~1/3 of free space wavelength.
The liquid metal bar of regular length is filled in liquid metal fluid channel 5, length is about the 1/6 of runner girth, simultaneously
In liquid metal bar both sides filling liquid insulating materials, linear polarization polarization tilt angle by regular length liquid metal bar center
Determine.
Described director 6, material are copper, a diameter of 21.4, thickness 1mm.
Dielectric support structure 4 can be acrylic, lucite, glass, Teflom Insulation Material.
Liquid insulating material in fluid channel can be liquid polytetrafluoroethylene liquid dielectric material of good performance.
Specific embodiment：
The working frequency of antenna clear and definite first, resonant frequency are mainly determined by parasitic patch outside dimension, are free space
The 1/3~1/2 of wavelength, corresponding institute selected frequency 5.2GHz, paster external diameter selection 23mm, antenna primary radiation paster diameter design is work
Working frequency corresponds to the 1/8~1/7 of free space wavelength, by optimizing final choice 8mm.Paster thickness is 0.018mm.
Dielectric support structure is acrylic, a diameter of 16mm, high 3mm, is carved with the annular channel that wide and height is 1mm,
Annulus between the primary radiation paster above medium substrate and parasitic patch forms liquid metal fluid channel.
Liquid metal bar length is about the 1/6 of annular fluid channel girth, both sides filling liquid insulating materials liquid polytetrafluoro
Ethene.
It is a metal director above dielectric support structure, material is copper, and diameter corresponds to free space wavelength
1/3~1/2 is 21.4, thickness 1mm.Director mainly improves the antenna pattern performance and matching performance of antenna, passes through
Optimize the size of director and radiation patch, preferable radiation mode can have been encouraged, antenna is operated in well needed for us
The frequency wanted.
Medium substrate uses RO4350B, and diameter is 40mm, and about a wavelength ratio is more reasonable, thickness selection 60mil.
A kind of linear polarization polarization tilt angle continuously adjustabe paster antenna based on liquid metal of the present invention, the antenna lead to
The center of the liquid metal bar in fluid channel is overregulated, linear polarization polarization tilt angle is realized and continuously adjusts, it is so great
Avoid energy loss.And the electronic devices such as PIN diode and complicated feeding network need not be introduced.It can be used as array
Unit, realize any form of polarized state.
Claims (9)
- A kind of 1. linear polarization polarization tilt angle continuously adjustabe circle parasitic patch antenna based on liquid metal, it is characterised in that：Institute It is micro- that the antenna stated includes metal floor (1), medium substrate (2), radiation patch (3), dielectric support structure (4), liquid metal In runner (5), director (6), coaxial cable sub-miniature A connector (7), liquid metal entrance (8) and liquid metal fluid channel (5) Iknsulating liquid and conductive liquid metal bar (9)；Radiation patch (3) includes circular primary radiation paster (3a) and annular parasitic patch (3b), between have the wide annulus of 1mm, dielectric support structure (4) is Nian Jie with the radiation patch (3) of lower section by glue, Dielectric support structure (4) is carved with annular channel, with the ring between circular primary radiation paster (3a) and annular parasitic patch (3b) Shape gap forms the fluid channel of liquid metal；Liquid metal is flowed into fluid channel by liquid metal entrance, due to pair of polarization Title property, it is only necessary to adjusted to fixed liquid metal bar in the semi-circumference of fluid channel, with regard to polarization tilt angle can be made in 360 ° of scopes Interior consecutive variations, the company of the polarised direction of linear polarization parallel to radiation patch (3) center and conductive liquid metal bar (9) center Line；The inner wire of coaxial cable is connected through medium substrate (2) with primary radiation paster (3a), outer conductor and metal floor (1) phase Connect, using apex drive；There is a circular void dielectric support structure (4) center section, is easy to coaxial inner conductor and master The welding of radiation patch (3a)；It is a metal director above dielectric support structure (4).
- 2. the linear polarization polarization tilt angle continuously adjustabe circle parasitic patch day according to claim 1 based on liquid metal Line, it is characterised in that：In described radiation patch (3), circular primary radiation paster (3a) is circle, and a diameter of working frequency is corresponding The 1/8~1/7 of free space wavelength；Annular parasitic patch (3b) is annulus, interior diameter be corresponding free space wavelength 1/6~ 1/5, overall diameter is the 1/3~1/2 of corresponding free space wavelength.
- 3. the linear polarization polarization tilt angle continuously adjustabe circle parasitic patch day according to claim 1 based on liquid metal Line, it is characterised in that：In described medium substrate (2), using typical pcb board material, circle is shaped as, diameter is corresponding free The 1/2~1 of space wavelength.
- 4. the linear polarization polarization tilt angle continuously adjustabe circle parasitic patch day according to claim 1 based on liquid metal Line, it is characterised in that：Described metal floor (1) is circle, and material is copper, and diameter is identical with medium substrate (2), and diameter is It is the 1/2~1 of corresponding free space wavelength.
- 5. the linear polarization polarization tilt angle continuously adjustabe circle parasitic patch day according to claim 1 based on liquid metal Line, it is characterised in that：In described dielectric support structure (4), the annular channel that is carved with, liquid metal fluid channel (5) is by being situated between Annulus and dielectric support between matter substrate (2) circular primary radiation paster (3a) above and annular parasitic patch (3b) Annular channel in structure (4) is formed, and the cross sectional shape of liquid metal fluid channel (5) can be rectangle, semicircle or semiellipse Shape, the area of section of liquid metal fluid channel (5) is 0.2mm2~4mm2Between, dielectric support structure diameter is corresponding freely empty Between wavelength 1/4~1/3.
- 6. the linear polarization polarization tilt angle continuously adjustabe circle parasitic patch day according to claim 1 based on liquid metal Line, it is characterised in that：The liquid metal bar of filling regular length in liquid metal fluid channel (5), length is about runner girth 1/6, while in liquid metal bar both sides filling liquid insulating materials, linear polarization polarization tilt angle is by regular length liquid metal bar Center determines.
- 7. the linear polarization polarization tilt angle continuously adjustabe circle parasitic patch day according to claim 1 based on liquid metal Line, it is characterised in that described director (6), material is copper, a diameter of 21.4, thickness 1mm.
- 8. the linear polarization polarization tilt angle continuously adjustabe circle parasitic patch day according to claim 1 based on liquid metal Line, it is characterised in that：Dielectric support structure (4) can be acrylic, lucite, glass, Teflom Insulation Material.
- 9. the linear polarization polarization tilt angle continuously adjustabe circle parasitic patch day according to claim 1 based on liquid metal Line, it is characterised in that：Liquid insulating material in fluid channel can be that liquid polytetrafluoroethylene liquid dielectric is of good performance Material.
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| CN201710683080.9A CN107749519B (en) | 2017-08-08 | 2017-08-08 | Circular parasitic patch antenna with continuously adjustable linear polarization inclination angle based on liquid metal |
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| CN201710683080.9A CN107749519B (en) | 2017-08-08 | 2017-08-08 | Circular parasitic patch antenna with continuously adjustable linear polarization inclination angle based on liquid metal |
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Cited By (9)
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| CN109638426A (en) * | 2018-11-19 | 2019-04-16 | 南京邮电大学 | A kind of circular polarized antenna based on gravitational field regulation liquid metal |
| CN109888493A (en) * | 2019-03-11 | 2019-06-14 | 南京理工大学 | A kind of single-frequency beam scanning antennas based on liquid metal |
| CN111262017A (en) * | 2020-01-15 | 2020-06-09 | 大连海事大学 | Broad axial ratio beam antenna for inhibiting backward cross polarization |
| CN112448159A (en) * | 2020-11-23 | 2021-03-05 | 京东方科技集团股份有限公司 | Display module, display device and manufacturing method |
| CN113972480A (en) * | 2021-10-25 | 2022-01-25 | 电子科技大学 | Liquid metal reconfigurable array antenna based on two-dimensional stretchable flexible cavity |
| CN116960609A (en) * | 2023-06-28 | 2023-10-27 | 南京邮电大学 | Frequency and polarization reconfigurable micro-fluidic antenna |
| CN117525878A (en) * | 2023-12-22 | 2024-02-06 | 南京邮电大学 | Frequency-reconfigurable microfluidic MIMO antenna |
| CN117673714A (en) * | 2023-11-24 | 2024-03-08 | 南京邮电大学 | Frequency and pattern reconfigurable micro-fluidic antenna |
| CN117954865A (en) * | 2024-03-26 | 2024-04-30 | 成都辰星迅联科技有限公司 | Linear circular polarization reconfigurable antenna based on liquid metal |
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|---|---|---|---|---|
| CN109638426B (en) * | 2018-11-19 | 2021-04-27 | 南京邮电大学 | Circularly polarized antenna based on gravity field regulation and control liquid metal |
| CN109638426A (en) * | 2018-11-19 | 2019-04-16 | 南京邮电大学 | A kind of circular polarized antenna based on gravitational field regulation liquid metal |
| CN109888493A (en) * | 2019-03-11 | 2019-06-14 | 南京理工大学 | A kind of single-frequency beam scanning antennas based on liquid metal |
| CN109888493B (en) * | 2019-03-11 | 2020-04-07 | 南京理工大学 | Single-frequency beam scanning antenna based on liquid metal |
| CN111262017A (en) * | 2020-01-15 | 2020-06-09 | 大连海事大学 | Broad axial ratio beam antenna for inhibiting backward cross polarization |
| CN112448159B (en) * | 2020-11-23 | 2023-08-11 | 京东方科技集团股份有限公司 | Display module, display device and manufacturing method |
| CN112448159A (en) * | 2020-11-23 | 2021-03-05 | 京东方科技集团股份有限公司 | Display module, display device and manufacturing method |
| CN113972480A (en) * | 2021-10-25 | 2022-01-25 | 电子科技大学 | Liquid metal reconfigurable array antenna based on two-dimensional stretchable flexible cavity |
| CN113972480B (en) * | 2021-10-25 | 2022-05-31 | 电子科技大学 | Liquid metal reconfigurable array antenna based on two-dimensional stretchable flexible cavity |
| CN116960609A (en) * | 2023-06-28 | 2023-10-27 | 南京邮电大学 | Frequency and polarization reconfigurable micro-fluidic antenna |
| CN117673714A (en) * | 2023-11-24 | 2024-03-08 | 南京邮电大学 | Frequency and pattern reconfigurable micro-fluidic antenna |
| CN117673714B (en) * | 2023-11-24 | 2024-06-04 | 南京邮电大学 | Frequency and pattern reconfigurable micro-fluidic antenna |
| CN117525878A (en) * | 2023-12-22 | 2024-02-06 | 南京邮电大学 | Frequency-reconfigurable microfluidic MIMO antenna |
| CN117954865A (en) * | 2024-03-26 | 2024-04-30 | 成都辰星迅联科技有限公司 | Linear circular polarization reconfigurable antenna based on liquid metal |
| CN117954865B (en) * | 2024-03-26 | 2024-06-11 | 成都辰星迅联科技有限公司 | Linear/circular polarization reconfigurable antenna based on liquid metal |
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