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 PDF

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Publication number
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
polarization
tilt angle
parasitic patch
circle
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CN201710683080.9A
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CN107749519B (en
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胥畅
王正鹏
武建华
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Beihang University
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Beihang University
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/24Polarising devices; Polarisation filters 
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38Structural 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

Linear polarization polarization tilt angle continuously adjustabe circle parasitic patch antenna based on liquid metal
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)

  1. 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. 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. 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. 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. 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. 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. 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. 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. 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.
CN201710683080.9A 2017-08-08 2017-08-08 Circular parasitic patch antenna with continuously adjustable linear polarization inclination angle based on liquid metal Active CN107749519B (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120171485A1 (en) * 2010-12-29 2012-07-05 Syscom Advanced Materials, Inc. Metal and metallized fiber hybrid wire
CN102760941A (en) * 2011-04-29 2012-10-31 深圳光启高等理工研究院 Metamaterial radio frequency antenna with multiple layers of substrates and making method thereof
US20130176177A1 (en) * 2012-01-09 2013-07-11 Utah State University Reconfigurable antennas utilizing parasitic pixel layers
CN105186116A (en) * 2015-07-16 2015-12-23 广东顺德中山大学卡内基梅隆大学国际联合研究院 Wideband monopole microstrip antenna

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120171485A1 (en) * 2010-12-29 2012-07-05 Syscom Advanced Materials, Inc. Metal and metallized fiber hybrid wire
CN102760941A (en) * 2011-04-29 2012-10-31 深圳光启高等理工研究院 Metamaterial radio frequency antenna with multiple layers of substrates and making method thereof
US20130176177A1 (en) * 2012-01-09 2013-07-11 Utah State University Reconfigurable antennas utilizing parasitic pixel layers
CN105186116A (en) * 2015-07-16 2015-12-23 广东顺德中山大学卡内基梅隆大学国际联合研究院 Wideband monopole microstrip antenna

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
CHANG XU ET AL.: "Parasitic circular patch antenna with continuously tunable linear polarization using liquid metal alloy", 《MICROW OPT TECHNOL LETT》 *
HONG PAN: "LIQUID METAL RECONFIGURABLE ANTENNAS", 《MASTER OF SCIENCE》 *
KA MING MAK ET AL.: "Polarization Reconfigurable Circular Patch Antenna With a C-Shaped", 《IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION》 *
周芸 等: "一种液态金属锥形螺旋天线的仿真研究", 《***仿真学报》 *

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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