CN206259487U - Liquid mixing cavate controllable antenna - Google Patents
Liquid mixing cavate controllable antenna Download PDFInfo
- Publication number
- CN206259487U CN206259487U CN201621308886.7U CN201621308886U CN206259487U CN 206259487 U CN206259487 U CN 206259487U CN 201621308886 U CN201621308886 U CN 201621308886U CN 206259487 U CN206259487 U CN 206259487U
- Authority
- CN
- China
- Prior art keywords
- antenna
- inner chamber
- cavate
- liquid
- microwave
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Details Of Aerials (AREA)
Abstract
The utility model provides a kind of liquid mixing cavate controllable antenna, including hollow cavity structure antenna and the feed end that is connected with the antenna；The inner antenna is injected with liquid；The feed end includes coaxial fitting, microwave-medium substrate and the metal ground being arranged at below the microwave-medium substrate；Antenna is arranged at microwave-medium surface；The coaxial fitting is set through microwave-medium substrate and metal ground, and coaxial fitting is provided with the probe with the inner antenna fluid connection, and the antenna includes inner chamber body, outer chamber and regulation and control post；The inner chamber body is arranged on the outer chamber internal cavities, and the regulation and control post is set through the inner chamber body and outer chamber lower end through hole.The utility model structure is simplified, and by pulling regulation and control post inner chamber can be made to be connected with exocoel, and liquid height in regulation inner chamber and exocoel causes the sensing of antenna radiation pattern main lobe, the change of gain values, realizes the reconstruct of liquid distribution, changes radiation and the matching performance of antenna.
Description
Technical field
The utility model is related to communication technique field, especially, is related to a kind of liquid mixing cavate controllable antenna.
Background technology
In the prior art, common wireless system includes radar, communication, navigation etc., and its antenna is typically metal material, or
The mixed structure of metal and solid dielectric.Existing antenna mainly includes two classes：
First, liquid metal antenna, the performance boost of this antenna and technology maturity are highly dependent on liquid metal material
Research and development, its method for designing and common metal antenna are approached.Currently, room temperature liquid metal type and quantity are limited, still
In phase of basic research.
2nd, non-metal antenna, mainly using seawater, salt solution, pure water or other organic and inorganic liquid as radiant body,
Antenna structure is realized in design.By the Literature Consult of the non-metal antenna to having delivered both at home and abroad, studied at present, mainly
Including：(1) with water pumper, water pump extracting seawater, eject, form parabola, semicircle arcuation or upright single armed is whiplike shakes
Sub-antenna, is mainly used in naval vessel temporary wireless communication under marine environment；(2) part for conventional metal antennas is replaced with liquid
Structure, realizes the mixing of liquid and solid, such as liquid micro-strip paster antenna, and substrate is solid dielectric, and patch portion is replaced by dress
Liquid in plastic casing；Or, realize that liquid is loaded, to virgin metal antenna, a part of liquid structure is added, improve certain aspect
Performance；(3) static antennas of conventionally form mainly include：Liquid medium resonant antenna, liquid monopoles antenna etc..
Metal antenna weak point mainly has：The general not restructural of electric property, user can not or cannot adjust during use
Whole, weight is larger, phased array antenna restructural, but cost is high, and system complex, volume is generally also larger, is not suitable for economical small
Type system；Seawater antenna volume using water pump is big, and energy consumption is big；Certain part of traditional antenna is substituted using liquid, or
The antenna loaded to classical antenna form with liquid, its performance indications can not generally regulate and control.
Utility model content
The utility model purpose is to provide a kind of liquid mixing cavate controllable antenna, to solve existing antenna electrical resistance
Can not restructural, bulking value be big, the technical problem of high energy consumption.
To achieve the above object, the utility model provides a kind of liquid mixing cavate controllable antenna, including hollow cavity
The antenna 1 of body structure and the feed end 2 being connected with the antenna 1；Liquid is injected with inside the antenna 1；The feed end 2
Including coaxial fitting 21, microwave-medium substrate 23 and the metal being arranged at below the microwave-medium substrate 23 ground 24；It is described
Antenna 1 is arranged at the top of microwave-medium substrate 23；The coaxial fitting 21 is set through microwave-medium substrate 23 and metal ground 24,
And the coaxial fitting 21 is provided with the probe 22 connected with the internal liquid of the antenna 1.
Preferably, the antenna 1 includes inner chamber body 11, outer chamber 12 and regulation and control post 13；The inner chamber body 1 is arranged on described
The internal cavities of outer chamber 2, the regulation and control post 13 is set through the inner chamber body 11 and the lower end through hole of the outer chamber 12.
Preferably, the inner chamber body 11 and outer chamber 12 are concentric column cavity body structure.
Preferably, the probe 22 and the distance of the home position of inner chamber body 11 are 0~8mm.
Preferably, the length of the probe 22 is 1.5~4.0mm.
Preferably, the inner chamber body 11 and the material of outer chamber 12 are polytetrafluoroethylene (PTFE).
Preferably, the internal liquid of the antenna 1 is pure water and peanut oil mixture.
Preferably, the internal liquid of the antenna 1 is seawater and peanut oil mixture.
Preferably, the material of microwave-medium substrate 23 is FR-4, and dielectric constant is 4.3, and thickness is 2.2mm.
The utility model has the advantages that：
The antenna of liquid mixing cavate controllable antenna of the present utility model including hollow cavity structure and with the day
The feed end of line connection；The inner antenna is injected with liquid；The feed end include coaxial fitting, microwave-medium substrate and
It is arranged at the metal ground below the microwave-medium substrate；The antenna is arranged at microwave-medium surface；It is described coaxially to connect
Head is set through microwave-medium substrate and metal ground, and the coaxial fitting is provided with the spy with the inner antenna fluid connection
Pin, the antenna includes inner chamber body, outer chamber and regulation and control post；The inner chamber body is arranged on the outer chamber internal cavities, described
Regulation and control post is set through the inner chamber body and outer chamber lower end through hole.Can connect inner chamber and exocoel by pulling regulation and control post
Logical, liquid height in regulation inner chamber and exocoel so that resonance point and bandwidth change causes the sensing of antenna radiation pattern main lobe, gain
The change of numerical value, realizes the reconstruct of liquid distribution, changes radiation and the matching performance of antenna.
Liquid mixing cavate controllable antenna structure of the present utility model is simplified, and microwave-medium substrate can be circle,
Can be rectangular or square, its shape can on the premise of size is more than outer chamber external diameter unrestricted choice, selection it is specific
Size will influence antenna radiation performance, but can realize Net long wave radiation.
Liquid mixing cavate controllable antenna microwave medium substrate of the present utility model can use different materials, and dielectric is normal
Number can be selected between 2~100, and its thickness can be selected in the range of 0.5~10mm, and different selections will be to antenna impedance
Matching performance and operating frequency range produce influence, need to according to the actual requirements be calculated and be analyzed.
Liquid mixing cavate controllable antenna of the present utility model is according to the difference of original design, the mode of operation of this antenna
Two kinds can be divided into：Monopole state and dielectric resonance state.The antenna of monopole operation, its fluid requirements all or at least
(major solute is sodium chloride, and global ocean mean concentration is 3.5% for the liquid conduction connected with probe, such as seawater；Also include
The composition of magnesium chloride, magnesium sulfate isoconcentration below 0.5%), salt solution (sodium chloride solution, concentration range 1%-26.5% or full
With) or a part of ionic liquid.With the antenna of dielectric resonance operation, all non-conducting materials of its fluid requirements, such as
The vegetable oil such as olive oil, corn oil, peanut oil or pure water etc..
Liquid mixing cavate controllable antenna inner chamber body of the present utility model and outer chamber material can select polytetrafluoroethyl-ne
Alkene, plastics, or microwave-medium resonance material, the latter can provide more design flexibilitys.
Liquid mixing cavate controllable antenna of the present utility model can cause antenna match by changing the length of probe
Change in terms of performance and radiation directivity, probe length scope is 1mm-15mm.
In addition to objects, features and advantages described above, the utility model also has other purposes, feature and excellent
Point.Below with reference to figure, the utility model is described in further detail.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing being further understood to of the present utility model, of the present utility model
Schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model.In accompanying drawing
In：
Fig. 1 is the liquid mixing cavate controllable antenna single cavity structure schematic diagram of the utility model preferred embodiment；
Fig. 2 is the liquid mixing cavate controllable antenna double cavity structure schematic diagram of the utility model preferred embodiment；
Fig. 3 is the liquid mixing cavate controllable antenna double cavity structure top view of the utility model preferred embodiment；
Fig. 4 is that the single cavity structure of the utility model preferred embodiment is injected separately into pure water, peanut oil, peanut oil and seawater
The impedance matching property figure of mixture, four kinds of situations of seawater；
Fig. 5 is that the single cavity structure of the utility model preferred embodiment is injected separately into the mixing of peanut oil, peanut oil and pure water
Thing, peanut oil and sea water mixing thing, four kinds of antenna patterns of situation of seawater；
Fig. 6 is the double cavity structure exocoel injecting height 16mm seawater of the utility model preferred embodiment；Inner chamber injecting height
It is 5mm seawater, exocoel injecting height 11mm seawater；The seawater of inner chamber injecting height 11mm, exocoel injecting height 5mm seawater；It is interior
Four kinds of situation impedance matching property figures of seawater of 16mm height are injected in chamber (above-mentioned four kinds of situation inner chambers are marked with peanut oil)；
Fig. 7 is the double cavity structure exocoel injecting height 16mm seawater of the utility model preferred embodiment；Inner chamber injecting height
It is 5mm seawater, exocoel injecting height 11mm seawater；The seawater of inner chamber injecting height 11mm, exocoel injecting height 5mm seawater；It is interior
Four kinds of situation antenna patterns of seawater of 16mm height are injected in chamber (above-mentioned four kinds of situation inner chambers are marked with peanut oil)；
Fig. 8 is that the double cavity structure exocoel injecting height of the utility model preferred embodiment is the seawater of 5mm, and inner chamber injection is high
Spend the seawater for 11mm；Inner chamber injecting height is the seawater of 16mm；5mm height seawater is injected in inner chamber, and exocoel injection 11mm is highly
Seawater；Exocoel injects four kinds of situation antenna patterns of 16mm height seawater (above-mentioned four kinds of situation exocoels are marked with peanut oil)；
Fig. 9 is probe length respectively 1.5mm, 2.0mm, 2.8mm, 4.0mm impedance of the utility model preferred embodiment
Matching properties figure；
Figure 10 is probe length respectively 1.5mm, 2.0mm, 2.8mm, 4.0mm radiation of the utility model preferred embodiment
Directional diagram；
Figure 11 is the probe of the utility model preferred embodiment apart from anti-of inner chamber body home position 0mm, 3mm, 7mm, 8mm
With performance plot；
Figure 12 is that the probe of the utility model preferred embodiment is radiated apart from inner chamber body home position 0mm, 3mm, 7mm, 8mm
Directional diagram.
In figure：1st, antenna, 11, inner chamber body, 12, outer chamber, 13, regulation and control post, 2, feed end, 21, coaxial fitting, 22, visit
Pin, 23, microwave-medium substrate, 24, metal ground.
Specific embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, but the utility model can be according to power
Profit requires to limit and the multitude of different ways of covering is implemented.
Referring to Fig. 1, Fig. 2 and Fig. 3, liquid mixing cavate controllable antenna include the antenna 1 of hollow cavity structure and with
The feed end 2 of the connection of the antenna 1；Liquid is injected with inside the antenna 1；The feed end 2 includes coaxial fitting 21, microwave
Medium substrate 23 and the metal ground 24 being arranged at below the microwave-medium substrate 23；The antenna 1 is arranged at microwave-medium
The top of substrate 23；The coaxial fitting 21 is set through microwave-medium substrate 23 and metal ground 24, and the coaxial fitting 21 sets
There is the probe 22 connected with the internal liquid of the antenna 1, the material of microwave-medium substrate 23 is FR-4, and dielectric constant is 4.3,
Thickness is 2.2mm.
The antenna 1 includes inner chamber body 11, outer chamber 12 and regulation and control post 13；The inner chamber body 1 is arranged on the outer chamber 2
Internal cavities, the regulation and control post 13 is set through the inner chamber body 11 and the lower end through hole of the outer chamber 12.By pulling
Post 13 can be such that inner chamber is connected with exocoel, and the inner chamber is the internal cavities of inner chamber body 11, the exocoel be the inner side of outer chamber 12 with it is interior
Toroidal cavity position between the outside of cavity 11.
The inner chamber body 11 and outer chamber 12 are concentric column cavity body structure, and the inner chamber body 11 and the material of outer chamber 12
It is polytetrafluoroethylene (PTFE).The distance of the probe 22 and the home position of inner chamber body 11 is 0~8mm, the length of the probe 22 is 1.5~
4.0mm。
The internal liquid of the antenna 1 is pure water and peanut oil mixture, and under, peanut oil is in upper, composition Jie for pure water
The radiant section of matter resonant antenna, the bottom of microwave-medium substrate 23 and metal made of copper ground 24 is connected, and probe 22 is from base drive
Excitation.
In Fig. 2, Fig. 3, outer chamber 12 exradius Rdro=12mm, inner circle radius Rqo=10mm；Inner chamber body 11 cylindrical half
Footpath Rdri=8mm, inner circle radius Rqi=6mm；Outer chamber 12 and the height of inner chamber body 11 are 30mm, and 24 thickness of metal ground are
0.035mm, microwave-medium substrate 23 and metal ground 24 are that the length of side is the square of 50mm.
Detailed design and simulation calculation is carried out to the utility model liquid mixing cavate controllable antenna, is obtained various
The performance parameter of combining form, has grasped the effect tendency and situation of change of the critical physical parameter to antenna performance of correlation.With
Under illustrate hybrid antenna state and performances from single-chamber, two kinds of structures of two-chamber.
Fig. 4 is surveyed when pure water, peanut oil, peanut oil and sea water mixing thing, seawater are injected separately into Fig. 1 single cavity structures
(major solute is sodium chloride to the Antenna Impedance Matching characteristic for obtaining in seawater, and concentration is 3.5%, and magnesium chloride, sulphur are also included in seawater
Composition of the sour magnesium isoconcentration below 0.5%), characterized with reflectance factor, engineering demand is that reflectance factor is less than or equal to -10dB,
Figure 4, it is seen that when peanut oil is injected in cavity, operating frequency of antenna highest, centre frequency is 6.5GHz, inject pure
Take second place during water purification, there is 3.5GHz and 1.8 two frequency bins, it is minimum during injection seawater, be 1.7GHz, and in cavity injection peanut oil and
During the mixture of seawater, its working frequency points is 2.45GHz, in ISM (Industrial Scientific Medical) work
In industry, scientific research and the disposable frequency range of medical field.
Fig. 5 is that peanut oil, peanut oil and pure aqueous mixtures, peanut oil and seawater are injected separately into Fig. 1 single cavity structures
(major solute is sodium chloride to the radiation pattern measured when mixture, seawater in seawater, and concentration is 3.5%, in seawater also
Including the composition of magnesium chloride, magnesium sulfate isoconcentration below 0.5%), from figure 5 it can be seen that in cavity during injection pure water,
Antenna gain highest, directionality is most strong.
Fig. 6 is double cavity structure exocoel injecting height 16mm seawater；Inner chamber injecting height is 5mm seawater, exocoel injecting height
11mm seawater；The seawater of inner chamber injecting height 11mm, exocoel injecting height 5mm seawater；The seawater four of 16mm height is injected in inner chamber
(above-mentioned four kinds of situation inner chambers are marked with peanut oil to liquid mixing cavate controllable Antenna Impedance Matching performance plot, sea in the case of kind
Major solute is sodium chloride in water, and concentration is 3.5%, also includes magnesium chloride, magnesium sulfate isoconcentration below 0.5% in seawater
Composition), engineering demand is that reflectance factor is less than or equal to -10dB, from fig. 6 it can be seen that in 0~12GHz frequency ranges, four
There is the frequency range that can be worked under the state of kind, wherein, inner chamber is marked with peanut oil, and the working frequency of exocoel injecting height 16mm seawater is most
Height, is 11.2GHz；It is 5mm seawater that peanut oil and height are injected in inner chamber, and exocoel injecting height 11mm sea states take second place, highest
Frequency is 10.1GHz；The seawater of peanut oil and height 11mm is injected in inner chamber, and exocoel injecting height 5mm seawater working frequencies are minimum,
It is 3.1GHz.In the case of four kinds, working frequency all has the frequency band of certain frequency span including two or more.
Table 1 give above-mentioned four kinds in the case of corresponding frequency characteristic data, in the table, " inner chamber 16, exocoel 0 " represent
Inner chamber sea height is 16mm, and exocoel sea height is 0 (i.e. exocoel does not have seawater)；" inner chamber 11, exocoel 5 " represents inner chamber injection
Highly it is 11mm seawater, exocoel injecting height 5mm seawater；" inner chamber 5, exocoel 11 " represents the seawater of inner chamber injecting height 5mm, outward
Chamber injecting height 11mm seawater；" inner chamber 0, exocoel 16 " represents the seawater that exocoel injects 16mm height, and inner chamber does not have seawater (above-mentioned
Four kinds of situation lower inner cavities are marked with peanut oil).Resonant frequency refers to that three frequency bands of Antenna Operation are each under this kind of liquid is configured
Center frequency point.
Working frequency and bandwidth of the antenna of table 1 under different liquids distribution situation
| Liquid distribution (mm) | Resonant frequency (GHz) | Center-band frequency scope (GHz) | Center frequency-band relative bandwidth |
| Inner chamber 16, exocoel 0 | 4.21,5.07,9.15 | 4.83-5.43 | 11.70% |
| Inner chamber 11, exocoel 5 | 4.02,5.30,6.65 | 3.45-4.48 | 22.99% |
| Inner chamber 5, exocoel 11 | 5.97,7.16,9.99 | 6.78-7.53 | 10.48% |
| Inner chamber 0, exocoel 16 | 9.28,10.29,11.15 | 10.66-11.76 | 9.81% |
Fig. 7 is double cavity structure exocoel injecting height 16mm seawater；Inner chamber injecting height is 5mm seawater, exocoel injecting height
11mm seawater；The seawater of inner chamber injecting height 11mm, exocoel injecting height 5mm seawater；The seawater four of 16mm height is injected in inner chamber
(frequency is 10.29GHz) liquid mixing cavate controllable radiation pattern in the case of kind (there is peanut oil inner chamber).From figure
7 can be seen that seawater entirely in exocoel, and inner chamber does not have major lobe of directional diagram during seawater most narrow, gain highest, and seawater is complete in inner chamber,
Inner chamber does not have major lobe of directional diagram during seawater most wide, and emittance most dissipates.
Fig. 8 is that double cavity structure exocoel injecting height is the seawater of 5mm, and inner chamber injecting height is the seawater of 11mm；Note inner chamber
It is the seawater of 16mm to enter height；5mm height seawater, exocoel injection 11mm height seawater are injected in inner chamber；Exocoel injection 16mm is highly
Four kinds of situation antenna patterns of seawater (above-mentioned four kinds of situation exocoels are marked with peanut oil)；
Fig. 9 probe lengths are respectively 1.5mm, 2.0mm, 2.8mm, 4.0mm impedance matching property figure, from fig. 9, it can be seen that
Probe is shorter, and operating frequency of antenna is higher, but linearly increasing rule is not presented；Probe length is more long, and what is obtained is optimal
Reflectance factor numerical value is smaller, i.e., impedance matching property is better.
Figure 10 is probe length respectively 1.5mm, 2.0mm, 2.8mm, 4.0mm antenna pattern, probe length 4.0mm
When, gain highest.
Figure 11 is probe apart from the anti-matching properties figure of inner chamber body home position 0mm, 3mm, 7mm, 8mm, four kinds of state probes
In being respectively at the inner chamber body center of circle, inner chamber body liquid, in inner chamber body solid dielectric and inner chamber body outer wall and exocoel liquid interface
Go out, in the case of four kinds, reflectance factor difference is larger, but can obtain certain working band.
Figure 12 is probe apart from inner chamber body home position 0mm, 3mm, 7mm, 8mm antenna pattern, in the case of four kinds, antenna
Greatest irradiation direction there occurs change, the concrete numerical value of gain also difference.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (9)
1. liquid mixing cavate controllable antenna, it is characterised in that antenna (1) including hollow cavity structure and with the day
The feed end (2) of line (1) connection；
Liquid is injected with inside the antenna (1)；
The feed end (2) is including coaxial fitting (21), microwave-medium substrate (23) and is arranged at the microwave-medium substrate
(23) metal ground (24) below；The antenna (1) is arranged at microwave-medium substrate (23) top；
The coaxial fitting (21) is set through microwave-medium substrate (23) and metal ground (24), and the coaxial fitting (21) sets
There is the probe (22) connected with the antenna (1) internal liquid.
2. liquid mixing cavate controllable antenna according to claim 1, it is characterised in that the antenna (1) is including interior
Cavity (11), outer chamber (12) and regulation and control post (13)；The inner chamber body (1) is arranged on the outer chamber (2) internal cavities, described
Regulation and control post (13) are set through the inner chamber body (11) and the outer chamber (12) lower end through hole.
3. liquid mixing cavate controllable antenna according to claim 2, it is characterised in that the inner chamber body (11) and outer
Cavity (12) is concentric column cavity body structure.
4. liquid mixing cavate controllable antenna according to claim 3, it is characterised in that the probe (22) and inner chamber
The distance of body (11) home position is 0~8mm.
5. liquid mixing cavate controllable antenna according to claim 2, it is characterised in that probe (22) length is
1.5~4.0mm.
6. liquid mixing cavate controllable antenna according to claim 2, it is characterised in that the inner chamber body (11) and outer
Cavity (12) material is polytetrafluoroethylene (PTFE).
7. liquid mixing cavate controllable antenna according to claim 1, it is characterised in that the internal liquid of the antenna (1)
Body is pure water and peanut oil mixture.
8. liquid mixing cavate controllable antenna according to claim 2, it is characterised in that the internal liquid of the antenna (1)
Body is seawater and peanut oil mixture.
9. liquid mixing cavate controllable antenna according to claims 1 to 8, it is characterised in that the microwave-medium base
Plate (23) material is FR-4, and dielectric constant is 4.3, and thickness is 2.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621308886.7U CN206259487U (en) | 2016-11-29 | 2016-11-29 | Liquid mixing cavate controllable antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621308886.7U CN206259487U (en) | 2016-11-29 | 2016-11-29 | Liquid mixing cavate controllable antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206259487U true CN206259487U (en) | 2017-06-16 |
Family
ID=59026557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621308886.7U Expired - Fee Related CN206259487U (en) | 2016-11-29 | 2016-11-29 | Liquid mixing cavate controllable antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206259487U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108023184A (en) * | 2017-11-09 | 2018-05-11 | 华南理工大学 | A kind of two-tube monopole liquid antenna |
| CN114744395A (en) * | 2022-04-20 | 2022-07-12 | 湖南大学 | High-performance liquid antenna |
-
2016
- 2016-11-29 CN CN201621308886.7U patent/CN206259487U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108023184A (en) * | 2017-11-09 | 2018-05-11 | 华南理工大学 | A kind of two-tube monopole liquid antenna |
| CN114744395A (en) * | 2022-04-20 | 2022-07-12 | 湖南大学 | High-performance liquid antenna |
| CN114744395B (en) * | 2022-04-20 | 2023-03-24 | 湖南大学 | High-performance liquid antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106450705A (en) | Liquid mixing chamber type regulable antenna | |
| Ren et al. | Radiation pattern and polarization reconfigurable antenna using dielectric liquid | |
| Fayad et al. | Broadband liquid antenna | |
| Mukherjee et al. | A review of the recent advances in dielectric resonator antennas | |
| Xing et al. | A monopole water antenna | |
| Xing et al. | A high-efficiency wideband frequency-reconfigurable water antenna with a liquid control system: Usage for VHF and UHF applications | |
| CN108023184A (en) | A kind of two-tube monopole liquid antenna | |
| CN206259487U (en) | Liquid mixing cavate controllable antenna | |
| CN108023179A (en) | A kind of aqueous medium paster antenna of frequency reconfigurable | |
| CN105006634B (en) | Double layer planar phase modulation apparatus | |
| CN107785652A (en) | A kind of liquid paster antenna | |
| Hajihashemi et al. | Parametric study of novel types of dielectric resonator antennas based on fractal geometry | |
| Gangwar et al. | A modified fractal rectangular curve dielectric resonator antenna for WiMAX application | |
| Investigations of water-based liquid antennas for wireless communications | ||
| Chen et al. | Polarization Reconfigurbale Antenna with Liquid Metal | |
| CN206180080U (en) | Flexible collapsible liquid helical antenna who regulates and control | |
| Xing et al. | A wideband water antenna for WiFi applications | |
| CN107069190A (en) | The aerial array of high power low profile helical antenna and its composition | |
| CN207517889U (en) | A kind of two-tube monopole liquid antenna | |
| CN206595384U (en) | The aerial array of high power low profile helical antenna and its composition | |
| Wang et al. | A radiation pattern-reconfigurable antenna with water and anisotropic materials | |
| CN207517860U (en) | A kind of liquid paster antenna | |
| CN103036027B (en) | A kind of electromagnetic horn | |
| Modiri et al. | Characterizing a proposed sixteen-element array antenna designed for microwave imaging of breast cancer | |
| Yang et al. | Research on simulation and calculation of a novel ultra-wideband reconfigurable salt water antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170616 Termination date: 20181129 |