CN209088071U - A kind of three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna - Google Patents
A kind of three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna Download PDFInfo
- Publication number
- CN209088071U CN209088071U CN201822050454.6U CN201822050454U CN209088071U CN 209088071 U CN209088071 U CN 209088071U CN 201822050454 U CN201822050454 U CN 201822050454U CN 209088071 U CN209088071 U CN 209088071U
- Authority
- CN
- China
- Prior art keywords
- cross gap
- mirror image
- gap fractal
- fractal dipole
- image cross
- 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
Abstract
The utility model relates to a kind of three-dimensional mirror image cross gap fractal dipole ultra-wide band antennas, it is characterized by: the antenna includes three-layer thin-film matrix, it is covered in the positive mirror image cross gap fractal dipole induced radiation patch of first layer film matrix, it is covered in the positive mirror image cross gap fractal dipole feed radiation patch of second layer film matrix, it is covered in the positive mirror image cross gap fractal dipole induced radiation patch of third layer film matrix, it is covered in the barium titanate thin slice at the third layer film matrix back side, it is covered in the permalloy coating at the barium titanate thin slice back side, there is larger performance redundancy and compared with strong anti-interference ability, radianting capacity is strong, ultrabroad band radiance is reliable and stable, the second generation can be completely covered to the 5th third-generation mobile communication frequency range, radio frequency identification frequency range, ultra-wideband communications frequency range and mobile digital TV frequency range.
Description
Technical field
The utility model relates to a kind of three-dimensional mirror image cross gap fractal dipole ultra-wide band antennas.
Background technique
The integration of more net unifications, multiband compatibility and multiple terminal equipment is that the development of 21 century wireless communication technique is most important
Trend.Since the 1970s be suggested and be put into it is practical since, wireless communication technique achieves significant progress.Perhaps
More different operating principles, different operating frequency range wireless communication system come into operation successively.Currently, microwave frequency band is most important
Wireless communication frequency band, mobile communication system, radio-frequency recognition system, ultra-wideband communication system, mobile digital TV system are all works
Make in the wireless communication system of microwave frequency band, their working frequencies are close, and the requirement to terminal device is similar, have it is biggish can
Conformability.If mobile communication mobile phone, radio-frequency identification reader/writer, ultra-wideband communications terminal, mobile digital TV are integrated into micro-
Wave frequency section multi-purpose intelligent terminal, so that it may realize that the wireless communication multi-network unification of microwave frequency band is compatible with multiband.
The microwave frequency band multi-purpose intelligent terminal that integration is completed needs one kind that can be completely covered the second generation to the 5th generation to move
Dynamic communications band, radio-frequency recognition system working frequency range, radio ultra wide band system working frequency range, mobile digital TV system working frequency range,
Radianting capacity is strong, there is the ultra-wide band antenna of larger performance redundancy.China's Generation Mobile Telecommunication System frequency range used at present is GSM
0.905~0.915 GHz of standard, 0.950~0.960 GHz, 1.710~1.785 GHz, 1.805~1.880 ghz bands；
3G (Third Generation) Moblie frequency range be 1.880~1.920 GHz of TD-SCDMA standard, 2.010~2.025 GHz, 2.300~
1.920~1.980 GHz of 2.400 ghz bands and WCDMA standard, 2.110~2.170 ghz bands；Forth generation mobile communication
Frequency range is 2.570~2.620 ghz band of TD-LTE standard.There are three candidate for the 5th third-generation mobile communication that will be come into operation
Frequency range is respectively as follows: 3.300~3.400 GHz, 4.400~4.500 GHz, 4.800~4.990 GHz.Radio-frequency recognition system has
Three main working frequency range: 0.902~0.928 GHz, 2.400~2.4835 GHz, 5.725~5.875 GHz.Ultra wide band
The working frequency range of system is 3.100~10.600 GHz.Mobile digital TV system working frequency range is 11.700~12.200
GHz。
The ultra-wide band antenna of microwave frequency band multi-purpose intelligent terminal needs to be completely covered above-mentioned all working frequency range, and
Each working frequency range all has stable radiance and compared with strong anti-interference ability, is placed on energy when near microwave frequency band signal source
It is enough interference-free, it works normally.In order to achieve the goal above, thus the utility model generates.
Utility model content
In view of the deficiencies in the prior art, the technical problem to be solved by the utility model is to provide a kind of three-dimensional mirror image crosses
Gap fractal dipole ultra-wide band antenna, is not only simple in structure, and convenient and efficient.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is: a kind of three-dimensional mirror image cross gap point shape
Dipole ultra-wide band antenna, the antenna include three-layer thin-film matrix, are covered in the positive mirror image cross of first layer film matrix
Gap fractal dipole induced radiation patch is covered in the positive mirror image cross gap fractal dipole feedback of second layer film matrix
Electric radiation patch is covered in the positive mirror image cross gap fractal dipole induced radiation patch of third layer film matrix, pastes
The third layer film matrix back side barium titanate thin slice, be covered in the permalloy coating at the barium titanate thin slice back side.
Preferably, the mirror image cross gap fractal dipole induced radiation patch and mirror image cross gap fractal dipole
It is completely the same to feed radiation patch structure, is all mended by two symmetrical cross gap fractal dipole radiation arms and the mirror image of lower section
Compensation structure composition.
Preferably, the cross gap fractal dipole radiation arm by length be 1mm ± 0.1mm, width be 0.5mm ±
The feeder line of 0.01mm and cross gap Fractal Region domain composition, the size in cross gap Fractal Region domain be 12.5mm ± 0.1mm ×
12.5mm±0.1mm。
Preferably, the cross gap Fractal Region domain in the cross gap fractal dipole radiation arm uses at least 2 ranks
Cross gap fractal structure.
Preferably, the mirror compensated structure and two cross gap fractal dipole radiation arms are in mirror symmetry, mirror image
Collocation structure is 1mm ± 0.1mm at a distance from cross gap fractal dipole radiation arm.
Preferably, the symmetrical center line of two radiation arms of the mirror image cross gap fractal dipole feed radiation patch
On offer open gap, the two sides of open gap be equipped with antenna feed point.
Preferably, three-layer thin-film matrix structure is consistent, is all polyethylene terephthalate (PET) film matrix, shape
Shape is rectangle, and size is 29mm ± 0.1mm × 28mm ± 0.1mm, with a thickness of 0.2mm ± 0.02mm, relative dielectric constant 6.0
±0.1。
Preferably, the barium titanate thin slice is microwave frequency band low-loss barium titanate thin slice, and shape is rectangle, and size is
29mm ± 0.1mm × 28mm ± 0.1mm, with a thickness of 0.3mm ± 0.1mm, relative dielectric constant is 100 ± 5.
Preferably, the size of the permalloy coating is identical as the size of barium titanate thin slice, permalloy used be by
78% nickel, 21% iron, 1% niobium, tantalum, titanium, aluminium composition high rigidity high magnetic permeability permalloy；The mirror image cross crotch
Gap fractal dipole induced radiation patch and mirror image cross gap fractal dipole feed radiation patch are by graphene conductive ink
It prints.
Compared with prior art, the utility model has the following beneficial effects: there is larger performance redundancy and compared with strong anti-interference
Ability, radianting capacity is strong, and ultrabroad band radiance is reliable and stable, and the second generation can be completely covered to the 5th third-generation mobile communication frequency
Section, radio frequency identification frequency range, ultra-wideband communications frequency range and mobile digital TV frequency range.
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention
Fig. 1 is that the cross gap of the utility model embodiment divides the iteration rule schematic diagram of shape.
Fig. 2 is that mirror image cross gap fractal dipole induced radiation patch and mirror image cross gap fractal dipole feed spoke
Penetrate the structural schematic diagram of patch.
Fig. 3 is the layering cross section structure schematic diagram of antenna entirety.
Fig. 4 is the return loss (S of the utility model embodiment11) performance map.
Specific embodiment
In order to make the above-mentioned features and advantages of the utility model more obvious and understandable, special embodiment below, and cooperate attached drawing,
It is described in detail below.
As shown in Fig. 1 ~ 4, a kind of three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna, which includes three layers
Film matrix is covered in the positive mirror image cross gap fractal dipole induced radiation patch of first layer film matrix, is covered in
The positive mirror image cross gap fractal dipole feed radiation patch of second layer film matrix is being covered in third layer film matrix just
The mirror image cross gap fractal dipole induced radiation patch in face, the barium titanate thin slice for being covered in the third layer film matrix back side,
It is covered in the permalloy coating at the barium titanate thin slice back side.
In the utility model embodiment, the mirror image cross gap fractal dipole induced radiation patch and mirror image cross
Fractal dipole feed radiation patch structure in gap is completely the same, all by two symmetrical cross gap fractal dipole radiation arms
With the mirror compensated structure composition of lower section；Mirror compensated structure is the dipole antenna radiation performance improvement knot of a kind of " omnipotent "
Structure.The feed radiation arm of mirror compensated structure size structure and dipole antenna is completely the same.If nearby there are metals for antenna
Conductor, because the effect of the electromagnetic field generated by antenna will evoke electric current, this induced current can also excite metallic conductor in space
Electromagnetic field can be called secondary field.The field of space any point is all the field that directly excites of antenna to be superimposed with secondary field.Work as idol
When extremely sub- length determines, as long as rationally adjusting active dipole at a distance from mirror compensated structure, so that it may make mirror compensated structure
On electric current and active dipole antenna arm on electric current have same or similar phase.At this moment, the field of space any point is all
The in-phase stacking of the secondary field of field and the excitation of mirror compensated structure that antenna directly excites, the radiance of antenna will obtain larger
Raising.Plane mirror compensated structure can effectively improve the radiation intensity of dipole antenna radiation arm.In feed dipole
Two pieces of induced dipole radiation patch are added above and below radiation patch, can be regarded as having used mirror image in three dimensions
Collocation structure, they can further enhance the radianting capacity of antenna entirety.
In the utility model embodiment, the cross gap fractal dipole radiation arm by length be 1mm ± 0.1mm,
The feeder line and cross gap Fractal Region domain that width is 0.5mm ± 0.01mm form, and the size in cross gap Fractal Region domain is
12.5mm±0.1mm×12.5mm±0.1mm。
Cross gap Fractal Region domain in the utility model embodiment, in the cross gap fractal dipole radiation arm
Use the cross gap fractal structure of at least 2 ranks；Cross gap fractal structure is the fractal structure of a kind of " embedded ", Ke Yi
In the case where not changing aerial radiation patch global shape and size, is introduced in aerial radiation patch and divide deformation law, point
The self-similarity of shape structure can make have equally distributed radio-frequency current inside aerial radiation patch, and it is excellent to guarantee that antenna has
Broadband operation performance.
In the utility model embodiment, the mirror compensated structure is in two cross gap fractal dipole radiation arms
Mirror symmetry, mirror compensated structure are 1mm ± 0.1mm at a distance from cross gap fractal dipole radiation arm.
In the utility model embodiment, two radiation of the mirror image cross gap fractal dipole feed radiation patch
Open gap is offered in the symmetrical center line of arm, is equipped with antenna feed point in the two sides of open gap.
In the utility model embodiment, three-layer thin-film matrix structure is consistent, is all polyethylene terephthalate (PET)
Film matrix, shape are rectangle, and size is 29mm ± 0.1mm × 28mm ± 0.1mm, with a thickness of 0.2mm ± 0.02mm, relatively
Dielectric constant is 6.0 ± 0.1；The chemical stability of polyethylene terephthalate (PET) film is very good, can be with oil resistant, resistance to
Diluted acid, resistance to diluted alkaline, resistance to most of solvents can be worked normally within the temperature range of -70 DEG C to 150 DEG C, be used it as
Antenna host material, it is ensured that antenna has stable physics and chemical property.
In the utility model embodiment, the barium titanate thin slice is microwave frequency band low-loss barium titanate thin slice, shape
For rectangle, size is 29mm ± 0.1mm × 28mm ± 0.1mm, with a thickness of 0.3mm ± 0.1mm, relative dielectric constant is 100 ±
5；Barium titanate is a kind of strong dielectric compound with high dielectric constant and low-dielectric loss, is capable of forming effective electric field shielding
Layer prevents interference of the external electrical field to aerial radiation.The alloy that permalloy is made of nickel and iron, nickeliferous 78%, iron content 21%,
And the permalloy of niobium, tantalum, titanium, aluminium is added, high rigidity and high magnetic permeability are had both, can effectively shield external magnetic field to antenna spoke
The influence penetrated, and mechanical protection is provided for antenna structure.By barium titanate thin slice together with permalloy electroplated coating combination, Ke Yiyou
Effect prevents interference of the antenna ambient electromagnetic field to aerial radiation, guarantees that antenna has and relatively resists the interference of surrounding electromagnetic signal by force
Ability.
In the utility model embodiment, the size of the permalloy coating is identical as the size of barium titanate thin slice, institute
With permalloy be by 78% nickel, 21% iron, 1% niobium, tantalum, titanium, aluminium composition high rigidity high magnetic permeability permalloy；
The mirror image cross gap fractal dipole induced radiation patch and mirror image cross gap fractal dipole feed radiation patch by
Graphene conductive ink is printed；Graphene has very high electron mobility, is fabricated to after conductive ink penetrating of can passing through
Frequency current strength is big, and with graphene conductive ink printed antenna radiation patch, the radio-frequency current intensity of inner antenna can be enhanced,
Improve aerial radiation intensity.Graphene conductive ink is free of metal, and corrosion can be effectively prevented in printed antenna radiation patch.
A kind of application of three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna, the three-dimensional mirror image cross crotch
Gap fractal dipole ultra-wide band antenna is applied to mobile communication antenna, RFID antenna, ultra-wideband antenna, mobile number electricity
Depending in antenna, gap fractal dipole antenna, mirror-image structure antenna, strong anti-interference antenna.This patent, which uses, has " embedded "
Radiation arm of the high-order cross gap fractal structure of improved capacity as dipole antenna, do not change radiation arm overall structure and
In the case where size, realize that the ultrabroad band of antenna works by introducing the self similarity changing rule of fractal structure；Plane mirror
As the radiation in-phase stacking of collocation structure and aerial radiation arm, the radiance of antenna is effectively improved；Feed radiation patch
Above and below two pieces of induced radiation patches formed three-dimensional space in mirror compensated structure, further enhance antenna entirety
Radianting capacity.Use polyethylene terephthalate (PET) film as antenna host material, it is ensured that antenna has very
Good thermal adaptability, corrosion resistance and stable Wuli-Shili-Renli system approach.Barium titanate thin slice and perm are used in the antenna structure
Alloy layer can effectively prevent interference of the antenna ambient electromagnetic field to aerial radiation.It is printed using graphene conductive ink
The radiation patch of antenna processed can be effectively prevented corrosion and improve aerial radiation intensity.
In the utility model embodiment, cross gap divides the iteration rule of shape as shown in Fig. 1 of Figure of description.Cross
The initial configuration of gap point shape is square, is divided into 5 row, 5 column, 25 small squares, by the 2nd row the 3rd column, the 3rd row the 2nd
Column, the 3rd row the 3rd column, the 3rd row the 4th column, the 4th row five small squares of the 3rd column are cut out, and are formed a cross gap, are left 20
The square area of equal part then obtains 1 rank cross gap fractal structure.By 20 squares of 1 rank cross gap fractal structure
Cross gap fractal iteration is done in region again respectively, then obtains 2 rank cross gap fractal structures.Continue iteration according to the method,
High-order cross gap fractal structure then can be obtained.Cross gap fractal structure is the fractal structure of a kind of " embedded ", Ke Yi
In the case where not changing aerial radiation patch global shape and size, is introduced in aerial radiation patch and divide deformation law, point
The self-similarity of shape structure can make have equally distributed radio-frequency current inside aerial radiation patch, and it is excellent to guarantee that antenna has
Broadband operation performance.
Antenna measured result shows that the working band range of this antenna is 0.465~16.558 GHz, and bandwidth of operation is
16.093 GHz, bandwidth octave are 35.61, are below -10 dB, echo damage in entire working band internal antenna return loss
Consumption minimum value is -46.42 dB.The radiation of this antenna not will receive the interference of microwave frequency band signal source, be placed on radiofrequency signal
When near source, it can still work normally.Measured result shows, this antenna completely cover 0.902~0.928 GHz,
0.905~0.915 GHz, 0.950~0.960 GHz, 1.710~1.785 GHz, 1.805~1.880 GHz, 1.880~
1.920 GHz, 1.920~1.980 GHz, 2.010~2.025 GHz, 2.110~2.170 GHz, 2.300~2.400
GHz, 2.400~2.4835 GHz, 2.570~2.620 GHz, 3.300~3.400 GHz, 4.400~4.500 GHz,
4.800~4.990 GHz, 5.725~5.875 GHz, 3.100~10.600 GHz, 11.700~12.200 GHz etc. second
All standard all working frequency ranges of five third-generation mobile communication of Dai Zhi, radio frequency identification frequency range, ultra-wideband communications frequency range and mobile number
TV band.
With for mobile communication system, radio-frequency recognition system, ultra-wideband communication system, mobile digital TV system routine
Antenna compares, this antenna has the advantages that prominent and significant effect: this antenna has reliable and stable ultrabroad band spoke
Performance is penetrated, bandwidth octave is up to 35.61, and bandwidth of operation has been more than 16 GHz, and most of region in working band, returns
Wave loss value is below -40 dB, and ultrabroad band ability to work is much better than existing microwave frequency band antenna；This aerial radiation
Ability is strong, and has larger performance redundancy, and return loss minimum value, can be various unpredictable severe down to -46.42 dB
Guarantee that more net unification wireless communication signals have preferable transmission quality in environment；This antenna has strong anti-interference ability,
It when being placed near radio-frequency signal source, can still work normally, the radiation of antenna not will receive the interference of signal source.
Fig. 4 of Figure of description gives the return loss (S of the utility model embodiment11) performance map.It can from Fig. 4
Out, measured result is shown, the working band range of this antenna is 0.465~16.558 GHz, bandwidth of operation 16.093
GHz, bandwidth octave are 35.61, are below -10 dB, return loss minimum value in entire working band internal antenna return loss
For -46.42 dB.The radiation of this antenna not will receive the interference of microwave frequency band signal source, be placed near radio-frequency signal source
When, it can still work normally.This antenna has larger performance redundancy and compared with strong anti-interference ability, and radianting capacity is strong, ultra-wideband
Band radiance is reliable and stable, and the second generation can be completely covered to the 5th third-generation mobile communication frequency range, radio frequency identification frequency range, ultra wide band
Communications band and mobile digital TV frequency range have huge application prospect in upcoming more net unification epoch.
The utility model is not limited to above-mentioned preferred forms, anyone can obtain under the enlightenment of the utility model
Other various forms of three-dimensional mirror image cross gap fractal dipole ultra-wide band antennas out.It is all according to present utility model application patent
The equivalent changes and modifications that range is done should all belong to the covering scope of the utility model.
Claims (9)
1. a kind of three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna, it is characterised in that: the antenna includes three layers thin
Membrane matrix is covered in the positive mirror image cross gap fractal dipole induced radiation patch of first layer film matrix, is covered in
The positive mirror image cross gap fractal dipole feed radiation patch of two-layer film matrix is covered in third layer film matrix front
Mirror image cross gap fractal dipole induced radiation patch, be covered in the third layer film matrix back side barium titanate thin slice, patch
Overlay on the permalloy coating at the barium titanate thin slice back side.
2. three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna according to claim 1, it is characterised in that: institute
State mirror image cross gap fractal dipole induced radiation patch and mirror image cross gap fractal dipole feed radiation patch structure
It is completely the same, all by the mirror compensated structure composition of two symmetrical cross gap fractal dipole radiation arms and lower section.
3. three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna according to claim 2, it is characterised in that: institute
State cross gap fractal dipole radiation arm by length be 1mm ± 0.1mm, the feeder line and cross that width is 0.5mm ± 0.01mm
Gap Fractal Region domain composition, the size in cross gap Fractal Region domain are 12.5mm ± 0.1mm × 12.5mm ± 0.1mm.
4. three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna according to claim 2, it is characterised in that: institute
It states the cross gap Fractal Region domain in cross gap fractal dipole radiation arm and uses the cross gap fractal structure of at least 2 ranks.
5. three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna according to claim 2, it is characterised in that: institute
Mirror compensated structure is stated with two cross gap fractal dipole radiation arms in mirror symmetry, mirror compensated structure and cross gap
The distance of fractal dipole radiation arm is 1mm ± 0.1mm.
6. three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna according to claim 1, it is characterised in that: institute
It states and offers open gap in the symmetrical center line of two radiation arms of mirror image cross gap fractal dipole feed radiation patch,
Antenna feed point is equipped in the two sides of open gap.
7. -6 any three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna according to claim 1, feature
Be: three-layer thin-film matrix structure is consistent, is all polyethylene terephthalate (PET) film matrix, and shape is rectangle, ruler
Very little is 29mm ± 0.1mm × 28mm ± 0.1mm, and with a thickness of 0.2mm ± 0.02mm, relative dielectric constant is 6.0 ± 0.1.
8. -6 any three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna according to claim 1, feature
Be: the barium titanate thin slice is microwave frequency band low-loss barium titanate thin slice, and shape is rectangle, and size is 29mm ± 0.1mm
× 28mm ± 0.1mm, with a thickness of 0.3mm ± 0.1mm, relative dielectric constant is 100 ± 5.
9. -6 any three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna according to claim 1, feature
Be: the size of the permalloy coating is identical as the size of barium titanate thin slice；The mirror image cross gap fractal dipole
Induced radiation patch and mirror image cross gap fractal dipole feed radiation patch are printed by graphene conductive ink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822050454.6U CN209088071U (en) | 2018-12-07 | 2018-12-07 | A kind of three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822050454.6U CN209088071U (en) | 2018-12-07 | 2018-12-07 | A kind of three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209088071U true CN209088071U (en) | 2019-07-09 |
Family
ID=67126532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822050454.6U Expired - Fee Related CN209088071U (en) | 2018-12-07 | 2018-12-07 | A kind of three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209088071U (en) |
-
2018
- 2018-12-07 CN CN201822050454.6U patent/CN209088071U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Tang et al. | Compact planar ultrawideband antennas with continuously tunable, independent band-notched filters | |
| CN104103897B (en) | A kind of compact ultra-wideband antenna based on L-type parasitism band | |
| An et al. | A simple planar antenna for sub-6 GHz applications in 5G mobile terminals | |
| Teng et al. | Multi‐frequency planar monopole antenna for GSM/DCS/PCS/WLAN operation | |
| Bangi et al. | A compact hybrid fractal antenna using Koch and Minkowski curves | |
| CN209249690U (en) | Three-dimensional mirror image drum gap fractal dipole ultra-wide band antenna | |
| Sharma et al. | Comprehensive Analysis of Multiband Microstrip Patch Antennas used in IoT-based Networks | |
| CN209088071U (en) | A kind of three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna | |
| Kenari et al. | UWB miniature antenna based on the CRLH-TL with increase gain for electromagnetic requirements | |
| CN108281783B (en) | Broken line spiral dipole-complementary gap composite ultra-wideband antenna | |
| CN108417979B (en) | Strong anti-interference composite ultra-wideband antenna | |
| CN209088062U (en) | A kind of three-dimensional mirror image Hilbert fractal dipole ultra-wide band antenna | |
| CN209249689U (en) | Three-dimensional mirror image rectangle nesting-Cantor composite fractal slot antenna | |
| Lin et al. | Simple monopole slot antenna for WWAN/LTE handset application | |
| CN209249688U (en) | Three-dimensional mirror image Cantor gap fractal dipole ultra-wide band antenna | |
| CN109494466A (en) | A kind of three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna and its application | |
| Wang et al. | A compact 433 MHz antenna with enhanced performance by using multi-resonant meander line structure | |
| CN209088063U (en) | A kind of three-dimensional mirror image tree fractal ring dipole ultra-wide band antenna | |
| Manikandan et al. | A compact penta-band low-SAR antenna loaded with split-ring resonator for mobile applications | |
| CN207967293U (en) | The nested fractal ring dipole-compound ultra-wide band antenna structure of complementary crevices | |
| CN109390674A (en) | A kind of three-dimensional mirror image Hilbert fractal dipole ultra-wide band antenna and its application | |
| CN109494465A (en) | Three-dimensional mirror image rectangle nesting-Cantor composite fractal slot antenna and terminal | |
| CN109411887A (en) | Three-dimensional mirror image drum gap fractal dipole ultra-wide band antenna and terminal | |
| CN109390687A (en) | Three-dimensional mirror image Cantor gap fractal dipole ultra-wide band antenna and terminal | |
| CN209401834U (en) | Cross-Cantor composite fractal gap ultra-wide band antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190709 Termination date: 20211207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |