CN109494466A - A kind of three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna and its application - Google Patents
A kind of three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna and its application Download PDFInfo
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- CN109494466A CN109494466A CN201811493980.8A CN201811493980A CN109494466A CN 109494466 A CN109494466 A CN 109494466A CN 201811493980 A CN201811493980 A CN 201811493980A CN 109494466 A CN109494466 A CN 109494466A
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- cross gap
- mirror image
- gap fractal
- fractal dipole
- image cross
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/364—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith using a particular conducting material, e.g. superconductor
- H01Q1/368—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith using a particular conducting material, e.g. superconductor using carbon or carbon composite
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/526—Electromagnetic shields
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
- H01Q5/25—Ultra-wideband [UWB] systems, e.g. multiple resonance systems; Pulse systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
- H01Q5/28—Arrangements for establishing polarisation or beam width over two or more different wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0414—Substantially flat resonant element parallel to ground plane, e.g. patch antenna in a stacked or folded configuration
Abstract
The present invention 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 present invention relates to a kind of three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna and its applications.
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 present invention generates.
Summary of the invention
In view of the deficiencies in the prior art, technical problem to be solved by the invention is to provide a kind of three-dimensional mirror image cross gaps
Fractal dipole ultra-wide band antenna and its application, are not only simple in structure, and convenient and efficient.
In order to solve the above-mentioned technical problem, the technical scheme is that a kind of three-dimensional mirror image cross gap divides shape dipole
Sub- ultra-wide band antenna, the antenna include three-layer thin-film matrix, are covered in the positive mirror image cross gap of first layer film matrix
Fractal dipole induced radiation patch is covered in the positive mirror image cross gap fractal dipole feed spoke of second layer film matrix
Patch is penetrated, the positive mirror image cross gap fractal dipole induced radiation patch of third layer film matrix is covered in, is covered in
The barium titanate thin slice at the three-layer thin-film matrix back side, the permalloy coating for being covered in 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.
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.
Compared with prior art, the invention has the following advantages: there is larger performance redundancy and compared with strong anti-interference ability,
Radianting capacity is strong, and ultrabroad band radiance is reliable and stable, can be completely covered the second generation to the 5th third-generation mobile communication frequency range, penetrate
Frequency identification frequency range, ultra-wideband communications frequency range and mobile digital TV frequency range.
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention
Fig. 1 is that the cross gap of the embodiment of the present invention 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 embodiment of the present invention11) performance map.
Specific embodiment
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and cooperate attached drawing, make detailed
Carefully it is described as follows.
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 embodiments of the present invention, the mirror image cross gap fractal dipole induced radiation patch and mirror image cross gap
Fractal dipole feed radiation patch structure is completely the same, all by two symmetrical cross gap fractal dipole radiation arms under
The mirror compensated structure composition of side；Mirror compensated structure is the dipole antenna radiation performance improvement structure of a kind of " omnipotent ".Mirror
As the feed radiation arm of collocation structure dimensional structure and dipole antenna is completely the same.If antenna nearby there are metallic conductor,
For metallic conductor because the effect of the electromagnetic field generated by antenna will evoke electric current, this induced current also can excite electromagnetism in space
, secondary field can be called.The field of space any point is all the field that directly excites of antenna to be superimposed with secondary field.Work as dipole
When length determines, as long as rationally adjusting active dipole at a distance from mirror compensated structure, so that it may make in mirror compensated structure
Electric current on electric current and active dipole antenna arm has same or similar phase.At this moment, the field of space any point is all antenna
The in-phase stacking of the secondary field of the field directly excited and the excitation of mirror compensated structure, the radiance of antenna will obtain biggish mention
It is high.Plane mirror compensated structure can effectively improve the radiation intensity of dipole antenna radiation arm.It is radiated in feed dipole
Two pieces of induced dipole radiation patch are added above and below patch, can be regarded as having used mirror compensated in three dimensions
Structure, they can further enhance the radianting capacity of antenna entirety.
In embodiments of the present invention, the cross gap fractal dipole radiation arm is 1mm ± 0.1mm, width by length
Formed for the feeder line of 0.5mm ± 0.01mm and cross gap Fractal Region domain, the size in cross gap Fractal Region domain be 12.5mm ±
0.1mm×12.5mm±0.1mm。
In embodiments of the present invention, the cross gap Fractal Region domain in the cross gap fractal dipole radiation arm uses
The cross gap fractal structure of at least 2 ranks；Cross gap fractal structure is the fractal structure of a kind of " embedded ", can not changed
In the case where beta radiation patch global shape and the size of restoring a reactionary rule, is introduced in aerial radiation patch and divide deformation law, divide shape knot
The self-similarity of structure can make have equally distributed radio-frequency current inside aerial radiation patch, guarantee that antenna has excellent wideband
Band working performance.
In embodiments of the present invention, the mirror compensated structure and two cross gap fractal dipole radiation arms are in mirror image
Symmetrically, mirror compensated structure is 1mm ± 0.1mm at a distance from cross gap fractal dipole radiation arm.
In embodiments of the present invention, the mirror image cross gap fractal dipole feeds two radiation arms of radiation patch
Open gap is offered in symmetrical center line, is equipped with antenna feed point in the two sides of open gap.
In embodiments of the present invention, 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, opposite dielectric
Constant is 6.0 ± 0.1；The chemical stability of polyethylene terephthalate (PET) film is very good, can with oil resistant, resistance to diluted acid,
Resistance to diluted alkaline, resistance to most of solvents can work normally within the temperature range of -70 DEG C to 150 DEG C, use it as antenna base
Material, it is ensured that antenna has stable physics and chemical property.
In embodiments of the present invention, the barium titanate thin slice is microwave frequency band low-loss barium titanate thin slice, and shape is square
Shape, size are 29mm ± 0.1mm × 28mm ± 0.1mm, and with a thickness of 0.3mm ± 0.1mm, relative dielectric constant is 100 ± 5；Titanium
Sour barium is a kind of strong dielectric compound with high dielectric constant and low-dielectric loss, is capable of forming effective electric field shielding layer,
Prevent 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 for adding niobium, tantalum, titanium, aluminium, has both high rigidity and high magnetic permeability, can effectively shield external magnetic field to aerial radiation
Influence, and provide mechanical protection for antenna structure.It, can be effective by barium titanate thin slice together with permalloy electroplated coating combination
Interference of the antenna ambient electromagnetic field to aerial radiation is prevented, guarantees that there is antenna relatively strong surrounding electromagnetic signal of resisting to interfere energy
Power.
In embodiments of the present invention, the size of the permalloy coating is identical as the size of barium titanate thin slice, slope used
Not alloy be by 78% nickel, 21% iron, 1% niobium, tantalum, titanium, aluminium composition high rigidity high magnetic permeability permalloy；It is described
Mirror image cross gap fractal dipole induced radiation patch and mirror image cross gap fractal dipole feed radiation patch are by graphite
Alkene printing conductive ink forms；Graphene has very high electron mobility, is fabricated to the radio frequency electrical that can pass through after conductive ink
Intensity of flow is big, and with graphene conductive ink printed antenna radiation patch, the radio-frequency current intensity of inner antenna can be enhanced, and improves
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 embodiments of the present invention, cross gap divides the iteration rule of shape as shown in Fig. 1 of Figure of description.Cross gap
The initial configuration of 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,
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 etc.
The square area divided, then obtain 1 rank cross gap fractal structure.By 20 square regions of 1 rank cross gap fractal structure
Cross gap fractal iteration is done in domain again respectively, then obtains 2 rank cross gap fractal structures.Continue iteration according to the method, then
High-order cross gap fractal structure can be obtained.Cross gap fractal structure is the fractal structure of a kind of " embedded ", can be not
In the case where changing aerial radiation patch global shape and size, is introduced in aerial radiation patch and divide deformation law, divide shape
The self-similarity of structure can make have equally distributed radio-frequency current inside aerial radiation patch, guarantee that antenna has excellent width
Band 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 embodiment of the present invention11) performance map.From fig. 4, it can be seen that
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 be 35.61, entire working band internal antenna return loss be below -10 dB, return loss minimum value be -
46.42 dB.The radiation of this antenna not will receive the interference of microwave frequency band signal source, when being placed near radio-frequency signal source, still
It can so work normally.This antenna has larger performance redundancy and compared with strong anti-interference ability, and radianting capacity is strong, ultrabroad band radiation
It is stable and reliable for performance, 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
Section and mobile digital TV frequency range, have huge application prospect in upcoming more net unification epoch.
The present invention is not limited to above-mentioned preferred forms, anyone can show that other are each under the inspiration of the present invention
The three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna of kind form and its application.It is all according to scope of the present invention patent
The equivalent changes and modifications done, are all covered by the present invention.
Claims (10)
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, and permalloy used is 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 are printed by graphene conductive ink.
10. a kind of application of three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna, it is characterised in that: by claim
Three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna described in any one of 1 to 9 is applied to mobile communication antenna, penetrates
Frequency identification antenna, ultra-wideband antenna, mobile digital TV antenna, gap fractal dipole antenna, mirror-image structure antenna, Qiang Kanggan
It disturbs in antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811493980.8A CN109494466A (en) | 2018-12-07 | 2018-12-07 | A kind of three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811493980.8A CN109494466A (en) | 2018-12-07 | 2018-12-07 | A kind of three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna and its application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109494466A true CN109494466A (en) | 2019-03-19 |
Family
ID=65698434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811493980.8A Withdrawn CN109494466A (en) | 2018-12-07 | 2018-12-07 | A kind of three-dimensional mirror image cross gap fractal dipole ultra-wide band antenna and its application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109494466A (en) |
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2018
- 2018-12-07 CN CN201811493980.8A patent/CN109494466A/en not_active Withdrawn
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Application publication date: 20190319 |