CN109768376A - Butterfly gap Fractal array ultra-wide band antenna - Google Patents
Butterfly gap Fractal array ultra-wide band antenna Download PDFInfo
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Abstract
The present invention proposes butterfly gap Fractal array ultra-wide band antenna, is laid with aerial radiation patch at the radiating surface of the ultra-wide band antenna；The vertical view of the aerial radiation patch is arranged in same a plane to shape by multiple array-element antennas；Array-element antenna radiation patch is equipped at the array-element antenna radiating surface；The vertical view of the array-element antenna radiation patch to shape be butterfly gap fractal pattern；The array-element antenna radiation patch is arranged in formation butterfly gap Fractal array at ultra-wide band antenna radiating surface in length and breadth；Antenna feed point is equipped at the bottom edge center of the array-element antenna radiation patch；The present invention is a kind of Radiation work stability for having both superelevation and superpower anti-interference ability, with ultrabroad band ability to work, size is small, radiation intensity is high, performance redundancy is sufficient, and the antenna of the second generation 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 can be completely covered.
Description
Technical field
The present invention relates to antenna technical fields, especially butterfly gap Fractal array ultra-wide band antenna.
Background technique
More net unification techniques are one " the star's technologies " of 21st century, are that Development of Wireless Communications is born most in the process
One of important technology, it is real by together with the wireless communications application system combination similar with communication equipment of multiple working principles
Show shared, the maximum communication of utilization limited frequency spectrum resource realization to greatest extent of working frequency range, base station equipment, terminal device
Efficiency.Mobile communication system, radio-frequency recognition system, ultra-wideband communication system, mobile digital TV system be at present it is with fastest developing speed,
Wireless communications application system the most perfect, they all work in microwave frequency band, and working frequency is close, and equipment interoperability is strong, if
Above-mentioned four kinds of systems can be combined, so that it may realize more nets unification of microwave frequency band.
More net integrating systems require antenna to have multiband compatibility function.China's Generation Mobile Telecommunication System frequency used at present
Section is 0.905~0.915 GHz of GSM standard, 0.950~0.960 GHz, 1.710~1.785 GHz, 1.805~1.880
Ghz band；3G (Third Generation) Moblie frequency range be 1.880~1.920 GHz of TD-SCDMA standard, 2.010~2.025 GHz,
1.920~1.980 GHz of 2.300~2.400 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.The 5th third-generation mobile communication that will be come into operation has
Three candidate frequency ranges, are respectively as follows: 3.300~3.400 GHz, 4.400~4.500 GHz, 4.800~4.990 GHz.Radio frequency is known
There are three main working frequency range for other system: 0.902~0.928 GHz, 2.400~2.4835 GHz, 5.725~5.875
GHz.The working frequency range of radio ultra wide band system is 3.100~10.600 GHz.Mobile digital TV system working frequency range is 11.700
~12.200 GHz.Microwave frequency band nets unification antenna more and needs to be completely covered above-mentioned all working frequency range, has both the radiation of superelevation
Job stability and superpower anti-interference ability have ultrabroad band ability to work, and size is small, and radiation intensity is high, performance redundancy
It is sufficient.
Summary of the invention
The present invention proposes butterfly gap Fractal array ultra-wide band antenna, is a kind of Radiation work stability for having both superelevation
With superpower anti-interference ability, there is ultrabroad band ability to work, size is small, and radiation intensity is high, and performance redundancy is sufficient, can be complete
The all standing second generation to the 5th third-generation mobile communication frequency range, radio frequency identification frequency range, ultra-wideband communications frequency range and mobile digital TV frequency
The antenna of section.
The present invention uses following technical scheme.
Butterfly gap Fractal array ultra-wide band antenna is laid with aerial radiation at the radiating surface of the ultra-wide band antenna
Patch；The vertical view of the aerial radiation patch is arranged in same a plane to shape by multiple array-element antennas；The array element
Array-element antenna radiation patch is equipped at aerial radiation face；The vertical view of the array-element antenna radiation patch is that butterfly gap is divided to shape
Shape pattern；The array-element antenna radiation patch is arranged in formation butterfly gap point shape battle array at ultra-wide band antenna radiating surface in length and breadth
Column；Antenna feed point is equipped at the bottom edge center of the array-element antenna radiation patch.
Butterfly gap fractal pattern includes the straight line seam of a plurality of different length at array-element antenna radiation patch
Gap；The radiating bands of a plurality of rectilinear slot are superimposed the aerial radiation working frequency range to form one big bandwidth；It is described a plurality of straight
Linear slit gap radiation redundancy structure arranged in parallel for butterfly's wing shape at array-element antenna radiation patch；The radiation redundancy knot
The antenna function that structure can maintain it to carry with a quarter of its structure.
The array-element antenna radiation patch and array-element antenna earth plate of the array-element antenna radiating surface are by graphene conductive ink
It prints.
The ultra-wide band antenna includes film matrix, is covered in the positive aerial radiation patch of film matrix, is covered in
The antenna ground plate at the film matrix back side, the potassium tantalate-niobate thin slice for being covered in antenna ground back, to be covered in potassium tantalate-niobate thin
The iron-base nanometer crystal alloy coating at the piece back side.
The array-element antenna is that shape miniature antenna is divided in butterfly gap；The vertical view of array-element antenna radiation patch to shape be 2 ranks
Butterfly gap fractal structure；The butterfly gap fractal structure of 2 rank is to carry out butterfly gap fractal iteration in square area
And it obtains.
The butterfly gap fractal structure of 2 rank is the rectangle having a size of ± 0.1 mm of ± 0.1 mm of mm × 4.5 of 4.5 mm
Region carries out butterfly gap fractal iteration and obtains；The step of 2 rank fractal iteration is；
A1, initial square area is subjected to 1 rank butterfly gap fractal iteration, square area is divided into 15 rows 15 and is arranged
225 small squares remove 32 small squares of specific ranks, form butterfly gap, are left the square region of 193 equal parts
Domain then obtains 1 rank butterfly gap fractal structure；
The small square of the specific ranks includes
2nd row the 2nd column, the 3rd column, the 4th column, the 5th column, the 11st column, the 12nd column, the 13rd column, the 14th column,
5th row the 4th column, the 5th column, the 6th column, the 10th column, the 11st column, the 12nd column,
The column of eighth row the 6th, the 7th column, the 9th column, the 10th column,
11st row the 4th column, the 5th column, the 6th column, the 10th column, the 11st column, the 12nd column,
14th row the 2nd arranges, the 3rd arranges, the 4th arranges, the 5th arranges, the 11st arranges, the 12nd arranges, the 13rd arranges, the 14th arranges, totally 32 small squares；
A2, to remaining 108 square areas after 1 rank butterfly gap fractal iteration, carried out again by step described in A1 respectively
Butterfly gap fractal iteration then obtains the butterfly gap fractal structure of 2 ranks.
The film matrix arranges totally 16 zonules by least 4 rows 4 and forms, the opposite dielectric of each film matrix zonule
Constant is along film matrix length and width both direction gradual change；The smallest zonule of relative dielectric constant is located at the film matrix upper left corner,
Its relative dielectric constant is 15.0；The maximum zonule of relative dielectric constant is located at the film matrix lower right corner, and opposite dielectric is normal
Number is 21.0；The relative dielectric constant of each film matrix zonule is gradually increased according to sequence from left to right, from top to bottom,
The difference of the relative dielectric constant of two neighboring film matrix zonule is 1.0.
The film matrix be polyethylene terephthalate thin film matrix, shape be rectangle, size be 20 mm ±
± 0.1 mm of the mm of 0.1 mm × 20, with a thickness of ± 0.02 mm of 0.2 mm.
The potassium tantalate-niobate thin slice is to have the potassium tantalate-niobate thin slice of low-loss feature in microwave frequency band, and shape is square
Shape, size is ± 0.1 mm of ± 0.1 mm of mm × 20 of 20 mm, with a thickness of ± 0.1 mm of 0.3 mm, relative dielectric constant 200
±5。
The size of the iron-base nanometer crystal alloy coating is identical as the size of potassium tantalate-niobate thin slice, and iron based nano crystal used closes
Gold is to add a small amount of niobium, copper, silicon, boron element based on ferro element, uses the height of amorphous state low-loss made of fast solidification technology
Permeability magnetic alloy material.
In this antenna proposed by the present invention, the butterfly for having both bionic antenna He " embedded " gap fractal antenna advantage is used
Shape gap fractal antenna is as array-element antenna.Using the self-similarity of bionics principle and fractal structure guarantee array-element antenna have compared with
Big bandwidth of operation；Multiple array-element antennas form aerial array according to rectangular array structural arrangement, and the radiation of array-element antenna is stacked
Add, make array antenna while there is biggish bandwidth of operation and stronger radiation intensity, antenna has biggish performance redundancy；It uses
Polyethylene terephthalate (PET) film of relative dielectric constant gradual change guarantees that antenna has very as antenna host material
Good thermal adaptability, corrosion resistance and stable Wuli-Shili-Renli system approach, and array antenna is further increased using principle of stacking
Radiance and bandwidth performance.Potassium tantalate-niobate thin slice and iron-base nanometer crystal alloy coating, Ke Yiyou are used in the antenna structure
Effect improves the ability that antenna resists external electromagnetic field interference.It, can be with using the radiation patch of graphene conductive ink printed antenna
It effectively prevent corroding and improving aerial radiation intensity.
Antenna measured result shows that the working band range of this antenna is 0.376~17.288 GHz, and bandwidth of operation is
16.912 GHz, bandwidth octave are 45.98, are below -10 dB, echo damage in entire working band internal antenna return loss
Consumption minimum value is -46.95 dB.This antenna anti-interference ability with super strength in actual measurement, is placed near radio-frequency signal source
When can still work normally.This antenna completely covers 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~
The second generations such as 5.875 GHz, 3.100~10.600 GHz, 11.700~12.200 GHz are to the 5th third-generation mobile communication ownership
Formula all working frequency range, radio frequency identification frequency range, ultra-wideband communications frequency range and mobile digital TV frequency range.
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 by high degree of symmetry bionical electromagnetic radiation
Structure has a good anti-destructive according to dividing shape self-similarity iteration law generation, and antenna is destructively only left four/
For the moment, it can still work normally；This Antenna Operation bandwidth reaches 45.98 close to 17 GHz, bandwidth octave, in work frequency
Most of area echo loss value in band is lower than -40 dB, and return loss minimum value is down to -46.95 dB, antenna radiation performance
It is very stable and have biggish performance redundancy, can guarantee that wireless communication signals have preferable transmission quality；This antenna has excellent
Different interference free performance can be placed at mobile communication base station, radio-frequency identification reader/writer, ultra-wideband communications transmitter, mobile number
The radio-frequency signal sources such as word television transmitter nearby work normally, and antenna radiation performance is unaffected.
Butterfly gap fractal structure (butterfly gap fractal pattern) in the present invention is a kind of based on bionics principle design
Bionical electromagnetic radiation structure, arranged by the rectilinear slot of a plurality of different length according to the shape parallel of butterfly's wing,
The radiation in a plurality of gap is superimposed, and can form the biggish aerial radiation working frequency range of a bandwidth of operation.Butterfly gap structure tool
There is multiple symmetry up and down, anti-destructive is preferable, when destructurized, it is only necessary to which remaining a quarter can guarantee day
Line can work.Butterfly gap fractal structure is a kind of completely new " embedded " gap fractal iteration mode, has both butterfly gap
The advantages of structure and " embedded " gap fractal structure, has excellent broadband operation ability.This is used in Antenna Design
Shape is divided in kind " embedded " gap, can be the case where not changing aerial radiation patch global shape, size and external radiation gap
Under, inside aerial radiation patch introduce divide shape gap structure, in the case where not changing Antenna Operation centre frequency, using point
The self-similarity of shape gap structure makes have uniform current distribution inside aerial radiation patch, guarantees that antenna has stable surpass
Broadband operation performance.
Single butterfly gap divides the bandwidth of operation of shape miniature antenna although larger, but radiation intensity is weaker, and the present invention is more
A butterfly gap divides shape miniature antenna to form aerial array according to rectangular array structural arrangement, their radiation can be allowed superimposed,
Further enhance the radiation intensity of antenna.
The present invention uses polyethylene terephthalate (PET) film as antenna host material, poly terephthalic acid second
The chemical stability of diester (PET) film is very good, can be arrived with oil resistant, resistance to diluted acid, resistance to diluted alkaline, resistance to most of solvents at -70 DEG C
It can be worked normally within the temperature range of 150 DEG C, it is ensured that antenna has stable physics and chemical property.
In the present invention, the PET film matrix of relative dielectric constant gradual change can be divided into the multiple zonules of multiple lines and multiple rows, often
The relative dielectric constant of a film matrix zonule is along film matrix length and width both direction gradual change, each film matrix cell
The relative dielectric constant in domain is gradually increased according to sequence from left to right, from top to bottom；Using this in array antenna design
After the film matrix of relative dielectric constant gradual change, the matrix relative dielectric constant of each array-element antenna is different from, therefore each
The working frequency points of array-element antenna are different；When the working frequency points of different array-element antennas are closer to, their radiation and work frequency
Band can be overlapped mutually, and a radiation intensity and all biggish working band of bandwidth of operation be formed, to improve the spoke of array antenna
Penetrate performance and bandwidth performance.
In the present invention, antenna ground back is covered in potassium tantalate-niobate thin slice；The potassium tantalate-niobate thin slice back side is covered with iron
Based Nanocrystalline Alloys coating；Potassium tantalate-niobate is a kind of Gao Jie for having good thermal stability, chemical stability, mechanical stability
Electric constant low-loss compound is capable of forming efficient electric field shielding layer, prevents external electrical field from interfering Antenna Operation.Iron-based nanometer
Peritectic alloy is a kind of ideal high-performance soft magnetic materials, has superhigh magnetic conductivity, good corrosion resistance and magnetic stability, extremely low
Loss, can effectively prevent interference of the external magnetic field to Antenna Operation.By potassium tantalate-niobate thin slice and iron-base nanometer crystal alloy coating
It combines, can effectively prevent interference of the antenna ambient electromagnetic field to aerial radiation.
Detailed description of the invention
The present invention is described in more detail with reference to the accompanying drawings and detailed description:
Attached drawing 1 is schematic diagram of the invention；
Attached drawing 2 is the hierarchical diagram of antenna of the present invention；
Attached drawing 3 is the schematic diagram of the secondary fractal iteration of the present invention；
Attached drawing 4 is the schematic diagram of the relative dielectric constant in each region of the film matrix of inventive antenna；
Attached drawing 5 is return loss of the invention (S11) performance map
In figure: 1- aerial radiation patch；2- array-element antenna；3- antenna ground plate；4- film matrix；5- potassium tantalate-niobate thin slice；6-
Iron-base nanometer crystal alloy coating.
Specific embodiment
As shown in Figs. 1-5, butterfly gap Fractal array ultra-wide band antenna, cloth at the radiating surface of the ultra-wide band antenna
Equipped with aerial radiation patch 1；The vertical view of the aerial radiation patch is arranged in same a plane to shape by multiple array-element antennas 2
It forms；Array-element antenna radiation patch is equipped at the array-element antenna radiating surface；The vertical view of the array-element antenna radiation patch is to shape
Shape is butterfly gap fractal pattern；The array-element antenna radiation patch is arranged in formation butterfly at ultra-wide band antenna radiating surface in length and breadth
Shape gap Fractal array；Antenna feed point is equipped at the bottom edge center of the array-element antenna radiation patch.
Butterfly gap fractal pattern includes the straight line seam of a plurality of different length at array-element antenna radiation patch
Gap；The radiating bands of a plurality of rectilinear slot are superimposed the aerial radiation working frequency range to form one big bandwidth；It is described a plurality of straight
Linear slit gap radiation redundancy structure arranged in parallel for butterfly's wing shape at array-element antenna radiation patch；The radiation redundancy knot
The antenna function that structure can maintain it to carry with a quarter of its structure.
The array-element antenna radiation patch and array-element antenna earth plate of the array-element antenna radiating surface are by graphene conductive ink
It prints.
The ultra-wide band antenna includes film matrix 4, is covered in the positive aerial radiation patch 1 of film matrix, pastes
The film matrix back side antenna ground plate 3, be covered in antenna ground back potassium tantalate-niobate thin slice 5, be covered in tantalum niobic acid
The iron-base nanometer crystal alloy coating 6 at the potassium thin slice back side.
The array-element antenna is that shape miniature antenna is divided in butterfly gap；The vertical view of array-element antenna radiation patch to shape be 2 ranks
Butterfly gap fractal structure；The butterfly gap fractal structure of 2 rank is to carry out butterfly gap fractal iteration in square area
And it obtains.
The butterfly gap fractal structure of 2 rank is the rectangle having a size of ± 0.1 mm of ± 0.1 mm of mm × 4.5 of 4.5 mm
Region carries out butterfly gap fractal iteration and obtains；The step of 2 rank fractal iteration is；
A1, initial square area is subjected to 1 rank butterfly gap fractal iteration, square area is divided into 15 rows 15 and is arranged
225 small squares remove 32 small squares of specific ranks, form butterfly gap, are left the square region of 193 equal parts
Domain then obtains 1 rank butterfly gap fractal structure；
The small square of the specific ranks includes
2nd row the 2nd column, the 3rd column, the 4th column, the 5th column, the 11st column, the 12nd column, the 13rd column, the 14th column,
5th row the 4th column, the 5th column, the 6th column, the 10th column, the 11st column, the 12nd column,
The column of eighth row the 6th, the 7th column, the 9th column, the 10th column,
11st row the 4th column, the 5th column, the 6th column, the 10th column, the 11st column, the 12nd column,
14th row the 2nd arranges, the 3rd arranges, the 4th arranges, the 5th arranges, the 11st arranges, the 12nd arranges, the 13rd arranges, the 14th arranges, totally 32 small squares；
A2, to remaining 108 square areas after 1 rank butterfly gap fractal iteration, carried out again by step described in A1 respectively
Butterfly gap fractal iteration then obtains the butterfly gap fractal structure of 2 ranks.
The film matrix arranges totally 16 zonules by least 4 rows 4 and forms, the opposite dielectric of each film matrix zonule
Constant is along film matrix length and width both direction gradual change；The smallest zonule of relative dielectric constant is located at the film matrix upper left corner,
Its relative dielectric constant is 15.0；The maximum zonule of relative dielectric constant is located at the film matrix lower right corner, and opposite dielectric is normal
Number is 21.0；The relative dielectric constant of each film matrix zonule is gradually increased according to sequence from left to right, from top to bottom,
The difference of the relative dielectric constant of two neighboring film matrix zonule is 1.0.
The film matrix be polyethylene terephthalate thin film matrix, shape be rectangle, size be 20 mm ±
± 0.1 mm of the mm of 0.1 mm × 20, with a thickness of ± 0.02 mm of 0.2 mm.
The potassium tantalate-niobate thin slice is to have the potassium tantalate-niobate thin slice of low-loss feature in microwave frequency band, and shape is square
Shape, size is ± 0.1 mm of ± 0.1 mm of mm × 20 of 20 mm, with a thickness of ± 0.1 mm of 0.3 mm, relative dielectric constant 200
±5。
The size of the iron-base nanometer crystal alloy coating is identical as the size of potassium tantalate-niobate thin slice, and iron based nano crystal used closes
Gold is to add a small amount of niobium, copper, silicon, boron element based on ferro element, uses the height of amorphous state low-loss made of fast solidification technology
Permeability magnetic alloy material.
Claims (10)
1. butterfly gap Fractal array ultra-wide band antenna, it is characterised in that: laid at the radiating surface of the ultra-wide band antenna
There is aerial radiation patch；The vertical view of the aerial radiation patch arranged in same a plane to shape by multiple array-element antennas and
At；Array-element antenna radiation patch is equipped at the array-element antenna radiating surface；The vertical view of the array-element antenna radiation patch is to shape
For butterfly gap fractal pattern；The array-element antenna radiation patch is arranged in formation butterfly at ultra-wide band antenna radiating surface in length and breadth
Gap Fractal array；Antenna feed point is equipped at the bottom edge center of the array-element antenna radiation patch.
2. butterfly gap Fractal array ultra-wide band antenna according to claim 1, it is characterised in that: the butterfly gap
Fractal pattern includes the rectilinear slot of a plurality of different length at array-element antenna radiation patch；The a plurality of rectilinear slot
Radiating bands are superimposed the aerial radiation working frequency range to form one big bandwidth；The a plurality of rectilinear slot is radiated in array-element antenna and is pasted
Radiation redundancy structure arranged in parallel for butterfly's wing shape at piece；The radiation redundancy structure can be with a quarter of its structure
The antenna function for maintaining it to carry.
3. butterfly gap Fractal array ultra-wide band antenna according to claim 1, it is characterised in that: the array-element antenna
The array-element antenna radiation patch and array-element antenna earth plate of radiating surface are printed by graphene conductive ink.
4. butterfly gap Fractal array ultra-wide band antenna according to claim 1, it is characterised in that: the ultrabroad band
Antenna includes that film matrix, the antenna for being covered in the positive aerial radiation patch of film matrix, being covered in the film matrix back side connect
Floor, the potassium tantalate-niobate thin slice for being covered in antenna ground back, the iron based nano crystal conjunction for being covered in the potassium tantalate-niobate thin slice back side
Gold plate.
5. butterfly gap Fractal array ultra-wide band antenna according to claim 4, it is characterised in that: the array-element antenna
Divide shape miniature antenna for butterfly gap；The vertical view of array-element antenna radiation patch to shape be 2 ranks butterfly gap fractal structure；It is described
The butterfly gap fractal structure of 2 ranks is to carry out butterfly gap fractal iteration in square area and obtain.
6. butterfly gap Fractal array ultra-wide band antenna according to claim 5, it is characterised in that: the butterfly of 2 rank
Shape gap fractal structure is that the rectangular area having a size of ± 0.1 mm of ± 0.1 mm of mm × 4.5 of 4.5 mm carries out butterfly gap point
Shape iteration and obtain；The step of 2 rank fractal iteration is；
A1, initial square area is subjected to 1 rank butterfly gap fractal iteration, square area is divided into 15 rows 15 and is arranged
225 small squares remove 32 small squares of specific ranks, form butterfly gap, are left the square region of 193 equal parts
Domain then obtains 1 rank butterfly gap fractal structure；
The small square of the specific ranks includes
2nd row the 2nd column, the 3rd column, the 4th column, the 5th column, the 11st column, the 12nd column, the 13rd column, the 14th column,
5th row the 4th column, the 5th column, the 6th column, the 10th column, the 11st column, the 12nd column,
The column of eighth row the 6th, the 7th column, the 9th column, the 10th column,
11st row the 4th column, the 5th column, the 6th column, the 10th column, the 11st column, the 12nd column,
14th row the 2nd arranges, the 3rd arranges, the 4th arranges, the 5th arranges, the 11st arranges, the 12nd arranges, the 13rd arranges, the 14th arranges, totally 32 small squares；
A2, to remaining 108 square areas after 1 rank butterfly gap fractal iteration, carried out again by step described in A1 respectively
Butterfly gap fractal iteration then obtains the butterfly gap fractal structure of 2 ranks.
7. butterfly gap Fractal array ultra-wide band antenna according to claim 6, it is characterised in that: the film matrix
It is made of totally 16 zonules at least 4 rows 4 column, the relative dielectric constant of each film matrix zonule is long along film matrix,
Wide both direction gradual change；The smallest zonule of relative dielectric constant is located at the film matrix upper left corner, and relative dielectric constant is
15.0；The maximum zonule of relative dielectric constant is located at the film matrix lower right corner, relative dielectric constant 21.0；Each film
The relative dielectric constant of matrix zonule is gradually increased according to sequence from left to right, from top to bottom, two neighboring film matrix
The difference of the relative dielectric constant of zonule is 1.0.
8. butterfly gap Fractal array ultra-wide band antenna according to claim 7, it is characterised in that: the film base
Matter is polyethylene terephthalate thin film matrix, and shape is rectangle, and size is ± 0.1 mm ± 0.1 mm × 20 20 mm
Mm, with a thickness of ± 0.02 mm of 0.2 mm.
9. butterfly gap Fractal array ultra-wide band antenna according to claim 8, it is characterised in that: the tantalum niobic acid
Potassium thin slice is to have the potassium tantalate-niobate thin slice of low-loss feature in microwave frequency band, and shape is rectangle, and size is 20 mm ± 0.1
± 0.1 mm of the mm of mm × 20, with a thickness of ± 0.1 mm of 0.3 mm, relative dielectric constant is 200 ± 5.
10. butterfly gap Fractal array ultra-wide band antenna according to claim 9, it is characterised in that: described iron-based to receive
Rice peritectic alloy coating size it is identical as the size of potassium tantalate-niobate thin slice, iron-base nanometer crystal alloy used be based on ferro element,
A small amount of niobium, copper, silicon, boron element are added, amorphous state low-loss high-permeability alloy material made of fast solidification technology is used.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110649381A (en) * | 2019-09-29 | 2020-01-03 | 厦门大学嘉庚学院 | Trapezoidal multi-slot fractal split growth type array antenna |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008048090A (en) * | 2006-08-14 | 2008-02-28 | Ntt Docomo Inc | Patch antenna |
| CN106981723A (en) * | 2017-05-26 | 2017-07-25 | 厦门大学嘉庚学院 | A kind of bionical ultra-wideband antenna of Fractal array |
| CN107196055A (en) * | 2017-05-26 | 2017-09-22 | 厦门大学嘉庚学院 | A kind of compatible fractal array antennas of multiband |
| CN107968259A (en) * | 2018-01-30 | 2018-04-27 | 厦门大学嘉庚学院 | The compound ultra-wide band antenna of hexagonal array based on Xie Erbinsi matrix components |
| CN207459165U (en) * | 2017-11-29 | 2018-06-05 | 厦门大学嘉庚学院 | The bionical photonic crystal arrays ultra-wide band antenna structure of electromagnetism |
| CN207967298U (en) * | 2017-12-01 | 2018-10-12 | 厦门大学嘉庚学院 | Array for mobile digital TV divides shape graphene antenna structure |
-
2019
- 2019-01-24 CN CN201910069355.9A patent/CN109768376A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008048090A (en) * | 2006-08-14 | 2008-02-28 | Ntt Docomo Inc | Patch antenna |
| CN106981723A (en) * | 2017-05-26 | 2017-07-25 | 厦门大学嘉庚学院 | A kind of bionical ultra-wideband antenna of Fractal array |
| CN107196055A (en) * | 2017-05-26 | 2017-09-22 | 厦门大学嘉庚学院 | A kind of compatible fractal array antennas of multiband |
| CN207459165U (en) * | 2017-11-29 | 2018-06-05 | 厦门大学嘉庚学院 | The bionical photonic crystal arrays ultra-wide band antenna structure of electromagnetism |
| CN207967298U (en) * | 2017-12-01 | 2018-10-12 | 厦门大学嘉庚学院 | Array for mobile digital TV divides shape graphene antenna structure |
| CN107968259A (en) * | 2018-01-30 | 2018-04-27 | 厦门大学嘉庚学院 | The compound ultra-wide band antenna of hexagonal array based on Xie Erbinsi matrix components |
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| CN110649381A (en) * | 2019-09-29 | 2020-01-03 | 厦门大学嘉庚学院 | Trapezoidal multi-slot fractal split growth type array antenna |
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Application publication date: 20190517 |