CN206878172U - A kind of bionical ultra-wideband antenna structure of Fractal array - Google Patents
A kind of bionical ultra-wideband antenna structure of Fractal array Download PDFInfo
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- CN206878172U CN206878172U CN201720597371.1U CN201720597371U CN206878172U CN 206878172 U CN206878172 U CN 206878172U CN 201720597371 U CN201720597371 U CN 201720597371U CN 206878172 U CN206878172 U CN 206878172U
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Abstract
A kind of bionical ultra-wideband antenna structure of Fractal array is the utility model is related to, substrate is specifically included and is covered in the bionical radiation patch of Fractal array of the substrate front side；The aerial array that the bionical radiation patch of Fractal array is made up of 25 bionical miniature antennas of photonic crystal batswing tab according to cross Fractal array structural arrangement.The utility model ensures that aerial array has larger bandwidth of operation while aerial radiation intensity is strengthened by group battle array.
Description
Technical field
Communication technical field is the utility model is related to, particularly a kind of bionical ultra-wideband antenna structure of Fractal array.
Background technology
Ultra wide band（UWB）The communication technology is current one of study hotspot of electronic communication scientific research field in the world.This century
The Novel Communication technology just developed starts UWB being applied to civilian high speed, wireless near field communication field, and achieves very fast hair
Exhibition, by advantages such as high-speed, low-power consumption, low costs, UWB short-range communication technique standards have begun to lead the tradition of bluetooth
Domain proposes challenge.It is in addition to possessing the characteristics of Bluetooth technology is existing, also with speed height, power consumptive province（It is wireless less than existing
The 1% of technology）, the more low advantage of cost, also will be one of Main Means of following short-range wireless connectivity, have it is extremely wide
Application field and market prospects.Under the long-term continued support of National 863 plan, China is in super broad band radio communication key technology
Impressive progress is had been achieved in terms of research and development, the development ability of chip, software and application system has been preliminarily formed, has possessed and be directed to
Industry requirement carries out the technical conditions of system-level research and development and application innovation.FCC（FCC）The ultra-wide of determination
The frequency range of band (UWB) communication is 3.100~10.600 GHz, and this standard turns into the state of ultra-wideband communication system antenna now
Border standard.Ultra-wideband communication system require antenna simultaneously meet small size, low thickness, low return loss, big bandwidth of operation will
Ask, there is larger performance redundancy, the biography of wireless communication signals can be ensured under various unpredictable bad electromagnetic environments
Transmission quality.
REID is a kind of contactless automatic radio identification technology, and it is automatic by radio frequency signal
Identification destination object simultaneously gathers related data, and identification work is without manual operation, and the severe working environment that need not worry.Radio frequency
Identification technology can recognize that high-speed moving object and can identify multiple labels simultaneously, swift and convenient to operate, progressively substitute bar shaped
Code technology, has a wide range of applications in multiple fields such as ecommerce, Automated condtrol, communications and transportation.At present, radio frequency identification skill
The frequency range of art most application prospect is 0.902~0.928 GHz, 2.400~2.4835 GHz and 5.725~5.875 GHz.
Mobile communication is one of most important application of wireless technology, can support the movement of multiband, multi-standard, multi-mode
The communication technology, it is the core key technology of China's wireless communications application career development of facing the future.At present, the second generation in China is moved
Dynamic communication is still used widely, 3G (Third Generation) Moblie is in the ascendant, forth generation mobile communication has started to popularize, and is ground
The 5th Generation Mobile Communication System in hair will be intimately associated with other wireless mobile telecommunication technologies, and it is immanent to form a new generation
Mobile Information Network, meet the growth requirement of mobile Internet flow rapid growth in following 10 years, will be put into before and after the year two thousand twenty
Commercial operation.Different frequency, different systems mobile communication wireless signal will be in space long-term co-existence, this requires mobile communication
Antenna possesses the compatible function of multiband, can cover simultaneously the GHz of GSM 0.905~0.915,0.950~0.960 GHz,
1.710~1.785 GHz, 1.805~1.880 ghz bands, the GHz of TD-SCDMA 1.880~1.920,2.010~2.025
GHz, 2.300~2.400 ghz bands, the GHz of WCDMA 1.920~1.980,2.110~2.170 ghz bands, TD-LTE
2.570~2.620 ghz bands, the GHz of the 5th third-generation mobile communication 3.300~3.400,4.400~4.500 GHz, 4.800~
4.990 GHz candidate's frequency ranges, and meet GSM small size, low thickness, low return loss, big bandwidth of operation will
Ask.
GSM, radio-frequency recognition system, ultra-wideband communication system are all based on the communication system of rf wireless signal
System, has very big interlinking each other.If a antenna can be designed, while cover Generation Mobile Telecommunication System GSM standards
0.905~0.915 GHz, 0.950~0.960 GHz, 1.710~1.785 GHz, 1.805~1.880 ghz bands, the 3rd
The GHz of third-generation mobile communication TD-SCDMA standards 1.880~1.920,2.010~2.025 GHz, 2.300~2.400 ghz bands,
The GHz of 3G (Third Generation) Moblie WCDMA standards 1.920~1.980,2.110~2.170 ghz bands, forth generation mobile communication
The ghz band of TD-LTE standards 2.570~2.620, the GHz of the 5th third-generation mobile communication 3.300~3.400,4.400~4.500
GHz, 4.800~4.990 GHz, tri- candidate's frequency ranges, the GHz of radio-frequency recognition system 0.902~0.928,2.400~2.4835
GHz, 5.725~5.875 GHz, tri- conventional frequency ranges, the ghz band of ultra-wideband communication system 3.100~10.600, and it is simultaneously full
The requirement of sufficient small size, low thickness, low return loss, big bandwidth of operation, it becomes possible to realize to the second generation, the third generation, forth generation,
5th Generation Mobile Communication System, radio-frequency recognition system, the compatibility of ultra-wideband communication system.After this antenna, smart mobile phone
It can be combined together with radio-frequency identification reader/writer, ultra-wideband communications terminal device, the whole of various wireless communication terminal can be achieved
Close.
At present in bio-science field, research of the researcher to the sonar system of many biological (such as bat, dolphins)
Have been achieved with major progress.It is much having applied and just in developing technology (such as underwater sonar skill in field of engineering technology
Ultrasonic technique and robot localization identification technology in art, medical diagnosis) all promote the development of biomimetic sonar technology.Ultrasound
Ripple and electromagnetic wave propagation follow same physical law, and bionic design method is applied into microwave band, can help the mankind
The performance of antenna is improved, designs the bionic antenna of higher performance.
Photonic crystal is a kind of medium periodic structure that periodic arrangement is formed in another medium.Photonic crystal produces
Photon band gap can completely or partially hinder electromagnetic wave propagation.When photon crystal structure is used in Antenna Design, pass through
Strict design, can make photon band gap frequency caused by photonic crystal consistent with the operating center frequency of antenna, at this moment photonic band
Part is prevented antenna from being radiated in the energy of former operating center frequency by gap, energy is diffused into neighbouring frequency radiation, so as to increase
Add the frequency range of antenna energy, increase the bandwidth of operation of antenna.
Fractal structure is by self similarity geometry caused by iteration, between its entirety and part and part and office
All there is self-similarity between portion.Fractal array be by multiple array-element antennas according to fractal iteration rule arrangement be aerial array
Group battle array method, the advantages of fractal structure self-similarity can be given full play to, while aerial radiation intensity is strengthened by group battle array,
Ensure that aerial array has larger bandwidth of operation.
It is bionical ultra-wideband antenna with the immediate prior art of present techniques, has a patent of invention at present and award
Power：
1. Liu Ying, Gong Shuxi, Jiang Wen, Li Yanping, turbulent waves, Wang Wentao, the ultra-wideband bionic day of low radar scattering cross section
Line, the patent No.：200910023245.5 authorized within 5th in September in 2012.
This patent uses the bionical irradiation structure of similar insect feeler, complete with the bionical irradiation structure of batswing tab of the application
It is complete different.Photon crystal structure is not used in this patent.This patent application is single antenna, and the application is by photonic crystal
The bionical miniature antenna of batswing tab, array antenna is formed according to cross Fractal array structural arrangement.
The technology of the application has used the bionical irradiation structure of batswing tab, and it is by multipair micro-strip open-circuit line symmetrical dipole and micro-strip
Short-circuit line collectively constitutes.The capacitive reactance of micro-strip open-circuit line symmetrical dipole and the induction reactance of micro-strip short-circuit line mutually compensate for, so that respectively
Oscillator has similar input impedance and radiation impedance, ensure that each oscillator all obtains similar excitation and radiation, each oscillator
Working band is superimposed, and ensures that antenna has very wide working band.The application symmetrically shakes in each of the bionical miniature antenna of batswing tab
0.05mm × 0.05mm square-shaped metals region on sub- arm, all employ photon crystal structure, utilizes photon crystal structure
The working band of the further broadening antenna of photon band gap.
Although the bionical miniature antenna of photonic crystal batswing tab, which can be realized, is completely covered the second generation, the third generation, forth generation, the 5th
Generation Mobile Communication System, radio-frequency recognition system, ultra-wideband communication system working frequency range, but it is single antenna after all, is radiated
Finite energy, radiant energy distribution can cause aerial radiation intensity weaker on so wide working band.Multiple array-element antennas
Aerial array is formed by the method for group battle array, can effectively strengthen aerial radiation intensity.The application uses photonic crystal bat
The bionical miniature antenna of the wing forms fractal antenna array according to cross Fractal array structural arrangement, gives full play to a point shape knot as array element
The advantages of structure self-similarity, while aerial radiation intensity is strengthened by group battle array, ensure that aerial array has larger work
Bandwidth.
The content of the invention
In view of this, the purpose of this utility model is to provide a kind of bionical ultra-wideband antenna structure of Fractal array, is passing through
While group battle array enhancing aerial radiation intensity, ensure that aerial array has larger bandwidth of operation.
The utility model is realized using following scheme：A kind of bionical ultra-wideband antenna structure of Fractal array, specifically includes base
Plate and the bionical radiation patch of Fractal array for being covered in the substrate front side；The bionical radiation patch of Fractal array is by 25
The aerial array that the bionical miniature antenna of photonic crystal batswing tab forms according to cross Fractal array structural arrangement.
Further, the size of the bionical miniature antenna of photonic crystal batswing tab be 2.0mm ± 0.01mm × 2.0mm ±
0.01mm。
Further, the bionical miniature antenna of photonic crystal batswing tab is made up of 9 pairs of Parallel Symmetric oscillators, and each pair is parallel right
Claim oscillator length be respectively 0.85mm ± 0.01mm, 0.70mm ± 0.01mm, 0.55mm ± 0.01mm, 0.40mm ±
0.01mm、0.25mm±0.01mm、0.40mm±0.01mm、0.55mm±0.01mm、0.70mm±0.01mm、0.85mm±
0.01mm。
Preferably, the resonance structure of the bionical miniature antenna of batswing tab is common by micro-strip open-circuit line symmetrical dipole and micro-strip short-circuit line
Composition.Lateral middle from two, the brachium of micro-strip open-circuit line symmetrical dipole gradually shortens, and its capacitive reactance gradually increases；Corresponding
Micro-strip short circuit line length gradually increases, and its induction reactance also gradually increases, and is mutually compensated for micro-strip open-circuit line symmetrical dipole capacitive reactance, so as to
So that each oscillator has similar input impedance and radiation impedance, it ensure that each oscillator all obtains similar excitation and radiation, respectively
The resonant frequency of oscillator approaches, working band superposition, so as to form the wide band radiation of antenna.
Further, the 0.05mm in each Parallel Symmetric oscillator arms of the bionical miniature antenna of photonic crystal batswing tab ×
0.05mm square-shaped metals region all employ photon crystal structure, and the photon crystal structure is opened in square-shaped metal region
Go out 2 rows 2 and arrange what totally 4 square holes formed, the size of each square hole is 0.01mm × 0.01mm.
Preferably, when using photon crystal structure on the bionical miniature antenna of batswing tab, by strict design, photon can be made
Photon band gap frequency caused by crystal is consistent with the operating center frequency of antenna, and at this moment part is prevented antenna in original by photon band gap
The energy radiation of operating center frequency, energy is set to be diffused into neighbouring frequency radiation, so as to add the frequency of antenna energy
Rate scope, increase the bandwidth of operation of antenna.
Further, the bionical radiation patch of the Fractal array uses cross Fractal array structure to be arranged as basic array
Structure, each small square area inside array place a bionical miniature antenna of photonic crystal batswing tab.
Further, the cross Fractal array structure uses the cross fractal structure of at least 2 ranks.
Particularly, the iterative process of cross fractal structure is：Its prototype structure is square, is divided into the row 9 of 3 row 3
Individual small square, the upper left corner, the lower left corner, the upper right corner, the small square in four, the lower right corner are cut out, are left the square of 5 deciles
Region, then obtain 1 rank cross fractal structure.5 square areas of 1 rank cross fractal structure are done into cross point shape again respectively to change
Generation, then obtain 2 rank cross fractal structures.Continue iteration according to the method, then can obtain high-order cross fractal structure.
Further, the geometric center position both sides of the bionical miniature antenna of each photonic crystal batswing tab are equipped with feed
Point.
Further, the substrate is low-loss microwave ceramics substrate, and its relative dielectric constant is 60-70.
Further, the substrate is shaped as rectangle, and size is 18mm ± 0.05mm × 18mm ± 0.05mm, thickness is
0.5mm±0.05mm。
Further, the material of the bionical radiation patch is copper, silver, gold or aluminium.
The utility model uses the bionical miniature antenna of batswing tab with broadband operation characteristic to be imitated as array element in batswing tab
Further increase Antenna Operation bandwidth using photon crystal structure on raw miniature antenna.By array-element antenna according to cross Fractal array knot
Structure rearranges aerial array, the advantages of giving full play to fractal structure self-similarity, strengthens an aerial radiation intensity passing through group battle array
While, ensure that aerial array has larger bandwidth of operation, obtain the Fractal array with excellent broadband operation characteristic
Bionical ultra-wideband antenna, realize to the second generation, third generation, forth generation, the 5th Generation Mobile Communication System, radio-frequency recognition system, super
The compatibility of wide-band communication system.
Antenna measured result shows that the working band scope of the utility model antenna is 0.728~12.739 GHz, work
With a width of 12.011 GHz, bandwidth octave is 17.49, and -10 dB are below in whole working band internal antenna return loss,
Return loss minimum value is -23.18 dB.Measured result shows that it is logical that antenna of the present utility model completely covers second generation movement
Believe the GHz of GSM standards 0.905~0.915,0.950~0.960 GHz, 1.710~1.785 GHz, 1.805~1.880 GHz
Frequency range, the GHz of 3G (Third Generation) Moblie TD-SCDMA standards 1.880~1.920,2.010~2.025 GHz, 2.300~2.400
Ghz band, the GHz of 3G (Third Generation) Moblie WCDMA standards 1.920~1.980,2.110~2.170 ghz bands, forth generation
The ghz band of mobile communication TD-LTE standards 2.570~2.620, the GHz of the 5th third-generation mobile communication 3.300~3.400,4.400
~4.500 GHz, 4.800~4.990 GHz, tri- candidate's frequency ranges, the GHz of radio-frequency recognition system 0.902~0.928,2.400~
2.4835 GHz, 5.725~5.875 GHz, tri- conventional frequency ranges, the ghz band of ultra-wideband communication system 3.100~10.600.
With for GSM, radio-frequency recognition system, ultra-wideband communication system conventional aerial compared with, this practicality is new
The antenna of type has the advantages of prominent and significant effect：Antenna size of the present utility model is only mm × 0.5 of 18 mm × 18
Mm, less than a quarter of conventional aerial size, there is unique advantage in terms of miniaturization；Antenna of the present utility model is with one
Very wide working frequency range completely covers the second generation to the 5th Generation Mobile Communication System, radio-frequency recognition system, ultra-wideband communications system
System working frequency range, antenna performance are far superior to the conventional ultra-wideband antenna that the mode being superimposed with multiple working frequency range realizes covering；
The bandwidth octave of antenna of the present utility model is up to 17.49, and low-frequency range radiance is preferable, solves conventional ultra-wideband antenna
It is more difficult below the 2GHz band operations the problem of.
Brief description of the drawings
Fig. 1 is the iterative process of cross fractal structure in the utility model embodiment.
Fig. 2 is the structure of the bionical miniature antenna of photonic crystal batswing tab in the utility model embodiment.
Fig. 3 is the bionical radiation patch structural representation of Fractal array in the utility model embodiment.
Fig. 4 is the return loss (S of the utility model embodiment11) performance map.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is described further to the utility model.
A kind of bionical ultra-wideband antenna structure of Fractal array is present embodiments provided, substrate is specifically included and is covered in described
The bionical radiation patch of Fractal array of substrate front side；The bionical radiation patch of Fractal array is by 25 photonic crystal batswing tabs
The aerial array that bionical miniature antenna forms according to cross Fractal array structural arrangement.
In the present embodiment, the size of the bionical miniature antenna of photonic crystal batswing tab is 2.0mm ± 0.01mm × 2.0mm
±0.01mm。
As shown in Fig. 2 in the present embodiment, the bionical miniature antenna of photonic crystal batswing tab is by 9 pairs of Parallel Symmetric oscillators
Form, the length of each pair Parallel Symmetric oscillator be respectively 0.85mm ± 0.01mm, 0.70mm ± 0.01mm, 0.55mm ±
0.01mm、0.40mm±0.01mm、0.25mm±0.01mm、0.40mm±0.01mm、0.55mm±0.01mm、0.70mm±
0.01mm、0.85mm±0.01mm。
Preferably, in the present embodiment, the resonance structure of the bionical miniature antenna of batswing tab by micro-strip open-circuit line symmetrical dipole and
Micro-strip short-circuit line collectively constitutes.Lateral middle from two, the brachium of micro-strip open-circuit line symmetrical dipole gradually shortens, and its capacitive reactance gradually increases
Greatly；Corresponding micro-strip short circuit line length gradually increases, and its induction reactance also gradually increases, with micro-strip open-circuit line symmetrical dipole capacitive reactance
Mutually compensate for, so that each oscillator has similar input impedance and radiation impedance, it is similar to ensure that each oscillator all obtains
Excitation and radiation, the resonant frequency of each oscillator approach, working band superposition, so as to form the wide band radiation of antenna.
In the present embodiment, in each Parallel Symmetric oscillator arms of the bionical miniature antenna of photonic crystal batswing tab
0.05mm × 0.05mm square-shaped metals region all employ photon crystal structure, and the photon crystal structure is in square gold
Category region outputs 2 rows 2 and arranges what totally 4 square holes formed, and the size of each square hole is 0.01mm × 0.01mm.
Preferably, in the present embodiment, when using photon crystal structure on the bionical miniature antenna of batswing tab, by strictly setting
Meter, can make photon band gap frequency caused by photonic crystal consistent with the operating center frequency of antenna, and at this moment photon band gap is by portion
Divide prevention antenna to be radiated in the energy of former operating center frequency, energy is diffused into neighbouring frequency radiation, so as to add day
The frequency range of beta radiation energy, increase the bandwidth of operation of antenna.
In the present embodiment, the bionical radiation patch of the Fractal array uses cross Fractal array structure as basic array
Arrangement, each small square area inside array place a bionical miniature antenna of photonic crystal batswing tab.
In the present embodiment, the cross Fractal array structure uses the cross fractal structure of at least 2 ranks.
Particularly, as shown in figure 1, in the present embodiment, the iterative process of cross fractal structure is：Its prototype structure is just
It is square, 3 row, 3 row, 9 small squares are divided into, the upper left corner, the lower left corner, the upper right corner, the four small square in the lower right corner are dug
Go, be left the square area of 5 deciles, then obtain 1 rank cross fractal structure.By 5 squares of 1 rank cross fractal structure
Cross fractal iteration is done in region again respectively, then obtains 2 rank cross fractal structures.Continue iteration according to the method, then can obtain
High-order cross fractal structure.
In the present embodiment, the geometric center position both sides of the bionical miniature antenna of each photonic crystal batswing tab are equipped with
Distributing point.
In the present embodiment, the substrate is low-loss microwave ceramics substrate, and its relative dielectric constant is 60-70.
In the present embodiment, the substrate is shaped as rectangle, and size is 18mm ± 0.05mm × 18mm ± 0.05mm, thick
Spend for 0.5mm ± 0.05mm.
In the present embodiment, the material of the bionical radiation patch is copper, silver, gold or aluminium.
More specifically, as shown in figure 3, the present embodiment be provided with substrate and be covered in substrate front side Fractal array it is bionical
Radiation patch.The present embodiment use size be 18mm ± 0.05mm × 18mm ± 0.05mm 2 rank cross fractal structures as base
This array arrangement structure, the small square area that 25 sizes are 2mm × 2mm inside it place a photonic crystal batswing tab
Bionical miniature antenna, form the bionical radiation patch of Fractal array.
The size of each bionical miniature antenna of photonic crystal batswing tab is 2.0mm ± 0.01mm × 2.0mm ± 0.01mm, it by
9 pairs of Parallel Symmetric oscillators are formed, the length of each pair Parallel Symmetric oscillator be respectively 0.85mm ± 0.01mm, 0.70mm ±
0.01mm、0.55mm±0.01mm、0.40mm±0.01mm、0.25mm±0.01mm、0.40mm±0.01mm、0.55mm±
0.01mm、0.70mm±0.01mm、0.85mm±0.01mm.Each Parallel Symmetric of the bionical miniature antenna of photonic crystal batswing tab shakes
0.05mm × 0.05mm square-shaped metals region on sub- arm, all employ photon crystal structure, and the structure is in square gold
Category region outputs 2 rows 2 and arranges what totally 4 square holes formed, and the size of each square hole is 0.01mm × 0.01mm.
Antenna substrate is low-loss microwave ceramics substrate, and its relative dielectric constant is 60-70, and substrate is shaped as rectangle,
Size is 18mm ± 0.05mm × 18mm ± 0.05mm, and thickness is 0.5mm ± 0.05mm.
Fig. 4 gives the return loss (S of the present embodiment11) performance map.From fig. 4, it can be seen that measured result is shown, this reality
The working band scope for applying the antenna of example is 0.728~12.739 GHz, and bandwidth of operation is 12.011 GHz, and bandwidth octave is
17.49, -10 dB are below in whole working band internal antenna return loss, return loss minimum value is -23.18 dB.Actual measurement
As a result show, this antenna completely covers the GHz of Generation Mobile Telecommunication System GSM standards 0.905~0.915,0.950~
0.960 GHz, 1.710~1.785 GHz, 1.805~1.880 ghz bands, 3G (Third Generation) Moblie TD-SCDMA standards
1.880~1.920 GHz, 2.010~2.025 GHz, 2.300~2.400 ghz bands, 3G (Third Generation) Moblie WCDMA systems
The GHz of formula 1.920~1.980,2.110~2.170 ghz bands, forth generation mobile communication TD-LTE standards 2.570~2.620
Ghz band, the GHz of the 5th third-generation mobile communication 3.300~3.400,4.400~4.500 GHz, 4.800~4.990 GHz tri-
Candidate's frequency range, the GHz of radio-frequency recognition system 0.902~0.928,2.400~2.4835 GHz, 5.725~5.875 GHz tri-
Conventional frequency range, the ghz band of ultra-wideband communication system 3.100~10.600, and meet small size, low thickness, low echo damage simultaneously
Consumption, the requirement of big bandwidth of operation, it can realize and the second generation, the third generation, forth generation, the 5th Generation Mobile Communication System, radio frequency are known
Other system, the compatibility of ultra-wideband communication system.
It is noted that it these are only a preferable embodiment in the utility model embodiment.But this practicality
It is new to be not limited to the embodiment above, all any equivalent changes done by the utility model and modification, it is caused
Function without departing from this programme scope when, belong to the scope of protection of the utility model.
Claims (10)
- A kind of 1. bionical ultra-wideband antenna structure of Fractal array, it is characterised in that：Including substrate and it is covered in the substrate front side The bionical radiation patch of Fractal array；The bionical radiation patch of Fractal array is by the bionical small day of 25 photonic crystal batswing tabs The aerial array that line forms according to cross Fractal array structural arrangement.
- A kind of 2. bionical ultra-wideband antenna structure of Fractal array according to claim 1, it is characterised in that：The photon is brilliant The size of the bionical miniature antenna of body batswing tab is 2.0mm ± 0.01mm × 2.0mm ± 0.01mm.
- A kind of 3. bionical ultra-wideband antenna structure of Fractal array according to claim 1, it is characterised in that：The photon is brilliant The bionical miniature antenna of body batswing tab is made up of 9 pairs of Parallel Symmetric oscillators, the length of each pair Parallel Symmetric oscillator be respectively 0.85mm ± 0.01mm、0.70mm±0.01mm、0.55mm±0.01mm、0.40mm±0.01mm、0.25mm±0.01mm、0.40mm± 0.01mm、0.55mm±0.01mm、0.70mm±0.01mm、0.85mm±0.01mm。
- A kind of 4. bionical ultra-wideband antenna structure of Fractal array according to claim 3, it is characterised in that：The photon is brilliant 0.05mm × 0.05mm square-shaped metals region in each Parallel Symmetric oscillator arms of the bionical miniature antenna of body batswing tab uses Photon crystal structure, the photon crystal structure are to output 2 rows 2 in square-shaped metal region to arrange totally 4 square holes compositions , the size of each square hole is 0.01mm × 0.01mm.
- A kind of 5. bionical ultra-wideband antenna structure of Fractal array according to claim 1, it is characterised in that：Described point of shape battle array Arrange bionical radiation patch and use cross Fractal array structure as basic array arrangement, each small pros inside array Place a bionical miniature antenna of photonic crystal batswing tab in shape region.
- A kind of 6. bionical ultra-wideband antenna structure of Fractal array according to claim 5, it is characterised in that：The cross point Shape array structure uses the cross fractal structure of at least 2 ranks.
- A kind of 7. bionical ultra-wideband antenna structure of Fractal array according to claim 1, it is characterised in that：Each light The geometric center position both sides of the sub- bionical miniature antenna of crystal batswing tab are equipped with distributing point.
- 8. the bionical ultra-wideband antenna structure of a kind of Fractal array according to claim 1,2,3,4,5,6 or 7, its feature exist In：The substrate is low-loss microwave ceramics substrate, and its relative dielectric constant is 60-70.
- 9. the bionical ultra-wideband antenna structure of a kind of Fractal array according to claim 1,2,3,4,5,6 or 7, its feature exist In：The substrate is shaped as rectangle, and size is 18mm ± 0.05mm × 18mm ± 0.05mm, and thickness is 0.5mm ± 0.05mm.
- 10. the bionical ultra-wideband antenna structure of a kind of Fractal array according to claim 1,2,3,4,5,6 or 7, its feature It is：The material of the bionical radiation patch is copper, silver, gold or aluminium.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108091996A (en) * | 2018-01-30 | 2018-05-29 | 厦门大学嘉庚学院 | Trapezoidal more compound ultra-wide band antennas of seam-hexagonal array and preparation method thereof |
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2017
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106981723B (en) * | 2017-05-26 | 2023-05-05 | 厦门大学嘉庚学院 | Fractal array bionic ultra-wideband antenna |
| CN108091996A (en) * | 2018-01-30 | 2018-05-29 | 厦门大学嘉庚学院 | Trapezoidal more compound ultra-wide band antennas of seam-hexagonal array and preparation method thereof |
| CN108091996B (en) * | 2018-01-30 | 2023-05-05 | 厦门大学嘉庚学院 | Trapezoid multi-slit-hexagonal array composite ultra-wideband antenna and manufacturing method thereof |
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