CN208226087U - A kind of ultra-wideband antenna with three trap characteristics - Google Patents
A kind of ultra-wideband antenna with three trap characteristics Download PDFInfo
- Publication number
- CN208226087U CN208226087U CN201820775941.6U CN201820775941U CN208226087U CN 208226087 U CN208226087 U CN 208226087U CN 201820775941 U CN201820775941 U CN 201820775941U CN 208226087 U CN208226087 U CN 208226087U
- Authority
- CN
- China
- Prior art keywords
- ultra
- feed line
- microstrip feed
- radiation patch
- wideband antenna
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of ultra-wideband antennas with three trap characteristics, including medium substrate, radiation patch, microstrip feed line and truncate earth plate, radiation patch and microstrip feed line are printed on the front of the medium substrate, truncate the back side that earth plate is printed on medium substrate；Radiation patch is to be extended outwardly the second order fractal structure of iteration using regular polygon along each side；Microstrip feed line is connected with the bottom of radiation patch, and on the corresponding fluting for overlapping truncation earth plate；The top two sides for truncating earth plate are formed with symmetrically arranged corner cut portion.The utility model, as radiation patch, realizes the miniaturization of ultra-wideband antenna using fractal structure；Stopband is generated by way of slotting and introducing barb-type minor matters, effectively filter out the interference of different narrow band signals, realize the compatible communication for coordination of radio ultra wide band system Yu other narrow-band communication systems, have the advantages that miniaturization, structure is simple, radiation characteristic is good, strong antijamming capability, practical value with higher.
Description
Technical field
The utility model belong to wireless telecommunications technical field more particularly to a kind of ultra wide band day with three trap characteristics
Line.
Background technique
Super-broadband tech because having many advantages, such as that transmission rate is high, low in energy consumption, high resolution, be widely used in radar remote sensing and
Military communication field.From 2002 Federal Communications Commission (FCC) the ultra wide band frequency band of 3.1~10.6GHz is divided into
Behind commercial communication field, super-broadband tech is even more to cause paying close attention to for academia and business circles.Ultra-wideband antenna is as system
The quality of the core component of system, performance directly affects the transmission quality of whole system.
Since the frequency range that radio ultra wide band system occupies is extremely wide, wherein including many narrow-band communication systems, such as 3.3-
The WLAN (Worldwide Interoperability for Microwave Access, WiMAX) of 3.6GHz,
The C-band satellite communication of 3.7-4.2GHz and the X-band satellite communication system of 7.25-7.75GHz.These narrowband systems can not be kept away
Electromagnetic interference is generated between meeting and radio ultra wide band system with exempting from.In order to avoid the interference of these narrow band signals, needs to design to have and fall into
The ultra-wideband antenna of wave property, meanwhile, it is increasingly minimized and the requirement of portability, realization ultra-wide to meet current electronic product
Miniaturization Design with antenna is current research hotspot both domestic and external.
In order to avoid electromagnetic interference existing between radio ultra wide band system and narrowband systems, traditional method is in ultra wide band system
Bandstop filter is introduced in system, but this undoubtedly increases the volume, design complexities and cost of system.Another simple method
It is the introducing trap structure in ultra-wideband antenna structure, such as is etched not on the radiating element, feeder line or earth plate of antenna
The slot of similar shape or introducing parasitic element etc..Such as bibliography " Modified sierpinski square fractal
Antenna covering ultra-wide band application with band notch characteristics,
Choukiker Y, Behera S, IET Microwaves Antennas& Propagation, 2014,8 (7): 506-512 "
A kind of ultra-wideband antenna with single trap characteristic of middle proposition, antenna are made using improved Sierpinski Rectangle Fractal structure
To generate the trap characteristic of 5-6GHz by opening inverted U-channel at feeder line as radiating element, the overall dimensions of antenna are 34*
34*1.6mm3, but the antenna only filtered out mono- frequency range narrow band signal of WLAN interference and physical size it is larger.For another example " electricity
Son and information journal " 2017 years the 6th phase page number 1520-1524 " the improvement Sierpinski with trap characteristic divides shape ultra-wide
In band antenna " article, Hu Zhangfang, Hu Yinping, Luo Yuan propose a kind of ultra-wideband antenna with single trap characteristic, and antenna uses
For improved 4 rank Sierpinski diamond shape fractal structure as radiating element, feeding classification is coplanar wave guide feedback, earth plate two
Block is located at the trapezoidal sheet metal of feeder line two sides, produces center frequency by introducing symmetrical L shape open circuit minor matters in radiating element two sides
Rate is the trap characteristic of 5.5GHz, and the smaller antenna size is only 16*30*1.6mm3, but can only also filter out mono- frequency range of WLAN
Narrow band signal.
For another example patent name be a kind of double trap UWB antennas of square with U-lag, application No. is
201510933667.1 Chinese patent proposes a kind of ultra-wideband antenna with double trap characteristics, and the antenna is by square
The ground plane of radiating element and coplanar wave guide feedback composition, by opening U-lag, radiating element two sides on square radiating element
The method for introducing helical resonator generates double trap characteristics, and the physical size of antenna is 42*42*0.924mm3, same physics ruler
It is very little larger, it is not easy to integrate.
Utility model content
Based on the above the deficiencies in the prior art, the technical issues of the utility model is solved, is to provide a kind of structure letter
The ultra-wideband antenna with three trap characteristics single, size is small, performance is stable, can filter out the interference of different narrow band signals.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions: the utility model provides
A kind of ultra-wideband antenna with three trap characteristics, including medium substrate, radiation patch, microstrip feed line and truncation earth plate, institute
The front that radiation patch and microstrip feed line are printed on the medium substrate is stated, the truncation earth plate is printed on the medium base
The back side of plate；
The radiation patch is to be extended outwardly the second order fractal structure of iteration using regular polygon along each side, in radiation patch
Portion and top, which are equipped with, slots and introduces parasitic minor matters；
The microstrip feed line is connected with the bottom of the radiation patch, and corresponding overlaps the truncation earth plate
Fluting on and microstrip feed line on be provided with notching construction；
The middle and upper part for truncating earth plate opens up rectangular channel, and top two sides are formed with symmetrically arranged corner cut portion.
By upper, the ultra-wideband antenna with three trap characteristics of the utility model using fractal structure as radiation patch,
Realize the miniaturization of ultra-wideband antenna；It is generated in such a way that radiation patch introduces parasitic minor matters and setting microstrip feed line is slotted
Stopband can filter out the interference of different narrow band signals, realize the compatible association of radio ultra wide band system Yu other narrow-band communication systems
With communication；Have many advantages, such as that miniaturization, structure is simple, radiation characteristic is good, strong antijamming capability.
Embodiment as a preferred embodiment of the above technical solution, it is provided by the embodiment of the utility model that there are three trap characteristics
Ultra-wideband antenna further comprises some or all of following technical characteristic:
As an improvement of the above technical solution, in one embodiment of the utility model, the regular polygon is positive six
Side shape unit, and regular hexagon groove is offered in the middle part of the radiation patch；
Rectangular recess is offered at the top of the radiation patch, and a pair of symmetrical in the setting of the lower section of the rectangular recess
Barb-type minor matters.Optionally, the barb-type minor matters be located at the medium substrate central axes two sides and with the rectangular recess
It is connected.
By upper, the self similarity of fractal structure is utilized as radiation patch through Second Order Iterative fractal structure using regular hexagon
Characteristic and the effective spreading antenna bandwidth of space filling properties simultaneously reduce antenna size；Regular hexagon and rectangle are opened up in radiation patch
Antenna surface current distribution characteristic can be changed in groove, increases antenna surface current path, the low-frequency range bandwidth of extended antenna；It introduces
Symmetrical barb-type branch can produce stopband characteristic and straight hook length and hook length by adjusting barb-type minor matters are neatly adjusted
The centre frequency and bandwidth of whole trap.
In addition, the side length of the regular hexagon unit is 2.2mm, institute in specific embodiment of the utility model mode
The side length for stating regular hexagon groove is 6.2-6.8mm.A length of 2.8-3.2mm of the rectangular recess, width 1.8-2.2mm.Institute
The straight hook length for stating barb-type minor matters is 9-11mm, hook length 3-4mm.
In one embodiment of the utility model, the microstrip feed line is the microstrip feed line that characteristic impedance is 50 Ω, institute
The length for stating microstrip feed line is 6.2-6.5mm, width 2.89mm；
Etching is formed with inverted U-shaped narrow slot on the microstrip feed line, and the inverted U-shaped narrow slot is downward by the top of microstrip feed line
Extend, the gap width of inverted U-shaped narrow slot is 0.4mm.
By upper, inverted U-shaped narrow slot is etched on microstrip feed line and generates another trap frequency, by adjusting the shape of falling U narrow slot
Width, length and parameters realize good trap characteristic at a distance from feed port etc., adjustment process is flexible.
In addition, generating trap characteristic, structure letter using the method for introducing symmetrical barb-type minor matters and opening inverted U-shaped narrow slot
It is single, it is designed instead of filter, reduces design cost and complexity, it is easy to process, it is easy to produce.
In one embodiment of the utility model, the fluting for truncating earth plate, which is located at, to be truncated in earth plate
Portion, and it is located at the underface of the microstrip feed line, and of same size, the fluting of the width of the fluting and the microstrip feed line
Length be 4-5mm.
As an improvement of the above technical solution, the horizontal length in the corner cut portion for truncating earth plate is 4-5mm, corner cut portion
Vertical length be 4-5mm.
By upper, using truncation earth plate structure, and at the top of earth plate, rectangle is opened in two sides excision triangle corner, middle and upper part
Slot, the structure can produce gradual change resonance characteristic, and antenna is made to generate smooth transition from a mode of resonance to another mode of resonance, from
And further increase antenna performance.
In one embodiment of the utility model, the medium substrate with a thickness of 1.6mm, the length of medium substrate and
Width is respectively 25mm and 18mm.
By upper, using planarization structure, size is smaller, compact-sized, is easy to implement integrated with RF front-end circuit.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and being implemented in accordance with the contents of the specification, and in order to allow the above and other purpose, feature of the utility model
It can be more clearly understood with advantage, below in conjunction with preferred embodiment, and cooperate attached drawing, detailed description are as follows.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, the attached drawing of embodiment will be made below simple
Ground introduction.
Fig. 1 is the structure chart of the ultra-wideband antenna with three trap characteristics of the preferred embodiment in the utility model；
Fig. 2 is the Facad structure figure of the ultra-wideband antenna with three trap characteristics of the preferred embodiment in the utility model；
Fig. 3 is the backside structure figure of the ultra-wideband antenna with three trap characteristics of the preferred embodiment in the utility model；
Fig. 4 is point shape of the radiation patch of the ultra-wideband antenna with three trap characteristics of the preferred embodiment in the utility model
Structure chart；
Fig. 5 is the return loss plot of the ultra-wideband antenna with three trap characteristics of the preferred embodiment in the utility model
Figure；
Fig. 6 is the peak gain curve of the ultra-wideband antenna with three trap characteristics of the preferred embodiment in the utility model
Figure；
Fig. 7 a and Fig. 7 b are the ultra-wideband antennas with three trap characteristics of the utility model in the radiation side of different frequent points
Xiang Tu.
Specific embodiment
The specific embodiment that according to the present invention will be described in detail below with reference to the accompanying drawings, as part of this specification,
Illustrate that the principles of the present invention, other aspect, feature and its advantages of the utility model are detailed by this by embodiment
Illustrate to become apparent.In the attached drawing of institute's reference, the same or similar component is used identical attached in different figures
Figure grade indicates.
As shown in figs. 1-7, the ultra-wideband antenna with three trap characteristics of the utility model include medium substrate 10,
Radiation patch 20, microstrip feed line 30 and truncation earth plate 40, the radiation patch 20 and microstrip feed line 30 are printed on medium substrate 10
Front, truncate earth plate 40 and be printed on the back side of the medium substrate 10.As shown in figure 4, radiation patch 20 uses positive six side
Shape extends outwardly the second order fractal structure of iteration along each side, and the radiation patch 20 of fractal structure is formed by the way of following: will
Basic regular polygon structure is reduced with scale factor k or with the identical size of equal proportion, and is extending outwardly one just along each side
Polygon forms single order and divides shape；By single order divide shape with scale factor k reduce or with the identical size of equal proportion, and along each side after
The continuous regular polygon that extends outwardly respectively obtains second order fractal structure, and scale factor k is less than 1, such as k=0.5.It is practical at this
In novel preferred embodiment, basic regular polygon is positive hexagonal cells, and the side length of regular hexagon unit is 2.2mm.
Regular hexagon and rectangular recess are cut out in radiation patch 20, regular hexagon groove 22 is located at the center of radiation patch 20,
Rectangular recess 21 is located at the top of radiation patch 20, and the position of regular hexagon and rectangular recess is as illustrated in fig. 1 and 2, wherein positive six
The side length of side connected in star 22 is 6.2-6.8mm, and the side length of regular hexagon groove 22 is preferably 6.5mm, rectangular recess 21 it is a length of
2.8-3.2mm, width 1.8-2.2mm, it is preferable that a length of 3mm of rectangular recess 21, width 2mm.In addition, in radiation patch
Symmetrical barb-type minor matters 23 are introduced on 20, the position of barb-type minor matters 23 is as shown in Fig. 2, be arranged in the rectangular recess 21
Lower section, and be located at the central axes two sides of the medium substrate 10 and be connected with the rectangular recess 21.Wherein, barb-type minor matters 23
Straight hook length be 9-11mm, hook length 3-4mm, the crotches of barb-type minor matters 23 is towards the central axes backwards to medium substrate 10
Direction bending, the straight hook length of barb-type minor matters 23 is set to 10mm, hook length is set to 3.5mm.
The bottom of radiation patch 20 is connected with the microstrip feed line 30 that characteristic impedance is 50 Ω, the length of the microstrip feed line 30
Degree is 6.2-6.5mm, width 2.89mm.It is etched with inverted U-shaped narrow slot 31 on microstrip feed line 30, and from microstrip feed line 30
Top extends downwardly, and gap position is as illustrated in fig. 1 and 2, gap width 0.4mm.Using the feed microstrip line of 50 Ω, in micro-strip
Etch inverted U-shaped narrow slot on line and generate another trap frequency, by adjusting the width of inverted U-shaped narrow slot, length and with feed
The parameters such as the distance of port realize good trap characteristic, and adjustment process is flexible.
Truncation earth plate 40 with two sides corner cut portion 41 and middle and upper part fluting 42 is printed under 10 back side of medium substrate
Side, microstrip feed line 30 are located at the front of medium substrate 10, the fluting of earth plate 40 are truncated on position and 10 back side of medium substrate
Position it is corresponding, and overlap on the fluting for truncating earth plate 40, the position in two sides corner cut portion 41 as shown in figure 3, its
In two corner cut portions 41 be symmetrical arranged, the corner triangular in shape of corner cut portion 41, it will be appreciated that ground, the corner cut portion 41 or arc are cut
Angle or other shapes etc..The setting in corner cut portion 41 can improve the impedance matching property of antenna, and the horizontal length in corner cut portion 41 is 4-
5mm, the vertical length in corner cut portion are 4-5mm, it is preferable that the horizontal length in corner cut portion 41 is 4.2mm, and vertical length is
4.5mm, and after cutting off on truncating earth plate 40 between the vertex that is formed and a vertical edge by subapical fluting away from
From for 2.5-2.8mm.The position of the fluting 42 of earth plate 40 is truncated as shown in figure 3, fluting is located in truncation earth plate 40
Portion, and it is located at the underface of the microstrip feed line 30, and of same size, the width of the width of the fluting and the microstrip feed line 30
It is 2.89mm, the length of the fluting is 4-5mm, wherein the length of fluting 42 is preferably 4.5mm.It is connect using truncation as above
The structure on floor 40 can produce gradual change resonance characteristic, and antenna is made to generate steady mistake from a mode of resonance to another mode of resonance
It crosses, to further increase the performance of antenna.
Ultra-wideband antenna in the present embodiment is printed on the FR4 asphalt mixtures modified by epoxy resin of length and width, thick respectively 25mm, 18mm, 1.6mm
On the medium substrate 10 of rouge material, the relative dielectric constant of medium substrate 10 is 4.4, and dielectric loss tangent value is 0.024.
In order to further illustrate the good performance of ultra-wideband antenna with three trap characteristics of the utility model, electricity is utilized
Magnetic simulation software HFSS has carried out the modeling and simulating of radiofrequency characteristics to the utility model.
Referring to Fig. 5, the bandwidth of the ultra-wideband antenna return loss less than -10dB of the utility model is 2.8-11.6GHz,
Ultra wide band frequency range as defined in FCC is fully met, and generates preferable fall into 3.27-4.27GHz, 7.2-8GHz frequency range
Wave property can effectively filter out three kinds of WiMAX, C-band satellite and X-band satellite narrow band signal bring electromagnetic interferences.
Referring to Fig. 6, the gain in passband frequency range of the ultra-wideband antenna of the utility model is basically stable between 4-6dBi,
Gain is decreased obviously at trap frequency, reduces about 8dBi or more than passband band gain, this shows the antenna in trap frequency
It can hardly work normally, produce good trap effect.
Referring to Fig. 7, radiation side of the ultra-wideband antenna in 3GHz, 6GHz, 9GHz in the utility model embodiment is provided
Xiang Tu.By Fig. 7 a it is found that the directed radiation that shape is " 8 " word is presented in the face the E directional diagram of antenna, by Fig. 7 b it is found that the face side antenna H
It is approximate circle to scheming, omnidirectional radiation characteristic is presented, which all has preferable omnidirectional radiation characteristic in entire passband frequency range.
The above simulation analysis shows that the bandwidth of the utility model antenna is 2.8-11.8GHz, and bandwidth of operation is fully met
The ultra wideband frequency range of 3.1-10.6GHz has preferable stopband special in two frequency ranges of 3.27-4.27GHz, 7.2-8GHz
Property, WiMAX (3.3-3.6GHz), C-band satellite (3.7-4.2GHz) and X-band satellite (7.25- can be filtered out simultaneously
7.75GHz) the electromagnetic interference that three narrow-band communication systems generate, and in passband frequency range with basicly stable peak gain and
Omnidirectional radiation characteristic, so that the antenna has bigger practical value.
The ultra-wideband antenna with three trap characteristics that above-described embodiment discloses has that miniaturization, structure be simple, radiation spy
Property good, strong antijamming capability, steady performance realize ultra-wideband antenna using fractal structure as radiation patch 20
Miniaturization, generate stopband by way of slotting and introducing parasitic minor matters (barb-type minor matters), filtered out WIMAX, C-band is defended
The interference of three kinds of narrow band signals of star and X-band satellite realizes the compatible of radio ultra wide band system and other narrow-band communication systems
Communication for coordination.In addition, by the parameter of the straight hook and hook length and inverted U-shaped narrow slot 31 that adjust barb-type minor matters 23, it can
The centre frequency and bandwidth of trap is adjusted flexibly, there is trap adjustable characteristic.Divide shape knot through Second Order Iterative using regular hexagon
Structure as radiation patch 20, using fractal structure the effective spreading antenna bandwidth of self-similarity nature and space filling properties and reduce
Antenna size.Regular hexagon and rectangular recess are cut out in radiation patch 20 and introduces symmetrical barb-type minor matters 23, very big
Change antenna surface current distribution characteristic in degree, increases antenna surface current path, day while generating trap frequency
Line expansion low-frequency section bandwidth.The antenna ground plate of the utility model, which uses, truncates 40 structure of earth plate, and two at the top of earth plate
Lateral incision opens rectangular channel except triangle corner, middle and upper part, which can produce gradual change resonance characteristic, make antenna from a mode of resonance
Smooth transition is generated to another mode of resonance, to further increase antenna performance.In addition, the utility model is symmetrical using introducing
Barb-type minor matters 23 and open inverted U-shaped narrow slot 31 method generate trap characteristic, structure is simple, designed instead of filter,
Design cost and complexity are reduced, easy to process, easy to produce, using planarization structure, size is smaller, and it is compact-sized, it is convenient for
It realizes integrated with RF front-end circuit.
The above is preferred embodiments of the present invention, certainly cannot with this come limit the utility model it
Interest field, it is noted that for those skilled in the art, in the premise for not departing from the principle of the invention
Under, several improvement and variation can also be made, these, which improve and change, is also considered as the protection scope of the utility model.
Claims (10)
1. a kind of ultra-wideband antenna with three trap characteristics, including medium substrate (10), radiation patch (20), microstrip feed line
(30) and earth plate (40) are truncated, it is characterised in that:
The radiation patch (20) and microstrip feed line (30) are printed on the front of the medium substrate (10), the truncation ground connection
Plate (40) is printed on the back side of the medium substrate (10)；
The radiation patch (20) is to be extended outwardly the second order fractal structure of iteration using regular polygon along each side；
The microstrip feed line (30) is connected with the bottom of the radiation patch (20), and it is corresponding overlap it is described truncation connect
On the fluting (42) on floor (40)；
The top two sides for truncating earth plate (40) are formed with symmetrically arranged corner cut portion (41).
2. as described in claim 1 with the ultra-wideband antenna of three trap characteristics, which is characterized in that the regular polygon is positive
Hexagonal cells, and regular hexagon groove (22) are offered in the middle part of the radiation patch (20)；
It is offered rectangular recess (21) at the top of the radiation patch (20), and a pair of right in the setting of the lower section of the rectangular recess
The barb-type minor matters (23) of title.
3. as claimed in claim 2 with the ultra-wideband antenna of three trap characteristics, it is characterised in that: the barb-type minor matters
(23) it is located at the central axes two sides of the medium substrate (10) and is connected with the rectangular recess (21).
4. as described in claim 1 with the ultra-wideband antenna of three trap characteristics, it is characterised in that: the truncation earth plate
(40) fluting (42) is located at the middle and upper part for truncating earth plate (40), and is located at the underface of the microstrip feed line (30), and should
The width of fluting (42) is of same size with the microstrip feed line (30)；The length of the fluting (42) is 4-5mm.
5. as claimed in claim 2 with the ultra-wideband antenna of three trap characteristics, it is characterised in that: the regular hexagon unit
Side length be 2.2mm, the side length of the regular hexagon groove (22) is 6.2-6.8mm.
6. as claimed in claim 2 with the ultra-wideband antenna of three trap characteristics, it is characterised in that: the rectangular recess (21)
A length of 2.8-3.2mm, width 1.8-2.2mm.
7. as claimed in claim 3 with the ultra-wideband antenna of three trap characteristics, it is characterised in that: the barb-type minor matters
(23) straight hook length is 9-11mm, hook length 3-4mm.
8. as described in claim 1 with the ultra-wideband antenna of three trap characteristics, it is characterised in that: the microstrip feed line (30)
The microstrip feed line for being 50 Ω for characteristic impedance, the length of the microstrip feed line (30) are 6.2-6.5mm, width 2.89mm；
Etching is formed with inverted U-shaped narrow slot (31) on the microstrip feed line (30), and the inverted U-shaped narrow slot (31) is by microstrip feed line
(30) it is extended downwardly at the top of, the gap width of inverted U-shaped narrow slot (31) is 0.4mm.
9. as described in claim 1 with the ultra-wideband antenna of three trap characteristics, it is characterised in that: the truncation earth plate
(40) horizontal length in corner cut portion (41) is 4-5mm, and the vertical length in corner cut portion is 4-5mm.
10. as claimed in any one of claims 1-9 wherein with the ultra-wideband antenna of three trap characteristics, it is characterised in that: described
Medium substrate (10) with a thickness of 1.6mm, the length and width of medium substrate (10) is respectively 25mm and 18mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820775941.6U CN208226087U (en) | 2018-05-23 | 2018-05-23 | A kind of ultra-wideband antenna with three trap characteristics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820775941.6U CN208226087U (en) | 2018-05-23 | 2018-05-23 | A kind of ultra-wideband antenna with three trap characteristics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208226087U true CN208226087U (en) | 2018-12-11 |
Family
ID=64505569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820775941.6U Active CN208226087U (en) | 2018-05-23 | 2018-05-23 | A kind of ultra-wideband antenna with three trap characteristics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208226087U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110048218A (en) * | 2019-04-28 | 2019-07-23 | 中国电子科技集团公司第二十六研究所 | A kind of microstrip antenna with harmonic restraining function |
| CN110518343A (en) * | 2019-07-23 | 2019-11-29 | 西安电子科技大学 | Wide bandwidth base station antenna based on monopole minor structure |
| CN110994143A (en) * | 2019-11-19 | 2020-04-10 | 广东省电子电器研究所 | Antenna structure |
-
2018
- 2018-05-23 CN CN201820775941.6U patent/CN208226087U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110048218A (en) * | 2019-04-28 | 2019-07-23 | 中国电子科技集团公司第二十六研究所 | A kind of microstrip antenna with harmonic restraining function |
| CN110048218B (en) * | 2019-04-28 | 2023-04-25 | 中国电子科技集团公司第二十六研究所 | Microstrip antenna with harmonic suppression function |
| CN110518343A (en) * | 2019-07-23 | 2019-11-29 | 西安电子科技大学 | Wide bandwidth base station antenna based on monopole minor structure |
| CN110994143A (en) * | 2019-11-19 | 2020-04-10 | 广东省电子电器研究所 | Antenna structure |
| CN110994143B (en) * | 2019-11-19 | 2021-11-30 | 广东省电子电器研究所 | Antenna structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108767460A (en) | A kind of ultra-wideband antenna with three trap characteristics | |
| CN208226087U (en) | A kind of ultra-wideband antenna with three trap characteristics | |
| CN110474165A (en) | A kind of ultra-wideband antenna with double trap characteristics | |
| CN104934703A (en) | Ultra-broadband antenna capable of shielding various narrowband signal interferences | |
| CN110048228A (en) | One type Sierpinski fractal ultra wide band antenna | |
| CN102790266A (en) | UWB (Ultra Wide Band) double trapped-wave antenna | |
| CN209626421U (en) | One type Sierpinski fractal ultra wide band antenna | |
| CN203503783U (en) | Ultra wideband antenna possessing double trapped wave characteristics | |
| CN104916907A (en) | Ultra-wideband monopole antenna with three band rejection characteristics | |
| CN101777691A (en) | Slot printing monopole ultra-wideband antenna | |
| CN210897621U (en) | Novel ultra-wideband planar monopole antenna | |
| CN206271875U (en) | A kind of ultra-wideband antenna with three trap characteristics | |
| CN102570021A (en) | Trapped wave ultra-wide band antenna with triangular groove | |
| Pingale et al. | Design of elliptical microstrip antenna for ultra wide band applications | |
| CN112018510B (en) | Ultra-wideband antenna | |
| CN107834190B (en) | Small double-notch ultra-wideband antenna | |
| CN110556629A (en) | novel ultra-wideband planar monopole antenna | |
| CN210379419U (en) | Ultra-wideband antenna with double-trapped wave characteristic | |
| Shinde et al. | Design of triple band slot antenna for 802.11 a/b WLAN and upper UWB application using pentagon tuning stub | |
| Sun et al. | Dual band-notched ultra-wideband planar monopole antenna with M-and W-slots | |
| Subbarao et al. | A novel pot shaped CPW-fed slot antenna for ultra wideband applications | |
| CN112768945A (en) | Miniaturized teapot-shaped ultra-wideband antenna | |
| CN112103630A (en) | Ultra-wideband antenna with double trap characteristics | |
| CN113964534A (en) | Trapped wave ultra wide band antenna with two trapped wave characteristics | |
| Harani et al. | A Compact Ultrawideband Hexagonal Ring Slot Antenna with DGS For Future Mobile Communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |