CN107317101A - It is a kind of based on parasitic patch loading technique to heel Vivaldi antennas - Google Patents
It is a kind of based on parasitic patch loading technique to heel Vivaldi antennas Download PDFInfo
- Publication number
- CN107317101A CN107317101A CN201710368111.1A CN201710368111A CN107317101A CN 107317101 A CN107317101 A CN 107317101A CN 201710368111 A CN201710368111 A CN 201710368111A CN 107317101 A CN107317101 A CN 107317101A
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- China
- Prior art keywords
- parasitic patch
- radiating element
- medium substrate
- heel
- top layer
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- Waveguide Aerials (AREA)
Abstract
The invention discloses it is a kind of based on parasitic patch loading technique to heel Vivaldi antennas, including medium substrate, top layer radiating element, bottom radiating element and feed section, wherein, top layer radiating element is arranged at the upper surface of medium substrate, bottom radiating element is arranged at the lower surface of medium substrate, feed section is made up of the broadband feed Balun for being printed on medium substrate both sides, the size and structure all same of the top layer radiating element and bottom radiating element, top layer radiating element and bottom radiating element are symmetrically placed relative to the narrow side of medium substrate；Three parasitic patch are printed in the upper surface of medium substrate, two secondary parasitic patch are symmetric relative to middle main parasitic patch, and the shape of three parasitic patch is the rectangle that two ends are fined away.The present invention can reach the purpose for improving antenna gain and directionality by using the metallic parasitic paster of this kind of shape.
Description
Technical field
The present invention relates to the technical field of radio-frequency antenna, it is particularly a kind of based on parasitic patch loading technique to heel
Vivaldi antennas.
Background technology
Ultra-wideband antenna is a kind of passive device being widely used in wireless communications, and its index quality directly affects
The performance of whole system.In recent years, because communication system is to bandwidth, antijamming capability, data transmission rate demand is strong all the more, makees
For one of Key Passive Components in system, to the high gain requirements of ultra-wideband antenna also more and more higher.Common ultra wide band day
Line has Vivaldi antennas, log-periodic antenna etc..Using flush printed circuit plate technique it is relative to heel Vivaldi antennas with
For the ultra-wideband antenna of other stereochemical structures, with high directionality, low section, high-gain, be easy to and other active/passives electricity
The integrated advantage in road, is greatly paid close attention to.These features make to be applied to satellite remote sensing communication, battle array to heel Vivaldi antennas
Array antenna, in detecting over the ground.
Wherein, the key object that the gain to Vivaldi antennas of calling in person is even more research how is improved.To heel Vivaldi antennas
Core be to be printed on medium substrate both sides a pair, symmetrical along the narrow side central axis of medium substrate, edge is into smoothness index
The metallic conductor of type gradual change, feed uses micro-strip --- parallel wire feed structure.Because this feeding classification passes through gradual change shape
Microstrip line is transitioned into parallel wire by the balun of formula, it is possible to achieve the impedance bandwidth matching of antenna.With traditional Vivaldi antennas phase
Than there is lower input impedance to heel Vivaldi antennas, it is easy to match the coaxial line that characteristic impedance is 50 ohm, day
The voltage standing wave ratio of line is lower.Although exponential type gradient ramp is conducive to low-frequency impedance to match, high frequency is decreased simultaneously
Net long wave radiation electrical length, prevents high frequency electric from radiating completely.The division of antenna front end directional diagram, gain drop can so be caused
It is low, it have impact on the bandwidth of operation of antenna.
The content of the invention
The technical problems to be solved by the invention are to overcome the deficiencies in the prior art and provide one kind and added based on parasitic patch
Load technology to heel Vivaldi antennas, the present invention maintain it is original to heel Vivaldi antenna ultra wide band advantages on the premise of,
Add the gain of antenna.
The present invention uses following technical scheme to solve above-mentioned technical problem：
According to it is proposed by the present invention it is a kind of based on parasitic patch loading technique to heel Vivaldi antennas, including medium substrate, top
Layer radiating element, bottom radiating element and feed section, wherein, top layer radiating element is arranged at the upper surface of medium substrate, bottom
Layer radiating element is arranged at the lower surface of medium substrate, and feed section is by being printed on the broadband feed Baluns of medium substrate both sides
With connected feed port composition, top layer radiating element and bottom radiating element are connected with broadband feed Balun respectively, institute
The size and structure all same of top layer radiating element and bottom radiating element are stated, three parasitisms are printed in the upper surface of medium substrate
Paster, is main parasitic patch positioned at middle parasitic patch, the parasitic patch of both sides is secondary parasitic patch, two secondary parasitic patch
It is symmetric relative to middle main parasitic patch, the length of main parasitic patch is longer than secondary parasitic patch, two secondary parasitic patches
The equal length of piece.
As it is of the present invention it is a kind of based on parasitic patch loading technique to the further side of optimization of heel Vivaldi antennas
Case, the top layer radiating element and bottom radiating element use tapered slot structure.
As it is of the present invention it is a kind of based on parasitic patch loading technique to the further side of optimization of heel Vivaldi antennas
Case, parasitic patch is metal.
As it is of the present invention it is a kind of based on parasitic patch loading technique to the further side of optimization of heel Vivaldi antennas
Case, the medium substrate is cuboid, and the upper and lower surface of medium substrate is rectangle, top layer radiating element upright projection
It is relative on the most long axis of medium substrate lower surface to the shape of medium substrate lower surface and the shape of bottom radiating element
Claim.
As it is of the present invention it is a kind of based on parasitic patch loading technique to the further side of optimization of heel Vivaldi antennas
Case, the top layer radiating element and bottom radiating element are all using the design of exponential type tapered slot.
As it is of the present invention it is a kind of based on parasitic patch loading technique to the further side of optimization of heel Vivaldi antennas
Case, the thickness of the medium substrate is that 1.5mm, length are that 237mm, width are 144mm, and the width of the broadband feed Balun is
60mm。
As it is of the present invention it is a kind of based on parasitic patch loading technique to the further side of optimization of heel Vivaldi antennas
Case, the feed port is rectangle.
As it is of the present invention it is a kind of based on parasitic patch loading technique to the further side of optimization of heel Vivaldi antennas
Case, the broadband feed Balun is microstrip line parallel wire balun.
As it is of the present invention it is a kind of based on parasitic patch loading technique to the further side of optimization of heel Vivaldi antennas
Case, the material of the top layer radiating element, bottom radiating element and broadband feed Balun is copper.
As it is of the present invention it is a kind of based on parasitic patch loading technique to the further side of optimization of heel Vivaldi antennas
The rectangle for being shaped as two sharpening of case, main parasitic patch and secondary parasitic patch.
The present invention uses above technical scheme compared with prior art, with following technique effect：
（1）It is provided by the present invention based on parasitic patch loading technique to heel Vivaldi antennas, it is simple in construction, be easy to processing
Make, with low cost, the parasitic patch to heel Vivaldi antennas and as director is integrated in by the antenna in itself with antenna
On same medium substrate, design relatively simple；
（2）The antenna of the present invention can improve the phase distribution to Vivaldi antenna opening diametric planes of calling in person, and lift the gain of antenna, expand
Open up its application.
Brief description of the drawings
Fig. 1 is the stereogram to Vivaldi antennas of calling in person of the invention based on parasitic patch loading technique.
Fig. 2 is the front view to Vivaldi antennas of calling in person of the invention based on parasitic patch loading technique.
Fig. 3 is the left view to Vivaldi antennas of calling in person of the invention based on parasitic patch loading technique.
The antenna return loss characteristic schematic diagram that Fig. 4 is calculated for the present invention using HFSS softwares.
The antenna gain curve synoptic diagram that Fig. 5 is calculated for the present invention using HFSS softwares.
Fig. 6 is the E faces directional diagram at the 2GHz for the antenna that the present invention is calculated using HFSS softwares.
Fig. 7 is the E faces directional diagram at the 4GHz for the antenna that the present invention is calculated using HFSS softwares.
Fig. 8 is the E faces directional diagram at the 6GHz for the antenna that the present invention is calculated using HFSS softwares.
Reference in figure is construed to：1- top layer radiating elements, 2- bottom radiating elements, the main parasitic patch of 3-, 4- pairs
Parasitic patch, 5- feed Baluns, 6- medium substrates, 7- feed ports.
Embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1 to Figure 3, the present invention devise it is a kind of based on parasitic patch loading technique to heel Vivaldi antennas, including
Medium substrate 6, top layer radiating element 1 and bottom radiating element 2, top layer radiating element 1 are arranged at the upper surface of medium substrate 6,
Bottom radiating element 2 is arranged at the lower surface of medium substrate 6, and feed section is fed by the broadband for being printed on medium substrate both sides
Balun 5 and feed port 7 are constituted, and the effect of broadband feed Balun 5 is to form impedance transformer to make feed port 7 and antenna
Match.The size and structure all same of the top layer radiating element 1 and bottom radiating element 2, are all designed using tapered slot.
The upright projection of top layer radiating element 1 is to the shape of the lower surface of medium substrate 6 and the shape of bottom radiating element 2 on medium substrate
The most long axis of 6 lower surfaces is symmetrical.Three metallic parasitic pasters are printed in the upper surface of medium substrate 6.Middle main parasitism
The length of paster 3 parasitic patch 4 more secondary than both sides is long, two secondary equal lengths of parasitic patch 4 and relative to middle main parasitic patch 3
It is symmetrical.
Wherein, the present embodiment uses relative dielectric constant for 4.4, and thickness is used as medium base for 1.5mm printed circuit board
Plate, it would however also be possible to employ the printed circuit board of other specifications is not limited thereof as medium substrate, the present invention.Also, this hair
Top layer radiating element 1 and bottom radiating element 2 that bright antenna is used, broadband feed Balun 5, main parasitic patch 3 are secondary parasitic
Paster 4 is preferably copper sheet.
Preferably, the medium substrate uses dielectric constant for 4.4 FR4, and dielectric substrate thickness is 1.5mm,
Length is 237mm, and width is 144mm.
Preferably, the width of the feed Balun is 60mm.
Preferably, the top layer radiating element and bottom radiating element are connected with broadband feed Balun.Present in broadband
Electric balun is microstrip line parallel wire balun.
Preferably, the feed port is rectangle.
Preferably, top layer radiating element and bottom radiating element are designed using tapered slot.
Preferably, the most long axis of the main parasitic patch and two secondary parasitic patch along medium substrate upper surface
Line is symmetrical.
Preferably, the parasitic patch uses the rectangle that two is fined away.
Preferably, the top layer radiating element, bottom radiating element and broadband feed Balun material are copper.
The present invention to call in person Vivaldi antennas operation principle be：Based on parasitic patch loading technique to heel
In Vivaldi antennas, it is fed using feed Balun, wide band purpose is reached.The main parasitic patch and pair of antenna are parasitic
Coupling when paster can increase high frequency between top layer radiating element and bottom radiating element, makes electric current toward main parasitic patch and pair
Parasitic patch is concentrated, and reaches the purpose for improving gain and directionality.
As shown in figure 4, giving the present invention printed circuit to Vivaldi antennas of calling in person based on parasitic patch loading technique
When plate is that 4.4, thickness designs for 1.5mm according to relative dielectric constant, the antenna return loss characteristic calculated using HFSS softwares
Schematic diagram.From the figure 3, it may be seen that -10dB the impedance bandwidths of antenna are wider, about 1 to 8GHz.
As shown in figure 5, give the present invention based on parasitic patch loading technique to heel Vivaldi antennas 1 to 8GHz
Gain variation curve schematic diagram, as can be seen from the figure the antenna 3 to 8GHz gains in more than 9dB.
As shown in fig. 6, giving E at the 2GHz to Vivaldi antennas of calling in person of the present invention based on parasitic patch loading technique
Face directional diagram.
As shown in fig. 7, giving E at the 4GHz to Vivaldi antennas of calling in person of the present invention based on parasitic patch loading technique
Face directional diagram.
As shown in figure 8, giving E at the 6GHz to Vivaldi antennas of calling in person of the present invention based on parasitic patch loading technique
Face directional diagram.
To sum up, it is of the invention that relatively wide frequency can be realized to heel Vivaldi antennas based on parasitic patch loading technique
Band is interior to have good radiation characteristic, and antenna structure is simple, it is easy to processing and fabricating, and cost of manufacture is cheap.Therefore this hair
It is bright to have a wide range of applications.
Embodiments of the present invention are explained in detail above in conjunction with accompanying drawing, but the present invention is not limited to above-mentioned embodiment party
Formula, in the knowledge that those of ordinary skill in the art possess, can also make on the premise of present inventive concept is not departed from
Various change.
Claims (10)
1. it is a kind of based on parasitic patch loading technique to heel Vivaldi antennas, it is characterised in that including medium substrate, top layer
Radiating element, bottom radiating element and feed section, wherein, top layer radiating element is arranged at the upper surface of medium substrate, bottom
Radiating element is arranged at the lower surface of medium substrate, feed section by be printed on medium substrate both sides broadband feed Balun and
Connected feed port composition, top layer radiating element and bottom radiating element are connected with broadband feed Balun respectively, described
The size and structure all same of top layer radiating element and bottom radiating element, three parasitic patches are printed in the upper surface of medium substrate
Piece, is main parasitic patch positioned at middle parasitic patch, the parasitic patch of both sides is secondary parasitic patch, two secondary parasitic patch phases
It is symmetric for middle main parasitic patch, the length of main parasitic patch is longer than secondary parasitic patch, two secondary parasitic patch
Equal length.
2. it is according to claim 1 it is a kind of based on parasitic patch loading technique to heel Vivaldi antennas, its feature exists
In the top layer radiating element and bottom radiating element use tapered slot structure.
3. it is according to claim 1 it is a kind of based on parasitic patch loading technique to heel Vivaldi antennas, its feature exists
In parasitic patch is metal.
4. it is according to claim 1 it is a kind of based on parasitic patch loading technique to heel Vivaldi antennas, its feature exists
In the medium substrate is cuboid, and the upper and lower surface of medium substrate is rectangle, top layer radiating element upright projection
It is relative on the most long axis of medium substrate lower surface to the shape of medium substrate lower surface and the shape of bottom radiating element
Claim.
5. it is according to claim 1 it is a kind of based on parasitic patch loading technique to heel Vivaldi antennas, its feature exists
In the top layer radiating element and bottom radiating element are all using the design of exponential type tapered slot.
6. it is according to claim 1 it is a kind of based on parasitic patch loading technique to heel Vivaldi antennas, its feature exists
It is that 1.5mm, length are that 237mm, width are 144mm in the thickness of, the medium substrate, the width of the broadband feed Balun is
60mm。
7. it is according to claim 1 it is a kind of based on parasitic patch loading technique to heel Vivaldi antennas, its feature exists
In the feed port is rectangle.
8. it is according to claim 1 it is a kind of based on parasitic patch loading technique to heel Vivaldi antennas, its feature exists
In the broadband feed Balun is microstrip line parallel wire balun.
9. it is according to claim 1 it is a kind of based on parasitic patch loading technique to heel Vivaldi antennas, its feature exists
In the material of the top layer radiating element, bottom radiating element and broadband feed Balun is copper.
10. it is according to claim 1 it is a kind of based on parasitic patch loading technique to heel Vivaldi antennas, its feature exists
In the rectangle for being shaped as two sharpening of main parasitic patch and secondary parasitic patch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710368111.1A CN107317101A (en) | 2017-05-23 | 2017-05-23 | It is a kind of based on parasitic patch loading technique to heel Vivaldi antennas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710368111.1A CN107317101A (en) | 2017-05-23 | 2017-05-23 | It is a kind of based on parasitic patch loading technique to heel Vivaldi antennas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107317101A true CN107317101A (en) | 2017-11-03 |
Family
ID=60183899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710368111.1A Pending CN107317101A (en) | 2017-05-23 | 2017-05-23 | It is a kind of based on parasitic patch loading technique to heel Vivaldi antennas |
Country Status (1)
| Country | Link |
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| CN (1) | CN107317101A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946765A (en) * | 2017-11-21 | 2018-04-20 | 南京濠暻通讯科技有限公司 | A kind of high-gain Vivaldi array antennas for loading director |
| CN109768379A (en) * | 2017-11-10 | 2019-05-17 | 南京理工大学 | A kind of dual-linear polarization ultra wide band compact aerial |
| CN109904617A (en) * | 2019-01-25 | 2019-06-18 | 南京邮电大学 | Based on the frequency scanning leaky-wave antenna for loading high guarantor's transmission line that parasitic branch is formed |
| CN110752441A (en) * | 2019-09-09 | 2020-02-04 | 西安电子科技大学 | Transmit-receive antenna and hand-held type through-wall radar system |
| CN111193109A (en) * | 2020-03-02 | 2020-05-22 | 德州学院 | Vivaldi antenna integrated with self-packaging substrate and provided with suspension line |
| WO2020134474A1 (en) * | 2018-12-28 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Mobile terminal |
| CN111463567A (en) * | 2020-04-15 | 2020-07-28 | 西安朗普达通信科技有限公司 | Low RCS ultra-wideband Vivaldi antenna based on differential evolution algorithm |
| CN112952357A (en) * | 2021-01-22 | 2021-06-11 | 西安交通大学 | Plane combined pulse radiation antenna |
| CN112993553A (en) * | 2021-02-09 | 2021-06-18 | 维沃移动通信有限公司 | Antenna unit and antenna structure |
| WO2021227776A1 (en) * | 2020-05-12 | 2021-11-18 | 深圳市华信天线技术有限公司 | Patch antenna |
| CN114094326A (en) * | 2021-11-04 | 2022-02-25 | 天津大学 | UWB antenna gain improvement structure for WLAN applications |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109768379A (en) * | 2017-11-10 | 2019-05-17 | 南京理工大学 | A kind of dual-linear polarization ultra wide band compact aerial |
| CN107946765A (en) * | 2017-11-21 | 2018-04-20 | 南京濠暻通讯科技有限公司 | A kind of high-gain Vivaldi array antennas for loading director |
| WO2020134474A1 (en) * | 2018-12-28 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Mobile terminal |
| CN109904617A (en) * | 2019-01-25 | 2019-06-18 | 南京邮电大学 | Based on the frequency scanning leaky-wave antenna for loading high guarantor's transmission line that parasitic branch is formed |
| CN110752441A (en) * | 2019-09-09 | 2020-02-04 | 西安电子科技大学 | Transmit-receive antenna and hand-held type through-wall radar system |
| CN111193109A (en) * | 2020-03-02 | 2020-05-22 | 德州学院 | Vivaldi antenna integrated with self-packaging substrate and provided with suspension line |
| CN111463567A (en) * | 2020-04-15 | 2020-07-28 | 西安朗普达通信科技有限公司 | Low RCS ultra-wideband Vivaldi antenna based on differential evolution algorithm |
| CN111463567B (en) * | 2020-04-15 | 2022-11-15 | 西安朗普达通信科技有限公司 | Low RCS ultra-wideband Vivaldi antenna based on differential evolution algorithm |
| WO2021227776A1 (en) * | 2020-05-12 | 2021-11-18 | 深圳市华信天线技术有限公司 | Patch antenna |
| CN112952357A (en) * | 2021-01-22 | 2021-06-11 | 西安交通大学 | Plane combined pulse radiation antenna |
| CN112993553A (en) * | 2021-02-09 | 2021-06-18 | 维沃移动通信有限公司 | Antenna unit and antenna structure |
| CN114094326A (en) * | 2021-11-04 | 2022-02-25 | 天津大学 | UWB antenna gain improvement structure for WLAN applications |
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