CN107181057A - Multi-angle main beam pointing direction figure reconfigurable antenna in a kind of pitching face - Google Patents
Multi-angle main beam pointing direction figure reconfigurable antenna in a kind of pitching face Download PDFInfo
- Publication number
- CN107181057A CN107181057A CN201710352429.0A CN201710352429A CN107181057A CN 107181057 A CN107181057 A CN 107181057A CN 201710352429 A CN201710352429 A CN 201710352429A CN 107181057 A CN107181057 A CN 107181057A
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- China
- Prior art keywords
- antenna
- composite substrate
- main beam
- multistable
- pitching face
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
- H01Q3/04—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying one co-ordinate of the orientation
Landscapes
- Details Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses multi-angle main beam pointing direction figure reconfigurable antenna in a kind of pitching face, the antenna includes multistable composite substrate, the metal micro-strip antenna stack located at multistable composite substrate upper strata, the microstrip feed line layer located at multistable composite substrate lower floor, wherein：The multistable composite substrate has plurality of stable state in pitching face, is formed by three layers of laying, its ply stacking-sequence is：Orlop is 0 ° of layer, and intermediate layer is 90 ° of layers, and the superiors are formed by multiple 90 ° of interlayers every laying.The present invention is by multistable composite substrate laying and structure design, it can make substrate that there is plurality of stable state, acting on substrate by driver can switch between each stable state, and antenna main beam direction under different stable states points to also difference, antenna radiation pattern restructural in pitching face is realized.
Description
Technical field
The invention belongs to antenna technical field, it is related to a kind of directional diagram reconstructable aerial, and in particular in a kind of pitching face
Multi-angle main beam pointing direction figure reconfigurable antenna.
Background technology
As mobile communication, satellite communication, radar and aircraft etc. are required the control of antenna beam and scanning so that side
More and more paid attention to and developed to figure reconfigurable antenna.Directional diagram reconstructable aerial can be real according to the change of communication environment
When change the directional diagram of transmitting and reception antenna, so as to effectively weaken noise jamming, to anti-multipath fading, improve information transfer speed
Rate, keeps high-gain.The wide-angle scanning of planar phased array can also be realized using directional diagram reconstructable aerial.
At present, domestic and foreign scholars have done substantial amounts of research for directional diagram reconstructable aerial." a kind of directional diagram can for document
Reconstruct the printing Quasi-Yagi antenna of director fluting "（A pattern reconfigurable printed quasi-Yagi
antenna with slots in the directors[C]. 2009th International Symposium on
Antennas Propagation and EM theory, 275-278）Four can be pointed in level by devising a kind of main beam
The reconfigurable antenna of individual different directions.The A of CN 102437423 propose a kind of six wave-beam selectivities plane pattern restructural day
Line.The A of CN 103682645 disclose the restructural plane microstrip antenna that a kind of five main beams are pointed to.CN 103700942 A
The flat plane antenna that omnidirectional is scanned in horizontal extent is realized by six beam switchovers.Above antenna radiation pattern restructural is used
Loaded switches realize that control circuit is complicated, and can only realize directional diagram reconstructable in the horizontal plane.
The content of the invention
For the deficiency of existing directional diagram reconstructable aerial, the present invention is for the scanning model of propagation direction figure reconfigurable antenna
Enclose there is provided multi-angle main beam pointing direction figure reconfigurable antenna in a kind of pitching face, utilize multistable composite substrate
Plurality of stable configuration realize that antenna in pitching face there are a variety of main beams to point to, can be with free switching between various states.
The purpose of the present invention is achieved through the following technical solutions：
Multi-angle main beam pointing direction figure reconfigurable antenna in a kind of pitching face, including multistable composite substrate, be located at
Metal micro-strip antenna stack, the microstrip feed line located at multistable composite substrate lower floor on multistable composite substrate upper strata
Layer, wherein：The multistable composite substrate has plurality of stable state in pitching face, is formed by three layers of laying, and it spreads
Layer order be：Orlop is 0 ° of layer, and intermediate layer is 90 ° of layers, and the superiors are formed by multiple 90 ° of interlayers every laying.
The invention has the advantages that：
It is 1st, of the invention by that to multistable composite substrate laying and structure design, can make substrate that there is plurality of stable state,
Acting on substrate by driver can switch between each stable state, and antenna main beam side under different stable states
It is also different to pointing to, realize antenna radiation pattern restructural in pitching face.
2nd, the directional diagram of the invention that can expand reconfigurable antenna realizes that wide-angle is scanned in pitching face, overcomes existing side
To the limitation that can only be scanned in the horizontal plane of figure reconfigurable antenna, its application field can be expanded.
Brief description of the drawings
Fig. 1 is the plurality of stable state configuration of multi-angle main beam pointing direction figure reconfigurable antenna in pitching face of the present invention
Side schematic view；
Fig. 2 is the positive structure schematic of multi-angle main beam pointing direction figure reconfigurable antenna in pitching face of the present invention；
Fig. 3 is the multistable composite substrate paving of multi-angle main beam pointing direction figure reconfigurable antenna in pitching face of the present invention
Layer schematic diagram；
Fig. 4 is the return loss under the different conditions of multi-angle main beam pointing direction figure reconfigurable antenna in pitching face of the present invention
Curve；
Fig. 5 is the spoke under multi-angle main beam pointing direction figure reconfigurable antenna 2GHz frequency different conditions in pitching face of the present invention
Penetrate directional diagram；
Fig. 6 is the spoke under multi-angle main beam pointing direction figure reconfigurable antenna 5GHz frequency different conditions in pitching face of the present invention
Penetrate directional diagram；
Fig. 7 is the increasing under the flat state of multi-angle main beam pointing direction figure reconfigurable antenna in working band in pitching face
Benefit；
In figure：1- metal micro-strip antenna stacks, 2- multistable composite substrates, 3- microstrip feed lines layer.
Embodiment
Technical scheme is further described below in conjunction with the accompanying drawings, but is not limited thereto, it is every to this
Inventive technique scheme is modified or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention, all should be covered
In protection scope of the present invention.
Embodiment one：As shown in Fig. 2 multi-angle main beam pointing direction in the pitching face that present embodiment is provided
Metal micro-strip antenna stack of the figure reconfigurable antenna by multistable composite substrate 2, located at multistable composite substrate upper strata
1st, the microstrip feed line layer 3 located at multistable composite substrate lower floor is constituted.
In present embodiment, the multistable composite substrate 2 has plurality of stable state in pitching face, by three layers
Laying is formed, as shown in figure 1, its ply stacking-sequence is：Orlop is 0 ° of layer, and intermediate layer is 90 ° of layers, and the superiors are by multiple 90 ° of layers
Suitable distance laying is spaced, spacing distance is determined by the angle of substrate stable state.
In present embodiment, the multistable composite substrate 2 has plurality of stable state, Mei Zhongwen in pitching face
The angle for determining state is determined by the spacing distance of the material property of multistable composite substrate 2,90 ° of layers of thickness and the superiors.
In present embodiment, the material of the multistable composite substrate 2 is glass fiber reinforcement epoxy composite,
Dielectric constant 4.6, individual layer prepreg thickness is 0.125mm.
In present embodiment, the metal micro-strip antenna stack 1 is Vivaldi antenna.
In present embodiment, the microstrip feed line layer 3 is microstrip line-line of rabbet joint feed or coaxial-line of rabbet joint feed or coplanar
Waveguide feed.
In present embodiment, the multistable composite substrate 2 is using autoclave technique and upper strata metal micro-strip antenna
Layer 1, lower floor's microstrip feed line layer 3 co-curings shaping.
In present embodiment, the metal micro-strip antenna stack 1 can be micro- by metal using printing technology with micro-strip feed layer 3
Band antenna stack and micro-strip feed layer are printed on film, then again with the co-curing of multistable composite substrate 2, or by metal foil
Film and the co-curing of multistable composite substrate 2, then prepare metal micro-strip antenna stack and micro-strip feed layer using lithographic technique.
Present embodiment controls multistable composite substrate different stable states in pitching face by driver element
Between switch, and then make antenna main beam direction point to change, realize directional diagram in pitching face restructural.
Embodiment two：Present embodiment is to have four kinds of angle main beam pointing direction figure restructurals in pitching face
Illustrated exemplified by Vivaldi antenna.
As Figure 1-3, in the pitching face of present embodiment multi-angle main beam pointing direction figure reconfigurable antenna by many
It is metastable composite substrate 2, the metal micro-strip antenna stack 1 located at multistable composite substrate upper strata, compound located at multistable
The microstrip feed line layer 3 of material substrate lower floor is constituted, the integrated curing molding of all elements, wherein：Metal micro-strip antenna stack 1 is tool
There is the Vivaldi antenna of exponential fade structure, microstrip feed line layer 3 is microstrip line-line of rabbet joint feed, multistable composite substrate
2 be glass fibre reinforced composion, its thickness in monolayer be 0.125mm, ply sequence as shown in figure 3, dielectric constant be 4.9,
Dielectric loss is 0.019, and antenna overall dimensions are 350mm × 150mm.
Under driver effect, multistable composite substrate 2 can switch under its plurality of stable configuration, and then make
The main beam direction of antenna is pointed to and changed, and realizes directional diagram in pitching face restructural.
Present embodiment is said exemplified by with four kinds of angle main beam pointing direction figure restructural Vivaldi antennas
It is bright.
Fig. 4 is S11 parameter curve of the present embodiment reconfigurable antenna under four kinds of states.As shown in Figure 4, antenna S11
Parameter is of slight difference under four kinds of states, and bandwidth range is 1.8GHz -5.7GHz, belongs to ultra-wideband antenna.
Fig. 5 and Fig. 6 is radiation direction of the present embodiment reconfigurable antenna under different conditions at 2GHz and 5GHz frequencies
Figure.As shown in Figure 5, antenna main radiation direction under four kinds of states is respectively 90 °, 87 °, 81 °, 71 °, main beam at 2GHz frequencies
Point in 19 ° of pitching face bias internal.The reconfigurable antenna of present embodiment finally may be implemented in antenna beam width at 2GHz frequencies
67 ° of degree, higher than 50.8 ° of beam angles of flat state.
It will be appreciated from fig. 6 that antenna main radiation direction under four kinds of states is respectively 90 °, 67 °, 42 °, 33 ° at 5GHz frequencies,
Main beam is pointed in 57 ° of pitching face bias internal.The reconfigurable antenna of present embodiment finally may be implemented in antenna at 5GHz frequencies
86 ° of beam angle, higher than 41.7 ° of beam angles of flat state.
As shown in Figure 7, the reconfigurable antenna of present embodiment gain in the range of working band is 9.0 ~ 11.0dB, so
Antenna can keep high-gain in frequency band range.
To sum up, present embodiment utilizes the plurality of stable state characteristic that multistable composite medium substrate has, design
Multi-angle main beam pointing direction figure reconfigurable antenna in the pitching face of realizing.
Claims (7)
1. multi-angle main beam pointing direction figure reconfigurable antenna in a kind of pitching face, it is characterised in that the antenna includes multistable
State composite substrate, the metal micro-strip antenna stack located at multistable composite substrate upper strata, located at multistable composite
The microstrip feed line layer of substrate lower floor, wherein：The multistable composite substrate has plurality of stable state in pitching face, by
Three layers of laying are formed, and its ply stacking-sequence is：Orlop is 0 ° of layer, and intermediate layer is 90 ° of layers, and the superiors are by multiple 90 ° of interlayers every paving
If forming.
2. multi-angle main beam pointing direction figure reconfigurable antenna in pitching face according to claim 1, it is characterised in that
The multistable composite substrate is using autoclave technique and upper strata metal micro-strip antenna stack, lower floor's microstrip feed line layer co-curing
Shaping.
3. multi-angle main beam pointing direction figure reconfigurable antenna in pitching face according to claim 2, it is characterised in that
Metal micro-strip antenna stack and micro-strip feed layer are printed on by the metal micro-strip antenna stack with micro-strip feed layer using printing technology
On film, then again with multistable composite substrate co-curing, it is or metallic film and multistable composite substrate is solid altogether
Change, then prepare metal micro-strip antenna stack and micro-strip feed layer using lithographic technique.
4. multi-angle main beam pointing direction figure reconfigurable antenna, its feature in the pitching face according to claim 1,2 or 3
The material for being the multistable composite substrate is glass fiber reinforcement epoxy composite.
5. multi-angle main beam pointing direction figure reconfigurable antenna in pitching face according to claim 1, it is characterised in that
In the multistable composite substrate, thickness in monolayer is 0.125mm.
6. multi-angle main beam pointing direction figure reconfigurable antenna, its feature in the pitching face according to claim 1,2 or 3
It is Vivaldi antenna to be the metal micro-strip antenna stack.
7. multi-angle main beam pointing direction figure reconfigurable antenna, its feature in the pitching face according to claim 1,2 or 3
It is microstrip line-line of rabbet joint feed or coaxial-line of rabbet joint feed or coplanar wave guide feedback to be the microstrip feed line layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710352429.0A CN107181057A (en) | 2017-05-18 | 2017-05-18 | Multi-angle main beam pointing direction figure reconfigurable antenna in a kind of pitching face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710352429.0A CN107181057A (en) | 2017-05-18 | 2017-05-18 | Multi-angle main beam pointing direction figure reconfigurable antenna in a kind of pitching face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107181057A true CN107181057A (en) | 2017-09-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710352429.0A Pending CN107181057A (en) | 2017-05-18 | 2017-05-18 | Multi-angle main beam pointing direction figure reconfigurable antenna in a kind of pitching face |
Country Status (1)
| Country | Link |
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| CN (1) | CN107181057A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832279A (en) * | 2018-06-05 | 2018-11-16 | 北京星网锐捷网络技术有限公司 | Omnidirectional antenna and angle of radiation switching method |
| CN109149095A (en) * | 2018-08-29 | 2019-01-04 | 合肥工业大学 | A kind of antenna of frequency and directional diagram reconstructable based on flexible material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201017991Y (en) * | 2006-12-29 | 2008-02-06 | 黑龙江科技学院 | 3.1~10.6GHz Vivaldi ultra-wideband antenna |
| CN104772913A (en) * | 2015-04-22 | 2015-07-15 | 哈尔滨工业大学 | Design method for multi-steady-state deformable switch structure |
| CN105140636A (en) * | 2015-09-18 | 2015-12-09 | 哈尔滨工业大学 | Wearable omnidirectional/directional pattern reconfigurable antenna |
-
2017
- 2017-05-18 CN CN201710352429.0A patent/CN107181057A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201017991Y (en) * | 2006-12-29 | 2008-02-06 | 黑龙江科技学院 | 3.1~10.6GHz Vivaldi ultra-wideband antenna |
| CN104772913A (en) * | 2015-04-22 | 2015-07-15 | 哈尔滨工业大学 | Design method for multi-steady-state deformable switch structure |
| CN105140636A (en) * | 2015-09-18 | 2015-12-09 | 哈尔滨工业大学 | Wearable omnidirectional/directional pattern reconfigurable antenna |
Non-Patent Citations (1)
| Title |
|---|
| 周晓军: "基于变截面层合板的多稳态结构的设计与制备", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832279A (en) * | 2018-06-05 | 2018-11-16 | 北京星网锐捷网络技术有限公司 | Omnidirectional antenna and angle of radiation switching method |
| CN109149095A (en) * | 2018-08-29 | 2019-01-04 | 合肥工业大学 | A kind of antenna of frequency and directional diagram reconstructable based on flexible material |
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Application publication date: 20170919 |