CN106356626A - Array antenna - Google Patents
Array antenna Download PDFInfo
- Publication number
- CN106356626A CN106356626A CN201610723513.4A CN201610723513A CN106356626A CN 106356626 A CN106356626 A CN 106356626A CN 201610723513 A CN201610723513 A CN 201610723513A CN 106356626 A CN106356626 A CN 106356626A
- Authority
- CN
- China
- Prior art keywords
- antenna
- array antenna
- base plate
- similar element
- array
- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
Abstract
The invention provides an array antenna, which comprises a bottom plate set in a plurality of non similar antenna unit on one side of the base plate with different radiation characteristics; and the feed network is arranged at the other side of the base plate and connected with a plurality of non similar antenna array. The antenna is used for a plurality of non similar antenna feed. The embodiment of the invention can make the adjustment of the array antenna radiation characteristics of diversification simple, which reduce the number of antennas, narrow array antenna volume, thus reduce the cost.
Description
Technical field
The present invention relates to communication technical field, particularly to a kind of array antenna.
Background technology
Array antenna is formed according to certain rule arrangement by multiple element antennas.Compare for individual unit antenna, battle array
Array antenna has more preferable directivity, can obtain more radiation features simultaneously.Therefore, array antenna is widely used in moving
In communication.
At present, mostly pass through to change the spacing of multiple element antennas, the amplitude of exciting current and electric current phase in array antenna
Position obtaining the different radiation feature of array antenna, to meet some different application demands.For obtaining different radiation features
To meet application demand, in addition to will designing the feeding network of complexity, often also need to a fairly large number of element antenna, thus leading
Cause the volume of array antenna larger, relatively costly.
Content of the invention
It is contemplated that at least solving above-mentioned technical problem to a certain extent.
For this reason, it is an object of the invention to proposing a kind of array antenna, enabling to adjust the radiation feature of array antenna
Mode variation, simplify, the quantity of element antenna can be reduced, the volume reducing array antenna is such that it is able to reduce into
This.
For reaching above-mentioned purpose, a kind of array antenna of proposition according to embodiments of the present invention, comprising: base plate；It is arranged on described
The multiple non-similar element antenna of base plate side, wherein, it is special that the plurality of non-similar element antenna has different radiation
Levy；And feeding network, described feeding network is arranged on the opposite side of described base plate, to the plurality of non-similar element antenna
It is connected, for the plurality of non-similar element antenna feed.
Array antenna according to embodiments of the present invention, has the multiple non-of different radiation features by the setting in base plate side
Similar element antenna, arranges the feeding network to multiple non-similar element antenna feeds in base plate opposite side, thus constituting
Array antenna.Thus, compared with correlation technique, except spacing, current amplitude and the electric current phase that can pass through the multiple element antennas of change
Position is outer, also can adjust the spoke of array antenna by arranging the element antenna that multiple physical features are dissimilar, radiation feature is different
Penetrate feature, by meet the antenna applications index of different field so that adjustment array antenna radiation feature in the way of variation.?
The design of array antenna under conditions of realizing equal radiation feature, can be simplified, reduce the quantity of element antenna, reduce array antenna
Volume such that it is able to reduces cost.
In addition, array antenna according to embodiments of the present invention also can have as follows add technical characteristic:
According to one embodiment of present invention, described radiation feature includes directional diagram and/or beam angle.
According to one embodiment of present invention, the plurality of non-similar element antenna is that physical features are dissimilar multiple
Element antenna, wherein, described physical features include one or more of shape, size, angles.
According to one embodiment of present invention, described element antenna is bionic antenna.
According to one embodiment of present invention, described base plate is classification reflecting plate or non-flat design base plate.
According to one embodiment of present invention, described feeding network is entered with the plurality of non-similar units by coaxial cable
Row connects.
Brief description
The above-mentioned and/or additional aspect of the present invention and advantage will become from reference to the description to embodiment for the accompanying drawings below
Substantially and easy to understand, wherein:
Fig. 1 is the structural representation of the array antenna according to one embodiment of the invention；
Fig. 2 a is the axonometric chart of the directional diagram of the array antenna according to one embodiment of the invention；
Fig. 2 b is the front view of the directional diagram of the array antenna according to one embodiment of the invention；
Fig. 2 c is the side view of the directional diagram of the array antenna according to one embodiment of the invention；
Fig. 2 d is the top view of the directional diagram of the array antenna according to one embodiment of the invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of described embodiment is shown in the drawings, wherein from start to finish
The element that same or similar label represents same or similar element or has same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention it is to be understood that term " multiple " refers to two or more；Term " first ",
" second " is only used for describing purpose, and it is not intended that indicating or hint relative importance.
Below with reference to the accompanying drawings array antenna according to embodiments of the present invention is described.
It should be noted that the effect of antenna is to launch the electromagnetic wave with certain radiation feature.The radiation of antenna is special
Levy and can be reflected by directional diagram.In the design of array antenna, directional diagram product theorem is a very important foundation, its
Specific formula is as follows:
Wherein,For array aerial direction figure；For element factor (element antenna directional diagram)； For array factor (battle array directional diagram).
In the related, if the physical features such as the shape of unit antenna in array antenna, size are identical
, only because the factor such as mismachining tolerance, unit antenna be difficult to just the same, then can will be referred to as similar for these element antennas
Element antenna.The radiation feature of similar element antenna has similarity, and its directional diagram is identical.
If the quantity of similar element antenna is n, the concrete formula of array factor is as follows:
Wherein, d is the spacing of element antenna, inAnd αnIt is respectively the amplitude for n-th element antenna exciting current and phase
Position.
As shown from the above formula, the spacing of the radiation feature of array antenna and multiple element antennas, current amplitude, electric current phase
Position and multiple element antenna directional diagrams are related.In correlation technique, the directional diagram of multiple similar element antennas is identical, by unit
The directional diagram of antennaRegard non-variables as, only pass through to change spacing, current amplitude and the electric current of multiple element antennas
Phase place is adjusting the radiation feature of array antenna.
In order to, in one embodiment of the invention, can be by adjusting the unit antenna radiation pattern in array antenna
To adjust the radiation feature of array antenna.
Fig. 1 is the structural representation of the array antenna according to one embodiment of the invention.
As shown in figure 1, array antenna according to embodiments of the present invention, comprising: base plate 10, multiple non-similar element antenna
20 and feeding network 30.
Multiple non-similar element antennas 20 are arranged on base plate 10 side, and multiple non-similar element antennas 20 have difference
Radiation feature.
In one embodiment of the invention, multiple non-similar element antennas 20 are the dissimilar multiple lists of physical features
First antenna, wherein, physical features include one or more of shape, size, angles.Three differences are shown in Fig. 1
The element antenna of shape and the side view of corresponding directional diagram, wherein, its size of three element antennas and angles exist
In figure is not shown.
It should be appreciated that multiple non-similar element antennas 20 have different radiation due to having different physical features
Feature.In other embodiments of the invention, at least one of multiple non-similar element antennas element antenna is single with other
First antenna has different physical features.
Additionally, the dissmilarity of the physical features in the present invention refers to that multiple element antennas have in the design of physical features
Substantial difference, and using in correlation technique has multiple element antennas of identical design, these element antennas
Element antenna in correlation technique therefore can be referred to as similar unit sky by the nuance leading to because of its technologic error
Line, and the element antenna in the present invention is referred to as non-similar element antenna.
In one embodiment of the invention, radiation feature may include directional diagram and/or beam angle.As shown in figure 1, three
Direction Figure 40 of individual variform non-similar element antenna 20 is different.For further appreciating that multiple non-similar units
The radiation feature of antenna 20, respectively illustrates each non-similar element antenna 20 in Fig. 1 in Fig. 2 a, Fig. 2 b, Fig. 2 c and Fig. 2 d
The axonometric chart of direction Figure 40, front view, side view and top view.In conjunction with above-mentioned each figure it is known that due to multiple non-similar lists
The physical features of first antenna 20 are different, and therefore its direction Figure 40 is different, and its beam angle is also different.
Alternatively, base plate 10 can be classification reflecting plate or non-flat design base plate etc., and element antenna 20 can be bionic antenna,
Thus the radiation characteristics such as the frequency of multiple non-similar element antennas, power, gain and radiation efficiency can be improved.
Feeding network 30 is arranged on the opposite side of base plate 10, is connected with multiple non-similar element antennas 20, for many
Individual non-similar element antenna 20 feeds.
In one embodiment of the invention, feeding network 30 can be carried out with multiple non-similar units 20 by coaxial cable
Connect, thus the loss of electric energy can be reduced.
Array antenna according to embodiments of the present invention, has the multiple non-of different radiation features by the setting in base plate side
Similar element antenna, arranges the feeding network to multiple non-similar element antenna feeds in base plate opposite side, thus constituting
Array antenna.Thus, compared with correlation technique, except spacing, current amplitude and the electric current phase that can pass through the multiple element antennas of change
Position is outer, also can adjust the spoke of array antenna by arranging the element antenna that multiple physical features are dissimilar, radiation feature is different
Penetrate feature, by meet the antenna applications index of different field so that adjustment array antenna radiation feature in the way of variation.?
The design of array antenna under conditions of realizing equal radiation feature, can be simplified, reduce the quantity of element antenna, reduce array antenna
Volume such that it is able to reduces cost.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy describing with reference to this embodiment or example
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
Combine in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combine.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In describing the invention, " multiple " are meant that two or more, unless separately
Have and clearly specifically limit.
In flow chart or here any process described otherwise above or method description are construed as, represent and include
The module of the code of executable instruction of one or more steps for realizing specific logical function or process, fragment or portion
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable
Sequence, including according to involved function by substantially simultaneously in the way of or in the opposite order, carry out perform function, this should be by the present invention
Embodiment person of ordinary skill in the field understood.
Represent in flow charts or here logic described otherwise above and/or step, for example, it is possible to be considered as to use
In the order list of the executable instruction realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (system as computer based system, including processor or other can hold from instruction
Row system, device or equipment instruction fetch the system of execute instruction) use, or with reference to these instruction execution systems, device or set
Standby and use.For the purpose of this specification, " computer-readable medium " can any can be comprised, store, communicate, propagate or pass
Defeated program is for instruction execution system, device or equipment or the dress using with reference to these instruction execution systems, device or equipment
Put.The more specifically example (non-exhaustive list) of computer-readable medium includes following: has the electricity of one or more wirings
Connecting portion (electronic installation), portable computer diskette box (magnetic device), random access memory (ram), read only memory
(rom), erasable edit read-only storage (eprom or flash memory), fiber device, and portable optic disk is read-only deposits
Reservoir (cdrom).In addition, computer-readable medium can even is that the paper that can print described program thereon or other are suitable
Medium, because edlin, interpretation or if necessary with it can then be entered for example by carrying out optical scanning to paper or other media
His suitable method is processed to electronically obtain described program, is then stored in computer storage.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In embodiment, the software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realizing.For example, if realized with hardware, and the same in another embodiment, can use well known in the art under
Any one of row technology or their combination are realizing: have the logic gates for data signal is realized with logic function
Discrete logic, there is the special IC of suitable combinational logic gate circuit, programmable gate array (pga), scene
Programmable gate array (fpga) etc..
Those skilled in the art are appreciated that to realize all or part step that above-described embodiment method carries
Suddenly the program that can be by completes come the hardware to instruct correlation, and described program can be stored in a kind of computer-readable storage medium
In matter, this program upon execution, including one or a combination set of the step of embodiment of the method.
Additionally, can be integrated in a processing module in each functional unit in each embodiment of the present invention it is also possible to
It is that unit is individually physically present it is also possible to two or more units are integrated in a module.Above-mentioned integrated mould
Block both can be to be realized in the form of hardware, it would however also be possible to employ the form of software function module is realized.Described integrated module is such as
Fruit using in the form of software function module realize and as independent production marketing or use when it is also possible to be stored in a computer
In read/write memory medium.
Storage medium mentioned above can be read only memory, disk or CD etc..Although having shown that above and retouching
Embodiments of the invention are stated it is to be understood that above-described embodiment is exemplary it is impossible to be interpreted as the limit to the present invention
System, those of ordinary skill in the art can be changed to above-described embodiment, change, replace and become within the scope of the invention
Type.
Claims (6)
1. a kind of array antenna is it is characterised in that include:
Base plate；
It is arranged on the multiple non-similar element antenna of described base plate side, wherein, the plurality of non-similar element antenna tool
There are different radiation features；And
Feeding network, described feeding network is arranged on the opposite side of described base plate, to the plurality of non-similar element antenna phase
Even, for the plurality of non-similar element antenna feed.
2. array antenna as claimed in claim 1 is it is characterised in that described radiation feature includes directional diagram and/or wave beam width
Degree.
3. array antenna as claimed in claim 1 or 2 is it is characterised in that the plurality of non-similar element antenna is physics
The dissimilar multiple element antennas of feature, wherein, described physical features include one of shape, size, angles or many
Kind.
4. array antenna as claimed in claim 1 is it is characterised in that described element antenna is bionic antenna.
5. array antenna as claimed in claim 1 is it is characterised in that described base plate is classification reflecting plate or non-flat design bottom
Plate.
6. array antenna as claimed in claim 1 it is characterised in that described feeding network pass through coaxial cable with the plurality of
Non- similar units are attached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610723513.4A CN106356626B (en) | 2016-08-24 | 2016-08-24 | Array antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610723513.4A CN106356626B (en) | 2016-08-24 | 2016-08-24 | Array antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106356626A true CN106356626A (en) | 2017-01-25 |
| CN106356626B CN106356626B (en) | 2019-08-16 |
Family
ID=57856192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610723513.4A Expired - Fee Related CN106356626B (en) | 2016-08-24 | 2016-08-24 | Array antenna |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008258852A (en) * | 2007-04-03 | 2008-10-23 | Toyota Central R&D Labs Inc | Planar array antenna |
| CN101719593A (en) * | 2010-01-04 | 2010-06-02 | 西安电子科技大学 | Broadband multi-frequency omni-directional array antenna |
| CN203481385U (en) * | 2013-09-27 | 2014-03-12 | 佛山市蓝波湾通讯设备有限公司 | Array antenna |
| CN203813033U (en) * | 2013-12-23 | 2014-09-03 | 华为技术有限公司 | Multi-frequency array antenna |
| CN104981939A (en) * | 2013-01-31 | 2015-10-14 | 赛尔麦克斯科技公司 | An antenna arrangement and a base station |
| US20150318621A1 (en) * | 2014-05-02 | 2015-11-05 | AMI Research & Development, LLC | Quasi tem dielectric travelling wave scanning array |
| CN105514622A (en) * | 2015-12-28 | 2016-04-20 | 中国科学院国家空间科学中心 | Four-frequency microstrip reflective array antenna |
-
2016
- 2016-08-24 CN CN201610723513.4A patent/CN106356626B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008258852A (en) * | 2007-04-03 | 2008-10-23 | Toyota Central R&D Labs Inc | Planar array antenna |
| CN101719593A (en) * | 2010-01-04 | 2010-06-02 | 西安电子科技大学 | Broadband multi-frequency omni-directional array antenna |
| CN104981939A (en) * | 2013-01-31 | 2015-10-14 | 赛尔麦克斯科技公司 | An antenna arrangement and a base station |
| CN203481385U (en) * | 2013-09-27 | 2014-03-12 | 佛山市蓝波湾通讯设备有限公司 | Array antenna |
| CN203813033U (en) * | 2013-12-23 | 2014-09-03 | 华为技术有限公司 | Multi-frequency array antenna |
| US20150318621A1 (en) * | 2014-05-02 | 2015-11-05 | AMI Research & Development, LLC | Quasi tem dielectric travelling wave scanning array |
| CN105514622A (en) * | 2015-12-28 | 2016-04-20 | 中国科学院国家空间科学中心 | Four-frequency microstrip reflective array antenna |
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| Publication number | Publication date |
|---|---|
| CN106356626B (en) | 2019-08-16 |
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Effective date of registration: 20181211 Address after: 210 029 Block B, 20th Floor, Xinghan Building, 180 Hanzhong Road, Gulou District, Nanjing City, Jiangsu Province Applicant after: JIANGSU EAST CENTURY NETWORK INFORMATION Co.,Ltd. Applicant after: Leader Technology (Hengqin) Co.,Ltd. Address before: 211106 Block B, 20th Floor, Xinghan Building, 180 Hanzhong Road, Gulou District, Nanjing City, Jiangsu Province Applicant before: JIANGSU EAST CENTURY NETWORK INFORMATION Co.,Ltd. |
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