CN104934724A - Combination type anti-interference antenna - Google Patents
Combination type anti-interference antenna Download PDFInfo
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- CN104934724A CN104934724A CN201510312946.6A CN201510312946A CN104934724A CN 104934724 A CN104934724 A CN 104934724A CN 201510312946 A CN201510312946 A CN 201510312946A CN 104934724 A CN104934724 A CN 104934724A
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Abstract
The invention discloses a combination type anti-interference antenna, comprising multiple groups of antenna units, wherein each group of antenna units comprises a low frequency band antenna and a high band frequency antenna. The combination type anti-interference antenna is characterized in that the antenna unit realizes dual-frequency work on a same position, and that the low frequency band antenna and the high frequency band antenna of the antenna unit of each group are combined in a manner of upper-lower lamination or are combined in an integrated dual-frequency antenna mode. The combination type anti-interference antenna enables the antenna array to have a big adjustment space, enables the distance between the co-frequency units to be greater, greatly reduces the mutual coupling of the antenna and thus improves the low-elevation-angle gain.
Description
Technical field
The present invention relates to antenna technical field, specifically relate to one and can be applicable in jamproof system, meet anti-interference antenna small size and require and there is the antenna element improving low section high-gain.
Background technology
In cruising missile Data-Link system, antijamming capability and low section gain are all key indexs.Current array antenna technique is one of effective means improving system rejection to disturbance ability further, and therefore the application problem of array antenna technique in cruising missile Data-Link system also becomes an emphasis.
On multifrequency anti-interference antenna array, such as, on Big Dipper jamproof system, frequent needs multiple low frequency reception antenna and multiple high frequency receiving antenna carry out anti-interference work, because the integration degree of current each unit radio-frequency module is higher, required array antenna volume is more and more less, but traditional antenna unit and arrangement mode seriously constrain the miniaturization of multiple unit anti-interference antenna, meeting miniaturized traditional multiple unit anti-interference antenna Main way is at present the dielectric constant increasing each unit, reduce each unit volume, or reduce the spacing of adjacent cells, this has all had a strong impact on the performance of antenna element.
Consider above-mentioned situation, be necessary for a kind of novel antenna array scheme of jamproof system exploitation, the low section gain higher than traditional antenna battle array, more easily adjustment, the better aerial array of consistency are provided.
Summary of the invention
Object of the present invention be exactly deficiency in order to solve prior art and the one provided not only each unit integral degree is high, novel structure, handling ease, size and performance also meet the combined anti-interference antenna of small form factor requirements.
The present invention adopts following technical solution to realize above-mentioned purpose: a kind of combined potato masher antenna, comprise and organize antenna element more, each group antenna element all comprises low-frequency range antenna and high band antenna, it is characterized in that, described antenna element realizes the work of double frequency on same position, often organize the combining form that the low-frequency range antenna of antenna element and high band antenna adopt upper and lower lamination to arrange, or adopt the dual-frequency antenna combination form of integral type.
Further illustrating as such scheme, in the upper and lower laminated construction of described antenna element, low-frequency range antenna is arranged on lower floor, and high band antenna is arranged on upper strata.
Described laminated antenna adopts lower floor 50*50 antenna as low-frequency range antenna, and upper strata adopts 25*25 antenna as high band antenna.
In described Integral double-frequency antenna assembly construction, using high band antenna as center, low-frequency range antenna is arranged around high band antenna, has the circle via hole that metallize to surround between high band antenna and low-frequency range antenna, while realize two-frequency operation at body surface.
Described Integral double-frequency antenna, adopt 50*50 antenna as body, body center is as high band antenna, and outside body, radiating surface is as low-frequency range antenna.
Preferably, the quantity of described antenna element group is four groups, designs on array antenna simultaneously, and distribution form adopts the array of omnidirectional distribution.
The low-frequency range antenna of described antenna element and high band antenna all realize circular polarization by single feedback, offset-fed or double-fed.
Preferably, the low-frequency range antenna of antenna element adopts the form of double-fed to realize circular polarization, and high band antenna adopts single feedback form to realize circular polarization.
The applicable various navigation jamproof system field of described aerial array, comprises Big Dipper field, GPS field etc., and can increase the antenna of other system at middle or periphery, increases the versatility of anti-interference antenna.
Described antenna element as one independently combined antenna except being applied on planar array antenna, also can be applied in three-dimensional tapered battle array.
The beneficial effect that the present invention adopts above-mentioned technical solution to reach is:
1, the present invention adopts owing to carrying out combined antenna design, break the form of each unit separate design of traditional array antenna, comparable size chassis can adopt more low-k, the larger antenna element of swept area is as the basic structure of antenna array, and by the form of combined antenna, make bay have larger adjustment space, make each distance with frequency unit larger, obviously reduce intercoupling of antenna.
2, the present invention is optimized from two aspects antenna array element simultaneously, 2DBi is improve than the low-band gain of traditional antenna array element, make antenna array adjust space and become large, performance also improves significantly than traditional multi-element array antenna, meets the requirement of the low section gain of anti-jamming array array antenna; Moreover the design of this combined antenna cellular construction suitably, can carry out modularized design, are furnished with the needs of special outer cover and the application of joint fit.
Accompanying drawing explanation
Fig. 1 is same body combination antenna unit structure figure of the present invention;
Fig. 2 is same body combination antenna unit structure figure of the present invention;
Fig. 3 is same body combination antenna unit structure figure of the present invention;
Fig. 4 is laminated antenna cellular construction figure of the present invention;
Fig. 5 is laminated antenna cellular construction figure of the present invention;
Fig. 6 is laminated antenna cellular construction figure of the present invention;
Fig. 7 is four antenna element distribution maps of the aerial array of embodiment 1;
Fig. 8 is four antenna element distribution maps of the aerial array of embodiment 1;
Fig. 9 is four antenna element distribution maps of the aerial array of embodiment 1;
Figure 10 is four antenna element distribution maps of the aerial array of embodiment 2;
Figure 11 is four antenna element distribution maps of the aerial array of embodiment 2;
Figure 12 is four antenna element distribution maps of the aerial array of embodiment 2;
Figure 13 is conventional antenna array eight cell distribution figure.
Description of reference numerals: 1, antenna element 1-1, body 1-11, high band antenna 1-12, low-frequency range antenna 1-13, metallization via hole 1-2, PCB 1-3, coaxial connector 2-1, low-frequency range antenna 2-2, high band antenna 2-3, PCB 2-4, coaxial connector; A-1, A-2, A-3, A-4, low-frequency range antenna element B-1, B-2, B-3, B-4, high band antenna element.
Embodiment
Below in conjunction with specific embodiment, the technical program is explained in detail.
Embodiment 1
As shown in Figure 1-Figure 3, the present invention is a kind of combined potato masher antenna, comprise many group antenna elements 1, each group antenna element 1 all comprises low-frequency range antenna and high band antenna, antenna element realizes the work of double frequency on same position, often organize the low-frequency range antenna of antenna element and the dual-frequency antenna combination form of high band antenna employing integral type, thus increase the pitch space of each antenna element, improve isolation and gain.Wherein, integral aerial uses same body 1-1, by radiating surface particular design, using high band antenna as center, low-frequency range antenna 1-12 is arranged around high band antenna 1-11, has the circle via hole 1-13 that metallizes to surround, form Integral double-frequency antenna between high band antenna and low-frequency range antenna, realize two-frequency operation at body surface simultaneously, and coordinate PCB 1-2 and coaxial connector 1-3 as one group of antenna element as Fig. 8; By the form of four groups of antenna element omnidirectional distribution, build up a complete anti-interference antenna system.
As shown in figs. 7 to 9, the metal circular chassis of diameter 180 is adopted.Traditional antenna battle array needed unit 8 to carry out structuring the formation as Figure 13 originally, because array base plate size is little, low-frequency range antenna element A-1, A-2, A-3, A-4 and high band antenna element B-1, B-2, B-3, B-4 arrange compact, first cause low-frequency range antenna volume limited, thus affect low-frequency range antenna performance, secondly traditional scheme is the compression of common-frequency aerial spacing, also makes the coupling between each antenna increase, affects antenna performance.The antenna combination design that the present embodiment adopts, adjacent High-frequency and low-frequency section antenna combination at the same area, the advantage of this design is, the low frequency radiation district dielectric constant more used than traditional low-frequency section antenna is low, swept area is large, radiation gain is strong, and save space, antenna element separation is enable to have more adjustment at small size substrate, reduce the mutual coupling with band antenna, be connected in corresponding mounting hole site by pcb board cabling and joint again, therefore can not affect the cooperation of lower floor's radio-frequency module.
Further illustrate, traditional antenna low-frequency range adopts 35*35*5 size, and high frequency adopts the size of 30*30*3 as figure.For the present embodiment see shown in Fig. 7-Fig. 9, combined antenna adopts 50*50*5 size, be-1.9 ~-2.19dBi by 30 degree, the elevation angle gain of new departure low-frequency range shown in the data of following table, traditional scheme performance is-4.9 ~-5.1dBi in low-frequency range, and high band antenna performance changes little.Emulation all shows with actual test, uses combined antenna to have clear improvement to antenna array element performance, is also the core of inventive antenna array approaches design.
Traditional scheme performance
| Low-frequency antenna | HO | H60 | High frequency antenna | HO | H60 | H80 |
| A-1 | 0.85 | -4.9 | B-1 | 5 | -1.5 | -6.8 |
| A-2 | 0.8 | -5.1 | B-2 | 5.1 | -1.7 | -6.7 |
| A-3 | 0.81 | -5 | B-3 | 4.8 | -2 | -6.77 |
| A-4 | 0.9 | -4.9 | B-4 | 4.9 | -1.7 | -6.84 |
New Scheme performance:
| Low-frequency antenna | HO | H60 | High frequency antenna | HO | H60 | H80 |
| A-1 | 2.2 | -1.9 | B-1 | 4.7 | -1.3 | -6.3 |
| A-2 | 2.1 | -2.2 | B-2 | 4.6 | -1.4 | -6.4 |
| A-3 | 2.1 | -2.2 | B-3 | 4.6 | -1.2 | -6.1 |
| A-4 | 2.2 | -2.19 | B-4 | 4.7 | -1.3 | -6.3 |
Embodiment 2
As Figure 4-Figure 6, in the present embodiment, the combining form that the low-frequency range antenna of antenna element 1 and high band antenna adopt upper and lower lamination to arrange, low-frequency range antenna 2-1 is arranged on lower floor, high band antenna 2-2 is arranged on upper strata, and coordinates PCB 2-3 and coaxial connector 2-4 as one group of antenna element as Figure 10-Figure 12; By the form of four groups of antenna element omnidirectional distribution, build up a complete anti-interference antenna system.
In the present embodiment, low-frequency range antenna adopts 50*50*5 size, and high band antenna adopts 25*25*3 size, and effect is similar to embodiment 1, does not elaborate herein.
It should be noted that the unit root of the size of described antenna is determined according to actual conditions, can mm be selected, the units such as cm, m.
The present invention is owing to carrying out combined antenna design, break the form of each unit separate design of traditional array antenna, comparable size chassis can adopt more low-k, the larger antenna element of swept area is as the basic structure of antenna array, and by the form of combined antenna, make bay have larger adjustment space, make each distance with frequency unit larger, obviously reduce intercoupling of antenna.
It should be noted that each unit interval of described antenna array adjusts by the actual base plate provided, draw optimum battle array spacing.The dielectric layer that antenna element uses is as the critical material of Antenna Design, and material can be chosen high frequency plate, ceramic material and all can realize; Laminated antenna majority is used for the anti-interference antenna battle array of not limit for height, and Integral double-frequency antenna is most for there being the anti-interference antenna array of limitation in height.The applicable various navigation jamproof system field of aerial array, comprises Big Dipper field, GPS field etc., and can increase the antenna of other system at middle or periphery, increases the versatility of anti-interference antenna.Antenna element as one independently combined antenna except being applied on planar array antenna, also can be applied in three-dimensional tapered battle array.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (9)
1. a combined potato masher antenna, comprise and organize antenna element more, each group antenna element all comprises low-frequency range antenna and high band antenna, it is characterized in that, described antenna element realizes the work of double frequency on same position, often organize the combining form that the low-frequency range antenna of antenna element and high band antenna adopt upper and lower lamination to arrange, or adopt the dual-frequency antenna combination form of integral type.
2. the combined potato masher antenna of one according to claim 1, is characterized in that, in the upper and lower laminated construction of described antenna element, low-frequency range antenna is arranged on lower floor, and high band antenna is arranged on upper strata.
3. the combined potato masher antenna of one according to claim 1 and 2, is characterized in that, the upper and lower laminated construction Zhong Cai lower floor 50*50 antenna of described antenna element is as low-frequency range antenna, and upper strata adopts 25*25 antenna as high band antenna.
4. the combined potato masher antenna of one according to claim 1, it is characterized in that, in described Integral double-frequency antenna assembly construction, using high band antenna as center, low-frequency range antenna is arranged around high band antenna, has the circle via hole that metallizes to surround between high band antenna and low-frequency range antenna.
5. the combined potato masher antenna of the one according to claim 1 or 4, is characterized in that, described Integral double-frequency antenna, and adopt 50*50 antenna as body, body center is as high band antenna, and outside body, radiating surface is as low-frequency range antenna.
6. the combined potato masher antenna of one according to claim 1, is characterized in that, the quantity of described antenna element group is four groups, designs on array antenna simultaneously, and distribution form adopts the array of omnidirectional distribution.
7. the combined potato masher antenna of one according to claim 1, is characterized in that, the low-frequency range antenna of described antenna element and high band antenna all realize circular polarization by single feedback, offset-fed or double-fed.
8. the combined potato masher antenna of the one according to claim 1 or 7, is characterized in that, the low-frequency range antenna of antenna element adopts the form of double-fed to realize circular polarization, and high band antenna adopts single feedback form to realize circular polarization.
9. the combined potato masher antenna of one according to claim 1, is characterized in that, described antenna element as one independently combined antenna be applied on planar array antenna or be applied in three-dimensional tapered battle array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312946.6A CN104934724A (en) | 2015-06-09 | 2015-06-09 | Combination type anti-interference antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312946.6A CN104934724A (en) | 2015-06-09 | 2015-06-09 | Combination type anti-interference antenna |
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| CN104934724A true CN104934724A (en) | 2015-09-23 |
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| CN201510312946.6A Pending CN104934724A (en) | 2015-06-09 | 2015-06-09 | Combination type anti-interference antenna |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107749761A (en) * | 2017-09-25 | 2018-03-02 | 维沃移动通信有限公司 | A kind of anti-interference method and mobile terminal |
| CN111509403A (en) * | 2019-01-31 | 2020-08-07 | Oppo广东移动通信有限公司 | Array antenna and electronic device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151606A (en) * | 2013-02-04 | 2013-06-12 | 河北科技大学 | Nested type Koch fractal Beidou dual-frequency micro-strip antenna |
| CN203288752U (en) * | 2013-05-08 | 2013-11-13 | 广东盛路通信科技股份有限公司 | High-isolation-degree multi-frequency transmitting-receiving antenna |
| CN203800163U (en) * | 2014-03-04 | 2014-08-27 | 广东盛路通信科技股份有限公司 | Anti-interference antenna array capable of improving low elevation gain |
| CN104319467A (en) * | 2014-10-14 | 2015-01-28 | 陕西海通天线有限责任公司 | Five-frequency-section user machine antenna being compatible with Beidou and GPS (Global Positioning System) functions |
| CN205081242U (en) * | 2015-06-09 | 2016-03-09 | 广东盛路通信科技股份有限公司 | Combined anti -interference antenna |
-
2015
- 2015-06-09 CN CN201510312946.6A patent/CN104934724A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151606A (en) * | 2013-02-04 | 2013-06-12 | 河北科技大学 | Nested type Koch fractal Beidou dual-frequency micro-strip antenna |
| CN203288752U (en) * | 2013-05-08 | 2013-11-13 | 广东盛路通信科技股份有限公司 | High-isolation-degree multi-frequency transmitting-receiving antenna |
| CN203800163U (en) * | 2014-03-04 | 2014-08-27 | 广东盛路通信科技股份有限公司 | Anti-interference antenna array capable of improving low elevation gain |
| CN104319467A (en) * | 2014-10-14 | 2015-01-28 | 陕西海通天线有限责任公司 | Five-frequency-section user machine antenna being compatible with Beidou and GPS (Global Positioning System) functions |
| CN205081242U (en) * | 2015-06-09 | 2016-03-09 | 广东盛路通信科技股份有限公司 | Combined anti -interference antenna |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107749761A (en) * | 2017-09-25 | 2018-03-02 | 维沃移动通信有限公司 | A kind of anti-interference method and mobile terminal |
| CN111509403A (en) * | 2019-01-31 | 2020-08-07 | Oppo广东移动通信有限公司 | Array antenna and electronic device |
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Application publication date: 20150923 |
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