CN107591617A - A kind of SIW back of the body chamber slot antennas of mixing AMC tessellates structure loading - Google Patents
A kind of SIW back of the body chamber slot antennas of mixing AMC tessellates structure loading Download PDFInfo
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Abstract
The invention provides a kind of SIW of mixing AMC tessellates structure loading to carry on the back chamber slot antenna, belongs to microwave antenna art field.The present invention is three layer printed circuit board PCB constructions, including radiating slot, SIW cavitys and the cycle artificial magnetic conductor AMC surface with opposite reflected phase.The present invention uses the anti-phase principle of cancellation of backscattering ripple constant amplitude, can realize that the Antenna/RCS of X, K and Ku wave band suppresses.In addition, SIW back cavity structures can effectively cut down the section size of antenna, also, the radiation characteristic of slot antenna can produce enhancing effect because being influenceed by period surface.The present invention can be used in boat-carrying, airborne and vehicle-mounted communication system, it can also be used to stealthy and communication function is realized in smart skins system.
Description
Technical field
The invention belongs to microwave antenna art field, and in particular to a kind of SIW back of the body chambers of mixing AMC tessellates structure loading
Slot antenna.
Background technology
Plate aerial it is civilian with military application because its cost is low, section is low, dependable performance and it is easy to process with
The characteristic such as integrated plays an important role.With the development of steal th and anti-stealth technology, in some special applications, such as intelligence is covered
Skin communication system, the RCS decrements of antenna have urgent practical application request.The most common method for reducing Antenna/RCS is collection
Always/distributed component loading technique and use radar absorbing material, so as to be heat by microwave radio energy conversion, then both
The shortcomings that method is that they can deteriorate the radiance of antenna；Using bionics technology and electro-magnetic bandgap (EBG) structure, surpass
The methods of material/surface texture, can effectively suppress the interior mono- static RCS of band of antenna, but its shortcoming be for outer RCS then without
Method realizes decrement；Frequency-selective surfaces (FSS) structure, which is used for Antenna Design, can realize that the outer RCS of the band of broad frequency band suppresses, but
Its technical characteristic natively limits its RCS being used in aerial band and suppressed.Therefore, how the radiation characteristic of antenna is being strengthened
Under the premise of realize ultra wide band RCS suppress, be low RCS Antenna Designs problem.
Document " Thin AMC Structure for Radar Cross-Section Reduction (Maurice
Paquay, Juan-Carlos Iriarte,Ederra, Ramon Gonzalo and Peter de Maagt, IEEE
Transactions on Antennas and Propagation, 2007,55 (126)：3630-3638.) " propose one kind
The new tessellate structure being made up of AMC periodic structures and perfect electric conductor PEC is used to realize that the RCS of paster antenna to suppress, real
The result of survey shows to reduce relative to the RCS realized with reference to the metallic plate structure more than 20dB, but the structure be only capable of realizing it is narrow
RCS in the range of band suppresses, it is necessary to further expand its RCS decrement bandwidth.
Document " Wideband RCS Reduction of A Microstrip Antenna Using Artificial
Magnetic Conductor Structures (Yuejun Zheng, Jun Gao, Xiangyu Cao, Zidong Yuan
And Huanhuan Yang, IEEE Antennas and Wireless Propagation Letters, 2015,14：
1582-1585.) " it is centered around using a kind of tessellate mixing AMC surfaces around microstrip antenna, emulation reduces bandwidth backwards to RCS
For 8-20GHz, maximum RCS decrements are 31.9dB.This is that the RCS of microstrip antenna so far suppresses the relatively wide public affairs of bandwidth
Report is opened, but the reflection that the mixing artificial surface can be to antenna produces certain influence with radiance, such as causes a little resonance
Frequency shift (FS) and gain slightly decline etc..
Document " A Low-RCS and High-Gain Slot Antenna Using Broadband Metasurface
(Yi Zhao, Xiangyu Cao, Jun Gao, Xu Yao and Xiao Liu, IEEE Antennas and Wireless
Propagation Letters, 2016,15：290-293.) " principle based on same reflection counteracting, devising one group has
The super surface of back reflection coefficient, this is surpassed into surface and is centered around around slot antenna, is realized in 4.95-7.18GHz frequency bands
RCS suppresses, and can lift the radiation gain of slot antenna.But due to there is the presence of rearmounted feed waveguide, the entirety of antenna is cutd open
Face is higher, and the RCS of slot antenna suppresses bandwidth also still with the space that can be further lifted.
On the other hand, the profile control of slot antenna is a great practical application meaning and the technology that is difficult to is chosen
War.Document " Planar Slot Antenna Backed by Substrate Integrated Waveguide Cavity
(Guo Qing Luo, Zhi Fang Hu, Lin Xi Dong and Ling Ling Sun, IEEE Antennas and
Wireless Propagation Letters, 2008,7：236-239.) devise a coplanar with being grounded based on SIW technologies
The low section back of the body chamber planar slot antenna of waveguiding structure, the antenna thickness processed is only 1/50 wavelength, and the front and rear ratio tested
It is 16.1dB and -19dB with maximum cross polar component.The design solve Small-slotted Planar Antenna Array because of feed and caused by height cut open
Face problem, and ensure that the premium properties of antenna.
, it is necessary to consider the reflection of slot antenna simultaneously for the Small-slotted Planar Antenna Array with ultra wide band RCS rejections
With radiance, the suppression bandwidth of Antenna/RCS, and the reasonable section of making antenna, to take into account three simultaneously, be one very
There is the technical barrier of challenge.
The content of the invention
In view of the above-mentioned problems of the prior art, it is an object of the invention to provide one kind to mix AMC tessellate structures
The SIW back of the body chamber slot antennas of loading.
The technical scheme of problem use is belonging to present invention solution：
A kind of SIW back of the body chamber slot antennas of mixing AMC tessellates structure loading, including upper layer medium substrate 1, layer dielectric
Substrate 2, two kind have the artificial magnetic conductor AMC period surfaces 3 and 4 of identical patterns difference floor panel structure, slot excitation paster 5,
Excitation probe 6, metallic intermediate layer paster 7, underlying metal paster 8, the square resonators of substrate integration wave-guide SIW metallic vias 9,
Probe joint 10, the circular vias 11 on metallic intermediate layer paster 7, radiating slot 12 and positioned at underlying metal paster 8
Circular vias 13；
The upper layer medium substrate 1 is located between AMC period surfaces 3,4 and metallic intermediate layer paster 7；The layer dielectric
Substrate 2 is between metallic intermediate layer paster 7 and underlying metal paster 8；The slot excitation paster 5 is located at upper layer medium substrate
1 upper surface；The excitation probe 6 is placed through the circular vias 11 of metallic intermediate layer paster 7 and positioned at underlying metal paster 8
Circular vias 13 distinguish linking probe joint 10 and excitation paster 5；The metallic intermediate layer paster 7 is cross shape；SIW side
Shape resonator is by the metallic vias 9 positioned at the lower section of radiating slot 12 and part metallic intermediate layer paster 7 and part bottom gold
Category paster 8 forms；The probe joint 10 is located at the lower surface of underlying metal paster 8, is SMA coaxial fittings；The radiating slot
Gap 12 is formed by the etching of the part of metallic intermediate layer paster 7；
The antenna is fed by probe joint 10；Pumping signal is transitioned into slot excitation paster 5 by excitation probe 6
On, encourage the main mould TE of the square resonators of SIW110Pattern, and due to there is a reflex of SIW cavitys, radiating slot 12 to
Upper radiated electromagnetic energy；
The scattering properties control of the antenna positioned at the AMC period surfaces 3 of corner and four including four by being located at four sides
The AMC period surfaces 3,4 of midpoint are realized；AMC units in AMC period surfaces 3,4 are periodically distributed in SIW with tessellate
Around square resonator；In final structure, the feed structure of AMC period surfaces 3,4 and gap radiation antenna constitutes a chess
Disk shape, the feed structure of slot antenna are located at the center of tessellate.
The beneficial effects of the invention are as follows：
(1) in the present invention SIW back ofs the body chamber introducing, broken commonly used in existing report technology in order to shield backward radiation and
The solid metal reflector of addition must have the confinement of quarter-wave long range between radiating antenna, realize slot antenna
Low Section Design；
(2) the AMC units of AMC period surfaces have different reflected phases in the present invention, and they are reflected in ultra-wideband
(8.5~26.5GHz) is maintained at 180 ° ± 30 ° of phase difference in band, then the backscattering on two kinds of periodic structures is in the frequency band
It is interior to cancel out each other, it is achieved thereby that the RCS decrements in ultra wide band；
(3) the AMC units in the present invention in AMC period surfaces 3,4 are periodically distributed in slot antenna with tessellate
Around, realize antenna reducing backwards to RCS in the range of 9~27GHz；
(4) with the loading of AMC period surfaces and distribution form, the radiation for enhancing slot antenna increases auxiliary in the present invention
Benefit；
(5) implementation of the invention can effectively strengthen the Stealth Fighter of antenna and communication work(in airborne, carrier-borne and vehicular applications
Energy.
Brief description of the drawings
Fig. 1 is the side view of the SIW back of the body chamber slot antennas of mixing AMC tessellates structure loading provided by the invention；
Fig. 2 is the top view of slot antenna provided by the invention；
Fig. 3 is the upward view of slot antenna provided by the invention；
Fig. 4 is the schematic diagram in the AA sections in Fig. 1；
Fig. 5 is the structural representation of AMC period surfaces unit provided by the invention；
Fig. 6 is the reflected phase and phase difference simulation curve of AMC period surfaces provided by the invention；
Fig. 7 is the reflectance factor simulation curve of the slot antenna provided by the invention for whetheing there is the loading of AMC period surfaces；
Fig. 8 is the antenna pattern simulation curve of the slot antenna provided by the invention for whetheing there is the loading of AMC period surfaces；
Fig. 9 is changing backwards to mono- static RCS with frequency for the slot antenna provided by the invention for whetheing there is the loading of AMC period surfaces
Simulation curve；
Figure 10 is the RCS decay curves of the slot antenna provided by the invention with the loading of AMC period surfaces.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings and the specific embodiments.
Present embodiment provides a kind of SIW back of the body chamber slot antennas of mixing AMC tessellates structure loading, its side view
Respectively as shown in Figure 1, Figure 2 and Figure 3, Fig. 4 is the schematic diagram at AA interfaces in Fig. 1, including top dielectric for figure, top and bottom perspective views
Substrate 1, layer dielectric substrate 2, two kind of AMC period surface 3 and 4 with identical patterns difference floor panel structure, slot excitation patch
Piece 5, excitation probe 6, metallic intermediate layer paster 7, underlying metal paster 8, the metallic vias 9 of the square resonators of SIW, probe joint
10th, the circular vias 11 on metallic intermediate layer paster 7, radiating slot 12 and the circular vias positioned at underlying metal paster 8
13；
The upper layer medium substrate 1 is located between AMC period surfaces 3,4 and metallic intermediate layer paster 7；The layer dielectric
Substrate 2 is between metallic intermediate layer paster 7 and underlying metal paster 8；The slot excitation paster 5 is located at upper layer medium substrate
1 upper surface；The excitation probe 6 is placed through the circular vias 11 of metallic intermediate layer paster 7 and positioned at underlying metal paster 8
Circular vias 13 distinguish linking probe joint 10 and excitation paster 5；The metallic intermediate layer paster 7 is cross shape；SIW side
Shape resonator is by the metallic vias 9 positioned at the lower section of radiating slot 12 and part metallic intermediate layer paster 7 and part bottom gold
Category paster 8 forms；The probe joint 10 is located at the lower surface of underlying metal paster 8, is SMA coaxial fittings；The radiating slot
Gap 12 is formed by the etching of the part of metallic intermediate layer paster 7；
The plan structure of the present embodiment slot antenna as shown in Fig. 2 tessellate distribution is presented in upper antenna surface, wherein, it is main
Include four AMC period surfaces 3, four positioned at corner positioned at the AMC period surfaces 4 of four side midpoints and positioned at this
The feed structure of slot antenna on tessellate center.
The present embodiment slot antenna look up structure as shown in figure 3, serve as floor effect underlying metal paster 8 on etch
There is a circular vias 13；The excitation probe 6 is connected through the circular vias 13 and with slot excitation paster 5, so as to real
Now to the excitation of slot antenna.
The interlayer structure of the present embodiment slot antenna is as shown in figure 4, the layer mainly includes layer gold metal in cross
The radiating slot 12 etched on paster 7, circular vias 11 and metallic intermediate layer paster 7 on metallic intermediate layer paster 7；
The excitation probe 6 is connected through the circular vias 11 and with slot excitation paster 5, so as to realize swashing to radiating slot 12
Encourage；The feed structure can encourage the bidirectional radiation of radiating slot 12, and can encourage the master of the square resonators of SIW
Mould TE110Pattern；Due to there is the reflex of SIW cavitys, radiating slot 12 can only upward radiated electromagnetic energy；Radiating slot 12
Length determine that the resonant frequency of antenna is 10.8GHz.
The ultra wide band RCS of the present embodiment slot antenna suppresses to be explained with the principle that anti-phase scattering is offset.Fig. 5 is institute
The cellular construction schematic diagram of AMC period surfaces 3 and 4 is stated, two kinds of AMC units have identical metal pattern and different ground hardened
Structure, that is to say, that two kinds of units have different floor reflection distances, and the unit reflective distance of wherein AMC period surfaces 3 is
The unit reflective distance of 4mm, AMC period surface 4 is 2mm.Therefore, AMC period surfaces 3 and 4 have identical reflection amplitudes with
Different reflected phases.
Fig. 6 is the reflected phase and phase difference simulation curve of the AMC period surfaces 3 and 4.The AMC as seen from the figure
The reflected phase of period surface 3 and 4 is held in 8.5~26.5GHz frequency bands in the range of 180 ° ± 30 °, and this shows by phase
The structure formed with the AMC period surfaces 3 and 4 of size can realize -10dB RCS in 8.5~26.5GHz frequency bands
Suppress.If simultaneously it is expected that the AMC period surfaces 3 and 4 of formed objects are carried in around slot antenna with shape
Cost implementation slot antenna, it can also realize the suppression of RCS in broadband.
Fig. 7 is the present embodiment slot antenna and has identical size therewith and the reference seam without the loading of AMC period surfaces
The reflectance factor simulation curve of gap antenna.Contrast shows, when there is the AMC period surfaces 3 and 4 to load, slot antenna it is humorous
Vibration frequency will not shift.That is, the loading of the AMC period surfaces 3 and 4 is several for the reflection characteristic of slot antenna
Without influence.
Fig. 8 is the present embodiment slot antenna and has identical size therewith and the reference seam without the loading of AMC period surfaces
The simulated gain directional diagram of gap antenna.As seen from the figure, when there is the AMC period surfaces 3 and 4 to load, slot antenna is in side
The radiation gain penetrated on direction has 2.9dB enhancing.That is, the loading of the AMC period surfaces 3 and 4 is for gap
The radiation characteristic of antenna has booster action.
Fig. 9 is the present embodiment slot antenna and has identical size therewith and the reference seam without the loading of AMC period surfaces
The simulation curve changed backwards to mono- static RCS with frequency of gap antenna.Contrast shows that the loading for stating AMC period surfaces 3 and 4 is certain
The mono- static RCS backwards of slot antenna can be suppressed in ultra wide band.Figure 10 is the difference backwards to mono- static RCS of two kinds of antennas.From
Find out in figure, the loading of the AMC period surfaces 3 and 4 can realize antenna pressing down backwards to RCS in the range of 9~27GHz
System, minimum amount of suppression is -6dB.
In summary, 9 can not only be realized by the loading of the AMC period surfaces 3 and 4, the present embodiment slot antenna
RCS in the range of~27GHz suppresses, and the reflection characteristic of antenna does not receive influence, and radiation characteristic is in resonant frequency
Strengthened.The implementation of the present embodiment slot antenna can effectively strengthen airborne, the carrier-borne stealth with antenna in vehicular applications
Energy and communication function.
Claims (3)
1. the SIW back of the body chamber slot antennas of a kind of mixing AMC tessellates structure loading, it is characterised in that including upper layer medium substrate
(1), layer dielectric substrate (2), artificial magnetic conductor AMC period surfaces (3,4), slot excitation paster (5), excitation probe (6), in
Interbed metal patch (7), underlying metal paster (8), the metallic vias (9) of the square resonators of substrate integration wave-guide SIW, probe connect
Head (10), the circular vias (11) on metallic intermediate layer paster (7), radiating slot (12) and positioned at underlying metal paster
(8) circular vias (13)；
The upper layer medium substrate (1) is located between AMC period surfaces (3,4) and metallic intermediate layer paster (7)；The lower floor is situated between
Matter substrate (2) is located between metallic intermediate layer paster (7) and underlying metal paster (8)；The slot excitation paster (5) is positioned at upper
The upper surface of layer medium substrate (1)；The excitation probe (6) is placed through the circular vias (11) of metallic intermediate layer paster (7)
With circular vias (13) the difference linking probe joint (10) and excitation paster (5) positioned at underlying metal paster (8)；The centre
Layer metal patch (7) is cross shape；The square resonators of SIW by the metallic vias (9) positioned at the lower section of radiating slot (12) and
Part metallic intermediate layer paster (7) and part bottom metal patch (8) composition；The probe joint (10) is located at underlying metal
The lower surface of paster (8), it is SMA coaxial fittings；The radiating slot (12) by metallic intermediate layer paster (7) part etching and
Into.
2. the SIW back of the body chamber slot antennas of mixing AMC tessellates structure loading according to claim 1, it is characterised in that logical
Cross probe joint (10) feed；Pumping signal is transitioned on slot excitation paster (5) by excitation probe (6), has encouraged SIW side
The main mould TE of shape resonator110Pattern, the reflex of SIW cavitys cause radiating slot (12) upward radiated electromagnetic energy.
3. the SIW back of the body chamber slot antennas of mixing AMC tessellates structure loading according to claim 1, it is characterised in that day
The scattering properties of line controls the AMC period surfaces (3) and four be located at four side midpoints AMC weeks by being located at corner including four
Realize on phase surface (4)；AMC units in AMC period surfaces (3,4) are periodically distributed in the square resonators of SIW with tessellate
Around；The feed structure of AMC period surfaces (3,4) and gap radiation antenna constitutes a chessboard pattern, the feedback of slot antenna
Electric structure is located at the center of tessellate.
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Cited By (13)
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| CN108470973A (en) * | 2018-03-09 | 2018-08-31 | 南京航空航天大学 | Broadband RCS based on gap load reduces super surface |
| CN109167180A (en) * | 2018-09-03 | 2019-01-08 | 中国人民解放军空军工程大学 | Spatial polarizations filter |
| CN109193171A (en) * | 2018-09-19 | 2019-01-11 | 西安电子科技大学 | A kind of low RCS microstrip antenna based on Van Atta array polarization conversion |
| CN109830803A (en) * | 2019-03-28 | 2019-05-31 | 电子科技大学 | Low radar scattering cross section microstrip antenna |
| CN111029792A (en) * | 2019-12-30 | 2020-04-17 | 北京航空航天大学 | Modified chessboard structure array suitable for near-field plane wave simulator |
| CN111262018A (en) * | 2020-02-02 | 2020-06-09 | 西南交通大学 | Broadband low RCS patch antenna based on FSS transmission and reflection cancellation |
| CN111384592A (en) * | 2020-02-25 | 2020-07-07 | 福瑞泰克智能系统有限公司 | Antenna device and radar |
| CN111799568A (en) * | 2020-06-03 | 2020-10-20 | 福瑞泰克智能系统有限公司 | Radar cross section reducing surface, radar and vehicle |
| CN111900547A (en) * | 2020-08-21 | 2020-11-06 | 西安电子科技大学 | Broadband low-scattering microstrip array antenna based on coded super surface |
| CN112216993A (en) * | 2020-09-23 | 2021-01-12 | 电子科技大学 | Ultra-thin ultra-wideband chessboard structure RCS reduced super surface |
| CN113036413A (en) * | 2021-03-05 | 2021-06-25 | 中国电子科技集团公司第三十八研究所 | Super surface and antenna structure with electric conductors and magnetic conductors polarized mutually perpendicular |
| CN114374092A (en) * | 2021-12-23 | 2022-04-19 | 西安电子科技大学 | Broadband low-profile miniaturized AMC cavity monopole antenna |
| CN116315664A (en) * | 2023-05-11 | 2023-06-23 | 微网优联科技(成都)有限公司 | Reconfigurable antenna |
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| CN108470973B (en) * | 2018-03-09 | 2023-11-07 | 南京航空航天大学 | Broadband RCS (radio control system) reduced super surface based on gap loading |
| CN108470973A (en) * | 2018-03-09 | 2018-08-31 | 南京航空航天大学 | Broadband RCS based on gap load reduces super surface |
| CN109167180A (en) * | 2018-09-03 | 2019-01-08 | 中国人民解放军空军工程大学 | Spatial polarizations filter |
| CN109193171B (en) * | 2018-09-19 | 2021-06-01 | 西安电子科技大学 | Low RCS microstrip antenna based on Van Atta array polarization conversion |
| CN109193171A (en) * | 2018-09-19 | 2019-01-11 | 西安电子科技大学 | A kind of low RCS microstrip antenna based on Van Atta array polarization conversion |
| CN109830803A (en) * | 2019-03-28 | 2019-05-31 | 电子科技大学 | Low radar scattering cross section microstrip antenna |
| CN111029792A (en) * | 2019-12-30 | 2020-04-17 | 北京航空航天大学 | Modified chessboard structure array suitable for near-field plane wave simulator |
| CN111029792B (en) * | 2019-12-30 | 2021-05-04 | 北京航空航天大学 | Modified chessboard structure array suitable for near-field plane wave simulator |
| CN111262018A (en) * | 2020-02-02 | 2020-06-09 | 西南交通大学 | Broadband low RCS patch antenna based on FSS transmission and reflection cancellation |
| CN111384592A (en) * | 2020-02-25 | 2020-07-07 | 福瑞泰克智能系统有限公司 | Antenna device and radar |
| CN111384592B (en) * | 2020-02-25 | 2024-01-30 | 福瑞泰克智能系统有限公司 | Antenna device and radar |
| CN111799568A (en) * | 2020-06-03 | 2020-10-20 | 福瑞泰克智能系统有限公司 | Radar cross section reducing surface, radar and vehicle |
| CN111900547B (en) * | 2020-08-21 | 2021-04-27 | 西安电子科技大学 | Broadband low-scattering microstrip array antenna based on coded super surface |
| CN111900547A (en) * | 2020-08-21 | 2020-11-06 | 西安电子科技大学 | Broadband low-scattering microstrip array antenna based on coded super surface |
| CN112216993B (en) * | 2020-09-23 | 2021-07-06 | 电子科技大学 | Ultra-thin ultra-wideband chessboard structure RCS reduced super surface |
| CN112216993A (en) * | 2020-09-23 | 2021-01-12 | 电子科技大学 | Ultra-thin ultra-wideband chessboard structure RCS reduced super surface |
| CN113036413A (en) * | 2021-03-05 | 2021-06-25 | 中国电子科技集团公司第三十八研究所 | Super surface and antenna structure with electric conductors and magnetic conductors polarized mutually perpendicular |
| CN114374092A (en) * | 2021-12-23 | 2022-04-19 | 西安电子科技大学 | Broadband low-profile miniaturized AMC cavity monopole antenna |
| CN114374092B (en) * | 2021-12-23 | 2022-12-06 | 西安电子科技大学 | Broadband low-profile miniaturized AMC cavity monopole antenna |
| CN116315664A (en) * | 2023-05-11 | 2023-06-23 | 微网优联科技(成都)有限公司 | Reconfigurable antenna |
| CN116315664B (en) * | 2023-05-11 | 2023-07-25 | 微网优联科技(成都)有限公司 | Reconfigurable antenna |
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