CN107611575A - A kind of end-on-fire antenna based on surface wave guide Yu super surface absorber composite construction - Google Patents
A kind of end-on-fire antenna based on surface wave guide Yu super surface absorber composite construction Download PDFInfo
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Abstract
The invention discloses a kind of end-on-fire antenna based on surface wave guide Yu super surface absorber composite construction, it is related to microwave antenna art field.The structure of end-on-fire antenna is mainly made up of parts such as surface wave guide, excitation paster, reflector paster and super surface absorbers.Surface duct with conduction surfaces ripple, can both show the characteristic of low pass and high frequency treatment band logical frequency-selective surfaces at low frequency again so as to suppress end-on-fire antenna in partial-band backwards to mono- static RCS.Excitation paster above surface wave guide can encourage the surface wave in surface duct to be propagated along some direction with reflector paster and give off electromagnetic energy because of discontinuity in the edge of waveguide.In addition, super surface absorber can absorb the electro-magnetic wave absorption on band segment, so as to inhibit end-on-fire antenna in the RCS of the frequency range.Surface wave guide is suppressed to be combined with the RCS of super surface absorber, the end-on-fire antenna can realize that good end-fire performance suppresses function with the RCS in ultra wide band range.
Description
Technical field
The invention belongs to microwave antenna art field, and in particular to one kind is answered based on surface wave guide with super surface absorber
Close the end-on-fire antenna of structure.
Background technology
In the last few years, with detecting and the development of stealth technology, the RCS RCS of plate aerial receives more next
More concerns.Plate aerial is a very special scattering object, is difficult often to take into account its radiation characteristic and low RCS simultaneously
Characteristic.In practical application, lump/distributed component loading technique is with being most commonly seen reduction antenna using radar absorbing material
RCS method, it by microwave radio energy conversion is heat that their working mechanism, which is all, but is attached the shortcomings that both approaches
Deterioration with antenna radiation performance.In recent years, electro-magnetic bandgap (EBG) structure is introduced extensively with structures such as Meta Materials/surfaces
Into the design of low RCS plate aerials, the interior RCS of band that have effectively achieved antenna suppresses, but for outer RCS, then incapability is
Power.It is suggested and is introduced in the design of low RCS plate aerials in addition, strategy is offset in anti-phase scattering, this method is by tool
There are two kinds of artificial cycle surfaces of the anti-phase reflected phase of constant amplitude, realize cancelling out each other for antenna backscattering, but this method
The shortcomings that be RCS suppress the general relative narrower of bandwidth.Therefore, how to be realized on the premise of the radiation characteristic of plate aerial is ensured
The RCS of ultra wide band suppresses, and is the huge challenge of low RCS Antenna Designs.
Document " Thin AMC Structure for Radar Cross-Section Reduction by Using
Hybrid Frequency Selective Surfaces (Simone Genovesi, Filippo Costa and
Agostino Monorchio, IEEE Transactions on Antennas and Propagation, 2012,60 (5)：
2327-2335.) " propose a low section flat plate array antenna based on hybrid frequency selection surface (FSS), the work of antenna
Working frequency is designed in FSS stopband, and in passband, FSS shows as fully transparent property, the global RCS of array antenna from
And it is suppressed in the passband.This design both ensure that Radar Objective Characteristics of the antenna outside its working band, in turn ensure that its band
Interior radiation characteristic.Test result shows Antenna Operation in 2.5GHz, and RCS rejection bands are 6~9GHz.But simple FSS structures
A big significant drawback applied to low RCS Antenna Designs is that the interior RCS of band of antenna can not be inhibited.
Document " Wideband Radar Cross-Section Reduction of a Stacked Patch Array
Antenna Using Metasurface (Cheng Huang, Wenbo Pan, Xiaoliang Ma and Xiangang
Luo, IEEE Antennas and Wireless Propagation Letters, 2015,14：1369-1372.) " by bilayer
Super surface texture is incorporated into the design of low RCS plate aerials.The underlying surfaces on double-deck super surface are by four square patch and four
Individual loading resistor composition, its effect are the RCS decrements in the working band for realize paster antenna.And the super surface in upper strata is by the cycle
Q-RING and four loading resistors are formed, in order to absorb the incident electromagnetic wave outside the working band of antenna.This final pair
The RCS that the super surface of layer realizes broadband suppresses, and without the radiance of antenna designed by deterioration.However, the RCS of the design
Suppression bandwidth still has can room for promotion.
End-on-fire antenna is had a wide range of applications because of its high-gain with the directional diagram parallel to horizontal plane, thus RCS is pressed down
It is significantly that system, which is focused in the design of flat board end-on-fire antenna,.Document " Vivaldi antenna with reduced
RCS using half-mode substrate integrated waveguide (Yongtao Jia, Ying Liu, Yuwen
Hao and Shuxi Gong, Electronics Letters, 2014,50 (5), pp.345-346.) devise a be based on
The Vivaldi antennas of half module substrate integrated wave guide.Compared with traditional Vivaldi antennas, designed antenna can realize height
RCS up to 24dB reduces, and the radiance of antenna will not be had an impact.However, the bandwidth and inadequate that Antenna/RCS suppresses
It is wide.
For the flat board end-on-fire antenna suppressed with ultra wide band RCS, subtracting for ultrabroad band internal antenna RCS should be realized
Contracting, ensure that the end-fire performance of plate aerial will not be deteriorated again, be a very challenging technical barrier.
The content of the invention
It is an object of the invention to overcome above-mentioned technical problem, there is provided one kind is based on surface wave guide and super surface absorber
The end-on-fire antenna of composite construction.
The present invention solves the technical problem and adopted the technical scheme that：
A kind of end-on-fire antenna based on surface wave guide Yu super surface absorber composite construction, slot antenna can ensured
Realize reducing backwards to mono- static RCS in ultrabroad band while good radiance, including super surface absorber part, radiate
Paster antenna part, surface wave guide part and feed section；The super surface absorber part includes the resistance of periodic arrangement
The square ring element and upper layer medium substrate 1 of loading；The square ring element of each resistor loaded includes Q-RING paster 2 and four
Loading resistor 3；The radiation patch antenna part includes banding radiation patch 4 and three parasitic ribbon reflector pasters 5；It is described
Banding radiation patch 4 and the parasitic ribbon reflector paster 5 are printed on the upper surface of interlayer substrate 6；Surface wave
Waveguides sections include underlying dielectric substrate 8 and I-shaped periodic unit；Each I-shaped unit includes in I-shaped periodic unit
Upper strata square patch 7 and lower floor's square patch 9 and the cylindrical metal probe 11 through underlying dielectric substrate 8；The current feed department
Dividing includes feed metal probe 10, sub-miniature A connector 12 and short circuit metallic probe 13；
The Q-RING paster 2 and the loading resistor 3 are respectively positioned on the upper surface of upper layer medium substrate 1；The banding spoke
Penetrate paster 4 and the parasitic ribbon reflector paster 5 is respectively positioned on the upper surface of interlayer substrate 6；The I-shaped unit
Upper strata square patch 7 be located at the lower surface of interlayer substrate 6；The lower surface of the interlayer substrate 6 and bottom
The upper surface of medium substrate 8 overlaps；Lower floor's square patch 9 of the I-shaped unit is located at the lower surface of underlying dielectric substrate 8；
The air gap that thickness is 8mm is there are between the upper layer medium substrate 1 and interlayer substrate 6；It is described I-shaped
Cylindrical metal probe 11 penetrates underlying dielectric substrate 8 and connects the upper strata square patch 7 and lower floor's square patch of I-shaped unit
9；The sub-miniature A connector 12 is located at the lower surface of underlying dielectric substrate 8；The feed metal probe 10 penetrates interlayer substrate
6 and underlying dielectric substrate 8 and connect banding metal patch 4 and sub-miniature A connector 12；The short circuit metallic probe 13 penetrates intermediate layer Jie
Matter substrate 6 and underlying dielectric substrate 8 and the lower floor's square patch 9 for connecting banding metal patch 4 and I-shaped unit；
The antenna is fed by feed metal probe 10, short circuit metallic probe 13 and sub-miniature A connector 12；Excitation letter
Number it is transitioned on strip metal paster 4, is allowed in feed metal probe 10 and short circuit metallic spy by feed metal probe 10
A doublet radiator is formed under the effect of pin 13, so as to encourage the surface wave in surface wave guide；The antenna
Radiation characteristic is mainly derived from the surface wave that excitation paster has encouraged in surface wave guide.What surface wave guide used
Periodic structure symmetrical above and below, in the x direction from the point of view of, it can be equivalent to a very high medium of dielectric constant.According to
The Si Naier laws of refraction, higher refractive index (dielectric constant) can realize total reflection, it is thus possible to propagate surface wave.Excitation letter
Number it is transitioned into by excitation probe on excitation paster and can plays TE in surface duct underexcitation0The surface wave of pattern, the surface wave
Propagated along ± x directions.Simultaneously as there is the presence of reflector paster, it is suppressed along the surface wave in-x directions, and along
The surface wave that+x directions are propagated in the edge of waveguide due to the outside emittance of discontinuity, so as to realize that the end-fire of antenna is imitated
Fruit.Effective dielectric constant maximum of the resonant frequency design of the antenna in surface duct.
The scatter suppression of the antenna is then mainly partially completed by surface wave guide part and super surface absorber.Surface
Sonic wave guide for from+z directions irradiation electromagnetic wave frequence of exposure select surface characteristic, it shows as low pass at low frequency, compared with
High frequency treatment shows as band logical, and is shown as in intermediate bands fully reflective.Therefore, in the low pass of surface duct and with passband
Interior, antenna overall structure shows as fully transparent state, so as to reduce the RCS of the antenna；In fully reflective frequency band,
Surface duct shows as perfect electric conductor (PEC), so that super surface absorber part occurs work and then sponges irradiation
The electromagnetic wave come in, realize that the RCS of the antenna in the frequency range suppresses.On the whole, the antenna realizes above three
RCS in frequency range suppresses, and above three frequency range is combined, and just forms the low RCS designs in ultra wide band.
The beneficial effects of the invention are as follows：
(1) present invention proposes a kind of surface wave end-on-fire antenna, and different from common plane end-fire Principle of Antenna, its is main
It is that end-fire effect is realized by the radiation of surface wave, there is good radiation gain and front and rear ratio characteristic；
(2) frequency of the present invention by the scattering absorbent properties of super surface absorber with surface wave guide for vertical incidence ripple
Selection surface characteristic is ideally combined, and the composite construction that both form can realize the low RCS effects in ultra wide band frequency
Fruit；
(3) present invention combines the surface wave propagation ability that make use of surface wave guide and the frequency for vertical incidence ripple is selected
Select surface characteristic, be allowed to can either support surface ripple propagation so that edge formed end-fire radiation, have can part frequency
Take and realize low RCS designs.
(4) the final low RCS realized in the end-fire radiance and ultra wide band frequency of plate aerial of the present invention is set
Meter.By the implementation of the present invention, it can effectively strengthen airborne, carrier-borne Stealth Fighter and communication function with antenna in vehicular applications.
Brief description of the drawings
Fig. 1 is the side view of antenna of the present invention；
Fig. 2 is the top view of antenna of the present invention；
Fig. 3 is the upward view of antenna of the present invention；
Fig. 4 is the schematic diagram in the AA sections in Fig. 1；
Fig. 5 is the schematic diagram in the BB sections in Fig. 1；
Fig. 6 is the structural representation of the square ring element of resistor loaded in super surface absorber part provided by the invention；
Fig. 7 is the structural representation of I-shaped unit in surface wave guide part provided by the invention；
Fig. 8 is the square ring element and 9 surface wave ripples of resistor loaded in super surface absorber part provided by the invention
Lead the composite construction schematic diagram that I-shaped unit in part is formed；
Fig. 9 is the emulation S of composite construction is formed in Fig. 9 periodic structure under the conditions of electromagnetic wave irradiation from up to down
Parameter curve；
Figure 10 is the structural side view of reference antenna provided by the invention；
Figure 11 is the simulation curve of antenna reflection coefficient of the present invention；
Figure 12 is the simulated radiation directional diagram in the 4.2GHz frequencies of antenna of the present invention；
Figure 13 is emulation backwards to mono- static RCS of the antenna of the present invention with reference antenna under the conditions of TE polarizes incidence wave
Curve；
Figure 14 is that backwards mono- static RCS of the antenna of the present invention with reference antenna under the conditions of TM polarizes incidence wave presses down
Koji-making line；
Embodiment
The invention will be further described below in conjunction with the accompanying drawings and the specific embodiments.
Present embodiment provides a kind of end-on-fire antenna based on surface wave guide Yu super surface absorber composite construction,
Its side view while guarantee slot antenna good radiance as shown in figure 1, can realize in ultrabroad band backwards
Mono- static RCS reduces, including super surface absorber part, radiation patch antenna part, surface wave guide part and feed section；Institute
Stating super surface absorber part includes the square ring element and upper layer medium substrate 1 of resistor loaded of periodic arrangement；Each resistance
The square ring element of loading includes Q-RING paster 2 and four loading resistors 3；The radiation patch antenna part includes banding spoke
Penetrate paster 4 and three parasitic ribbon reflector pasters 5；The banding radiation patch 4 and the parasitic ribbon reflector paster 5 are equal
It is printed on the upper surface of interlayer substrate 6；Surface wave guide part includes underlying dielectric substrate 8 and the I-shaped cycle is single
Member；Each I-shaped unit includes upper strata square patch 7 and lower floor's square patch 9 and through bottom in I-shaped periodic unit
The cylindrical metal probe 11 of medium substrate 8；The feed section includes feed metal probe 10, sub-miniature A connector 12 and short circuit metallic
Probe 13；
The Q-RING paster 2 and the loading resistor 3 are respectively positioned on the upper surface of upper layer medium substrate 1；The banding spoke
Penetrate paster 4 and the parasitic ribbon reflector paster 5 is respectively positioned on the upper surface of interlayer substrate 6；The I-shaped unit
Upper strata square patch 7 be located at the lower surface of interlayer substrate 6；The lower surface of the interlayer substrate 6 and bottom
The upper surface of medium substrate 8 overlaps；Lower floor's square patch 9 of the I-shaped unit is located at the lower surface of underlying dielectric substrate 8；
The air gap that thickness is 8mm is there are between the upper layer medium substrate 1 and interlayer substrate 6；It is described I-shaped
Cylindrical metal probe 11 penetrates underlying dielectric substrate 8 and connects the upper strata square patch 7 and lower floor's square patch of I-shaped unit
9；The sub-miniature A connector 12 is located at the lower surface of underlying dielectric substrate 8；The feed metal probe 10 penetrates interlayer substrate
6 and underlying dielectric substrate 8 and connect banding metal patch 4 and sub-miniature A connector 12；The short circuit metallic probe 13 penetrates intermediate layer Jie
Matter substrate 6 and underlying dielectric substrate 8 and the lower floor's square patch 9 for connecting banding metal patch 4 and I-shaped unit；
The plan structure of the present embodiment surface wave end-on-fire antenna is as shown in Fig. 2 corresponding is super surface absorber part
Upper surface, it is mainly made up of the square ring element of the resistor loaded of 15 periodic arrangements with upper layer medium substrate 1, each resistance
The square ring element of loading is made up of Q-RING paster 2 and four loading resistors 3 again.
The present embodiment flat board end-on-fire antenna looks up structure as shown in figure 3, corresponding is the following table of surface wave guide part
Face.Surface wave guide part is mainly made up of underlying dielectric substrate 8 and 9 × 17 I-shaped periodic units, and each I-shaped
Shape unit forms by levels square patch 7 and 9 and through the cylindrical metal probe 11 of underlying dielectric substrate 8.
The schematic diagram in the AA sections in Fig. 1 as shown in figure 4, corresponding is the upper surface of radiation patch antenna part, wherein
Banding radiation patch 4 is radiation patch, and the parasitic ribbon reflector paster 5 that the other three has slightly length pastes for reflector
Piece, all pasters are all printed on interlayer substrate 6.The schematic diagram in the BB sections in Fig. 1 is as shown in figure 4, corresponding surface
The upper surface of sonic wave guide part.
The super surface absorber part of the present embodiment flat board end-on-fire antenna is periodic structure, and its cellular construction is as shown in Figure 6.
The effect of loading resistor is to absorb incident electromagnetic wave, and electromagnetic energy is converted into heat energy.The periodic structure occurs resonance absorbing and made
One extra condition is to need PEC structures below, and this condition can be realized by surface wave guide.
The surface wave guide part of the present embodiment flat board end-on-fire antenna is equally periodic structure, its cellular construction such as Fig. 7 institutes
Show.From the point of view of in the x direction, the surface wave guide can be equivalent to a very high medium of dielectric constant.According to Si Naier
The law of refraction, higher refractive index (dielectric constant) can realize total reflection, it is thus possible to propagate surface wave.Pumping signal passes through
Excitation probe, which is transitioned on excitation paster, to play TE in surface duct underexcitation0The surface wave of pattern, the surface wave is along ± x
Propagate in direction.Simultaneously as there is the presence of reflector paster, it is suppressed along the surface wave in-x directions, and along+x directions
The surface wave of propagation in the edge of waveguide due to the outside emittance of discontinuity, so as to realize the end-fire effect of antenna.Institute
State effective dielectric constant maximum of the resonant frequency design in surface duct of antenna.On the other hand, surface wave guide for from+
The electromagnetic wave frequence of exposure selection surface characteristic of z directions irradiation, it shows as low pass at low frequency, and band is shown as at higher-frequency
It is logical, and shown as in intermediate bands fully reflective.Therefore, in the low pass of surface duct and with passband, antenna is integrally tied
Structure shows as fully transparent state, so as to reduce the RCS of the antenna；In fully reflective frequency band, surface duct performance
For PEC, so that work occurs for super surface absorber part, and then the electromagnetic wave of irradiation is sponged, realized in the frequency range
The RCS of the antenna suppresses.
The surface wave guide is combined with super surface absorber and can be regarded as a composite construction, it is also one
Periodic structure, cellular construction schematic diagram are as shown in Figure 8.The composite construction unit by a resistor loaded square ring element and 9
Individual I-shaped unit composition.For the composite construction, when there is the irradiation for coming from+z directions electromagnetic wave, obtained S ginsengs are emulated
Number curve is as shown in Figure 9.As seen from the figure, in 0~2GHz and 9.5~11.5GHz frequency bands, composite construction is due to surface wave ripple
The frequency-selective surfaces for showing as passband are led, electromagnetic wave can be directed through the composite construction, in 2~9.5GHz frequency bands,
Surface wave guide shows as PEC, and super surface absorber plays the effect of electromagnetic wave absorption energy, and incident electromagnetic energy is changed
For ohmically heat.Thus this two parts frequency band is combined, the composite construction can be realized in 0~11.5GHz frequency bands
Low RCS performances.
In order to contrast the radiation of the present embodiment flat board end-on-fire antenna and Radar Objective Characteristics, a kind of reference antenna is given here and is made
It is as shown in Figure 10 for contrast, its side view structure.Reference antenna remains interlayer substrate 6, underlying dielectric substrate 8, banding
Metal patch 4 and 5, banding paster 4 pass through feed metal probe 10, sub-miniature A connector 12 and short circuit metallic probe 13.In intermediate layer
The lower surface of medium substrate 6, complete PEC floors are printed with, and reference antenna is fed by same energisation mode.
Figure 11 is the S parameter simulation curve of the present embodiment flat board end-on-fire antenna.As seen from the figure, the antenna can be fine
Resonance is realized on ground at 4.2GHz, and bandwidth is about 300MHz.
Figure 12 is the simulated radiation directional diagram of the present embodiment flat board end-on-fire antenna.As seen from the figure, the antenna exists
Good end-fire characteristic is presented at 4.2GHz, the front and rear ratio of end-on direction figure is less than -15dB, and cross polar component is very low.
Figure 13 is the present embodiment flat board end-on-fire antenna with reference antenna respectively under the conditions of TE and TM polarization incidence wave irradiations
Emulate obtain backwards to mono- static RCS year frequency change simulation curve.Contrast shows that the composite construction can actually be in ultra-wide
With interior suppression the present embodiment flat board end-on-fire antenna backwards to mono- static RCS.Figure 14 is the difference backwards to mono- static RCS of two kinds of antennas.
As seen from the figure, for TE and TM polarization incidence waves, the present embodiment flat board end-on-fire antenna antenna can be realized in 0~11.5GHz
Low RCS designs in frequency band.
In summary, the present embodiment flat board end-on-fire antenna has encouraged the surface wave in surface wave guide to pass by banding paster
Broadcast, radiation of the surface wave at waveguide edge can be realized and produce end-on direction figure, and it combines surface wave guide
The electromagnetic absorbing capacity of frequency-selective surfaces characteristic and super surface absorber, the low RCS realized in 0~11.5GHz frequency bands are set
Meter.The present embodiment flat board end-on-fire antenna can effectively strengthen the Stealth Fighter of antenna and communication work(in airborne, carrier-borne and vehicular applications
Energy.
Claims (5)
1. a kind of end-on-fire antenna based on surface wave guide Yu super surface absorber composite construction, it is characterised in that including super table
Face absorber part, radiation patch antenna part, surface wave guide part and feed section；The super surface absorber part bag
Include the square ring element and upper layer medium substrate (1) of the resistor loaded of periodic arrangement；The square ring element bag of each resistor loaded
Include Q-RING paster (2) and four loading resistors (3)；The radiation patch antenna part includes banding radiation patch (4) and three
Individual parasitic ribbon reflector paster (5)；The banding radiation patch (4) and the parasitic ribbon reflector paster (5) are printed
In the upper surface of interlayer substrate (6)；Surface wave guide part includes underlying dielectric substrate (8) and the I-shaped cycle is single
Member；Each I-shaped unit includes upper strata square patch (7) and lower floor's square patch (9) and run through in I-shaped periodic unit
The cylindrical metal probe (11) of underlying dielectric substrate (8)；The feed section includes feed metal probe (10), sub-miniature A connector
And short circuit metallic probe (13) (12)；
The Q-RING paster (2) and the loading resistor (3) are respectively positioned on the upper surface of upper layer medium substrate (1)；The banding
Radiation patch (4) and the parasitic ribbon reflector paster (5) are respectively positioned on the upper surface of interlayer substrate (6)；The work
The upper strata square patch (7) of font unit is located at the lower surface of interlayer substrate (6)；The interlayer substrate (6)
Lower surface overlapped with the upper surface of underlying dielectric substrate (8)；Lower floor's square patch (9) of the I-shaped unit is located at bottom
The lower surface of medium substrate (8)；The air gap is there are between the upper layer medium substrate (1) and interlayer substrate (6)；
The I-shaped cylindrical metal probe (11) penetrates underlying dielectric substrate (8) and connects the upper strata square patch of I-shaped unit
And lower floor's square patch (9) (7)；The sub-miniature A connector (12) is located at the lower surface of underlying dielectric substrate (8)；The feed metal
Probe (10) penetrates interlayer substrate (6) and underlying dielectric substrate (8) and connects banding metal patch (4) and sub-miniature A connector
(12)；The short circuit metallic probe (13) penetrates interlayer substrate (6) and underlying dielectric substrate (8) and connects strip metal
Lower floor's square patch (9) of paster (4) and I-shaped unit.
2. the end-on-fire antenna according to claim 1 based on surface wave guide Yu super surface absorber composite construction, it is special
Sign is, is fed by feed metal probe (10), short circuit metallic probe (13) and sub-miniature A connector (12).
3. the end-on-fire antenna according to claim 1 based on surface wave guide Yu super surface absorber composite construction, it is special
Sign is that the square ring element is 5 × 3 periodic arrangement mode.
4. the end-on-fire antenna according to claim 1 based on surface wave guide Yu super surface absorber composite construction, it is special
Sign is that the I-shaped periodic unit is 9 × 17 periodic arrangement mode.
5. the end-on-fire antenna according to claim 1 based on surface wave guide Yu super surface absorber composite construction, it is special
Sign is that the air gap between the upper layer medium substrate (1) and interlayer substrate (6) is 8mm.
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| CN109326878A (en) * | 2018-10-11 | 2019-02-12 | 西南交通大学 | A kind of broadband end-on-fire antenna based on surface wave guide and high impedance surface |
| CN112086756A (en) * | 2020-09-04 | 2020-12-15 | 重庆大学 | Multi-state mutual coupling suppression method for H-plane phase-controlled patch antenna array by integrated electric/magnetic alternative absorption |
| CN112164874A (en) * | 2020-09-23 | 2021-01-01 | 中国人民解放军空军工程大学 | Low RCS broadband printed slot antenna based on digital electromagnetic super surface |
| CN113394569A (en) * | 2021-06-30 | 2021-09-14 | 电子科技大学长三角研究院(湖州) | Low-profile dual-band wave-absorbing surface applied to vehicle-mounted radar test environment and manufacturing method thereof |
| CN113922101A (en) * | 2021-11-12 | 2022-01-11 | 西安电子科技大学 | Wide-angle RCS (radar cross section) shrinkage reduction super surface based on radar wave absorption and scattering cancellation technology |
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| CN109326878A (en) * | 2018-10-11 | 2019-02-12 | 西南交通大学 | A kind of broadband end-on-fire antenna based on surface wave guide and high impedance surface |
| CN109326878B (en) * | 2018-10-11 | 2019-10-08 | 西南交通大学 | A kind of broadband end-on-fire antenna based on surface wave guide and high impedance surface |
| CN112086756A (en) * | 2020-09-04 | 2020-12-15 | 重庆大学 | Multi-state mutual coupling suppression method for H-plane phase-controlled patch antenna array by integrated electric/magnetic alternative absorption |
| CN112164874A (en) * | 2020-09-23 | 2021-01-01 | 中国人民解放军空军工程大学 | Low RCS broadband printed slot antenna based on digital electromagnetic super surface |
| CN113394569A (en) * | 2021-06-30 | 2021-09-14 | 电子科技大学长三角研究院(湖州) | Low-profile dual-band wave-absorbing surface applied to vehicle-mounted radar test environment and manufacturing method thereof |
| CN113394569B (en) * | 2021-06-30 | 2022-10-18 | 电子科技大学长三角研究院(湖州) | Low-profile dual-band wave-absorbing surface applied to vehicle-mounted radar test environment and manufacturing method thereof |
| CN113922101A (en) * | 2021-11-12 | 2022-01-11 | 西安电子科技大学 | Wide-angle RCS (radar cross section) shrinkage reduction super surface based on radar wave absorption and scattering cancellation technology |
| CN113922101B (en) * | 2021-11-12 | 2022-11-29 | 西安电子科技大学 | Wide-angle RCS (radar cross section) shrinkage reduction super surface based on radar wave absorption and scattering cancellation technology |
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