CN108682952A - Cascaded Double-layer dual polarization broadband band suction type frequency-selective surfaces - Google Patents
Cascaded Double-layer dual polarization broadband band suction type frequency-selective surfaces Download PDFInfo
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- CN108682952A CN108682952A CN201810215006.9A CN201810215006A CN108682952A CN 108682952 A CN108682952 A CN 108682952A CN 201810215006 A CN201810215006 A CN 201810215006A CN 108682952 A CN108682952 A CN 108682952A
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- frequency
- becket
- corrugated
- resistance
- dual polarization
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
- H01Q15/0013—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective
- H01Q15/0026—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective said selective devices having a stacked geometry or having multiple layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
- H01Q1/422—Housings not intimately mechanically associated with radiating elements, e.g. radome comprising two or more layers of dielectric material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/24—Polarising devices; Polarisation filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
- H01Q17/008—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems with a particular shape
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- Aerials With Secondary Devices (AREA)
Abstract
The present invention relates to Cascaded Double-layer dual polarization broadband band suction type frequency-selective surfaces.Traditional wave absorbtion frequency selecting structures are designed to bandpass-type frequency selecting structures, this class formation pass band width is limited, and are difficult covering low frequency.The present invention uses the bicyclic plane of reflection, and inhale wave ring in another surface design of the plane of reflection, in conjunction with monocycle breadboardin absorber, build Cascaded Double-layer dual polarization broadband band suction type frequency-selective surfaces, it can realize low insertion loss in low frequency pass band, and an extremely wide suction wavestrip is generated closing on high frequency treatment.
Description
Technical field
The invention belongs to microwave technical fields, are related to a kind of dual polarization broadband band suction type lowpass frequency selection surface, can make
For the Stealthy reflector Antenna cover of low-frequency range (VHF/UHF) antenna, potential application scenarios include integrated communication mast of warship etc..
Background technology
In current Military Application, it is to reduce radar to dissipate that frequency-selective surfaces and frequency selecting structures, which are used as antenna house,
One of the effective means in section is penetrated, this kind of method can effectively promote the Stealth Fighter of optimal in structure.
Frequency-selective surfaces are substantially a kind of spatial filter, can only be to special frequency channel, polarization mode and incidence angle
The electromagnetic waves such as degree are screened, and can not be absorbed to electromagnetic wave.Therefore, for the antenna based on frequency-selective surfaces development
Cover, probing wave can only be reflected, deviate its incident path to reduce RCS.But this mode is merely able to singly standing
Effect can only achieve the purpose that stealthy dual station even multistation detection system by way of absorbing incidence wave.Wave absorbtion
Thus the concept on frequency selecting structures/surface is drawn, the characteristic that this kind of ideal antenna cover is presented is：In passband, antenna house pair
Incident electromagnetic wave is invisible, and electromagnetic wave therefore can completely lossless transmission；And outside working frequency range, it can be by incident electromagnetic wave
It is effectively absorbed, it is stealthy to achieve the purpose that.
The wave absorbtion frequency selecting structures reported at present are bandpass-type, and band suction type not yet has been reported that.In fact, all
Synthesis mast in the system of more low-frequency ranges, such as on warship, the also various detecting systems for signal of communication, antenna are big
It is be operated in VHF and uhf band, therefore the antenna house of high band (radar frequency) suction wave there is an urgent need to low-frequency range transmission more.
Invention content
In view of the deficiencies of the prior art, it is an object of the present invention to provide based on the cascade broadband wave absorbtion frequency of two dimensional surface
By the way of selecting surface, the frequency-selective surfaces to combine using band resistance reflection suction corrugated and inhale corrugated structure, it is wide to build dual polarization
Band band suction type lowpass frequency selects surface, can generate an extremely wide suction wavestrip in high frequency treatment, and realizes undershoot in low-frequency range
The low-pass characteristic of damage.This structural thickness is thin, simple in structure, easily designed, easy to process, at low cost, and has features designed to
The potentiality of curved surface frequency-selective surfaces.
The Cascaded Double-layer dual polarization broadband band suction type lowpass frequency of the present invention selects surface for periodic structure, each structure
Unit includes that band resistance reflection inhales corrugated and inhales corrugated.
The suction corrugated is periodic distribution structural unit, the arrangement of each unit seamless, including first medium substrate, with
And it is plated in the first becket of the electromagnetic wave of first medium substrate incidence surface (i.e. left surface) at first；First becket
For closed ring structure, the length of side is less than two shaft lengths of first medium substrate, at four side centers of becket altogether there are four welding
Radio-frequency resistance.
The radio-frequency resistance resistance value is identical, and resistance needs concrete condition to make a concrete analysis of.
It is vertically disposed periodic distribution structural unit that corrugated is inhaled in the band resistance reflection, each unit seamless arrangement,
Including second medium substrate, it is plated in second medium substrate electromagnetic wave the second becket of incidence surface (i.e. left surface), plating at first
Third, the 4th becket on another surface of second medium substrate (i.e. right surface)；Described second, third, the 4th becket
For closed ring structure, the length of side is respectively less than two shaft length of second medium substrate；It is welded with altogether at four side centers of the second becket
Four radio-frequency resistances.
The size of the first and second above-mentioned dielectric substrate is identical.
The first, second, third and fourth above-mentioned becket is Chong Die with the center of the first and second dielectric substrate.
Two shaft lengths of above-mentioned first and second dielectric substrate refer to two of the first and second dielectric substrate in x-axis and y-axis direction
The length of side.
Inhale corrugated with resistance reflect inhale corrugated be arranged in parallel, inhale corrugated with resistance reflect inhale corrugated center where straight line and
Z axis is parallel；And inhale corrugated with resistance reflect inhale corrugated it is spaced, which needs concrete condition to make a concrete analysis of, interval greatly
The small effect that can influence wave-absorbing effect and low frequency pass band.
The present invention can also pass through the length of side d of each becket of change1、d2、d3And d4, width w1、w2、w3And w4, the 4th metal
The recessed depth d of ringdWith width wd, the resistance value R of radio-frequency resistance1And R2Inhale corrugated and with air path between resistance reflection suction corrugated
Height haEqual structural parameters carry out comprehensive regulation to low frequency wave transparent performance and high frequency absorbing property.
Concrete operating principle：Electromagnetic wave injects body structure surface, is directed through and inhales corrugated, band resistance reflecting surface is mapped to, due to band
Second becket of the load radio-frequency resistance that corrugated left surface is inhaled in resistance reflection absorbs a part of electromagnetic wave near its resonance frequency point,
And by a part of reflection of electromagnetic wave, remaining electromagnetic wave is directed through the second becket, and simultaneously, it is right that corrugated is inhaled in band resistance reflection
The electromagnetic wave of third and fourth becket tuned reflection corresponding frequency band on surface generates two transmission zeros.Second and third, four beckets
The electromagnetic wave of reflection, which again passes by, to be inhaled corrugated and is absorbed.Since the structure is identical with y-axis direction structure in x-axis direction,
Therefore identical for the filtering characteristic of incident TE ripple and TM ripple generation, therefore have dual-polarized characteristic.
Above-mentioned TE wave tables show to the electromagnetic wave that z-axis negative direction is incident and direction of an electric field is parallel with y-axis；TM wave tables show to z
The electromagnetic wave that axis negative direction is incident and direction of an electric field is parallel with x-axis.The object of the present invention is to provide the suctions of above-mentioned dual polarization broadband band
Type lowpass frequency selects surface, as the application on the Stealthy reflector Antenna cover of low-frequency range (VHF/UHF) antenna.
Dual polarization broadband band suction type lowpass frequency selection surface has the following advantages：
(1) this dual polarization broadband band suction type lowpass frequency selection surface shows as a wave absorbing device in high band, can be compared with
Absorb incident electromagnetic wave well；It is nearly transparent to electromagnetic wave in low-frequency range, incidence wave and outgoing wave can filter with low insertion loss even without inserting
Damage penetrates.When such characteristic allows its antenna house as low-frequency range (VHF, UHF) antenna, RCS can be not only reduced, but also almost
The gain of antenna will not be reduced.
(2) this dual polarization broadband band suction type lowpass frequency selection surface uses the stacking of traditional two dimensional surface, anti-
It penetrates on face to increase and inhales wave ring, to realize extremely wide suction wavestrip in high frequency treatment.
(3) this dual polarization broadband band suction type lowpass frequency selection surface makes simple, the common PCB works of total
Skill it is achieved that and inhale corrugated component and only need welding kesistance, make it is simple, it is of low cost.
Description of the drawings
Fig. 1 is the three-dimensional cell structure schematic diagram of the present invention；
Fig. 2 is the suction corrugated structural schematic diagram of the present invention；
Fig. 3 is that corrugated left surface structural schematic diagram is inhaled in the band resistance reflection of the present invention；
Fig. 4 is that the right surface texture schematic diagram in corrugated is inhaled in the band resistance reflection of the present invention；
Fig. 5 is the S parameter analogous diagram of the present invention；
Fig. 6 is the suction wave rate analogous diagram of the present invention.
Specific implementation mode
With reference to specific embodiment, the present invention is further analyzed.
As shown in Figure 1, dual polarization broadband band suction type frequency-selective surfaces are vertically disposed Periodic Building Unit, each
Arrangement that structural unit is seamless includes inhaling corrugated and reflecting with resistance to inhale corrugated；
As shown in Fig. 2, it includes the Rogers5880 first mediums substrate 1 that thickness is 0.508 millimeter, dielectric substrate to inhale corrugated
1 left surface is coated with the first becket 3, and becket 3 is Chong Die with the center of dielectric substrate 1, is welded altogether at four side centers of becket 3
There are four the radio-frequency resistances 2 of same resistance value.
As shown in Figure 3,4, it includes the Rogers5880 second medium substrates that thickness is 0.508 millimeter to reflect suction corrugated with resistance
6,6 left surface of dielectric substrate is coated with the second becket 4, and becket 4 is Chong Die with the center of dielectric substrate 2, in four sides of becket 4
There are four the radio-frequency resistance 5 of same resistance value, 6 right surface of dielectric substrate is coated with third becket 7, the 4th becket for welding altogether at the heart
8, becket 3, becket 4, becket 7 and becket 8 are Chong Die with the center of dielectric substrate 6.
It is arranged in parallel with resistance reflection suction corrugated as shown in Figure 1, inhaling corrugated, inhales corrugated and the center with resistance reflection suction corrugated
Place straight line is parallel with Z axis；
First medium substrate 1 and second medium substrate 4 are rectangular.
First becket 3, the second becket 4, third becket 7, the 4th becket 8 are closed ring structure.
Concrete structure geometric parameter is as follows：
Wherein p is width period of the cellular construction in x-axis direction and length cycles (the i.e. Rogers5880 in y-axis direction
The cycle length of first medium substrate 1 and second medium substrate 6 in two axis direction of x, y), d1And w1Respectively the first becket 3
The length of side and width, d2And w2The respectively length of side and width of the second becket 4, d3And w3Respectively the length of side of third becket 7 and
Width, d4And w4The respectively length of side and width of the 4th becket 8, ddFor the recessed depth of the 4th becket middle section, wdFor
The width of concave portion, l among 4th becketRFor the length of radio-frequency resistance, R1And R2Respectively radio-frequency resistance 1 and radio frequency electrical
The resistance value of resistance 2, tsFor the dielectric thickness of first medium substrate 1 and second medium substrate 6, haFor inhale corrugated and with resistance reflecting surface it
Between air path height.
Fig. 5 and Fig. 6 is the simulation result that the Cascaded Double-layer dual polarization broadband band suction type lowpass frequency selects surface.Fig. 5's
Simulation result shows that low-frequency filter characteristics are presented in the structure passband, is less than the frequency range of 0.5GHz in frequency, insertion loss is less than
0.5dB.Meanwhile frequency range is formed in the suction wavestrip of 4-11.7GHz in high frequency treatment, cover C-band and part X-band, relative bandwidth
Reach 91.1%.The simulation result of Fig. 6 shows that the lower passband suction type frequency selecting structures exist in the wave absorbing efficiency inhaled in wavestrip
Near 90%, wave-absorbing effect is fabulous.
Claims (7)
1. Cascaded Double-layer dual polarization broadband band suction type frequency-selective surfaces are periodic distribution structure, it is characterised in that Mei Gejie
Structure unit is vertically arranged, including is inhaled corrugated and reflected with resistance and inhale corrugated；It inhales corrugated to be arranged in parallel with resistance reflection suction corrugated, and inhales
Corrugated and with resistance reflect inhale corrugated between there are one section of the air gaps；
The suction corrugated include first medium substrate and be plated in first medium substrate electromagnetic wave at first incidence surface first
Becket；First becket is closed ring structure, and the length of side is less than two shaft lengths of first medium substrate, becket
A radio-frequency resistance is respectively welded at four sides center；
The described band resistance reflection inhales corrugated and includes second medium substrate and be plated in second medium substrate electromagnetic wave and enter firing table at first
Second becket in face, third and fourth becket on another surface；Second becket is closed ring structure, and the length of side is small
It is respectively welded a radio-frequency resistance at two shaft length of second medium substrate, four side centers of becket；Described third and fourth
Becket is closed ring structure, and the length of side is less than two shaft length of second medium substrate；
The first, second, third and fourth above-mentioned becket is Chong Die with the center of the first and second dielectric substrate.
2. Cascaded Double-layer dual polarization broadband band suction type frequency-selective surfaces as described in claim 1, it is characterised in that described
Radio-frequency resistance resistance value on four side of same ring is identical.
3. Cascaded Double-layer dual polarization broadband band suction type frequency-selective surfaces as described in claim 1, it is characterised in that described
The size of first and second dielectric substrate is identical.
4. Cascaded Double-layer dual polarization broadband band suction type frequency-selective surfaces as described in claim 1, it is characterised in that the second gold medal
Belong to ring resonance generate part band-stop response, third and fourth becket resonance generate band-stop response, the band hinder frequency be by second and third,
What the size of four beckets determined.
5. Cascaded Double-layer dual polarization broadband band suction type frequency-selective surfaces as described in claim 1, it is characterised in that intermediate empty
The distance in gas gap is related with the suction designed reflection frequency on corrugated is reflected with resistance.
6. Cascaded Double-layer dual polarization broadband band suction type frequency-selective surfaces as described in claim 1, it is characterised in that first to
The length of side d of four beckets1、d2、d3And d4, width w1、w2、w3And w4, the depth d of the 4th becket concave portiondWith width wd,
The resistance value R of radio-frequency resistance1And R2It inhales corrugated and reflects the width h of air chamber between suction corrugated with resistanceaEqual structure parameters influences low frequency
The comprehensive regulation of wave transparent performance and high frequency absorbing property.
7. Cascaded Double-layer dual polarization broadband band suction type frequency-selective surfaces as described in claim 1, as low-frequency range (VHF/
UHF) the application on the Stealthy reflector Antenna cover of antenna.
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| CN201810215006.9A CN108682952B (en) | 2018-03-15 | 2018-03-15 | Double-layer cascade dual-polarization broadband band-absorption type frequency selection surface |
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| CN201810215006.9A CN108682952B (en) | 2018-03-15 | 2018-03-15 | Double-layer cascade dual-polarization broadband band-absorption type frequency selection surface |
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Cited By (19)
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|---|---|---|---|---|
| CN109509987A (en) * | 2018-12-27 | 2019-03-22 | 杭州电子科技大学 | Novel two/three-dimensional in conjunction with dual polarization ultra wide band absorbent structure |
| CN109713457A (en) * | 2019-01-23 | 2019-05-03 | 西北大学 | The design method and its application on the suction super surface of wave/wave transparent based on tantalum-nitride material |
| CN110165421A (en) * | 2019-06-06 | 2019-08-23 | 南京航空航天大学 | A kind of broadband suction wave frequency rate selection surface |
| CN110718766A (en) * | 2019-10-23 | 2020-01-21 | 武汉灵动时代智能技术股份有限公司 | Active frequency selective surface structure |
| CN110729567A (en) * | 2019-10-24 | 2020-01-24 | 北京环境特性研究所 | Wave absorbing device with controllable X-waveband pass band |
| CN110783712A (en) * | 2019-10-27 | 2020-02-11 | 山西大学 | Ultra-wideband strong electromagnetic field protection device |
| CN111129780A (en) * | 2019-12-28 | 2020-05-08 | 华南理工大学 | Structure for improving oblique incidence characteristic of glass material in 5G millimeter wave frequency band |
| CN111555037A (en) * | 2020-05-19 | 2020-08-18 | 中国人民解放军空军工程大学 | Time domain switch regulation and control frequency selection surface with polarization selection characteristic |
| CN111769368A (en) * | 2020-07-26 | 2020-10-13 | 中国人民解放军国防科技大学 | Wave-absorbing and wave-transmitting integrated frequency selection surface based on gap type resonator |
| CN111883934A (en) * | 2020-08-10 | 2020-11-03 | 西安电子科技大学 | Low RCS antenna based on ultra wide band miniaturized wave absorber |
| CN112003012A (en) * | 2020-06-02 | 2020-11-27 | 杭州电子科技大学 | Gain-enhanced low-radar scattering cross section air-feed array antenna |
| 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 |
| CN112448170A (en) * | 2020-11-27 | 2021-03-05 | 中国人民解放军空军工程大学 | P-S frequency band ultra-wideband wave-absorbing super-structure surface and low-scattering system |
| CN112952400A (en) * | 2021-02-01 | 2021-06-11 | 西安电子科技大学 | Broadband wave-absorbing structure with high-transmittance wave-transmitting window |
| CN113224518A (en) * | 2021-04-01 | 2021-08-06 | 华南理工大学 | High-gain band-pass dual-polarization filtering patch antenna with compact structure |
| CN113644449A (en) * | 2021-07-04 | 2021-11-12 | 南京理工大学 | Broadband reconfigurable frequency selection surface based on single-side loaded PIN diode |
| CN114204279A (en) * | 2021-12-14 | 2022-03-18 | 中南大学 | Resistance loading quad ring ultra wide band absorbing structure |
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| CN114614266A (en) * | 2022-05-11 | 2022-06-10 | 成都飞机工业（集团）有限责任公司 | X-band-pass absorption and transmission integrated frequency selective surface structure |
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| CN109713457B (en) * | 2019-01-23 | 2021-01-26 | 西北大学 | Wave-absorbing/wave-transmitting super surface design method based on tantalum nitride material and application thereof |
| CN109713457A (en) * | 2019-01-23 | 2019-05-03 | 西北大学 | The design method and its application on the suction super surface of wave/wave transparent based on tantalum-nitride material |
| CN110165421A (en) * | 2019-06-06 | 2019-08-23 | 南京航空航天大学 | A kind of broadband suction wave frequency rate selection surface |
| CN110718766A (en) * | 2019-10-23 | 2020-01-21 | 武汉灵动时代智能技术股份有限公司 | Active frequency selective surface structure |
| CN110718766B (en) * | 2019-10-23 | 2021-07-13 | 武汉灵动时代智能技术股份有限公司 | Active frequency selective surface structure |
| CN110729567A (en) * | 2019-10-24 | 2020-01-24 | 北京环境特性研究所 | Wave absorbing device with controllable X-waveband pass band |
| CN110729567B (en) * | 2019-10-24 | 2020-12-11 | 北京环境特性研究所 | Wave absorbing device with controllable X-waveband pass band |
| CN110783712A (en) * | 2019-10-27 | 2020-02-11 | 山西大学 | Ultra-wideband strong electromagnetic field protection device |
| CN110783712B (en) * | 2019-10-27 | 2020-11-06 | 山西大学 | Ultra-wideband strong electromagnetic field protection device |
| CN111129780A (en) * | 2019-12-28 | 2020-05-08 | 华南理工大学 | Structure for improving oblique incidence characteristic of glass material in 5G millimeter wave frequency band |
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| CN112003012A (en) * | 2020-06-02 | 2020-11-27 | 杭州电子科技大学 | Gain-enhanced low-radar scattering cross section air-feed array antenna |
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| 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 |
| CN112448170A (en) * | 2020-11-27 | 2021-03-05 | 中国人民解放军空军工程大学 | P-S frequency band ultra-wideband wave-absorbing super-structure surface and low-scattering system |
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| CN112952400A (en) * | 2021-02-01 | 2021-06-11 | 西安电子科技大学 | Broadband wave-absorbing structure with high-transmittance wave-transmitting window |
| CN112952400B (en) * | 2021-02-01 | 2022-12-02 | 西安电子科技大学 | Broadband wave-absorbing structure with high-transmittance wave-transmitting window |
| CN113224518A (en) * | 2021-04-01 | 2021-08-06 | 华南理工大学 | High-gain band-pass dual-polarization filtering patch antenna with compact structure |
| CN113644449A (en) * | 2021-07-04 | 2021-11-12 | 南京理工大学 | Broadband reconfigurable frequency selection surface based on single-side loaded PIN diode |
| CN113644449B (en) * | 2021-07-04 | 2024-04-19 | 南京理工大学 | Broadband reconfigurable frequency selective surface based on single-sided loading PIN diode |
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| CN114204279B (en) * | 2021-12-14 | 2022-08-26 | 中南大学 | Resistance loading quad ring ultra wide band absorbing structure |
| CN114498052A (en) * | 2022-02-09 | 2022-05-13 | 西安电子科技大学 | Low-profile broadband super-surface structure with wave-absorbing and wave-transmitting amplitude regulation and control characteristics |
| CN114614266A (en) * | 2022-05-11 | 2022-06-10 | 成都飞机工业（集团）有限责任公司 | X-band-pass absorption and transmission integrated frequency selective surface structure |
| CN114614266B (en) * | 2022-05-11 | 2022-08-12 | 成都飞机工业（集团）有限责任公司 | X-band-pass absorption and penetration integrated frequency selective surface structure |
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