CN109659691A - A kind of Meta Materials radome - Google Patents
A kind of Meta Materials radome Download PDFInfo
- Publication number
- CN109659691A CN109659691A CN201811541095.2A CN201811541095A CN109659691A CN 109659691 A CN109659691 A CN 109659691A CN 201811541095 A CN201811541095 A CN 201811541095A CN 109659691 A CN109659691 A CN 109659691A
- Authority
- CN
- China
- Prior art keywords
- layer
- wave
- foam separation
- meta materials
- radome
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H01Q1/424—Housings not intimately mechanically associated with radiating elements, e.g. radome comprising two or more layers of dielectric material comprising a layer of expanded material
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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
- 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
- H01Q15/0086—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices having materials with a synthesized negative refractive index, e.g. metamaterials or left-handed materials
-
- 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
Landscapes
- Aerials With Secondary Devices (AREA)
- Details Of Aerials (AREA)
Abstract
Meta Materials radome provided by the invention, including the first resistor layer being cascading, first foam separation layer, metal patch layer, second foam separation layer and second resistance layer, wherein, the first resistor layer be several it is rectangular have power consumption resistance patch combination form: the first foam separation layer is low-loss material, the metal patch layer is slot-shaped in drum, the second foam separation layer is low-loss material, the second resistance layer is identical as the first resistor layer structure, Meta Materials radome provided by the invention, high wave transparent characteristic with S-band, again high-selenium corn characteristic can be realized in Ku wave band, wave transparent is mutually merged with wave is inhaled, realize the breakthrough that legacy frequencies selection surface is only used for simple function；There is two-way microwave absorbing property compared to the unidirectional microwave absorbing property of the traditional FSS structural wave-absorbing material material simultaneously, external electromagnetic waves not only can be absorbed and realized stealth effect, but also internal electromagnetic wave can be absorbed and realize electromagnetic shielding and compatible result.
Description
Technical field
The present invention relates to radar stealth technology field, in particular to a kind of Meta Materials radome and system.
Background technique
Broad-band radar absorbers are a kind of novel and multifunctional composite materials, have it is with strong points, absorbing property is good, light weight,
Mechanical property meets the advantages that bearing requirements, in terms of having become the important development of contemporary stealth material.
Breadboardin wave-absorber is a kind of mode of resonance broad-band radar absorbers being widely used, have high temperature resistant, light weight,
Wet-heat resisting, it is anticorrosive the features such as.This structure is made of frequency-selective surfaces, dielectric layer and metal base plate (PEC), wherein FSS
It is that chip unit periodic arrangement of various shapes forms, incident electromagnetic wave is incuded and generates equivalent capacity, inductance and resistance, is passed through
Geometry, size, the sheet resistance etc. for adjusting frequency-selective surfaces (FSS), can change equivalent capacity, inductance and the electricity of structural body
Resistance, and then the resonance absorbing of structure entirety is adjusted, effectively meet the absorbing property requirement of different application.And breadboardin is inhaled into wave
Metal base plate in body uses the metal layer with frequency selective characteristic to substitute, to realize broad-band radar absorbers not only wave transparent but also suction
The superperformance of wave, not yet similar report.
Summary of the invention
Have in view of that, it is necessary in view of the defects existing in the prior art, provide it is a kind of there is two-way microwave absorbing property, both can be with
It absorbs external electromagnetic waves and realizes stealth effect, and the Meta Materials that internal electromagnetic wave realizes electromagnetic shielding and compatible result can be absorbed
Radome.
To achieve the above object, the present invention adopts the following technical solutions:
The present invention provides a kind of Meta Materials radomes, comprising:
First resistor layer, the first foam separation layer, metal patch layer, the second foam separation layer and being cascading
Two resistive layers, wherein the first resistor layer is that several rectangular have power consumption to hinder patch combination to form: first foam isolation
Layer is low-loss material, and the metal patch layer is slot-shaped in drum, and the second foam separation layer is low-loss material, described
Second resistance layer is identical as the first resistor layer structure.
In some preferred embodiments, the first resistor layer be five it is rectangular be made of consumption resistive patch, described the
The sheet resistance of one resistive layer is 60 Ω.
In some preferred embodiments, the low-loss material is PMI foam honeycomb material.
In some preferred embodiments, the first foam separation layer with a thickness of 7mm, dielectric constant 1.05.
In some preferred embodiments, the metal patch layer is copper foil, the thickness of drum gap metal patch
It is 15 μm, unit size is 26mm × 26mm, width 0.3mm.
In some preferred embodiments, the second foam separation layer with a thickness of 7mm, dielectric constant 1.05.
The present invention by adopting the above technical scheme the advantages of be:
Meta Materials radome provided by the invention, including be cascading first resistor layer, the first foam separation layer,
Metal patch layer, the second foam separation layer and second resistance layer, wherein the first resistor layer is that several rectangular have power consumption resistance
Patch combination forms: the first foam separation layer is low-loss material, and the metal patch layer is slot-shaped in drum, described the
Two foam separation layers are low-loss material, and the second resistance layer is identical as the first resistor layer structure, provided by the invention
Meta Materials radome, the high wave transparent characteristic with S-band, and high-selenium corn characteristic can be realized in Ku wave band, by wave transparent and inhale wave
Mutually fusion realizes the breakthrough that legacy frequencies selection surface is only used for simple function；It is inhaled simultaneously compared to traditional FSS structure
The unidirectional microwave absorbing property of the wave material material has two-way microwave absorbing property, and external electromagnetic waves both can be absorbed and realized stealth effect,
Internal electromagnetic wave can be absorbed again and realize electromagnetic shielding and compatible result.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram of Meta Materials radome provided in an embodiment of the present invention.
Fig. 2 is the period schematic diagram of first resistor layer provided in an embodiment of the present invention (second resistance layer).
Fig. 3 is the period schematic diagram of metal patch layer provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, being the structural schematic diagram of Meta Materials radome 100 provided in an embodiment of the present invention, comprising: successively layer
First resistor layer 110, the first foam separation layer 120, metal patch layer 130, the second foam separation layer 140 and second of folded setting
Resistive layer 150.The structure of each layer described further below and its effect.
The first resistor layer 120 be several it is rectangular have power consumption hinder patch combination form.
Preferably, the first resistor layer 110 be five it is rectangular by consumption resistive patch form, the side of the first resistor layer
Resistance is 60 Ω.It is appreciated that in practice, the first resistor layer 110 can also use the square patch of other quantity, please join
Fig. 2 is read, for the period schematic diagram for the first resistor layer 110 that one embodiment of the invention provides.
The first foam separation layer 120 is low-loss material.
Preferably, the low-loss material is PMI foam honeycomb material, the first foam separation layer with a thickness of 7mm,
Dielectric constant is 1.05.
The metal patch layer 130 is slot-shaped in drum.Preferably, the metal patch layer 130 is copper foil, the drum
Gap metal patch with a thickness of 15 μm, unit size is 26mm × 26mm, width 0.3mm, referring to Fig. 3, for the present invention
The period schematic diagram for the metal patch layer 130 that one embodiment provides.
The second foam separation layer 140 is low-loss material, and the low-loss material is PMI foam honeycomb material.
Preferably, the second foam separation layer 140 with a thickness of 7mm, dielectric constant 1.05.
It is appreciated that the present invention is using between the upper layer and lower layer of the first foam separation layer 120 and the second foam separation layer 140
It interferes and provides effective thickness and support, centre uses the metal patch layer 130, the metal patch layer 130
Metal frequency-selective surfaces structure is selected instead of the metallic reflection floor in traditional circuit simulation absorber by metal frequency
The design of surface micro makes it while high band plays the role of reflection electromagnetic wave, the spy with the high band logical of low-frequency range
Property；Simultaneously as having the characteristics that lightweight as separation layer using low loss foam.
The second resistance layer 150 is identical as 110 structure of first resistor layer.
It is appreciated that the design of the second foam separation layer 140 and the second resistance layer 150 makes material due to material
Metal layer frequency-selective surfaces and have consumption layer frequency-selective surfaces part that all there is good wave transparent characteristic in low-frequency range, and
High band metal layer frequency-selective surfaces are equivalent to desired metallic reflecting surface and are formed together tool with there is consumption layer frequency-selective surfaces
There is the structural absorbing mater ials body of resonance and impedance matching property and there is microwave absorbing property in high frequency, and the material has symmetrically
Have consumption layer structure, multiple wave-absorbing effect may be implemented, therefore, in the case where influence low on wave transparent, have broader suction wave
Bandwidth inhales intensity of wave, while having two-way microwave absorbing property, it is compound in this way after material not only there is the high wave transparent characteristic of S-band, but also
High-selenium corn characteristic being realized in Ku wave band, wave transparent mutually being merged with wave is inhaled, realizing legacy frequencies selection surface can only use
In the breakthrough of simple function, while there is two-way microwave absorbing property, external electromagnetic waves not only can be absorbed and realized stealth effect, but also can be with
It absorbs internal electromagnetic wave and realizes electromagnetic shielding and compatible result.
Meta Materials radome provided by the invention, including be cascading first resistor layer, the first foam separation layer,
Metal patch layer, the second foam separation layer and second resistance layer, wherein the first resistor layer is that several rectangular have power consumption resistance
Patch combination forms: the first foam separation layer is low-loss material, and the metal patch layer is slot-shaped in drum, described the
Two foam separation layers are low-loss material, and the second resistance layer is identical as the first resistor layer structure, provided by the invention
Meta Materials radome, the high wave transparent characteristic with S-band, and high-selenium corn characteristic can be realized in Ku wave band, by wave transparent and inhale wave
Mutually fusion realizes the breakthrough that legacy frequencies selection surface is only used for simple function；It is inhaled simultaneously compared to traditional FSS structure
The unidirectional microwave absorbing property of the wave material material has two-way microwave absorbing property, and external electromagnetic waves both can be absorbed and realized stealth effect,
Internal electromagnetic wave can be absorbed again and realize electromagnetic shielding and compatible result；And Meta Materials radome provided by the invention, structure letter
It is single, it is easy to make.
Certainly Meta Materials radome of the invention can also have a variety of transformation and remodeling, it is not limited to above embodiment
Specific structure.In short, protection scope of the present invention should include that those are apparent to those skilled in the art
Transformation or substitution and remodeling.
Claims (6)
1. a kind of Meta Materials radome, which is characterized in that first resistor layer, the first foam including being cascading are isolated
Layer, metal patch layer, the second foam separation layer and second resistance layer, wherein the first resistor layer is that several rectangular have consumption
Resistive patch is composed: the first foam separation layer is low-loss material, and the metal patch layer is slot-shaped in drum, institute
Stating the second foam separation layer is low-loss material, and the second resistance layer is identical as the first resistor layer structure.
2. Meta Materials radome as described in claim 1, which is characterized in that the first resistor layer, which is five, rectangular has power consumption
Patch composition is hindered, the sheet resistance of the first resistor layer is 60 Ω.
3. Meta Materials radome as described in claim 1, which is characterized in that the low-loss material is PMI foam honeycomb material
Material.
4. Meta Materials radome as described in claim 1, which is characterized in that the first foam separation layer with a thickness of 7mm,
Dielectric constant is 1.05.
5. Meta Materials radome as described in claim 1, which is characterized in that the metal patch layer is copper foil, the drum
Gap metal patch with a thickness of 15 μm, unit size is 26mm × 26mm, width 0.3mm.
6. Meta Materials radome as described in claim 1, which is characterized in that the second foam separation layer with a thickness of 7mm,
Dielectric constant is 1.05.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811541095.2A CN109659691A (en) | 2018-12-17 | 2018-12-17 | A kind of Meta Materials radome |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811541095.2A CN109659691A (en) | 2018-12-17 | 2018-12-17 | A kind of Meta Materials radome |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109659691A true CN109659691A (en) | 2019-04-19 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811541095.2A Pending CN109659691A (en) | 2018-12-17 | 2018-12-17 | A kind of Meta Materials radome |
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| CN (1) | CN109659691A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380228A (en) * | 2019-07-23 | 2019-10-25 | 中国科学技术大学 | A kind of wave absorbing device part based on reflectionless filter principle |
| CN111224242A (en) * | 2020-01-12 | 2020-06-02 | 中国人民解放军国防科技大学 | Wave-absorbing and wave-transmitting integrated frequency selective surface with anisotropic wave-transmitting band |
| CN111516340A (en) * | 2020-07-03 | 2020-08-11 | 宁波曙翔新材料股份有限公司 | Invisible and anti-damage shielding material and preparation method thereof |
| CN111969330A (en) * | 2020-07-31 | 2020-11-20 | 航天科工武汉磁电有限责任公司 | Radar wave-absorbing material with unit structure pattern and preparation method thereof |
| CN112026205A (en) * | 2020-08-20 | 2020-12-04 | 四川一诺高分子材料科技有限公司 | Manufacturing method of common radar antenna housing |
| CN112437599A (en) * | 2019-08-26 | 2021-03-02 | 上海戎科特种装备有限公司 | Electromagnetic shielding structure |
| CN114122743A (en) * | 2021-11-25 | 2022-03-01 | 华中科技大学 | Wave absorbing/transmitting device with miniaturized units |
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| WO2003034545A1 (en) * | 2001-10-16 | 2003-04-24 | Fractus, S.A. | Multifrequency microstrip patch antenna with parasitic coupled elements |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380228A (en) * | 2019-07-23 | 2019-10-25 | 中国科学技术大学 | A kind of wave absorbing device part based on reflectionless filter principle |
| CN112437599A (en) * | 2019-08-26 | 2021-03-02 | 上海戎科特种装备有限公司 | Electromagnetic shielding structure |
| CN112437599B (en) * | 2019-08-26 | 2024-06-11 | 上海戎科特种装备有限公司 | Electromagnetic shielding structure |
| CN111224242A (en) * | 2020-01-12 | 2020-06-02 | 中国人民解放军国防科技大学 | Wave-absorbing and wave-transmitting integrated frequency selective surface with anisotropic wave-transmitting band |
| CN111224242B (en) * | 2020-01-12 | 2020-12-15 | 中国人民解放军国防科技大学 | Wave-absorbing and wave-transmitting integrated frequency selective surface with anisotropic wave-transmitting band |
| CN111516340A (en) * | 2020-07-03 | 2020-08-11 | 宁波曙翔新材料股份有限公司 | Invisible and anti-damage shielding material and preparation method thereof |
| CN111969330A (en) * | 2020-07-31 | 2020-11-20 | 航天科工武汉磁电有限责任公司 | Radar wave-absorbing material with unit structure pattern and preparation method thereof |
| CN112026205A (en) * | 2020-08-20 | 2020-12-04 | 四川一诺高分子材料科技有限公司 | Manufacturing method of common radar antenna housing |
| CN112026205B (en) * | 2020-08-20 | 2022-07-01 | 四川一诺高分子材料科技有限公司 | Manufacturing method of common radar antenna housing |
| CN114122743A (en) * | 2021-11-25 | 2022-03-01 | 华中科技大学 | Wave absorbing/transmitting device with miniaturized units |
| CN114122743B (en) * | 2021-11-25 | 2023-01-06 | 华中科技大学 | Wave absorbing/transmitting device with miniaturized units |
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Application publication date: 20190419 |