CN106058483A - Broadband wave absorbing material with stable polarization - Google Patents
Broadband wave absorbing material with stable polarization Download PDFInfo
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- CN106058483A CN106058483A CN201610533699.7A CN201610533699A CN106058483A CN 106058483 A CN106058483 A CN 106058483A CN 201610533699 A CN201610533699 A CN 201610533699A CN 106058483 A CN106058483 A CN 106058483A
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- 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
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
The invention brings forward a broadband wave absorbing material with stable polarization, for solving the technical problems of poor polarization stability and not wide low-band bandwidth existing in a conventional wave absorbing material. The broadband wave absorbing material comprises a wave absorbing structure (1), an upper medium plate (2), a foam layer (3), a lower medium plate (4) and a frequency selection surface (5), wherein the wave absorbing structure (1) is printed on the upper surface of the upper medium plate (2), the frequency selection surface (5) is printed on the lower surface of the lower medium plate (4), the upper medium plate (2), the foam layer (3) and the lower medium plate (4) are successively arranged to form an up-down stacked structure, the wave absorbing structure (1) is formed by periodically arranging M*N metal broken line units (11) of dead square structures, and the frequency selection surface (5) is formed by periodically arranging M*N frequency selection surface units (51). The polarization stability is high, the absorption frequency band width is wide, the wave absorbing feature is high, the transmission feature at a high frequency is good, and the broadband wave absorbing material with stable polarization can be applied to such fields as antenna communication and absorption shielding and the like.
Description
Technical field
The invention belongs to the technical field of absorbing material, relate to absorbing material and frequency-selective surfaces, be specifically related to one
The broadband absorbing material of stable polarization, this material polarizer stability is high, absorption band width, and microwave absorbing property is strong, and has at high frequency
There is good transmission characteristic, can be used for antenna communication and absorb the fields such as shielding.
Background technology
Along with the fast development of science and technology, with electromagnetic wave as medium, electromagnetic wave is utilized to carry out the product of communication increasingly
Many, thing followed problem is exactly that electromagnetic wave is increasing on the impact of environment and the mankind.Such as taking off, navigating by water and dropping
Fall whole during, be desirable that mobile communication equipment whole process is closed, in order to prevent radio wave to Wing Newsletter and airport ring
The interference in border；In the work process of various precise electronic medical apparatus and instruments, also require that patient can not carry with communication apparatus；Electricity
Subset also can radiate the electromagnetic wave of the information of carrying while work with communication, brings dry to in-plant one's own side's electronic equipment
Disturbing, its information carried also can be received by enemy's electronic equipment and crack, and causes the sides such as national defence, politics, military affairs, science and technology
The leakage of face information.It addition, human body also can be caused injury directly or indirectly by electromagnetic radiation.Therefore, finding one can be to electricity
Magnetic energy carry out weakening with the material that shield for administer electromagnetic pollution, eliminate Electromagnetic Interference, raising electromagnetic compatibility is very must
, the appearance of absorbing material makes the problems referred to above preferably be solved.
Absorbing material refers to absorb a class material of the electromagnetic wave energy projecting its surface.On engineer applied,
Except requiring that absorbing material, in addition to electromagnetic wave being had high absorbance in broad frequency band, also requires that it has light weight, heatproof, resistance to
The performance such as wet, anticorrosive.In city, high building stands in great numbers, and tall and big building reflection electromagnetic wave can cause ghost image, is applied by absorbing material
In construction material, this problem can be made to be readily solved.The microwave dark room that absorbing material makes can be widely used in radar, leads to
Letter and aerospace field.Additionally, absorbing material is improving compatibility airborne, that boat carries radar equipment, improve overall performance etc.
Aspect also has wide application space.Incident electromagnetic wave is converted into by absorbing material by the various different loss mechanisms of material
Heat energy or other form of energy and reach to inhale the purpose of ripple, by technological forming and bearing capacity, absorbing material can be divided into painting
Cover type and structural type.
A kind of common structure of structural absorbing mater ials includes inhaling ripple layer, dielectric layer and metallic reflection plate, this suction ripple material
Material can realize good microwave absorbing property, but does not has transmission characteristic due to the total reflection effect of metallic plate, and range of application is less.With
Frequency-selective surfaces substitutes the metallic reflection plate of absorbing material, may be implemented in special frequency band and has the suction ripple material of transmission characteristic
Material.Frequency-selective surfaces typically refer to a kind of by resonant element by the two dimensional surface periodic structure of particular arrangement mode, humorous
The shape and structure of unit of shaking determines the frequency-selective surfaces response to spatial electromagnetic ripple.Frequency-selective surfaces is in version
Can be divided into patch-type or slot type, can be divided into band resistance type or bandpass-type in transmission characteristic, this is according to resonance list
Reflection characteristic that unit presents or transmissison characteristic determine.
The metallic reflection plate of tradition absorbing material is substituted, in the work of the logical frequency-selective surfaces of band with the logical frequency-selective surfaces of band
Making outside frequency band, frequency-selective surfaces has the characteristic of reflection electromagnetic wave, can be as the floor of absorbent structure；Select in band passband rate
In the working band on surface, absorbent structure does not works, it is achieved the good transmission characteristic of electromagnetic wave.So far, preferably realize
Inhaling ripple at broad band low frequency, the design of high frequency good transmission characteristic is that the ELECTRONICS LETTERS periodical of IET was at 2015 6
The moon has delivered " Design of absorptive frequency selective surface with good
Transmission at high frequency ", the suction ripple frequency band in low-frequency range that designs a model proposed in literary composition be 2.8～
8.3GHz, relative bandwidth is 99%, and transmission frequency is 9.7GHz；The ELECTRONICS LETTERS periodical of IET was at 2016 3
The moon has delivered " Absorptive frequency selective surface using parallel LC resonance ",
The suction ripple frequency band in low-frequency range that designs a model proposed in literary composition is 3～9GHz, and relative bandwidth is 100%, and transmission frequency is
10GHz, but owing to designing the unsymmetry of structure, can only have good microwave absorbing property, pole for the incident electromagnetic wave of single polarization
Change poor stability, and it is the widest to inhale ripple frequency band.
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency of the prior art, it is proposed that the broadband of a kind of stable polarization is inhaled
Wave material, for solving polarizer stability difference that existing absorbing material exists and in the widest technical problem of low-frequency range bandwidth.
To achieve these goals, the technical scheme that the present invention takes is:
The broadband absorbing material of a kind of stable polarization, including absorbent structure 1, upper dielectric-slab 2, froth bed 3, lower dielectric-slab
4 and frequency-selective surfaces 5, described absorbent structure 1 is printed on the upper surface of dielectric-slab 2, and described frequency-selective surfaces 5 is printed on
The lower surface of lower dielectric-slab 4, described upper dielectric-slab 2, froth bed 3 and lower dielectric-slab 4 are arranged in order, and form stacked on top of one another structure；
Described absorbent structure 1 is formed by M × N number of metal broken line unit 11 periodic arrangement, and each metal broken line unit 11 is lacked by four bands
" bow " font metal broken line 111 of mouth is alternately connected with four equiarm " L " type metal broken lines 112, forms dead square structure, lacks
Resistance it is loaded with, for realizing stable wide-band and wave-absorbing characteristic, wherein M >=3, N >=3 at Kou；Described frequency-selective surfaces 5 by
M × N number of frequency-selective surfaces unit 51 periodic arrangement forms, and is used for realizing frequency transfer characteristic.
The broadband absorbing material of above-mentioned stable polarization, described upper dielectric-slab 2 and lower dielectric-slab 4, all use and be relatively situated between
Electric constant is the rectangular plate of 2.2～2.65.
The broadband absorbing material of above-mentioned stable polarization, described froth bed 3, use relative dielectric constant suitable with air
Light-high-strength foamed materials.
The broadband absorbing material of above-mentioned stable polarization, described dead square structure, the most notched " bow " font
The outward opening of metal broken line 111, the geometric center position of this notched " bow " font metal broken line 111, it is provided with breach,
This indentation, there is loaded with the first Chip-R 113, two groove center positions of described notched " bow " font metal broken line 111
Putting, be each provided with a breach, each indentation, there is loaded with the second Chip-R 114.
The broadband absorbing material of above-mentioned stable polarization, described frequency-selective surfaces unit 51, R × R broken line open
Groove unit 511 periodic arrangement forms, wherein R >=2, and described broken line slotted unit 511 includes square patch and four arm helicla flutes,
The described four each arms of arm spiral fluted are connected to form by " U " type fluting 5111 and " one " font fluting 5112, wherein,
The base of four arm spiral fluteds each " U " type fluting 5111 is respectively parallel to the seamed edge of square patch, and each " one " font is opened
Groove 5112 is parallel to the base of coupled " U " type fluting 5111.
The broadband absorbing material of above-mentioned stable polarization, described M × N number of metal broken line unit 11 and M × N number of frequency choosing
Selecting surface cell 51, its arrangement cycle is 16.2～17.2mm.
The present invention compared with prior art, has the advantage that
1, due to the fact that absorbent structure uses the metal broken line unit periodic arrangement of multiple dead square structures to form, real
Show the stable polarization characteristic of absorbent structure；Simultaneously as substitute the metal of tradition absorbing material with the logical frequency-selective surfaces of band
Reflecting plate, and the form of frequency-selective surfaces unit uses four arm helicla flutes, it is achieved that the stable polarization of electromagnetic wave good transmission
Characteristic, compared with prior art, can be on the premise of frequency electromagnetic waves good transmission, it is achieved that the absorption to dual polarization incidence wave
Shielding, has good polarizer stability.
2, due to the fact that absorbent structure uses metal broken line unit, add current path, unit can be reduced further
Size, more metal broken line unit of arranging in a limited space, enhance the absorbing material wave-absorbing effect in low-frequency range, with
Prior art is compared, and has effectively widened the bandwidth of operation of low-frequency range.
Simulation result shows, on the premise of realizing electromagnetic wave good transmission, the suction wavestrip a width of 1.9 of absorbing material～
7.5GHz, relative bandwidth has reached 119%, and has had good polarizer stability.
Accompanying drawing explanation
Fig. 1 is the perspective view of the present invention；
Fig. 2 is the structural representation of metal broken line unit of the present invention；
Fig. 3 is the structural representation of the frequency-selective surfaces unit of the embodiment of the present invention；
Fig. 4 is the structural representation of broken line slotted unit of the present invention；
Fig. 5 is the embodiment of the present invention 1 S11 and S21 simulation result figure under not same polarization incidence wave irradiates；
Fig. 6 is the absorbance curves figure that the embodiment of the present invention 1 inhales ripple frequency band under not same polarization incidence wave irradiates.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment, the invention will be further described:
Embodiment 1
With reference to Fig. 1, the present invention includes absorbent structure 1, upper dielectric-slab 2, froth bed 3, lower dielectric-slab 4 and frequency-selective surfaces
5；Absorbent structure 1 is printed on the upper surface of dielectric-slab 2, and it overlaps with the geometric center of the upper surface of upper dielectric-slab 2；Frequency
Select surface 5 to be printed on the lower surface of lower dielectric-slab 4, and it overlaps with the geometric center of the lower surface of lower dielectric-slab 4；Upper medium
Plate 2, froth bed 3 and lower dielectric-slab 4 are arranged in order, and form stacked on top of one another structure, and upper dielectric-slab 2, froth bed 3 and lower dielectric-slab
The seamed edge of 4 overlaps；Absorbent structure 1 is formed, frequently by metal broken line unit 11 periodic arrangement of M × N number of dead square structure
Rate selects surface 5 to be formed by M × N number of frequency-selective surfaces unit 51 periodic arrangement, wherein M >=3, N >=3, metal broken line unit
11 is geometrically symmetric, it is achieved the microwave absorbing property of stable polarization, substitutes the metallic reflection of tradition absorbing material with frequency-selective surfaces 5
Plate, it is achieved the transmission characteristic that high frequency is good, in the present embodiment, absorbent structure 1 is by 10 × 10 metal broken line unit 11 periodic arrangement
Forming, the arrangement cycle is 17.2mm；Frequency-selective surfaces 5 is formed by 10 × 10 frequency-selective surfaces unit 51 periodic arrangement,
Its arrangement cycle is identical with the arrangement cycle of metal broken line unit 11；Upper dielectric-slab 2, froth bed 3 and lower dielectric-slab 4 all use limit
The square sheet material of a length of 172mm, wherein, the thickness of upper dielectric-slab 2 and lower dielectric-slab 4 is t=0.254mm, relative dielectric
Constant is 2.2, and froth bed 3 uses the light-high-strength PMI foamed materials that relative dielectric constant and air are suitable, thickness H=
14mm。
With reference to Fig. 2, each metal broken line unit 11 is by 111, four equiarms of four notched " bow " font metal broken lines
112, four the first Chip-Rs 113 of " L " type metal broken line and eight the second Chip-Rs 114 form, wherein, and four band breach
" bow " font metal broken line 111 and four equiarm " L " type metal broken lines 112 be alternately connected, form dead square structure, band is scarce
" bow " font metal broken line 111 outward opening of mouth, the geometric center position of this notched " bow " font metal broken line 111,
Being provided with breach, this indentation, there is loaded with the first Chip-R 113, and two of notched " bow " font metal broken line 111 recessed
Groove center position, is each provided with a breach, and each indentation, there is loaded with the second Chip-R 114.Metal broken line unit 11
Metal live width W1=0.4mm；Two arm lengths of equiarm " L " type metal broken line 112 are L1=4.7mm；Notched " bow " word
Two recess width of type metal broken line 111 are L2=1.6mm, and two depths of groove are L3=1.5mm, and notch length is equal
For L4=0.7mm, gap width is identical with metal live width；Four the first Chip-R 113 resistances are 10 ohm, eight second patches
Sheet resistance 114 resistance is 43 ohm.By live width and the length of regulation metal broken line, the microwave absorbing property of absorbent structure can be optimized.
With reference to Fig. 3, frequency-selective surfaces unit 51 is formed by R × R broken line slotted unit 511 periodic arrangement, wherein R >=
2, the present embodiment medium frequency selects surface cell 51 to be formed by 4 × 4 broken line slotted unit 511 periodic arrangement.
With reference to Fig. 4, broken line slotted unit 511 includes square patch and four arm helicla flutes, in four arm spiral fluted geometry
The heart overlaps with the geometric center of square patch, uses four arm spiral fluted forms for realizing the high frequency of good stable polarization
Transmission characteristic；The four each arms of arm spiral fluted are connected to form by " U " type fluting 5111 and " one " font fluting 5112,
Wherein, the base of four arm spiral fluteds each " U " type fluting 5111 is respectively parallel to the seamed edge of square patch, and " U " type is slotted
The opening direction of 5111 in the counterclockwise direction, uses and has no significant effect integrally-built performance clockwise；Each " one "
Font fluting 5112 is parallel to the base of coupled " U " type fluting 5111." one " font fluting 5112 is single with broken line fluting
Seamed edge distance S1=0.25mm of unit 511；The line of rabbet joint width of " U " type fluting 5111 and " one " font fluting 5112 is W2=
0.2mm, length L5=1.9mm of " one " font fluting 5112；Galianconism length L8=0.4mm of " U " type fluting 5111, bottom side length
Degree L7=1.2mm, long arm lengths L6=2.2mm.By changing the adjustable in length high-frequency transmission of " one " font fluting 5112
Working frequency points.
The structure of embodiment 2 is identical with the structure of embodiment 1, and following parameter makes an adjustment:
The arrangement cycle of metal broken line unit 11 and frequency-selective surfaces unit 51 is 17mm；Upper dielectric-slab 2, froth bed
3 and the lower dielectric-slab 4 square sheet material that all uses the length of side to be 170mm, wherein, the thickness of upper dielectric-slab 2 and lower dielectric-slab 4 is
T=0.2mm, relative dielectric constant is 2.25；Metal live width W1=0.5mm of metal broken line unit 11；Equiarm " L " type metal is rolled over
Two arm lengths of line 112 are L1=4.3mm；Two recess width of notched " bow " font metal broken line 111 are L2
=1.5mm, notch length is L4=1mm；Eight the second Chip-R 114 resistances are 40 ohm；" one " font fluting 5112
Seamed edge distance S1=0.225mm with broken line slotted unit 511.
The structure of embodiment 3 is identical with the structure of embodiment 1, and following parameter makes an adjustment:
The arrangement cycle of metal broken line unit 11 and frequency-selective surfaces unit 51 is 16.2mm；Upper dielectric-slab 2, foam
The square sheet material that layer 3 and lower dielectric-slab 4 all use the length of side to be 162mm, wherein, the thickness of upper dielectric-slab 2 and lower dielectric-slab 4 is equal
For t=0.2mm, relative dielectric constant is 2.65；Froth bed 3 thickness H=15mm；Metal live width W1=of metal broken line unit 11
0.5mm；Two arm lengths of equiarm " L " type metal broken line 112 are L1=4mm；Notched " bow " font metal broken line 111
Two recess width are L2=1.5mm, and notch length is L4=1mm；Eight the second Chip-R 114 resistances are 40 Europe
Nurse；" one " font fluting 5112 and seamed edge distance S1=0.125mm of broken line slotted unit 511.
Below in conjunction with l-G simulation test, the technique effect of the present invention is described further:
1, emulation content
1.1 utilize business simulation software HFSS_13.0 to above-described embodiment 1 not same polarization incidence wave irradiate under S11
Carrying out simulation calculation with S21 parameter, result is as shown in Figure 5.
1.2 utilize business simulation software HFSS_13.0 that above-described embodiment 1 is inhaled under not same polarization incidence wave irradiates ripple frequency
The absorbance of band carries out simulation calculation, and result is as shown in Figure 6.
2, simulation result
With reference to Fig. 5, Fig. 5 (a) and Fig. 5 (b) represents respectively material TE polarization and TM polarization incidence wave irradiation under S11 with
S21 curve chart.With S11≤-10dB is standard, under the most like-polarized incidence wave irradiates, and the wideband of stable polarization in embodiment 1
Suction wavestrip a width of 1.9～7.5GHz with absorbing material, being computed relative bandwidth is 119%, and the suction ripple frequency band of low-frequency range is obvious
Broadening, and polarizer stability is high.At high frequency 11GHz, designing material has good transmission characteristic, is applied on antenna communication
The radiance of antenna is affected little.
Represent that material inhales ripple frequency under TE polarization and TM polarization incidence wave are irradiated respectively with reference to Fig. 6, Fig. 6 (a) and Fig. 6 (b)
The absorbance curves figure of band.It can be seen that under the most like-polarized incidence wave irradiates, stable polarization in embodiment 1
Broadband absorbing material inhale ripple frequency band (1.9～7.5GHz) absorbance all more than 90%, absorption band width, microwave absorbing property
By force, and there is polarizer stability.
Above simulation result illustrates, the present invention, on the premise of high frequency has good transmission characteristic, has widened absorbing material
At the Absorber Bandwidth of low-frequency range, polarizer stability is high.
Above description is only three embodiments of the present invention, does not constitute any limitation of the invention, it is clear that for ability
For the professional in territory, after having understood present invention and principle, all may be without departing substantially from the principle of the invention, the feelings of structure
Under condition, carry out the various corrections in form and details and change, but these corrections based on inventive concept and change still exist
Within the scope of the claims of the present invention.
Claims (6)
1. a broadband absorbing material for stable polarization, including absorbent structure (1), upper dielectric-slab (2), froth bed (3), lower Jie
Scutum (4) and frequency-selective surfaces (5), described absorbent structure (1) is printed on the upper surface of dielectric-slab (2), and described frequency is selected
Selecting surface (5) and be printed on the lower surface of lower dielectric-slab (4), described upper dielectric-slab (2), froth bed (3) and lower dielectric-slab (4) are successively
Arrangement, forms stacked on top of one another structure；It is characterized in that, described absorbent structure (1) is by M × N number of metal broken line unit (11) cycle
Arrangement forms, and each metal broken line unit (11) is by four notched " bow " fonts metal broken line (111) and four equiarms " L "
Type metal broken line (112) is alternately connected, and forms dead square structure, and indentation, there is loaded with resistance, for realizing stable wideband
Band microwave absorbing property, wherein M >=3, N >=3；Described frequency-selective surfaces (5) is by M × N number of frequency-selective surfaces unit (51) cycle
Arrangement forms, and is used for realizing frequency transfer characteristic.
The broadband absorbing material of stable polarization the most according to claim 1, it is characterised in that described upper dielectric-slab (2)
With lower dielectric-slab (4), the rectangular plate all using relative dielectric constant to be 2.2～2.65.
The broadband absorbing material of stable polarization the most according to claim 1, it is characterised in that described froth bed (3), adopts
With the suitable light-high-strength foamed materials of relative dielectric constant and air.
The broadband absorbing material of stable polarization the most according to claim 1, it is characterised in that described dead square is tied
Structure, the outward opening of the most notched " bow " font metal broken line (111), this notched " bow " font metal broken line
(111) geometric center position, is provided with breach, and this indentation, there is loaded with the first Chip-R (113), described notched
" bending " two groove center positions of font metal broken line (111), be each provided with a breach, each indentation, there is loaded with second
Chip-R (114).
The broadband absorbing material of stable polarization the most according to claim 1, it is characterised in that described frequency-selective surfaces
Unit (51), is formed by R × R broken line slotted unit (511) periodic arrangement, wherein R >=2, described broken line slotted unit (511)
Including square patch and four arm helicla flutes, the described four each arms of arm spiral fluted are slotted (5111) and one by " U " type
" one " font fluting (5112) is connected to form, and wherein, the base of four arm spiral fluteds each " U " type fluting (5111) is the most parallel
In the seamed edge of square patch, each " one " font fluting (5112) is parallel to the end of coupled " U " type fluting (5111)
Limit.
The broadband absorbing material of stable polarization the most according to claim 1, it is characterised in that described M × N number of metal folding
Line unit (11) and M × N number of frequency-selective surfaces unit (51), its arrangement cycle is 16.2～17.2mm.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2434251A (en) * | 2006-01-16 | 2007-07-18 | Univ Sheffield | Absorber |
| CN103700951A (en) * | 2014-01-10 | 2014-04-02 | 中国科学院长春光学精密机械与物理研究所 | Composite media double-layer FSS (Frequency Selective Surface) structure SRR (Split Ring Resonator) metal layer ultra-light and thin wave-absorbing material |
| US20150342031A1 (en) * | 2013-01-25 | 2015-11-26 | Laird Technologies, Inc. | Frequency selective structures for emi mitigation |
| KR101587251B1 (en) * | 2014-11-25 | 2016-01-20 | 공주대학교 산학협력단 | Device for absorbing frequency selective wave independent of the angle of incidence and manufacturing method thereof |
| CN105304978A (en) * | 2015-11-13 | 2016-02-03 | 中国人民解放军空军工程大学 | Low-pass and high-absorption electromagnetic functional layer |
| CN105514619A (en) * | 2016-01-13 | 2016-04-20 | 武汉科技大学 | Ultra wideband material microwave absorber loaded with chip resistor |
-
2016
- 2016-07-08 CN CN201610533699.7A patent/CN106058483B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2434251A (en) * | 2006-01-16 | 2007-07-18 | Univ Sheffield | Absorber |
| US20150342031A1 (en) * | 2013-01-25 | 2015-11-26 | Laird Technologies, Inc. | Frequency selective structures for emi mitigation |
| CN103700951A (en) * | 2014-01-10 | 2014-04-02 | 中国科学院长春光学精密机械与物理研究所 | Composite media double-layer FSS (Frequency Selective Surface) structure SRR (Split Ring Resonator) metal layer ultra-light and thin wave-absorbing material |
| KR101587251B1 (en) * | 2014-11-25 | 2016-01-20 | 공주대학교 산학협력단 | Device for absorbing frequency selective wave independent of the angle of incidence and manufacturing method thereof |
| CN105304978A (en) * | 2015-11-13 | 2016-02-03 | 中国人民解放军空军工程大学 | Low-pass and high-absorption electromagnetic functional layer |
| CN105514619A (en) * | 2016-01-13 | 2016-04-20 | 武汉科技大学 | Ultra wideband material microwave absorber loaded with chip resistor |
Non-Patent Citations (1)
| Title |
|---|
| QIANG CHEN ET AL: "Design of absorptive frequency selective surface with good transmission at high frequency", 《ELECTRONICS LETTERS》 * |
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