CN106901416B - The stealthy cape of the Spark gap of regular quadrangle structure - Google Patents
The stealthy cape of the Spark gap of regular quadrangle structure Download PDFInfo
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- CN106901416B CN106901416B CN201710011625.1A CN201710011625A CN106901416B CN 106901416 B CN106901416 B CN 106901416B CN 201710011625 A CN201710011625 A CN 201710011625A CN 106901416 B CN106901416 B CN 106901416B
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- 239000003990 capacitor Substances 0.000 claims description 49
- 239000011241 protective layer Substances 0.000 claims description 14
- 230000035699 permeability Effects 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000001465 metallisation Methods 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 15
- 239000000463 material Substances 0.000 description 10
- 238000004088 simulation Methods 0.000 description 9
- 230000009466 transformation Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910021389 graphene Inorganic materials 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D3/00—Overgarments
- A41D3/08—Capes
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Magnetic Treatment Devices (AREA)
Abstract
The present invention provides a kind of stealthy cape of Spark gap of regular quadrangle structure, stealthy cape is made of the superposition of multiple annular shield layers, the bottom of stealthy cape is provided with an annular earth plate, the multiple metallization pipes of setting in stealthy cape, the metallization pipe passes perpendicularly through the annular shield layer and connect with the annular earth plate, wherein, a plurality of circuit orbit is arranged in each annular shield layer from the inside to surface, multiple protective units are continuously set on every circuit orbit, the metallization pipe passes perpendicularly through the annular shield layer and connect with the annular earth plate, the metallization pipe is provided with multiple plated through-holes, the protective unit is connect with the plated through-hole.Implement the present invention can it is fully reflective, absorb or attenuate electromagnetic pulse, the object protected not will receive the influence of electromagnetic pulse.
Description
Technical Field
The invention relates to the field of electromagnetic protection, in particular to an electromagnetic pulse protection stealth cloak with a regular quadrilateral structure.
Background
The electromagnetic pulse has the characteristics of wide action range, high peak field intensity, short rise time, wide frequency range, large killing power and the like, not only poses threat to the electronic information system which is continuously miniaturized and integrated in the present generation, but also causes damage to human bodies to different degrees and becomes a great hidden danger, and the military safety and social stability of all countries in the world are seriously influenced by the appearance and the increasing maturity of electromagnetic pulse weapons.
Based on different purposes, the existing protection methods can be divided into a circuit-level protection method for protecting a conductive electromagnetic pulse in a circuit and a space-level protection method for protecting an electromagnetic pulse field in a space. The circuit level protection devices mainly comprise amplitude limiters, filters and the like, the existing various circuit level protection devices are limited in protection bandwidth, insertion loss exists, and permanent damage such as increase of the insertion loss and deterioration of noise coefficients can also occur under the action of high-power electromagnetic pulses. The space level protection method mainly comprises a frequency selective surface, an energy selective surface, a metamaterial wave absorber and a novel material (such as nano material, graphene and plasma). The protection bandwidths of the energy selection surface and the energy selection surface are limited, the electromagnetic pulse cannot be guaranteed to be completely reflected, absorbed or attenuated, the protected object is influenced by the electromagnetic pulse more or less, electromagnetic wave leakage exists for a period of time before the protection function is completely started on the energy selection surface, and certain hidden danger exists.
Disclosure of Invention
The invention mainly aims to provide an electromagnetic pulse protection stealth cloak with a regular quadrilateral structure, and aims to solve the technical problem of shielding electromagnetic pulses.
In order to achieve the purpose, the invention provides an electromagnetic pulse protection stealth cloak with a regular quadrilateral structure, which is characterized in that the electromagnetic pulse protection stealth cloak with the regular quadrilateral structure is formed by overlapping a plurality of annular protective layers, an annular ground plate is arranged at the bottom of the electromagnetic pulse protection stealth cloak with the regular quadrilateral structure, a plurality of metalized pipes are arranged in the electromagnetic pulse protection stealth cloak with the regular quadrilateral structure, the metalized pipes vertically penetrate through the annular protective layers and are connected with the annular ground plate, wherein a plurality of protection units are continuously arranged on each annular protective layer, the metalized pipes vertically penetrate through the annular protective layers and are connected with the annular ground plate, and the metalized pipes are provided with a plurality of metalized holes;
the protection unit comprises a first inductor, a second inductor, a third inductor, a fourth inductor, a fifth inductor, a first capacitor, a second capacitor, a third capacitor and a fourth capacitor, wherein, the first inductor, the second inductor, the third inductor and the fourth inductor are connected into a square structure through leads and are connected in series, one end of the fifth inductor is connected between the first inductor and the fourth inductor, the other end of the fifth inductor is connected between the second inductor and the third inductor, the first capacitor is connected with a lead connected in series between the first inductor and the second inductor, the second capacitor is connected with a lead connected in series between the first inductor and the fourth inductor, the third capacitor is connected with a lead wire connected between the second inductor and the third inductor in series, the fourth capacitor is connected with a lead wire connected between the third inductor and the fourth inductor in series, the first capacitor, the second capacitor, the third capacitor and the fourth capacitor are respectively connected with a metalized hole.
Preferably, each shield element has a dielectric constant of epsilon and a magnetic permeability of mu, wherein,
wherein a is the longest distance from the central point to the inner ring, b is the longest distance from the central point to the outer ring, N is the nth side and N is less than or equal to N, N is an integer 4, and x and y are the central coordinates of each protection unit.
Preferably, the inductance values of the second inductor and the fourth inductor are both 4L1The inductance value of the fifth inductor is 2L2The inductance values of the first inductor and the third inductor are both 4L3And the capacitance values of the first capacitor, the second capacitor, the third capacitor and the fourth capacitor are all C/4. Wherein, C＝εzzd, d is the length of the guard unit, L1、L2And L3All are inductance values, and C is a capacitance value.
Preferably, d is calculated as follows: d is lambda/3, lambda is C '/f, C' is the constant of the speed of light, and f is the maximum frequency corresponding to the frequency range in which the electromagnetic pulse energy is concentrated.
Preferably, the electromagnetic pulse is a triangular electromagnetic pulse, a rectangular electromagnetic pulse, a sinusoidal electromagnetic pulse or a gaussian electromagnetic pulse.
By adopting the technical scheme, the invention has the following technical effects: the electromagnetic pulse protection stealth cloak with the regular quadrilateral structure can completely reflect, absorb or attenuate electromagnetic pulses, and protected objects cannot be influenced by the electromagnetic pulses, so that the electromagnetic pulse damage to an electronic information system is effectively avoided, and the service life of the electronic information system is prolonged.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of the electromagnetic pulse protection cloak with a square structure according to the present invention;
FIG. 2 is a perspective view of a preferred embodiment of the electromagnetic pulse protection cloak of the present invention in a square configuration;
FIG. 3 is a schematic cross-sectional view of a preferred embodiment of the electromagnetic pulse protection cloak of the present invention in a square configuration;
FIG. 4 is a schematic diagram of a preferred embodiment of the shelter unit in the electromagnetic pulse protection cloak with a square structure according to the present invention;
FIG. 5 is a schematic diagram of a preferred embodiment of the shelter unit in the electromagnetic pulse protection cloak of regular polygonal configuration of the present invention;
6-1-6-4 are schematic diagrams of four electromagnetic pulses for simulating an electromagnetic pulse protection cloak with a square structure according to the present invention;
7-1 to 7-3 are simulation diagrams of the electromagnetic pulse protection cloak with the regular quadrilateral structure according to the invention for triangular electromagnetic pulses;
8-1 to 8-3 are simulation diagrams of the electromagnetic pulse protection cloak with the square structure according to the present invention for rectangular electromagnetic pulses;
9-1 to 9-3 are simulation diagrams of the electromagnetic pulse protection cloak with the square structure of the invention for sinusoidal electromagnetic pulses;
10-1 to 10-3 are simulation diagrams of the electromagnetic pulse protection cloak with the square structure according to the invention for Gaussian electromagnetic pulses.
The objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
To further explain the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects of the present invention will be given with reference to the accompanying drawings and preferred embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of a preferred embodiment of the electromagnetic pulse protection cloak with a square structure according to the present invention; FIG. 2 is a perspective view of a preferred embodiment of the electromagnetic pulse protection cloak of the present invention in a square configuration; FIG. 3 is a schematic cross-sectional view of a preferred embodiment of the electromagnetic pulse protection cloak of the present invention in a square configuration; FIG. 4 is a schematic diagram of a preferred embodiment of the shelter unit in the electromagnetic pulse protection cloak with a square structure according to the present invention; fig. 5 is a schematic diagram of a preferred embodiment of the protection unit in the electromagnetic pulse protection cloak with the regular polygon structure of the invention. The electromagnetic pulse protection invisible cloak 1 with the regular quadrilateral structure is formed by overlapping a plurality of annular protective layers 10. Further, as shown in fig. 2 to 5, each of the ring-shaped protective layers 10 includes a plurality of protective units 100 therein. A plurality of protective units 100 are continuously disposed on each ring-shaped protective layer 10. The bottom of the electromagnetic pulse protection stealth cloak 1 with the regular quadrilateral structure is provided with an annular ground plate 20, a plurality of metalized pipes 106 are arranged in the electromagnetic pulse protection stealth cloak 1 with the regular quadrilateral structure, the metalized pipes 106 vertically penetrate through the annular protective layer 10 and are connected with the annular ground plate 20, the metalized pipes 106 are connected with the protection unit 100, and a plurality of metalized holes 110 are formed in the metalized pipes 106.
Each shield unit 100 has a dielectric constant epsilon and a magnetic permeability mu.
Wherein,
wherein ∈ is a dielectric constant, μ is a magnetic permeability, a (i.e., a in the formula) is a longest distance from the center point to the inner ring (as shown in fig. 5), b is a longest distance from the center point to the outer ring (as shown in fig. 5), N is an nth side and N is equal to or less than N, N is a total number of regular polygons (in this embodiment, N is 4), and x and y are central coordinates of each protection unit 100.
That is, if each shielding unit 100 is made of a material having a dielectric constant ∈ and a magnetic permeability μ calculated as described above, the electromagnetic pulse can be shielded. It should be noted that the dielectric constant epsilon and the magnetic permeability mu of the guard unit 100 at different positions on each ring-shaped guard layer 10 are not the same. The plurality of protection units 100 made of a plurality of different materials can form protection against electromagnetic pulses, that is, a propagation path for guiding electromagnetic waves based on a conformal transformation theory and an optical transformation theory (in 2006, u.leonhardt and j.b. pendry et al, respectively, propose the conformal transformation theory and the optical transformation theory in journal of science at the same time, and are used for guiding the propagation path for electromagnetic waves), so as to protect against electromagnetic pulses. Since the conformal transformation theory and the optical transformation theory are prior art, they are not described herein. The material can be any other suitable material such as nano-material, graphene material, plasma material and the like with different specifications.
Further, it is well known that the dielectric constant and permeability of a material can be equivalently modeled in a distributed L-C circuit network. That is, an equivalent simulation can be performed using an electric circuit for the material having the dielectric constant ∈ and the magnetic permeability μ. Specifically, each shielding unit 100 uses four inductors and one capacitor to obtain a material with an equivalent dielectric constant ∈ and a magnetic permeability μ. The protective layer 10 and the protective layer 10 are connected by a metalized pipe 106. Specifically, as shown in fig. 3 and 4, the protection unit 100 includes a first inductor 101, a second inductor 102, a third inductor 103, a fourth inductor 104, a fifth inductor 105, a first capacitor 106, a second capacitor 107, a third capacitor 108, and a fourth capacitor 109, wherein the first inductor 101, the second inductor 102, the third inductor 103, and the fourth inductor 104 are connected in series through a conductive wire to form a square structure, one end of the fifth inductor 105 is connected between the first inductor 101 and the fourth inductor 104, the other end of the fifth inductor 105 is connected between the second inductor 102 and the third inductor 103, the first capacitor 106 is connected to the conductive wire connected in series between the first inductor 101 and the second inductor 102, the second capacitor 107 is connected to the conductive wire connected in series between the first inductor 101 and the fourth inductor 104, the third capacitor 108 is connected to the conductive wire connected in series between the second inductor 102 and the third inductor 103, the fourth capacitor 109 is connected to a conducting wire connected in series between the third inductor 103 and the fourth inductor 104, and the first capacitor 106, the second capacitor 107, the third capacitor 108 and the fourth capacitor 109 are each connected to a metallization hole 110. Wherein, the second inductor 102 and the fourth inductor 104Inductance values are all 4L1(see fig. 4), the inductance of the fifth inductor 105 is 2L2(see fig. 4), the inductance values of the first inductor 101 and the third inductor 103 are both 4L3The capacitance values of the first capacitor 106, the second capacitor 107, the third capacitor 108 and the fourth capacitor 109 are all C/4. Wherein, C＝εzzd, d is the length of the guard unit 100, L1、L2And L3All are inductance values, and C is a capacitance value. It should be noted that adjacent guard units 100 in the same ring-shaped guard layer 10 are connected to each other (for example, in the connection manner of four guard units 100 in fig. 4, the guard unit 100 at the upper left corner is connected to the guard unit 100 at the upper right corner and the guard unit at the lower left corner).
Further, in this embodiment, d is calculated as follows: d is lambda/3, lambda is C '/f, C' is the constant of the speed of light, and f is the maximum frequency corresponding to the frequency range in which the electromagnetic pulse energy is concentrated. (the frequency range of the electromagnetic pulse is from positive infinity to negative infinity, but the energy of the electromagnetic pulse is mainly concentrated in a certain frequency range, and f is the maximum frequency corresponding to the frequency range in which the energy of the electromagnetic pulse is concentrated). For a square pulse with a duration of 1 ns, the energy of the square pulse is mainly concentrated at 0-10GHz, according to λ C'/f 3 x 108/10*1093 cm, the size of each protection unit 100 is less than or equal to d λ/3 m/3 1 cm.
In order to verify the protection performance of the electromagnetic pulse protection stealth cloak 1 with the regular quadrilateral structure, four electromagnetic pulses are adopted to verify the protection performance of the electromagnetic pulse protection stealth cloak 1 with the regular quadrilateral structure. 6-1-6-4 are schematic diagrams of four electromagnetic pulses when the electromagnetic pulse protection cloak with a cylindrical structure based on an equivalent circuit is simulated.
Fig. 7-1 to 7-3 are simulation diagrams of the electromagnetic pulse protection cloak with the regular quadrilateral structure according to the present invention for triangular electromagnetic pulses, and as can be seen from fig. 7-1 to 7-3, when the triangular electromagnetic pulses pass through the electromagnetic pulse protection cloak 1 with the regular quadrilateral structure, the triangular pulses do not pass through a square area of the electromagnetic pulse protection cloak 1, where, in combination with fig. 6-1, the parameters are that a is 0.5m, b is 1m, a horizontal axis in a graph of the triangular electromagnetic pulses represents time, a unit is ns, a range is 0-35ns, and a vertical axis represents current, a unit is mA.
Fig. 8-1 to 8-3 are simulation diagrams of the electromagnetic pulse protection cloak with the square quadrilateral structure according to the present invention for rectangular electromagnetic pulses, and as can be seen from fig. 8-1 to 8-3, when a rectangular electromagnetic pulse passes through the electromagnetic pulse protection cloak 1 with the square quadrilateral structure, no rectangular pulse passes through a square area of the electromagnetic pulse cloak 1, where, in conjunction with fig. 6-2, the parameters are that a is 0.5m and b is 1m, the horizontal axis in the graph of the rectangular electromagnetic pulse represents time in ns, the range is 0-35ns, and the vertical axis represents current in mA.
Fig. 9-1 to 9-3 are simulation diagrams of the electromagnetic pulse protection cloak with the square quadrilateral structure according to the present invention for sinusoidal electromagnetic pulses, and as can be seen from fig. 9-1 to 9-3, when the sinusoidal electromagnetic pulses pass through the electromagnetic pulse protection cloak 1 with the square quadrilateral structure, the sinusoidal pulses do not pass through the square area of the electromagnetic pulse cloak 1, where, in combination with fig. 6-3, the parameters are that a is 0.5m, b is 1m, the horizontal axis in the graph of the sinusoidal electromagnetic pulses represents time in ns, the range is 0-35ns, and the vertical axis represents current in mA.
Fig. 10-1 to 10-3 are simulation diagrams of the electromagnetic pulse protection cloak with the square quadrilateral structure according to the present invention for gaussian electromagnetic pulses, and as can be seen from fig. 10-1 to 10-3, when a gaussian electromagnetic pulse passes through the electromagnetic pulse protection cloak 1 with the square quadrilateral structure, the gaussian pulse does not pass through a square area of the electromagnetic pulse cloak 1, where, in combination with fig. 6-4, the parameters are that a is 0.5m, b is 1m, and the horizontal axis in the graph of the gaussian electromagnetic pulse represents time in ns, the range is 0-35ns, and the vertical axis represents current in mA.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention in the specification and drawings, or applied to other related technical fields, are also included in the scope of the present invention.
Claims (5)
1. The electromagnetic pulse protection stealth cloak with the regular quadrilateral structure is characterized in that the electromagnetic pulse protection stealth cloak with the regular quadrilateral structure is formed by overlapping a plurality of annular protective layers, an annular ground plate is arranged at the bottom of the electromagnetic pulse protection stealth cloak with the regular quadrilateral structure, a plurality of metalized pipes are arranged in the electromagnetic pulse protection stealth cloak with the regular quadrilateral structure, the metalized pipes vertically penetrate through the annular protective layers and are connected with the annular ground plates, a plurality of protection units are continuously arranged on each annular protective layer, the metalized pipes vertically penetrate through the annular protective layers and are connected with the annular ground plates, and the metalized pipes are provided with a plurality of metalized holes;
the protection unit comprises a first inductor, a second inductor, a third inductor, a fourth inductor, a fifth inductor, a first capacitor, a second capacitor, a third capacitor and a fourth capacitor, wherein the first inductor, the second inductor, the third inductor and the fourth inductor are connected in series through a lead to form a square structure, one end of the fifth inductor is connected to a joint between the first inductor and the fourth inductor, the other end of the fifth inductor is connected to a joint between the second inductor and the third inductor, the first capacitor is connected to the lead connected in series between the first inductor and the second inductor, the second capacitor is connected to the lead connected in series between the first inductor and the fourth inductor, the third capacitor is connected to the lead connected in series between the second inductor and the third inductor, the fourth capacitor is connected to the lead connected in series between the third inductor and the fourth inductor, and the first capacitor, The second capacitor, the third capacitor and the fourth capacitor are respectively connected with a metalized hole.
2. The electromagnetic pulse protection cloak with a regular quadrilateral structure as claimed in claim 1, wherein each protection unit has a dielectric constant of epsilon and a magnetic permeability of mu, wherein,
wherein a is the longest distance from the central point to the inner ring, b is the longest distance from the central point to the outer ring, N is the nth side and N is less than or equal to N, N is an integer 4, and x and y are the central coordinates of each protection unit.
3. The electromagnetic pulse protection cloak with a regular quadrilateral structure as claimed in claim 2, wherein the inductance values of the second inductor and the fourth inductor are both 4L1The inductance value of the fifth inductor is 2L2The inductance values of the first inductor and the third inductor are both 4L3The capacitance values of the first capacitor, the second capacitor, the third capacitor and the fourth capacitor are all C/4, wherein, C＝εzzd, d is the length of the guard unit, L1、L2And L3All are inductance values, and C is a capacitance value.
4. The electromagnetic pulse protection cloak with a regular quadrilateral structure as claimed in claim 3, wherein d is calculated as follows: d is lambda/3, lambda is C '/f, C' is the constant of the speed of light, and f is the maximum frequency corresponding to the frequency range in which the electromagnetic pulse energy is concentrated.
5. The electromagnetic pulse protection cloak with the regular quadrilateral structure according to claim 4, wherein the electromagnetic pulse is a triangular electromagnetic pulse, a rectangular electromagnetic pulse, a sinusoidal electromagnetic pulse or a Gaussian electromagnetic pulse.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710011625.1A CN106901416B (en) | 2017-01-07 | 2017-01-07 | The stealthy cape of the Spark gap of regular quadrangle structure |
| PCT/CN2017/085947 WO2018126596A1 (en) | 2017-01-07 | 2017-05-25 | Electromagnetic pulse protection invisibility cloak having square structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710011625.1A CN106901416B (en) | 2017-01-07 | 2017-01-07 | The stealthy cape of the Spark gap of regular quadrangle structure |
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| Publication Number | Publication Date |
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| CN106901416A CN106901416A (en) | 2017-06-30 |
| CN106901416B true CN106901416B (en) | 2018-11-20 |
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| CN201710011625.1A Expired - Fee Related CN106901416B (en) | 2017-01-07 | 2017-01-07 | The stealthy cape of the Spark gap of regular quadrangle structure |
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| WO (1) | WO2018126596A1 (en) |
Citations (3)
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| CN202614973U (en) * | 2011-12-22 | 2012-12-19 | 浙江大学 | Square columnar optical band cloaking device constructed by using anisotropic medium |
| CN203117533U (en) * | 2013-03-10 | 2013-08-07 | 浙江大学 | Columnar electromagnetic wave cloaking device |
| CN104076924A (en) * | 2014-06-28 | 2014-10-01 | 西安电子科技大学 | Combined electromagnetic cloaking device |
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| US8837031B2 (en) * | 2007-11-09 | 2014-09-16 | Duke University | Finite-embedded coordinate designed transformation-optical devices |
| CN201438604U (en) * | 2009-06-02 | 2010-04-14 | 东莞市新铂铼电子有限公司 | Improved multi-gap metal ceramic gas discharge tube with external trigger terminal |
| US8490035B2 (en) * | 2009-11-12 | 2013-07-16 | The Regents Of The University Of Michigan | Tensor transmission-line metamaterials |
| WO2014182398A1 (en) * | 2013-05-07 | 2014-11-13 | Board Of Regents, The University Of Texas System | Circuit-loaded conformal metasurface cloak |
| CN104464714B (en) * | 2014-11-05 | 2017-06-23 | 大连理工大学 | A kind of three-dimensional Sound stealth cape structure |
| CN105182295B (en) * | 2015-10-13 | 2016-08-17 | 中国舰船研究设计中心 | Phased-array radar strong electromagnetic pulse protective cover |
| CN105823378B (en) * | 2016-05-06 | 2017-05-10 | 浙江大学 | A three-dimensional fully polarized metasurface cloak |
| CN105828593A (en) * | 2016-05-31 | 2016-08-03 | 南京农业大学 | Device capable of realizing magnetic field shielding without changing surrounding magnetic field distribution |
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2017
- 2017-01-07 CN CN201710011625.1A patent/CN106901416B/en not_active Expired - Fee Related
- 2017-05-25 WO PCT/CN2017/085947 patent/WO2018126596A1/en not_active Ceased
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202614973U (en) * | 2011-12-22 | 2012-12-19 | 浙江大学 | Square columnar optical band cloaking device constructed by using anisotropic medium |
| CN203117533U (en) * | 2013-03-10 | 2013-08-07 | 浙江大学 | Columnar electromagnetic wave cloaking device |
| CN104076924A (en) * | 2014-06-28 | 2014-10-01 | 西安电子科技大学 | Combined electromagnetic cloaking device |
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| WO2018126596A1 (en) | 2018-07-12 |
| CN106901416A (en) | 2017-06-30 |
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