CN106602278A - Metamaterial composite broadband wide-angle scanning matching layer - Google Patents
Metamaterial composite broadband wide-angle scanning matching layer Download PDFInfo
- Publication number
- CN106602278A CN106602278A CN201611183304.1A CN201611183304A CN106602278A CN 106602278 A CN106602278 A CN 106602278A CN 201611183304 A CN201611183304 A CN 201611183304A CN 106602278 A CN106602278 A CN 106602278A
- Authority
- CN
- China
- Prior art keywords
- matching layer
- broadband
- meta materials
- wideangle
- layer
- 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.)
- Granted
Links
Classifications
-
- 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
Abstract
The invention discloses a metamaterial composite broadband wide-angel scanning matching layer. The metamaterial composite broadband wide-angle scanning matching layer includes a metamaterial broadband wide-angle matching layer (1) and a split type medium broadband wide-angle matching layer (2), wherein one side of the split type medium broadband wide-angle matching layer (2) is adhered to one side of the metamaterial broadband wide-angle matching layer (1), and the two layers are adhered through a prepreg. The metamaterial composite broadband wide-angle scanning matching layer provided by the invention is designed based on the metamaterial broadband wide-angle matching layer, and introduces more flexible and multi-dimensional electromagnetic parameter regulation and control; a matching state of an antenna, particularly an active reflection coefficient during large-angle scanning, is improved in a broadband, and antenna working bandwidth is further expanded; and antenna unit beamwidth is expanded, an achievable gain of an array antenna can also be improved, and a gain drop during array large-angle scanning can be reduced.
Description
Technical field
The present invention relates to power conversion technical field, more particularly to a kind of Meta Materials composite broadband large-angle scanning matching layer
And Meta Materials broadband and wideangle matching layer and Meta Materials composite broadband large-angle scanning matching layer manufacturing method thereof.
Background technology
The reflectance factor of phased array antenna aperture surface is with the change of scanning angle, scanning plane and radiation polarization mode
And change.When antenna carries out wide-angle to be scanned, antenna is serious with free space mismatch, have impact on the bandwidth of operation of antenna and sweeps
Retouch angular domain.The matching way of adjustment unit feeder line cannot compensatory reflex coefficient this change, they can only be for certain is specific
Scan angle, scanning plane and polarization compensate, and the problem of mismatch is yet suffered under other states.Using metal, medium
The effect that the means such as grid or coated by dielectric carry out broadband and wideangle impedance matching is also very limited, the work that these methods improve
Narrower bandwidth, it is impossible to realize broadband character.
Thus, it is desirable to have a kind of technical scheme come overcome or at least mitigate prior art at least one drawbacks described above.
The content of the invention
Explanation of nouns：
Meta Materials：Meta Materials are a kind of new artificial materials, and its feature is to build a cellular construction to simulate biography
The atom of commons material, then constitutes the material of a cycle with this cellular construction.Such as split ring resonator.
It is an object of the invention to provide a kind of Meta Materials composite broadband large-angle scanning matching layer is overcoming or at least mitigate
Prior art at least one of drawbacks described above.
For achieving the above object, the present invention provides a kind of Meta Materials composite broadband large-angle scanning matching layer, the Meta Materials
Composite broadband large-angle scanning matching layer includes Meta Materials broadband and wideangle matching layer, partition type medium broadband and wideangle matching layer, wherein,
One face of partition type medium broadband and wideangle matching layer is fitted described one face of Meta Materials broadband and wideangle matching layer, and both pass through
Prepreg is bonded.
Preferably, the Meta Materials broadband and wideangle matching layer is assigned successively by a PMI foams, by first medium layer and first
First high-frequency microwave plate of layers of copper two-layer composition and the metamaterial microstructure composition being etched in the first tax layers of copper, wherein,
The metamaterial microstructure of first etching is contacted with a face of the partition type medium broadband and wideangle matching layer.
Preferably, the partition type medium broadband and wideangle matching layer by the 2nd PMI foams, multiple second mediums article, the 3rd
PMI foams and multiple PMI foam strips composition, the PMI foam strips and the spaced setting of the second medium bar, form one
Block compoboard, one face of the compoboard is bonded with the 2nd PMI foams, another face and the 3rd PMI foams
Bonded.
Preferably, a face of each medium strip and the 2nd PMI foam contactings, another face and the described 3rd
PMI foam contactings, both sides contact respectively with a PMI foam strip.
Present invention also provides a kind of Meta Materials broadband and wideangle matching layer, the Meta Materials broadband and wideangle matching layer is for as above
Described Meta Materials broadband and wideangle matching layer.
Present invention also provides a kind of Meta Materials composite broadband large-angle scanning matches layer manufacturing method thereof, the Meta Materials are combined
Wideband wide scan matching layer manufacturing method thereof comprises the steps：Step 1：Make Meta Materials broadband and wideangle matching layer；Step 2：
Make partition type medium broadband and wideangle matching layer；Step 3：By one face laminating institute of the partition type medium broadband and wideangle matching layer
One face of Meta Materials broadband and wideangle matching layer is stated, and both are bonded by prepreg.
Preferably, the step 1 is specially：Step 11：Remove one layer of tax layers of copper of the first high-frequency microwave plate；Step 12：
Metamaterial microstructure is etched to into another layer of tax layers of copper of the first high-frequency microwave plate；Step 13：By a PMI foams and Jing
The dielectric layer of the first high-frequency microwave plate crossed after the step 12 is processed carries out semi-solid preparation bonding.
Preferably, the step 2 is specially：Step 11：The two-layer for removing the second high-frequency microwave plate assigns layers of copper, so as to obtain
Second high-frequency microwave plate；Step 12：The second high-frequency microwave plate is periodically split into strips along a direction, so as to be formed
Second medium bar；Step 13：By PMI foam strips and the spaced setting of second medium bar, so as to form compoboard；Step 14：
One face of compoboard is bonded with the 2nd PMI foams, another face is bonded with the 3rd PMI foams.
Carried out based on Meta Materials broadband and wideangle matching layer using the Meta Materials composite broadband large-angle scanning matching layer of the application
Design, introduces the electromagnetic parameter regulation and control of more flexible and various dimensions；Improve the matching status of antenna in broadband, especially
It is active refelction coefficient when wide-angle is scanned, has further expanded Antenna Operation bandwidth；Antenna element beam angle has been expanded,
The achievable gain of array antenna can be also improved simultaneously, improved gain when array wide-angle is scanned and declined.
Description of the drawings
Fig. 1 is the structural representation of Meta Materials composite broadband large-angle scanning matching layer according to a first embodiment of the present invention.
Fig. 2 is the Meta Materials broadband and wideangle matching layer in the Meta Materials composite broadband large-angle scanning matching layer shown in Fig. 1
Top view.
Fig. 3 is that aerial array 3dB beam angles compare signal before and after loading Meta Materials composite broadband large-angle scanning matching layer
Figure.
Fig. 4 is that signal is compared in the achievable gain of aerial array before and after loading Meta Materials composite broadband large-angle scanning matching layer
Figure.
Reference
| 1 | Meta Materials broadband and wideangle matching layer | 22 | Second medium bar |
| 2 | Partition type medium broadband and wideangle matching layer | 23 | 3rd PMI foams |
| 11 | First PMI foams | 24 | PMI foam strips |
| 12 | First high-frequency microwave plate | ||
| 21 | 2nd PMI foams |
Specific embodiment
To make purpose, technical scheme and the advantage of present invention enforcement clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from start to finish or class
As label represent same or similar element or the element with same or like function.Described embodiment is the present invention
A part of embodiment, rather than the embodiment of whole.It is exemplary below with reference to the embodiment of Description of Drawings, it is intended to use
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Embodiments of the invention are described in detail below in conjunction with the accompanying drawings.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " is based on accompanying drawing institute
The orientation for showing or position relationship, are for only for ease of the description present invention and simplify description, rather than indicate or imply the dress of indication
Put or element with specific orientation, with specific azimuth configuration and operation, therefore it is not intended that must be protected to the present invention
The restriction of scope.
Fig. 1 is the structural representation of Meta Materials composite broadband large-angle scanning matching layer according to a first embodiment of the present invention.
Fig. 2 is the top view of the Meta Materials broadband and wideangle matching layer in the Meta Materials composite broadband large-angle scanning matching layer shown in Fig. 1.
Fig. 3 is aerial array 3dB beam angle comparison schematic diagrams before and after loading Meta Materials composite broadband large-angle scanning matching layer.Fig. 4 is
Aerial array is capable of achieving gain comparison schematic diagram before and after loading Meta Materials composite broadband large-angle scanning matching layer.
Meta Materials composite broadband large-angle scanning matching layer as shown in Figure 1 include Meta Materials broadband and wideangle matching layer 1 and
Partition type medium broadband and wideangle matching layer 2, wherein, 2 one faces of partition type medium broadband and wideangle matching layer laminating Meta Materials broadband
1 one faces of wide angle matching layer, and both are bonded by prepreg.
Carried out based on Meta Materials broadband and wideangle matching layer using the Meta Materials composite broadband large-angle scanning matching layer of the application
Design, introduces the electromagnetic parameter regulation and control of more flexible and various dimensions；Improve the matching status of antenna in broadband, especially
Active refelction coefficient when wide-angle is scanned, has further expanded Antenna Operation bandwidth；Antenna element beam angle is expanded, together
When can also improve the achievable gain of array antenna, improve gain when array wide-angle is scanned and decline.
Referring to Fig. 1 and Fig. 2, in the present embodiment, Meta Materials broadband and wideangle matching layer 1 successively by a PMI foams 11, by
First medium layer and the first tax layers of copper two-layer the first high-frequency microwave plate 12 for constituting and the Meta Materials being etched in the first tax layers of copper
Micro-structural is constituted, wherein, a face of the first metamaterial microstructure for etching and the partition type medium broadband and wideangle matching layer
Contact.
Referring to Fig. 1, in the present embodiment, partition type medium broadband and wideangle matching layer 2 is by the 2nd PMI foams 21, Duo Ge
Second medium article 22, the 3rd PMI foams 23 and multiple PMI foam strips 24 are constituted, and PMI foam strips 24 are mutual with second medium bar 22
Interval setting, forms one block of compoboard, and one face of compoboard bonded with the 2nd PMI foams 21, another face and described the
Three PMI foams 23 are bonded.
Referring to Fig. 1, in the present embodiment, a face of each second medium article 22 contacts with the 2nd PMI foams 21, another
Individual face contacts with the 3rd PMI foams 23, and both sides contact respectively with a PMI foam strip 24.
Present invention also provides a kind of Meta Materials broadband and wideangle matching layer, Meta Materials broadband and wideangle matching layer is as described above
Meta Materials broadband and wideangle matching layer.
Present invention also provides a kind of Meta Materials composite broadband large-angle scanning matches layer manufacturing method thereof, the compound width of the Meta Materials
Band large-angle scanning matching layer preparation method comprises the steps：
Step 1：Make Meta Materials broadband and wideangle matching layer；
Step 2：Make partition type medium broadband and wideangle matching layer；
Step 3：By one face of partition type medium broadband and wideangle matching layer, one face of laminating Meta Materials broadband and wideangle matching layer,
And both are bonded by prepreg.
The Meta Materials composite broadband width that layer manufacturing method thereof makes is matched using the application Meta Materials composite broadband large-angle scanning
Angle sweep matching layer is designed based on Meta Materials broadband and wideangle matching layer, introduces the electromagnetic parameter of more flexible and various dimensions
Regulation and control；Improve the matching status of antenna in broadband, active refelction coefficient when especially wide-angle is scanned further is expanded
Antenna Operation bandwidth；Antenna element beam angle is expanded, while can also improve the achievable gain of array antenna, has improved battle array
Gain when row wide-angle is scanned declines.
In the present embodiment, step 1 is specially：Step 11：Remove one layer of tax layers of copper of the first high-frequency microwave plate；Step
12：Metamaterial microstructure is etched to into another layer of tax layers of copper of the first high-frequency microwave plate；Step 13：By a PMI foams and Jing
The dielectric layer of the first high-frequency microwave plate crossed after step 12 is processed carries out semi-solid preparation bonding.
In the present embodiment, the step 2 is specially：
Step 11：The two-layer for removing the second high-frequency microwave plate assigns layers of copper, so as to obtain the second high-frequency microwave plate；
Step 12：The second high-frequency microwave plate is periodically split into strips along a direction, so as to form second Jie
Matter bar；
Step 13：By PMI foam strips and the spaced setting of second medium bar, so as to form compoboard；
Step 14：One face of compoboard is bonded with the 2nd PMI foams, another face is carried out with the 3rd PMI foams
Bonding.
Referring to Fig. 4, in the embodiment shown in fig. 4, the first high-frequency microwave plate and the second high-frequency microwave plate are normal using dielectric
Number is 2.2, the dielectric-slab of thickness 0.127mm, the cycle dx=10.3mm of partition type medium width angle matching layer X-direction, Meta Materials
The cycle of micro-structural is dx=10.3mm, dy=8.9mm, is periodically consistent with the antenna for being loaded.
The Meta Materials composite broadband large-angle scanning matching layer that can be seen that the application from the comparison of simulation result is introduced more
Plus the electromagnetic parameter regulation and control of flexible and various dimensions, innovatively define the width being combined based on PMI, traditional material and Meta Materials
Bandwidth angle matching layer design concept, has expanded the beamwidth of antenna, scanning angle and beam of unit width, improves array working band
Interior active refelction coefficient and array gain, during broadband and wideangle antenna system can be efficiently applied to.
It is last it is to be noted that：Above example only to illustrate technical scheme, rather than a limitation.To the greatest extent
Pipe has been described in detail with reference to the foregoing embodiments to the present invention, it will be understood by those within the art that：It is still
Technical scheme described in foregoing embodiments can be modified, or equivalent is carried out to which part technical characteristic and replaced
Change；And these modifications or replacement, do not make the essence of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution
God and scope.
Claims (8)
1. a kind of Meta Materials composite broadband large-angle scanning matching layer, it is characterised in that the Meta Materials composite broadband large-angle scanning
Matching layer includes Meta Materials broadband and wideangle matching layer (1) and partition type medium broadband and wideangle matching layer (2), wherein, partition type
Described (1) face of Meta Materials broadband and wideangle matching layer of (2) faces laminatings of medium broadband and wideangle matching layer, and both are by half
Cured sheets are bonded.
2. Meta Materials composite broadband large-angle scanning matching layer as claimed in claim 1, it is characterised in that the Meta Materials broadband
Wide angle matching layer (1) is successively by a PMI foams (11), the first high frequency being made up of first medium layer and the first tax layers of copper two-layer
Microwave board (12) and the metamaterial microstructure composition being etched in the first tax layers of copper, wherein, the super material of first etching
Material micro-structural is contacted with a face of the partition type medium broadband and wideangle matching layer.
3. Meta Materials composite broadband large-angle scanning matching layer as claimed in claim 2, it is characterised in that the partition type medium
Broadband and wideangle matching layer (2) is by the 2nd PMI foams (21), multiple second mediums article (22), the 3rd PMI foams (23) and multiple
PMI foam strips (24) composition, the PMI foam strips (24) and the spaced setting of the second medium bar (22), form one piece
Compoboard, one face of the compoboard is bonded with the 2nd PMI foams (21), and another face is steeped with the 3rd PMI
Foam (23) is bonded.
4. Meta Materials composite broadband large-angle scanning matching layer as claimed in claim 3, it is characterised in that each described second is situated between
One face of matter article (22) contacts with the 2nd PMI foams (21), and another face contacts with the 3rd PMI foams (23),
Both sides contact respectively with a PMI foam strip (24).
5. a kind of Meta Materials broadband and wideangle matching layer, it is characterised in that the Meta Materials broadband and wideangle matching layer is that such as right will
Seek the Meta Materials broadband and wideangle matching layer described in any one in 1 to 4.
6. a kind of Meta Materials composite broadband large-angle scanning matches layer manufacturing method thereof, it is characterised in that the Meta Materials composite broadband
Large-angle scanning matching layer manufacturing method thereof comprises the steps：
Step 1：Make Meta Materials broadband and wideangle matching layer；
Step 2：Make partition type medium broadband and wideangle matching layer；
Step 3：By one face laminating of partition type medium broadband and wideangle matching layer Meta Materials broadband and wideangle matching layer one
Individual face, and both are bonded by prepreg.
7. Meta Materials composite broadband large-angle scanning as claimed in claim 6 matches layer manufacturing method thereof, it is characterised in that the step
Rapid 1 is specially：
Step 11：Remove one layer of tax layers of copper of the first high-frequency microwave plate；
Step 12：Metamaterial microstructure is etched to into another layer of tax layers of copper of the first high-frequency microwave plate；
Step 13：First PMI foams are carried out into half with the dielectric layer of the first high-frequency microwave plate after the step 12 is processed
Solidification bonding.
8. Meta Materials composite broadband large-angle scanning as claimed in claim 7 matches layer manufacturing method thereof, it is characterised in that the step
Rapid 2 are specially：
Step 11：The two-layer for removing the second high-frequency microwave plate assigns layers of copper, so as to obtain the second high-frequency microwave plate；
Step 12：The second high-frequency microwave plate is periodically split into strips along a direction, so as to form second medium bar；
Step 13：By PMI foam strips and the spaced setting of second medium bar, so as to form compoboard；
Step 14：One face of compoboard is bonded with the 2nd PMI foams, another face is bonded with the 3rd PMI foams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611183304.1A CN106602278B (en) | 2016-12-20 | 2016-12-20 | A kind of Meta Materials composite broadband large-angle scanning matching layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611183304.1A CN106602278B (en) | 2016-12-20 | 2016-12-20 | A kind of Meta Materials composite broadband large-angle scanning matching layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106602278A true CN106602278A (en) | 2017-04-26 |
| CN106602278B CN106602278B (en) | 2019-10-18 |
Family
ID=58599741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611183304.1A Active CN106602278B (en) | 2016-12-20 | 2016-12-20 | A kind of Meta Materials composite broadband large-angle scanning matching layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106602278B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112490680A (en) * | 2020-11-18 | 2021-03-12 | 扬州船用电子仪器研究所(中国船舶重工集团公司第七二三研究所) | Metamaterial broadband wide-angle scanning impedance matching layer |
| CN113013639A (en) * | 2021-02-09 | 2021-06-22 | 中山大学 | Broadband wide-angle scanning phased array unit and array structure |
| CN113690628A (en) * | 2021-08-25 | 2021-11-23 | 电子科技大学 | Low-scattering ultra-wideband strong-coupling phased array antenna based on novel electromagnetic metamaterial |
| CN115621741A (en) * | 2022-10-28 | 2023-01-17 | 惠州硕贝德无线科技股份有限公司 | Phased array antenna, radio frequency wireless circuit and 5G mobile device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070164908A1 (en) * | 2006-01-17 | 2007-07-19 | Beverly Turchinetz | Antenna radiation collimator structure |
| US20100104823A1 (en) * | 2008-10-23 | 2010-04-29 | Searete Llc, A Limited Liability Corporation Of The State Of Delaware | Reactive composite material structures with multiple reaction-propagation circuits |
| CN102593589A (en) * | 2012-02-29 | 2012-07-18 | 西安空间无线电技术研究所 | Single pulse wide angle electric scanning reflective array antenna |
-
2016
- 2016-12-20 CN CN201611183304.1A patent/CN106602278B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070164908A1 (en) * | 2006-01-17 | 2007-07-19 | Beverly Turchinetz | Antenna radiation collimator structure |
| US20100104823A1 (en) * | 2008-10-23 | 2010-04-29 | Searete Llc, A Limited Liability Corporation Of The State Of Delaware | Reactive composite material structures with multiple reaction-propagation circuits |
| CN102593589A (en) * | 2012-02-29 | 2012-07-18 | 西安空间无线电技术研究所 | Single pulse wide angle electric scanning reflective array antenna |
Non-Patent Citations (2)
| Title |
|---|
| QIAN ZHAO ETC.: "Experimental Demonstration of Isotropic Negative Permeability in a Three-Dimensional Dielectric Composite", 《PHYSICAL REVIEW LETTERS》 * |
| 李思佳 等: "宽带宽角立体超材料吸波体设计", 《2015年全国微波毫米波会议论文集》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112490680A (en) * | 2020-11-18 | 2021-03-12 | 扬州船用电子仪器研究所(中国船舶重工集团公司第七二三研究所) | Metamaterial broadband wide-angle scanning impedance matching layer |
| CN113013639A (en) * | 2021-02-09 | 2021-06-22 | 中山大学 | Broadband wide-angle scanning phased array unit and array structure |
| CN113690628A (en) * | 2021-08-25 | 2021-11-23 | 电子科技大学 | Low-scattering ultra-wideband strong-coupling phased array antenna based on novel electromagnetic metamaterial |
| CN115621741A (en) * | 2022-10-28 | 2023-01-17 | 惠州硕贝德无线科技股份有限公司 | Phased array antenna, radio frequency wireless circuit and 5G mobile device |
| CN115621741B (en) * | 2022-10-28 | 2023-12-15 | 惠州硕贝德无线科技股份有限公司 | Phased array antenna, radio frequency wireless circuit and 5G mobile device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106602278B (en) | 2019-10-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106602278A (en) | Metamaterial composite broadband wide-angle scanning matching layer | |
| KR100719764B1 (en) | Multi-layer capacitive coupling in phased array antennas | |
| US8237619B2 (en) | Dual beam sector antenna array with low loss beam forming network | |
| CN106169645A (en) | Antenna assembly, radio communication device and radar installations | |
| DE102016101583B4 (en) | Radom | |
| CN106410396A (en) | Compact multi-beam antenna array with high and low frequencies of filtering oscillators in interlacing arrangement | |
| US20230104131A1 (en) | Base station antennas having reflector assemblies including a nonmetallic substrate having a metallic layer thereon | |
| US20080174510A1 (en) | Radome for endfire antenna arrays | |
| KR101727488B1 (en) | MIMO array antenna for multiplexing massive Multi-Input-Multi-Output communications | |
| JPH04354402A (en) | Flat-top antenna | |
| US20200058991A1 (en) | Radome wall for communication applications | |
| CN107732465B (en) | Dual-band dual-polarization fast drop rectangular shaped array antenna | |
| KR102138855B1 (en) | Non-feeding reradiate repeater and method for manufacturing of the same | |
| CN103151580B (en) | Double-frequency-band submillimeter wave FSS (frequency selective surface) with loading fractal structure | |
| JP6002644B2 (en) | Antenna device and reflector arrangement method | |
| CN206516753U (en) | A kind of low-and high-frequency filters the compact multi-beam antenna array of a period of time interleaved arrangement | |
| US20180366831A1 (en) | Wideband Antenna System | |
| CN110690584A (en) | Low-profile broadband wide-angle cylindrical surface conformal multi-beam microstrip array antenna | |
| CN105742807B (en) | A kind of Vivaldi antenna assemblies applied to imaging system | |
| US11005176B2 (en) | Radome shell having a non-uniform structure | |
| US10741928B2 (en) | Method for increasing the transmission of radiofrequency electromagnetic waves through thermally insulating glass sheets | |
| CN103956585A (en) | Phased-array antenna unit with flat-top directional diagram characteristics | |
| US20160156105A1 (en) | Combined aperture and manifold applicable to probe fed or capacitively coupled radiating elements | |
| US20070182635A1 (en) | Array antenna for suppressing back singal and method for designing the same | |
| CN106299674B (en) | A kind of frequency-selective surfaces antenna house bandwidth compensation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |