CN210926317U - ISGW feed gap coupling super-surface antenna - Google Patents
ISGW feed gap coupling super-surface antenna Download PDFInfo
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- CN210926317U CN210926317U CN201920845252.2U CN201920845252U CN210926317U CN 210926317 U CN210926317 U CN 210926317U CN 201920845252 U CN201920845252 U CN 201920845252U CN 210926317 U CN210926317 U CN 210926317U
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Abstract
The utility model discloses a ISGW feed gap coupling super-surface antenna, which comprises an antenna radiation structure and an integrated substrate gap waveguide structure, wherein the antenna radiation structure and the integrated substrate gap waveguide structure are sequentially arranged and overlapped from top to bottom; the integrated substrate gap waveguide structure includes an electromagnetic bandgap structure for shielding electromagnetic radiation energy and a feed structure for transferring energy to the antenna radiation structure. The feed structure comprises a second dielectric plate, the upper surface of the second dielectric plate is coated with a first copper coating layer, and a gap is etched in the middle of the first copper coating layer; and a microstrip feeder line is arranged on the lower surface of the second dielectric plate. The utility model discloses a super surface antenna of ISGW feed gap coupling has low section, wide bandwidth, characteristics such as high-gain, workable, can be as 5G millimeter wave antenna.
Description
Technical Field
The utility model relates to a wireless communication millimeter wave antenna especially relates to a super surface antenna of ISGW feed gap coupling.
Background
With the development of communication systems, the frequency requirements of people on devices in microwave and millimeter wave frequency bands are continuously improved, and when the traditional microstrip line structure is applied to higher frequency, larger loss and leakage can be generated.
Integrated substrate gap waveguides can better address the above issues. The structure is based on multilayer PCB technology, and the microstrip line is packaged in the electromagnetic band gap structure, so that the shielding property of the feed network is improved. In recent years, the super-surface structure is used for antenna design, and can improve the performance of the antenna in various aspects, such as bandwidth expansion, gain increase, directional diagram improvement and the like, thereby having good application prospects.
The utility model discloses combine integrated substrate clearance waveguide and super surface structure for the first time, designed integrated substrate clearance waveguide feed gap coupling super surface linear polarization antenna to integrated substrate clearance waveguide overcomes the limitation of traditional microstrip line structure at the millimeter wave frequency channel, realizes good antenna performance with super surface structure.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: to the problem that above-mentioned exists, provide a super surface antenna of ISGW feed gap coupling, solved current millimeter wave antenna bandwidth narrower, the gain is lower, leak serious scheduling problem, and can with the utility model discloses be applied to radio frequency, microwave and millimeter wave frequency channel.
The utility model adopts the technical scheme as follows:
an ISGW feed gap coupling super-surface antenna comprises an antenna radiation structure and an integrated substrate gap waveguide structure, wherein the antenna radiation structure and the integrated substrate gap waveguide structure are sequentially arranged and overlapped from top to bottom; the integrated substrate gap waveguide structure includes an electromagnetic bandgap structure for shielding electromagnetic radiation energy and a feed structure for transferring energy to the antenna radiation structure.
Further, the utility model also discloses a preferred structure of ISGW feed gap coupling super surface antenna, the feed structure includes the second dielectric plate, and the upper surface of second dielectric plate has laid first copper clad laminate, first copper clad laminate middle part sculpture has the gap; and a microstrip feeder line is arranged on the lower surface of the second dielectric plate.
Further, the microstrip feeder line extends from one end of the second dielectric plate to the middle of the second dielectric plate and completely crosses the slot; the gap is a rectangular gap etched in the middle of the first copper coating layer; the microstrip feeder line is rectangular.
Furthermore, the microstrip feeder line extends from one end of the second dielectric slab to the middle of the second dielectric slab to a position right below the slot; the microstrip feeder line is rectangular; the gap is a rectangular gap etched in the middle of the first copper clad layer.
Furthermore, the tail end of the microstrip feeder line is arranged in a T shape, a metal strip corresponding to a transverse line at the top of the T shape is arranged right below the rectangular slot, and the width of the metal strip corresponding to the transverse line at the top of the T shape is smaller than that of the rectangular slot.
Furthermore, the tail end of the microstrip feeder line is arranged in a fan shape or a circular shape, and the fan-shaped or circular tail end is arranged right below the rectangular slot.
Furthermore, the rectangular slot is arranged in the middle of the first copper clad layer, the rectangular slot is perpendicular to the microstrip feeder line, and the microstrip feeder line completely crosses the rectangular slot.
Furthermore, the antenna radiation structure is a super-surface structure, and includes a first dielectric plate, and the upper surface of the first dielectric plate is provided with radiation patches arranged periodically.
Furthermore, the radiation patch is a square patch, a hexagonal corner cut patch or a circular radiation patch, the lower surface of the first dielectric plate of the radiation patch is connected with the first copper clad layer, and the microstrip feeder line provides energy for the antenna radiation structure through a rectangular slot on the first copper clad layer.
Furthermore, the radiation patch is formed by hollowing out different shapes on the radiation patch on the basis of a rectangular patch and combining and arranging a plurality of rectangular patches.
Furthermore, a third dielectric plate is arranged between the feed structure and the electromagnetic band gap structure, and the third dielectric plate isolates the feed structure from the electromagnetic band gap structure; the upper surface of the third dielectric plate is connected with the microstrip feeder.
Further, the electromagnetic band gap structure comprises a fourth dielectric slab, and a second copper clad layer is arranged on the lower surface of the fourth dielectric slab; circular patches which are periodically arranged are printed on the upper surface of the fourth dielectric plate, through holes are formed in the fourth dielectric plate between the circular patches and the second copper clad layer, and the axes of the through holes and the circle center of each circular patch are on the same straight line; a metal sheet is arranged on the side wall of the through hole and forms a metal through hole, and the second copper clad layer is communicated with the circular patch through the metal through hole; the circular patches printed on the upper surface of the fourth dielectric plate, the metal via holes arranged periodically and the second copper clad layer on the lower surface of the fourth dielectric plate together form a mushroom-shaped electromagnetic band gap structure; the electromagnetic band gap structure can prevent the energy transmitted by the first copper clad layer and the microstrip feed line from leaking.
Further, the electromagnetic band gap structure comprises a fourth dielectric slab, and a second copper clad layer is arranged on the lower surface of the fourth dielectric slab; the fourth dielectric plate is provided with through holes which are arranged periodically, the side walls of the through holes are provided with metal sheets and form metal through holes, and the metal through holes are connected with the second copper clad layer; the lower surface of the microstrip feeder line is connected with the corresponding metal via hole; the electromagnetic band gap structure can prevent the energy transmitted by the first copper clad layer and the microstrip feed line from leaking.
Furthermore, the dielectric plate of the super-surface antenna is made of plastics, fibers and ceramics.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses integrated substrate clearance waveguide feed gap coupling super surface linear polarization antenna has improved the energy transmission characteristic of millimeter wave frequency channel through introducing integrated substrate clearance waveguide structure, has improved the radiation performance of antenna through introducing super surface structure;
2. by integrating the antenna on the substrate, the thickness of the antenna is greatly reduced, the gain of the antenna is improved, and the broadband of the antenna is improved.
Drawings
Fig. 1 is an ISGW feed slot coupled super surface antenna of the present invention;
FIG. 2 shows simulation results of return loss and gain of an ISGW feed slot coupled super-surface antenna;
fig. 3 is a directional diagram of an ISGW feed slot coupled super-surface antenna of the present invention.
FIG. 4 is a schematic structural view of a radiation structure of embodiment 2;
FIG. 5 is the results of a return loss and gain simulation of example 2;
FIG. 6 is the directivity pattern of embodiment 2;
fig. 7 is a schematic structural view of a feed structure and an electromagnetic bandgap structure of embodiment 3;
FIG. 8 is a schematic structural view of a radiation structure of example 4;
FIG. 9 is a schematic structural view of a radiation structure of example 5;
FIG. 10 is a schematic structural view of a radiation structure of example 6;
FIG. 11 is a schematic structural view of a radiation structure of example 7;
FIG. 12 is a schematic structural view of a radiation structure of example 8;
FIG. 13 is a schematic structural view of a radiation structure of example 9;
FIG. 14 is a schematic structural view of a radiation structure of example 10;
fig. 15 is a schematic configuration diagram of the feeding structure of embodiment 11;
fig. 16 is a schematic configuration diagram of the feeding structure of embodiment 12;
fig. 17 is a schematic configuration diagram of the feeding structure of embodiment 13.
The labels in the figure are: 1 is a first dielectric plate, 2 is a second dielectric plate, 3 is a third dielectric plate, 4 is a fourth dielectric plate, 5 is a square patch, 6 is a rectangular slot, 7 is a first copper-clad layer, 8 is a microstrip feeder, 9 is a circular patch, 10 is a metal via hole, 11 is a second copper-clad layer, 12 is a corner-cut patch, 13 is a circular radiation patch, 14 is a diamond patch, 15 is a triangular patch, 16 is a first rectangular patch, 17 is a second rectangular patch, 18 is a clip patch, 19 is a first patch, 20 is an L-shaped hollow, 21 is a second patch, 22 is a third patch, 23 is a fourth patch, 24 is a metal strip, 25 is a fan-shaped copper strip, 26 is a circular copper strip, 27 is a fifth patch, and 28 is a sixth patch.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and 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.
Example 1:
as shown in fig. 1, the present invention includes a first dielectric plate 1, a second dielectric plate 2, a third dielectric plate 3, and a fourth dielectric plate 4; the first dielectric plate 1, the second dielectric plate 2, the third dielectric plate 3 and the fourth dielectric plate 4 are pressed together to form a whole. The ISGW substrate integrates a gap waveguide.
The upper surface of the first dielectric plate 1 is provided with a plurality of periodically arranged corner-cut patches 5 as a radiation structure, and the upper surface of the second dielectric plate 2 is provided with a first copper-clad layer 7 as a ground of the antenna.
The integrated substrate gap waveguide structure is composed of a second dielectric plate 2, a third dielectric plate 3 and a fourth dielectric plate 4; a first copper clad layer 7 is arranged on the upper surface of the second dielectric plate 2, and a microstrip feeder line 8 is printed on the lower surface of the second dielectric plate 2; a rectangular gap 6 is etched on the first copper clad layer 7; the third dielectric plate 3 is a blank dielectric plate and is used for separating the second dielectric plate 2 from the fourth dielectric plate 4; the upper surface of the fourth dielectric plate 4 is printed with circular patches 9 which are periodically arranged, the fourth dielectric plate 4 is provided with metal via holes 10 which are periodically arranged, and the lower surface is provided with a second copper clad layer 11.
The upper surface of the second dielectric plate 2 is provided with a first copper coating layer 7, the lower surface of the second dielectric plate 2 is printed with a micro-strip feeder line 8, and the second dielectric plate 2, the first copper coating layer 7 and the micro-strip feeder line 8 jointly form a waveguide-like structure for transmitting energy.
The periodic circular patches 9 printed on the upper surface of the fourth dielectric plate 4, the periodic metal via holes 10 on the fourth dielectric plate 4 and the second copper clad layer 11 on the lower surface form a mushroom-shaped electromagnetic band gap structure, and the whole fourth dielectric plate 4 is equivalent to an ideal magnetic conductor and can prevent the energy transmitted by the first copper clad layer 7 and the microstrip feeder line 8 from leaking.
The upper surface of the fourth dielectric plate 4 is printed with a circular patch 9, metal through holes 10 are punched on the circular patch 9, and the circular patch 9 and the metal through holes 10 are in one-to-one correspondence and are concentric.
In order to make the mushroom-shaped electromagnetic band gap structure work in a required frequency band in the integrated substrate gap waveguide structure, the sizes of the circular patch 9 and the metal through hole 10 are properly selected to determine a stop band of the mushroom-shaped electromagnetic band gap structure so as to enable the stop band to be matched with the working frequency band of the antenna.
The utility model discloses integrated substrate clearance waveguide feed gap coupling super surface linear polarization antenna through introducing integrated substrate clearance waveguide structure, has improved the energy transmission characteristic of millimeter wave frequency channel, through introducing super surface structure, has improved the radiation performance of antenna.
The first dielectric plate 1, the second dielectric plate 2 and the third dielectric plate 3 are made of materials with dielectric constants of 2.2 and loss tangent of 0.0009, the fourth dielectric plate 4 is made of materials with dielectric constants of 4.4 and loss tangent of 0.02, and the total size of the antenna is 12mm ＊ 12mm ＊ 0.1.362 mm.
The return loss and gain simulation results shown in fig. 2 indicate that the utility model relates to an ISGW feed gap coupling super surface antenna central frequency 28.34GHz, -10 dB impedance bandwidth is 24.80 GHz-31.87 GHz, absolute bandwidth 7.07GHz, relative bandwidth 25.0%, and in-band gain reaches 8.4 dBi-11.4 dBi.
As shown in fig. 3, the directional diagram of the antenna shows that when the electromagnetic radiation intensity of the E-plane perpendicular to the first dielectric plate 1 and parallel to the microstrip feed line 8 is in the 0 ° direction, the radiation intensity reaches the maximum; when the electromagnetic radiation intensity of the H surface which is perpendicular to the first dielectric plate 1 and parallel to the rectangular gap 6 is in the direction of 0 degrees, the radiation intensity reaches the maximum.
Example 2:
as shown in fig. 4, the square patch 5 is replaced with a corner cut patch 12 based on example 1.
The first dielectric plate 1, the second dielectric plate 2 and the third dielectric plate 3 are made of materials with the dielectric constant of 2.2 and the loss tangent of 0.0009, the fourth dielectric plate 4 is made of materials with the dielectric constant of 4.4 and the loss tangent of 0.02, and the total size of the antenna is 12mm ＊ 12mm ＊ 1.362.362 mm.
The return loss, gain and axial ratio simulation results shown in fig. 5 show that the utility model relates to an ISGW feed gap coupling super surface circular polarized antenna central frequency 28.08GHz, -10 dB impedance bandwidth is 25.34 GHz-30.81 GHz, absolute bandwidth 5.47GHz, relative bandwidth 19.5%, 3dB axial ratio bandwidth is 28.15 GHz-32.28 GHz, absolute bandwidth 4.13GHz, relative bandwidth 14.7%, and impedance bandwidth in-band gain reaches 8.9 dBi-10.35 dBi.
As shown in fig. 6, it can be seen from the diagram that the antenna is a directional diagram, and it can be seen from the directional diagram that when the electromagnetic radiation intensity of the E-plane perpendicular to the first dielectric plate 1 and parallel to the microstrip feed line 8 is in the direction of 0 °, the radiation intensity reaches the maximum; when the electromagnetic radiation intensity of the H surface which is perpendicular to the first dielectric plate 1 and parallel to the rectangular gap 6 is in the direction of 0 degrees, the radiation intensity reaches the maximum.
Example 3:
as shown in fig. 7, the present invention includes a first dielectric plate 1, a second dielectric plate 2, and a fourth dielectric plate 4; the first dielectric plate 1, the second dielectric plate 2 and the fourth dielectric plate 4 are pressed together to form a whole.
The upper surface of the first dielectric plate 1 is provided with square patches 5 or corner-cut patches 12 which are periodically arranged and used as a radiation structure, and the upper surface of the second dielectric plate 2 is provided with a first copper-clad layer 7 used as the ground of the antenna.
The integrated substrate gap waveguide structure is composed of a second dielectric plate 2 and a fourth dielectric plate 4; a first copper clad layer 7 is arranged on the upper surface of the second dielectric plate 2, and a microstrip feeder line 8 is printed on the lower surface of the second dielectric plate 2; a rectangular gap 6 is etched on the first copper clad layer 7; the fourth dielectric plate 4 is provided with metal via holes 10 arranged periodically, and the lower surface is a second copper clad layer 11.
The upper surface of the second dielectric plate 2 is provided with a first copper coating layer 7, the lower surface of the second dielectric plate 2 is printed with a micro-strip feeder line 8, and the second dielectric plate 2, the first copper coating layer 7 and the micro-strip feeder line 8 jointly form a waveguide-like structure for transmitting energy.
The periodic metal via holes 10 on the fourth dielectric plate 4 and the second copper clad layer 11 on the lower surface form an electromagnetic band gap structure together, and the whole fourth dielectric plate 4 is equivalent to an ideal magnetic conductor and can prevent energy transmitted by the first copper clad layer 7 and the microstrip feeder line 8 from leaking.
The lower surface of the microstrip feeder line 8 is connected with the corresponding metal via hole 10.
In order to make the electromagnetic band gap structure work in a required frequency band in the integrated substrate gap waveguide structure, the dimensions of the circular patch 9 and the metal via hole 10 are properly selected to determine the stop band of the electromagnetic band gap structure, so that the stop band of the electromagnetic band gap structure is matched with the working frequency band of the antenna.
The utility model discloses integrated substrate clearance waveguide feed gap coupling super surface linear polarization antenna through introducing integrated substrate clearance waveguide structure, has improved the energy transmission characteristic of millimeter wave frequency channel, through introducing super surface structure, has improved the radiation performance of antenna.
Example 4:
as shown in fig. 8, on the basis of embodiment 1, 2 or 3, the square patch 5 or the corner cut patch 12 is replaced by a circular radiation patch 13; for use with communication antennas of different frequencies and bandwidths.
Example 5:
as shown in fig. 9, based on the embodiment 4, the circular radiation patch 13 is replaced by a diamond patch 14 arranged in an X shape, a horizontal slit is formed in the middle of the diamond patch 14 at the middle of the whole radiation power supply, and the diamond patch 14 is divided into two triangular patches 15 arranged up and down; for use with communication antennas of different frequencies and bandwidths.
Example 6:
as shown in fig. 10, based on embodiment 4, the circular radiation patch 13 is replaced by a first rectangular patch 16 and a second rectangular patch 17, the length and width of the second rectangular patch 17 are both greater than those of the first rectangular patch 16, there are two first rectangular patches 16 and two second rectangular patches 17, the two second rectangular patches 17 are adjacently and horizontally disposed, and the first rectangular patches 16 are disposed on the upper and lower sides of the two second rectangular patches 17.
Example 7:
as shown in fig. 11, based on the embodiment 4, the circular radiation patches 13 are replaced by the loop patches 18 arranged periodically, and the loop patches 18 are based on square patches, and the middle parts of the square patches are formed with rectangular ring-shaped hollow parts.
Example 8:
as shown in fig. 12, in embodiment 4, the circular radiation patch 13 is replaced by a first patch 19, four first patches 19 are arranged in a grid shape, and L-shaped hollow parts are opened at the corners of the four first patches 19 corresponding to the four corners of the grid shape, so as to form a radiation antenna.
Example 9:
as shown in fig. 13, in example 4, the circular radiation patch 13 is replaced by a second patch 21 and a third patch 22, the widths of the second patch 21 and the third patch 22 are equal, and the length of the third patch 22 is greater than that of the second patch 21. Two rows of second patches 21 are arranged in the middle of the first dielectric plate 1, and a row of third patches 22 are respectively arranged on the upper and lower sides of the two rows of second patches 21 to form a radiation antenna.
Example 10:
as shown in fig. 14, the circular radiation patch 13 is replaced with a fourth patch 23, a fifth patch 27, and a sixth patch 28 on the basis of embodiment 4. The fifth patch 27 is square, and the fifth patch 27 is disposed in the middle of the first dielectric plate 1. The fifth patches 27 are provided with sixth patches 28 on the upper, lower, left and right sides, respectively. The upper left, lower left, upper right and lower right of the fifth patch 27 are all provided with a fourth patch 23.
The fourth patch 23 is formed by arranging four smaller square patches in a grid shape. The sixth patch 28 is formed by hollowing out four rectangular slits along the diagonal line at four corners based on the square patch, and the four slits are not connected.
Example 11:
as shown in fig. 15, on the basis of one of embodiments 4 to 10, the ends of the microstrip feed lines 8 are arranged in a T shape, the metal strips 24 corresponding to the top transverse lines of the T shape are arranged right below the rectangular slot 6, and the width of the metal strips 24 corresponding to the top transverse lines of the T shape is smaller than that of the rectangular slot 6.
Example 12:
as shown in fig. 16, on the basis of one of embodiments 4 to 10, the end of the microstrip feed line 8 is provided with a fan-shaped copper sheet 25, and the fan-shaped copper sheet 25 is arranged right below the rectangular slot 6.
Example 13:
as shown in fig. 17, on the basis of one of embodiments 4 to 10, the end of the microstrip feed line 8 is provided with a circular copper sheet 26, and the circular copper sheet 26 is disposed right below the rectangular slot 6.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (14)
1. An ISGW feed slot coupling super surface antenna, characterized in that: the integrated substrate gap waveguide structure comprises an antenna radiation structure and an integrated substrate gap waveguide structure, wherein the antenna radiation structure and the integrated substrate gap waveguide structure are sequentially arranged and overlapped from top to bottom; the integrated substrate gap waveguide structure includes an electromagnetic bandgap structure for shielding electromagnetic radiation energy and a feed structure for transferring energy to the antenna radiation structure.
2. The ISGW fed slot-coupled super-surface antenna of claim 1, wherein: the feed structure comprises a second dielectric plate (2), a first copper coating layer (7) is laid on the upper surface of the second dielectric plate (2), and a gap is etched in the middle of the first copper coating layer (7); and a microstrip feeder line (8) is arranged on the lower surface of the second dielectric plate (2).
3. An ISGW fed slot coupled super surface antenna, as claimed in claim 2, wherein: the microstrip feeder line (8) extends from one end of the second dielectric slab (2) to the middle of the second dielectric slab (2) and completely crosses the gap; the gap is a rectangular gap (6), and the rectangular gap (6) is etched in the middle of the first copper coating layer (7); the microstrip feeder line (8) is rectangular.
4. An ISGW fed slot coupled super surface antenna, as claimed in claim 2, wherein: the microstrip feeder line (8) extends from one end of the second dielectric slab (2) to the middle of the second dielectric slab (2) to a position right below the gap; the microstrip feeder line (8) is rectangular; the gap is a rectangular gap (6), and the rectangular gap (6) is etched in the middle of the first copper clad layer (7).
5. The ISGW feed slot-coupled super-surface antenna recited in claim 4, wherein: the tail end of the microstrip feeder line (8) is T-shaped, a metal strip (24) corresponding to a T-shaped top transverse line is arranged right below the rectangular slot (6), and the width of the metal strip (24) corresponding to the T-shaped top transverse line is smaller than that of the rectangular slot (6).
6. The ISGW feed slot-coupled super-surface antenna recited in claim 4, wherein: the tail end of the microstrip feeder line (8) is fan-shaped or circular, and the fan-shaped or circular tail end is arranged right below the rectangular slot (6).
7. An ISGW feed slot-coupled super-surface antenna as claimed in claim 3, wherein: the rectangular slot (6) is arranged in the middle of the first copper clad layer (7), the rectangular slot (6) is perpendicular to the microstrip feeder line (8), and the microstrip feeder line (8) completely crosses the rectangular slot (6).
8. An ISGW feed slot-coupled super-surface antenna as claimed in any one of claims 2-7, wherein: the antenna radiation structure is a super-surface structure and comprises a first dielectric plate (1), and radiation patches which are arranged periodically are arranged on the upper surface of the first dielectric plate (1).
9. The ISGW-fed slot-coupled super-surface antenna of claim 8, wherein: the radiating patch is a square patch (5), a hexagonal corner cut patch (12) or a circular radiating patch (13), the lower surface of a first dielectric plate (1) of the radiating patch is connected with a first copper clad layer (7), and the microstrip feeder line (8) provides energy for the antenna radiating structure through a rectangular slot (6) in the first copper clad layer (7).
10. The ISGW-fed slot-coupled super-surface antenna of claim 8, wherein: the radiation patch is formed by hollowing out different shapes on a rectangular patch and combining and arranging a plurality of rectangular patches.
11. An ISGW-fed slot-coupled super-surface antenna as claimed in any one of claims 1-7, 9, 10 wherein: a third dielectric plate (3) is arranged between the feed structure and the electromagnetic band gap structure, and the feed structure and the electromagnetic band gap structure are isolated by the third dielectric plate (3); the upper surface of the third dielectric plate (3) is connected with the microstrip feeder line (8).
12. An ISGW fed slot coupled super surface antenna, as claimed in claim 11, wherein: the electromagnetic band gap structure comprises a fourth dielectric plate (4), and a second copper clad layer (11) is arranged on the lower surface of the fourth dielectric plate (4); circular patches (9) which are periodically arranged are printed on the upper surface of the fourth dielectric plate (4), through holes are formed in the fourth dielectric plate (4) between the circular patches (9) and the second copper-clad layer (11), and the axes of the through holes and the circle center of the circular patches (9) are on the same straight line; a metal sheet is arranged on the side wall of the through hole, a metal through hole (10) is formed, and the second copper-clad layer (11) is communicated with the circular patch (9) through the metal through hole (10); the circular patches (9) printed on the upper surface of the fourth dielectric plate (4), the metal through holes (10) arranged periodically and the second copper-clad layer (11) on the lower surface of the fourth dielectric plate (4) together form a mushroom-shaped electromagnetic band gap structure; the electromagnetic band gap structure can prevent the energy transmitted by the first copper cladding layer (7) and the microstrip feed line (8) from leaking.
13. An ISGW fed slot coupled super surface antenna as claimed in claim 9 or 10 wherein: the electromagnetic band gap structure comprises a fourth dielectric plate (4), and a second copper clad layer (11) is arranged on the lower surface of the fourth dielectric plate (4); the fourth dielectric plate (4) is provided with through holes which are arranged periodically, the side wall of each through hole is provided with a metal sheet and a metal through hole (10) is formed, and the metal through hole (10) is connected with the second copper clad layer (11); the lower surface of the microstrip feeder line (8) is connected with the corresponding metal via hole (10); the electromagnetic band gap structure can prevent the energy transmitted by the first copper cladding layer (7) and the microstrip feed line (8) from leaking.
14. The ISGW-fed slot-coupled super-surface antenna of claim 13, wherein: the dielectric plate of the super-surface antenna is made of plastics, fibers and ceramics.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110197947A (en) * | 2019-06-05 | 2019-09-03 | 云南大学 | Integral substrate gap waveguide feed gaps couple super skin antenna |
| CN111864375A (en) * | 2020-07-21 | 2020-10-30 | 河北工业大学 | Compact one-dimensional holographic electromagnetic metasurface antenna |
| CN112615148A (en) * | 2020-12-08 | 2021-04-06 | 南京邮电大学 | Ultra-wideband circularly polarized super-surface antenna based on novel hybrid feed network |
| CN113690593A (en) * | 2021-08-27 | 2021-11-23 | 北京星英联微波科技有限责任公司 | High-gain low-profile circularly polarized antenna |
| CN113708073A (en) * | 2021-08-18 | 2021-11-26 | 西安电子科技大学 | Super surface antenna based on square semi-ring feed |
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- 2019-06-05 CN CN201920845252.2U patent/CN210926317U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110197947A (en) * | 2019-06-05 | 2019-09-03 | 云南大学 | Integral substrate gap waveguide feed gaps couple super skin antenna |
| CN110197947B (en) * | 2019-06-05 | 2024-01-26 | 云南大学 | Integrated substrate gap waveguide feed gap coupling super-surface antenna |
| CN111864375A (en) * | 2020-07-21 | 2020-10-30 | 河北工业大学 | Compact one-dimensional holographic electromagnetic metasurface antenna |
| CN112615148A (en) * | 2020-12-08 | 2021-04-06 | 南京邮电大学 | Ultra-wideband circularly polarized super-surface antenna based on novel hybrid feed network |
| CN112615148B (en) * | 2020-12-08 | 2023-06-20 | 南京邮电大学 | Ultra-wideband circularly polarized super-surface antenna based on novel hybrid feed network |
| CN113708073A (en) * | 2021-08-18 | 2021-11-26 | 西安电子科技大学 | Super surface antenna based on square semi-ring feed |
| CN113690593A (en) * | 2021-08-27 | 2021-11-23 | 北京星英联微波科技有限责任公司 | High-gain low-profile circularly polarized antenna |
| CN113690593B (en) * | 2021-08-27 | 2022-04-01 | 北京星英联微波科技有限责任公司 | High-gain low-profile circularly polarized antenna |
| US12113286B2 (en) | 2021-08-27 | 2024-10-08 | Nan Hu | High-gain low-profile circularly polarized antenna |
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