CN116053790B - Broadband low-profile flat plate slotted antenna - Google Patents
Broadband low-profile flat plate slotted antenna Download PDFInfo
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- CN116053790B CN116053790B CN202310135876.6A CN202310135876A CN116053790B CN 116053790 B CN116053790 B CN 116053790B CN 202310135876 A CN202310135876 A CN 202310135876A CN 116053790 B CN116053790 B CN 116053790B
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- 230000005855 radiation Effects 0.000 claims abstract description 37
- 239000002184 metal Substances 0.000 claims abstract description 29
- 239000004677 Nylon Substances 0.000 claims description 14
- 229920001778 nylon Polymers 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/002—Protection against seismic waves, thermal radiation or other disturbances, e.g. nuclear explosion; Arrangements for improving the power handling capability of an antenna
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Waveguide Aerials (AREA)
Abstract
The invention discloses a broadband low-profile flat panel slot antenna, which relates to the field of wireless communication and comprises the following components: the antenna unit is provided with two opposite hollow structures with the same structure, the hollow structures are provided with an even number of symmetrical strip fins, the size of the hollow structures is adjusted to coordinate the low-frequency radiation gain and the low-frequency radiation impedance in the bandwidth, and the size of the strip fins is adjusted to coordinate the high-frequency radiation gain and the high-frequency radiation impedance in the bandwidth; the antenna unit is also provided with a slot, and the size of the slot is adjusted to resonate the radiation bandwidth and the radiation impedance, so that the antenna gain is improved and the bandwidth of the antenna is expanded; in addition, an air medium layer is formed between the antenna unit and the metal reflecting plate, a conductive coating plate is not required to be coated with a medium, and the requirement of high-power input is met.
Description
Technical Field
The invention relates to the field of wireless communication, in particular to a broadband low-profile flat slot antenna.
Background
CN201921429436.7, the low-profile antenna is formed by superposing three layers of dielectric coated conductive coating plates, and comprises a parasitic unit, a patch unit and a microstrip circuit of a power divider; sequentially placing and pressing without gaps from top to bottom; the upper end face of the first dielectric layer is provided with a parasitic unit; the upper end face of the second dielectric layer is provided with a patch unit, and the lower end face of the second dielectric layer is provided with a ground plane; a power divider microstrip circuit is arranged on the lower end surface of the third dielectric layer; the microstrip circuit of the power divider and the patch unit share a ground plane; the grounding channel penetrates through the second dielectric layer and is communicated with the patch unit and the grounding surface; the antenna further comprises a feed channel penetrating through the second dielectric layer and the third dielectric layer and communicated with the patch unit and the microstrip circuit of the power divider, and the technology meets the technical requirements of low-profile antennas. CN200610106436.4, the antenna adopts a bow-tie notch, a cone shape, or a horizontal 8 shape formed on a rectangular conductor plate, an auxiliary antenna element extending along the bow-tie notch is formed on one side of two vertex angles at the center of the shape, a power supply part is formed at the vertex angle part of the auxiliary antenna element side, and a grounding part is formed at the other vertex angle part.
CN201921429436.7 meets the requirements of engineering application scenes on low-profile antennas, and because the technology adopts a dielectric coated conductive plate, the product cost is high, the requirement of high-power input cannot be met, and the impedance bandwidth is only 7.73%. CN200610106436.4, although low in profile, with impedance bandwidth up to 50%, is easy to process and low in cost, has extremely low radiation gain, and the maximum gain is only-1 dB within 50% of the impedance bandwidth, thus greatly reducing the application range of the product in the scene.
It can be seen that the above two patents, although meeting the requirements of engineering scenes for low profile antennas, do not meet high power input or the antenna radiation gain is very low.
Disclosure of Invention
The invention aims to provide a broadband low-profile flat slot antenna, which solves the problems that high-power input cannot be met or the radiation gain of the antenna is extremely low.
In order to achieve the above object, the present invention provides the following solutions:
a wideband low profile planar slot antenna comprising: an antenna unit, a coaxial cable, a feed structure, and a metal reflecting plate;
the antenna unit is provided with two hollow structures which are opposite and have the same structure; the hollow structure is symmetrically arranged by the broadside vertical center line of the antenna unit; an even number of symmetrical strip-shaped fins are arranged on the hollow structure, and the strip-shaped fins extend into the hollow of the hollow structure; the size of the hollowed-out structure is adjusted to coordinate low-frequency radiation gain and low-frequency radiation impedance in the bandwidth, and the size of the strip fin is adjusted to coordinate high-frequency radiation gain and high-frequency radiation impedance in the bandwidth;
a slot is formed in the horizontal center line of the long side of the antenna unit; the width of the slot gap is equal to the distance between the two strip-shaped fins in the same hollow structure, and the slot gap extends into the hollow of the hollow structure; adjusting the size of the slot gap to resonate the radiation bandwidth and the radiation impedance; the wide-side vertical midline is perpendicular to the long-side horizontal midline, and the intersection point of the wide-side vertical midline and the long-side horizontal midline is the center position of the antenna unit;
the coaxial cable is arranged between the antenna unit and the metal reflecting plate; the broadside vertical center line is provided with a groove and a first round hole; one end of the feed structure is arranged in the groove, the other end of the feed structure is arranged in the first round hole, and the feed structure spans across the slot; the groove is used for welding an outer conductor of the coaxial cable, the first round hole is used for welding a core wire of the coaxial cable, and the feed structure is communicated with the coaxial cable through the groove and the first round hole;
an air medium layer is formed between the antenna unit and the metal reflecting plate.
Optionally, the antenna unit is a metal plate with the length of 0.69 lambda, the width of 0.37 lambda and the thickness of 1 mm; where λ is the antenna wavelength.
Optionally, the slot has a length of 0.37 λ and a width of 0.016 λ.
Optionally, the hollow structure is isosceles trapezoid, round, triangle or polygon.
Optionally, when the hollowed-out structure is an isosceles trapezoid, the length of the upper bottom edge of the isosceles trapezoid is 0.074λ, the length of the lower bottom edge of the isosceles trapezoid is 0.16λ, and the height of the trapezoid is 0.186 λ.
Optionally, the length of the strip-shaped fin is 0.106 lambda, and the width is 0.016lambda.
Optionally, the length of the metal reflecting plate is 0.92 lambda, the width of the metal reflecting plate is 0.92 lambda, and the thickness of the metal reflecting plate is 1.2mm.
Optionally, the length of the coaxial cable is an integer multiple of λ.
Optionally, the method further comprises: a nylon rod;
the nylon rod comprises a plurality of nylon rods, and the nylon rods are fixed between the antenna unit and the metal reflecting plate.
Optionally, the shape of the end of the strip fin is changed according to the frequency impedance characteristic.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects: the invention provides a broadband low-profile flat panel slot antenna, wherein two opposite hollow structures with the same structure are arranged on an antenna unit, an even number of symmetrical strip-shaped fins are arranged on the hollow structures, the size of the hollow structures is adjusted to coordinate low-frequency-band radiation gain and low-frequency-band radiation impedance in a bandwidth, and the size of the strip-shaped fins is adjusted to coordinate high-frequency-band radiation gain and high-frequency-band radiation impedance in the bandwidth; the antenna unit is also provided with a slot, and the size of the slot is adjusted to resonate the radiation bandwidth and the radiation impedance, so that the antenna gain is improved and the bandwidth of the antenna is expanded; in addition, an air medium layer is formed between the antenna unit and the metal reflecting plate, a conductive coating plate is not required to be coated with a medium, and the requirement of high-power input is met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a front view of an antenna unit according to the present invention;
FIG. 2 is a side view of a wideband low-profile flat panel slot antenna provided by the present invention;
fig. 3 is a diagram of a feeding structure of an antenna unit according to the present invention;
FIG. 4 is a graph of standing wave impedance of an antenna according to the present invention;
FIG. 5 is a graph of the radiation gain of an antenna according to the present invention;
fig. 6 is a graph of 3dB beamwidth for an antenna according to the present invention;
fig. 7 is a schematic diagram of the complementation of the slot antenna and the dipoles; fig. 7a is a schematic diagram of a slot antenna, and fig. 7b is a schematic diagram of complementary dipoles.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a broadband low-profile flat slot antenna, which improves the antenna gain, expands the bandwidth of the antenna and meets the requirement of high-power input.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Fig. 1 is a front view of an antenna unit provided by the present invention, fig. 2 is a side view of a wideband low-profile flat panel slot antenna provided by the present invention, and fig. 3 is a feeding structure diagram of an antenna unit provided by the present invention, as shown in fig. 1-3, a wideband low-profile flat panel slot antenna, comprising: an antenna unit 1, a coaxial cable 2, a feed structure 3, and a metal reflecting plate 4; the antenna unit 1 is provided with two hollow structures 5 which are opposite and have the same structure; the hollow structure 5 is symmetrically arranged by a broadside vertical center line of the antenna unit 1; an even number of symmetrical strip-shaped fins 7 are arranged on the hollow structure 5, and the strip-shaped fins 7 extend into the hollow of the hollow structure 5; the size of the hollowed-out structure 5 is adjusted to coordinate low-frequency radiation gain and low-frequency radiation impedance in the bandwidth, and the size of the strip fin 7 is adjusted to coordinate high-frequency radiation gain and high-frequency radiation impedance in the bandwidth; a slot 6 is formed on the horizontal midline (L midline) of the long side of the antenna unit 1; the width of the slot gap 6 is equal to the distance between the two strip-shaped fins 7 in the same hollow structure 5, and the slot gap 6 extends into the hollow of the hollow structure 5; adjusting the size of the slot 6 to resonate the radiation bandwidth and the radiation impedance; the broadside vertical midline (S midline) is perpendicular to the long side horizontal midline, and the intersection point of the broadside vertical midline and the long side horizontal midline is the center position of the antenna unit 1; the coaxial cable 2 is arranged between the antenna unit 1 and the metal reflecting plate 4; a groove 10 and a round hole 11 are formed in the vertical central line of the broadside; one end of the feed structure 3 is arranged in the groove 10, the other end of the feed structure 3 is arranged in the round hole 11, and the feed structure 3 spans across the slot 6; the groove 10 is used for welding an outer conductor of the coaxial cable 2, the round hole 11 is used for welding a core wire of the coaxial cable 2, and the feed structure 3 is communicated with the coaxial cable 2 through the groove 10 and the round hole 11; an air medium layer is formed between the antenna unit 1 and the metal reflecting plate 4, so that the theoretical characteristics of a microstrip antenna in low profile are met. A groove 10 is provided along the broadside vertical center line at a position 4mm away from one side of the center position for welding the outer conductor of the coaxial cable 2, and a circular hole 11 is provided at a position 2mm away from the other side of the center position for welding the core wire of the coaxial cable 2.
In practical application, the antenna unit 1 is a metal plate with the length of 0.69 lambda, the width of 0.37 lambda and the thickness of 1 mm; where λ is the antenna wavelength.
In practical application, the length of the slit 6 is 0.37 lambda and the width is 0.016lambda.
In practical application, the hollow structure 5 is isosceles trapezoid, circular, triangle or polygon.
In practical application, when the hollow structure 5 is an isosceles trapezoid, the length of the upper bottom edge of the isosceles trapezoid is 0.074λ, the length of the lower bottom edge of the isosceles trapezoid is 0.16λ, the height of the trapezoid is 0.186 λ, and the distance between the two isosceles trapezoids is 0.16λ.
In practical application, the length of the strip-shaped fins 7 is 0.106 λ, the width thereof is 0.016 λ, and the spacing between the strip-shaped fins in the same hollow structure 5 is 0.16 λ.
In practical application, the length of the metal reflecting plate 4 is 0.92 lambda, the width is 0.92 lambda, and the thickness is 1.2mm; the metal reflecting plate 4 mirrors the backward radiation energy of the antenna unit 1 to the forward direction, and improves the radiation gain.
In practical applications, the length of the coaxial cable 2 is an integer multiple of λ. The length of the coaxial cable 2 is adjusted according to the practical application, but the integer multiple of λ is satisfied.
In practical application, the method further comprises the following steps: nylon rods 8; the nylon rod 8 comprises a plurality of antenna units 1 and the metal reflecting plate 4, wherein an antenna unit fixing hole 9 is formed in the antenna units 1 and the metal reflecting plate 4, and the nylon rod 8 is fixed between the antenna units 1 and the metal reflecting plate 4 through the antenna unit fixing hole 9; the nylon rod 8 stabilizes the reliability of the overall structure of the antenna.
As shown in fig. 2, the antenna unit 1 is fastened to one end of the nylon rod 8 by using self-tapping screws through four fixing holes, the metal reflecting plate 4 is fastened to the other end of the nylon rod 8 by using self-tapping screws through four fixing holes, and the outer conductor of the coaxial cable 2 is welded or reliably crimped to the reflecting plate.
In practical use, the shape of the end of the strip fin 7 is changed according to the frequency impedance characteristic.
The microstrip antenna has the advantages of low profile and small size, but the equivalent circuit Q value limits the frequency bandwidth, and the widest is about 7%. A common method for reducing the Q value is to use a dielectric substrate with a high thickness and a low dielectric constant and a double-sided metal-coated conductive layer as the material for designing the antenna unit 1, which tends to increase the material cost of the antenna and limit the input of high power.
The invention is designed by adding a metal reflecting plate 4 into a slotted slot 6 of a metal plate based on the microstrip antenna principle without being influenced by the limitation of Q value, material cost and high power input, wherein, fig. 4 is an antenna impedance standing wave curve chart provided by the invention, fig. 5 is an antenna radiation gain curve chart provided by the invention, and fig. 6 is a 3dB wave beam width curve chart provided by the invention, as shown in fig. 4-6.
When the slotted slot 6 is half-wave slot length 2l=λ/2, it can be complementary to a dipole, as shown in fig. 7. Because of the anti-node I of the dipole current dm The tangential magnetic field at is H dm Can obtain electric field component E dθ ：
j represents an imaginary number; w represents the width of the slot 6; η represents efficiency; beta represents a phase shift constant; r represents the radius of the magnetic field; l represents the length of the slot 6; θ represents a vertical angle.
Due to the dual relationship of the electricity and the magnetism, the magnetic field H generated at the slit of the antenna can be obtained sθ The method comprises the following steps:
wherein E is sm Representing the field density.
Fig. 7 is a schematic diagram of the complementation of the slot antenna and the dipoles, fig. 7a is a schematic diagram of the slot antenna, and fig. 7b is a schematic diagram of the complementation of the dipoles, wherein V 0 The slot antenna is the broadband low-profile flat slot antenna provided by the invention, so that the reasonable designed slot pattern is the same as the pattern of the dual electric vibrators, and only the polarization directions of the fields are not exchanged。
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to assist in understanding the methods of the present invention and the core ideas thereof; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (10)
1. A wideband low-profile planar slot antenna, comprising: an antenna unit, a coaxial cable, a feed structure, and a metal reflecting plate;
the antenna unit is provided with two hollow structures which are opposite and have the same structure; the hollow structure is symmetrically arranged by the broadside vertical center line of the antenna unit; an even number of symmetrical strip-shaped fins are arranged on the hollow structure, and the strip-shaped fins extend into the hollow of the hollow structure; the size of the hollowed-out structure is adjustable to coordinate the low-frequency radiation gain and the low-frequency radiation impedance in the bandwidth, and the size of the strip fin is adjustable to coordinate the high-frequency radiation gain and the high-frequency radiation impedance in the bandwidth;
a slot is formed in the horizontal center line of the long side of the antenna unit; the width of the slot gap is equal to the distance between the two strip-shaped fins in the same hollow structure, and the slot gap extends into the hollow of the hollow structure; the dimensions of the slot gap are adjustable to resonate the radiation bandwidth and the radiation impedance; the wide-side vertical midline is perpendicular to the long-side horizontal midline, and the intersection point of the wide-side vertical midline and the long-side horizontal midline is the center position of the antenna unit;
the coaxial cable is arranged between the antenna unit and the metal reflecting plate; the broadside vertical center line is provided with a groove and a first round hole; one end of the feed structure is arranged in the groove, the other end of the feed structure is arranged in the first round hole, and the feed structure spans across the slot; the groove is used for welding an outer conductor of the coaxial cable, the first round hole is used for welding a core wire of the coaxial cable, and the feed structure is communicated with the coaxial cable through the groove and the first round hole;
an air medium layer is formed between the antenna unit and the metal reflecting plate.
2. The wideband low-profile flat panel slot antenna of claim 1, wherein the antenna element is a metal plate having a length of 0.69 λ, a width of 0.37 λ, and a thickness of 1 mm; where λ is the antenna wavelength.
3. The wideband low-profile flat panel slot antenna of claim 2, wherein the slot has a length of 0.37 λ and a width of 0.016 λ.
4. The wideband low-profile flat panel slot antenna of claim 2, wherein the hollowed-out structure is isosceles trapezoid-like, circular, triangular or polygonal.
5. The wideband low profile flat panel slot antenna of claim 4, wherein when the hollowed-out structure is isosceles trapezoid-like, the length of the upper base of the isosceles trapezoid-like is 0.074λ, the length of the lower base is 0.16λ, and the height of the trapezoid-like is 0.186 λ.
6. The wideband low-profile flat panel slot antenna of claim 2, wherein the strip fin has a length of 0.106 λ and a width of 0.016 λ.
7. The wideband low-profile flat panel slot antenna of claim 2, wherein the metal reflector plate has a length of 0.92 λ, a width of 0.92 λ, and a thickness of 1.2mm.
8. The wideband low-profile flat panel slot antenna of claim 2, wherein the length of the coaxial cable is an integer multiple of λ.
9. The wideband low-profile flat panel slot antenna of claim 1, further comprising: a nylon rod;
the nylon rod comprises a plurality of nylon rods, and the nylon rods are fixed between the antenna unit and the metal reflecting plate.
10. The wideband low-profile flat panel slot antenna of claim 1, wherein the shape of the ends of the strip fins is varied according to frequency impedance characteristics.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2023100599854 | 2023-01-16 | ||
| CN202310059985 | 2023-01-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116053790A CN116053790A (en) | 2023-05-02 |
| CN116053790B true CN116053790B (en) | 2023-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310135876.6A Active CN116053790B (en) | 2023-01-16 | 2023-02-20 | Broadband low-profile flat plate slotted antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101572346A (en) * | 2009-05-27 | 2009-11-04 | 广东盛路通信科技股份有限公司 | Integral type bipolar antenna element |
| CN105529530A (en) * | 2016-01-29 | 2016-04-27 | 杭州电子科技大学 | Dual-band low-profile directive antenna |
| CN110311217A (en) * | 2019-06-28 | 2019-10-08 | 华东师范大学 | A kind of high gain slot figuration Log Periodic Array Antenna of coplanar wave guide feedback |
| CN111555025A (en) * | 2020-06-04 | 2020-08-18 | 西安光启尖端技术研究院 | Slot antenna |
| CN111585015A (en) * | 2020-05-13 | 2020-08-25 | 福州大学 | Broadband circularly polarized eight-arm slot helical antenna with microstrip line coupling feed |
| CN113078458A (en) * | 2021-03-03 | 2021-07-06 | 电子科技大学 | Low-profile low-elevation high-gain electromagnetic dipole antenna for satellite communication |
| CN114552210A (en) * | 2022-03-04 | 2022-05-27 | 电子科技大学 | Low-profile millimeter wave filtering antenna |
| CN115458926A (en) * | 2022-08-03 | 2022-12-09 | 宁波大学 | Ultra-wideband circularly polarized antenna with side surface loaded with vertical hollowed parasitic copper plate |
-
2023
- 2023-02-20 CN CN202310135876.6A patent/CN116053790B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101572346A (en) * | 2009-05-27 | 2009-11-04 | 广东盛路通信科技股份有限公司 | Integral type bipolar antenna element |
| CN105529530A (en) * | 2016-01-29 | 2016-04-27 | 杭州电子科技大学 | Dual-band low-profile directive antenna |
| CN110311217A (en) * | 2019-06-28 | 2019-10-08 | 华东师范大学 | A kind of high gain slot figuration Log Periodic Array Antenna of coplanar wave guide feedback |
| CN111585015A (en) * | 2020-05-13 | 2020-08-25 | 福州大学 | Broadband circularly polarized eight-arm slot helical antenna with microstrip line coupling feed |
| CN111555025A (en) * | 2020-06-04 | 2020-08-18 | 西安光启尖端技术研究院 | Slot antenna |
| CN113078458A (en) * | 2021-03-03 | 2021-07-06 | 电子科技大学 | Low-profile low-elevation high-gain electromagnetic dipole antenna for satellite communication |
| CN114552210A (en) * | 2022-03-04 | 2022-05-27 | 电子科技大学 | Low-profile millimeter wave filtering antenna |
| CN115458926A (en) * | 2022-08-03 | 2022-12-09 | 宁波大学 | Ultra-wideband circularly polarized antenna with side surface loaded with vertical hollowed parasitic copper plate |
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| CN116053790A (en) | 2023-05-02 |
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