CN112290227A - Dual-frequency dual-circularly-polarized antenna array - Google Patents
Dual-frequency dual-circularly-polarized antenna array Download PDFInfo
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- CN112290227A CN112290227A CN202011179503.1A CN202011179503A CN112290227A CN 112290227 A CN112290227 A CN 112290227A CN 202011179503 A CN202011179503 A CN 202011179503A CN 112290227 A CN112290227 A CN 112290227A
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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
- H01Q15/24—Polarising devices; Polarisation filters
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
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Abstract
The invention discloses a dual-frequency dual-circularly polarized antenna array, which comprises: the planar antenna unit comprises a plurality of right-hand circularly polarized microstrip patch antennas and a left-hand circularly polarized magnetic dipole antenna positioned at the centers of the plurality of right-hand circularly polarized microstrip patch antennas; the right-hand circularly polarized microstrip patch antenna comprises a first dielectric plate, a second dielectric plate, a third dielectric plate and a fourth dielectric plate, wherein the first dielectric plate, the second dielectric plate, the third dielectric plate and the fourth dielectric plate are sequentially arranged in the vertical direction; the first dielectric plate, the second dielectric plate and the third dielectric plate form an antenna radiation layer, and the fourth dielectric plate is an antenna feed layer. According to the invention, double-frequency double-circular polarization radiation is realized, and two working frequencies can be respectively and independently selected and designed, and the double-circular polarization radiation device has the advantages of low profile, compact structure and easiness in processing.
Description
Technical Field
The invention relates to the technical field of antennas, in particular to a dual-frequency dual-circularly polarized antenna array.
Background
With the development of modern wireless communication technology, people put higher and higher requirements on wireless communication systems, and antennas as indispensable components in the wireless communication systems have a crucial influence on the overall performance of the whole wireless communication system. Compared to linearly polarized antennas, circularly polarized antennas have their own advantages: firstly, the circularly polarized antenna does not need polarization alignment of a transmitting antenna and a receiving antenna, so that loss caused by polarization mismatch can be effectively avoided, and the antenna can be more flexibly arranged in the actual use process; secondly, the circularly polarized wave radiated by the circularly polarized antenna can reduce the influence of Faraday effect when the electromagnetic wave passes through an ionized layer, and is particularly suitable for a satellite communication system; finally, the circularly polarized antenna can effectively reduce the influence of multipath effect on the performance of a communication system in a mobile communication system, particularly in a complex space environment.
For a satellite communication system, a transmitting and receiving system works in two different frequency bands and circular polarization states respectively, so that a dual-frequency dual-circular polarization antenna is required.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a dual-frequency dual-circularly polarized antenna array, which realizes dual-frequency dual-circularly polarized radiation, has two working frequencies which can be independently selected and designed, and has the advantages of low profile, compact structure and easiness in processing. To achieve the above objects and other advantages in accordance with the present invention, there is provided a dual-band dual circularly polarized antenna array, comprising:
the planar antenna unit comprises a plurality of right-hand circularly polarized microstrip patch antennas and a left-hand circularly polarized magnetic dipole antenna positioned at the centers of the plurality of right-hand circularly polarized microstrip patch antennas;
the right-hand circularly polarized microstrip patch antenna package comprises a first dielectric plate, a second dielectric plate, a third dielectric plate and a fourth dielectric plate, wherein the first dielectric plate, the second dielectric plate, the third dielectric plate and the fourth dielectric plate are sequentially arranged in the vertical direction;
the first dielectric plate, the second dielectric plate and the third dielectric plate form an antenna radiation layer, and the fourth dielectric plate is an antenna feed layer.
Preferably, a first circular radiation patch, a second circular radiation patch and a third circular radiation patch are respectively attached to the first dielectric plate, the second dielectric plate and the third dielectric plate, metal frames are respectively arranged on the first dielectric plate, the second dielectric plate and the third dielectric plate, and every two right-hand circular polarization microstrip patch antennas are connected through a metal block.
Preferably, the upper surface of the fourth dielectric plate is attached with an antenna floor, and a first coupling slit and a second coupling slit which are etched on the antenna floor, the first coupling slit adopts a C-shaped structure, the second coupling slit adopts an H-shaped structure, and the first coupling slit and the second coupling slit are arranged at intervals.
Preferably, the first microstrip feed line and the second microstrip feed line are arranged on the lower surface of the fourth dielectric slab, the first microstrip feed line is arranged below the first coupling slit, and the second microstrip feed line is arranged below the second coupling slit.
Preferably, the first microstrip feed line is provided with a first antenna feed port, the second microstrip feed line is provided with a second antenna feed port, the first antenna feed port and the second antenna feed port feed at equal amplitude, and the feed phase of the second antenna feed port is 90 ° ahead of the feed phase of the first antenna feed port.
Preferably, the left-hand circularly polarized magnetic dipole antenna is located at the center of the 4 right-hand circularly polarized microstrip patch antennas, and comprises a cross-shaped radiation slot formed by the side walls of the adjacent metal frames and the metal blocks, a third microstrip feed line and a fourth microstrip feed line arranged on the lower surface of the fourth dielectric plate, and a third coupling slot and a fourth coupling slot etched on the antenna base plate.
Preferably, the third coupling slot and the fourth coupling slot are both disposed at the position of the cross-shaped radiation slot, a third coupling slot is disposed on each of two sides of the fourth coupling slot, the third microstrip feed line is provided with a third antenna feed port, and the fourth microstrip feed line is provided with a fourth antenna feed port.
Preferably, the fourth microstrip feeder line has a power division and parallel feed structure, the third antenna feed port and the fourth antenna feed port feed at equal amplitude, and the feed phase of the fourth antenna feed port is 90 ° ahead of the feed phase of the third antenna feed port.
Preferably, the right-hand circularly polarized microstrip patch antenna and the left-hand circularly polarized magnetic dipole antenna are transversely staggered with each other and are expanded along the transverse direction to form an antenna array.
Preferably, the first antenna feed port and the second antenna feed port feed power respectively, and the second antenna feed port feed phase is equal to the first antenna feed port feed phase, the third antenna feed port and the fourth antenna feed port feed power respectively, and the fourth antenna feed port feed phase is equal to the third antenna feed port feed phase.
Compared with the prior art, the invention has the beneficial effects that:
1. the antenna is provided with two independent polarization ports, the two polarization ports work in different frequency band ranges, and the antenna has double-frequency and double-circular polarization radiation capability.
2. The magnetic dipole antenna unit directly utilizes the isolation back cavity around the laminated microstrip radiation patch antenna to form a radiator, thereby realizing the multiplexing of antenna part structure bodies and leading the antenna array structure to be simpler and more compact.
3. The microstrip patch antenna adopts a structure of combining the C-shaped coupling slot and the H-shaped coupling slot, so that the cross polarization of the antenna is reduced, and the axial ratio performance is improved.
4. The coupling slots of the magnetic dipole antenna are arranged separately from each other, so that the cross polarization of the antenna is reduced, and the axial ratio performance is improved.
5. The two polarization units of the double circularly polarized antenna are arranged in a common-caliber staggered manner, so that the structure is more compact, and the size of the array surface is effectively reduced.
6. The working frequencies of the two polarization units of the dual circularly polarized antenna can be independently selected and designed respectively so as to meet the requirements of different frequency ratios.
7. The antenna has a wide impedance bandwidth, and the impedance bandwidth of the left-hand circularly polarized port and the impedance bandwidth of the right-hand circularly polarized port of the antenna reach 17% and 5.6% respectively.
8. The antenna array is of a flat plate structure, has small volume and low section, and is convenient to integrate with other communication equipment.
Drawings
Fig. 1 is a schematic three-dimensional structure of a dual-band dual circularly polarized antenna array according to the present invention;
fig. 2 is an exploded schematic diagram of a three-dimensional structure of a dual-band dual circularly polarized antenna array according to the present invention;
fig. 3 is a schematic three-dimensional structure diagram of an antenna feed layer of a dual-band dual-circularly polarized antenna array according to the present invention.
In the figure: 10. a planar antenna unit; 20. a first circular radiating patch; 30. a second circular radiating patch; 40. a third circular radiating patch; 60. an antenna floor; 70. a metal block; 11. a right-hand circularly polarized microstrip patch antenna; 12. a left-handed circularly polarized magnetic dipole antenna; 111. a first dielectric plate; 112. a second dielectric plate; 113. a third dielectric plate; 114. a fourth dielectric plate; 121. a cross-shaped radiation slot; 61. a first coupling slit; 62. a second coupling slit; 63. a first microstrip feed line; 64. a second microstrip feed line; 631. a first antenna feed port; 641. a second antenna feed port; 65. a third microstrip feed line; 66. a fourth microstrip feed line; 651. third antenna feed port; 661. a fourth antenna feed port; 67. a third coupling gap; 68. a fourth coupling slot.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
For the purpose of illustrating the structure and the operation performance of the antenna of the present invention, an example is described herein in which the two operating frequency bands of the antenna are respectively 10.7GHz to 12.7GHz and 13.7GHz to 14.5GHz, and the circular polarization handedness is respectively right-hand circular polarization and left-hand circular polarization in the two operating frequency bands, which do not restrict the operating frequency coverage and the polarization mode claimed by the antenna of the present invention. The right-hand circular polarization working frequency band of the antenna is 10.7 GHz-12.7 GHz, the peak gain of the antenna unit is larger than 4dB in the frequency range, and the axial ratio of the antenna in the broadside direction is smaller than 3 dB. The left-hand circular polarization working frequency band of the antenna is 13.7 GHz-14.5 GHz, the peak gain of the antenna unit is larger than 4dB in the frequency range, and the axial ratio of the antenna in the edge radiation direction is smaller than 2 dB. Each antenna unit in the antenna array is provided with an independent feed port and respectively corresponds to two polarization states of right-hand circular polarization and left-hand circular polarization. The antenna array has compact structure, and the distance between adjacent array elements is only 0.46 lambda0(λ0The wavelength of the electromagnetic wave in vacuum at the lowest operating frequency of 10.7 GHz). The antenna array is of a flat plate structure and has a thickness of only 0.15 lambda0。
Referring to fig. a dual-band dual circularly polarized antenna array, comprising: the planar antenna comprises a planar antenna unit 10, wherein the planar antenna unit 10 comprises a plurality of right-hand circularly polarized microstrip patch antennas 11 and a left-hand circularly polarized magnetic dipole antenna 12 positioned at the centers of the plurality of right-hand circularly polarized microstrip patch antennas 11;
the right-hand circularly polarized microstrip patch antenna 11 comprises a first dielectric plate 111, a second dielectric plate 112, a third dielectric plate 113 and a fourth dielectric plate 114, wherein the first dielectric plate 111, the second dielectric plate 112, the third dielectric plate 113 and the fourth dielectric plate 114 are sequentially arranged in the vertical direction;
the first dielectric plate 111, the second dielectric plate 112, and the third dielectric plate 113 constitute an antenna radiation layer, and the fourth dielectric plate 114 is an antenna feed layer.
Further, a first circular radiation patch 20, a second circular radiation patch 30 and a third circular radiation patch 40 are respectively attached to the first dielectric plate 111, the second dielectric plate 112 and the third dielectric plate 113, metal frames 50 are respectively arranged on the first dielectric plate 111, the second dielectric plate 112 and the third dielectric plate 113, every two right-hand circular polarization microstrip patch antennas 11 are connected through a metal block 70, and the metal block 70 is used for adjusting the length of the cross-shaped radiation slot 121 to control the working frequency of the left-hand circular polarization magnetic dipole antenna 12.
Further, an antenna floor 60 and a first coupling slit 61 and a second coupling slit 62 etched on the antenna base plate 60 are attached to the upper surface of the fourth dielectric plate 114, the first coupling slit 61 is in a "C" shape, the second coupling slit 62 is in an "H" shape, and the first coupling slit 61 and the second coupling slit 62 are arranged at intervals. The first coupling slit 61 is in a C-shaped structure, and the second coupling slit 62 is in an H-shaped structure, so that cross polarization of the antenna can be reduced, and axial ratio performance of the antenna can be improved.
Further, a first microstrip feed line 63 and a second microstrip feed line 64 are disposed on the lower surface of the fourth dielectric board 114, the first microstrip feed line 63 is disposed below the first coupling slit 61, and the second microstrip feed line 64 is disposed below the second coupling slit 62.
Further, the first microstrip feed line 63 is provided with a first antenna feed port 631, the second microstrip feed line 64 is provided with a second antenna feed port 641, the first antenna feed port 631 and the second antenna feed port 641 are used for connecting an external circuit to obtain a required feed amplitude phase distribution, the first antenna feed port 631 and the second antenna feed port 641 perform feeding at equal amplitude, and the feed phase of the second antenna feed port 641 is 90 ° ahead of the feed phase of the first antenna feed port 631.
Further, the left-hand circular polarization magnetic dipole antenna 12 is located at the center of the 4 right-hand circular polarization microstrip patch antennas 11, and includes a cross-shaped radiation slot 121, a third microstrip feed line 65 and a fourth microstrip feed line 66 disposed on the lower surface of the fourth dielectric plate 114, and a third coupling slot 67 and a fourth coupling slot 68 etched on the antenna floor 60. The cross-shaped radiation slot 121 is formed by the side wall of a cavity-backed structure formed by the metal frame 50 and the antenna floor 60 and the metal block 70, and the cavity-backed structure can reduce the coupling influence between adjacent array elements on one hand and can be used as the side wall of the cross-shaped radiation slot 121 in the left-handed circularly polarized magnetic dipole antenna 12 on the other hand, so that the multiplexing of an antenna structure body is realized.
Further, the third coupling slot 67 and the fourth coupling slot 68 are both disposed at the position of the cross-shaped radiation slot 121, two sides of the fourth coupling slot 68 are respectively provided with a third coupling slot 67, the third microstrip feed line 65 is provided with a third antenna feed port 651, the fourth microstrip feed line 66 is provided with a fourth antenna feed port 661, the third antenna feed port 651 and the fourth antenna feed port 661 are used for connecting an external circuit to obtain a required feed amplitude phase distribution, and input impedances of the third antenna feed port 651, the fourth antenna feed port 661, the first antenna feed port 631, and the second antenna feed port 641 are all 50 ohms.
Further, the fourth microstrip feed line 66 adopts a parallel feed power division structure, the third antenna feed port 651 and the fourth antenna feed port 661 feed at equal amplitude, and the feed phase of the fourth antenna feed port 661 is 90 ° ahead of the feed phase of the third antenna feed port 651.
Furthermore, the first antenna feeding port 631 and the second antenna feeding port 641 perform feeding respectively, the feeding phase of the second antenna feeding port 641 is equal to the feeding phase of the first antenna feeding port 631, the third antenna feeding port 651 and the fourth antenna feeding port 661 perform feeding respectively, the feeding phase of the fourth antenna feeding port 661 is equal to the feeding phase of the third antenna feeding port 651, and when the feeding phase of the second antenna feeding port 641 is equal to the feeding phase of the first antenna feeding port 631 and the feeding phase of the fourth antenna feeding port 661 is equal to the feeding phase of the third antenna feeding port 651, dual-frequency dual-linear polarization can be achieved.
The right-hand circularly polarized microstrip patch antenna 11 and the left-hand circularly polarized magnetic dipole antenna 12 are transversely staggered with each other,forming an antenna array with a flat plate structure and a thickness of 0.15 lambda0The dual-frequency dual-circularly polarized antenna array is characterized in that the cross-shaped radiation slot 121 of the left-hand circularly polarized magnetic dipole antenna 12 is directly formed by the side wall of the back cavity in the adjacent right-hand circularly polarized microstrip patch antenna 1, so that the common caliber is realized, and the utilization efficiency of the caliber of the antenna is improved. The above-mentioned circularly polarized rotation direction is only the rotation direction used in the present embodiment, and does not restrict the claims of the antenna of the present invention. In addition, the working frequencies of the two polarizations of the dual circularly polarized antenna array can be independently selected and designed. The array element spacing of the antenna array is only 0.46 lambda0And has a wide scan angle as a phased array unit. The antenna unit and the antenna array can be designed in microwave, millimeter wave, terahertz and other frequency bands according to actual needs.
The number of devices and the scale of the processes described herein are intended to simplify the description of the invention, and applications, modifications and variations of the invention will be apparent to those skilled in the art.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. A dual-band dual circularly polarized antenna array, comprising:
the antenna comprises a panel antenna unit (10), wherein the panel antenna unit (10) comprises a plurality of right-hand circularly polarized microstrip patch antennas (11) and a left-hand circularly polarized magnetic dipole antenna (12) positioned at the centers of the plurality of right-hand circularly polarized microstrip patch antennas (11);
the right-hand circularly polarized microstrip patch antenna (11) comprises a first dielectric plate (111), a second dielectric plate (112) and a fourth dielectric plate (114), wherein the first dielectric plate (111), the second dielectric plate (112) and the third dielectric plate (113) are sequentially arranged in the vertical direction;
the first dielectric plate (111), the second dielectric plate (112) and the third dielectric plate (113) form an antenna radiation layer, and the fourth dielectric plate (114) is an antenna feed layer.
2. The dual-band dual-circular polarized antenna array of claim 1, wherein a first circular radiation patch (20), a second circular radiation patch (30) and a third circular radiation patch (40) are respectively attached to the first dielectric plate (111), the second dielectric plate (112) and the third dielectric plate (113) are respectively provided with a metal frame (50), and every two right-hand circular polarized microstrip patch antennas (11) are connected through a metal block (70).
3. The dual-band dual-circularly polarized antenna array of claim 1, wherein an antenna floor (60) is attached above the fourth dielectric plate (114), a first coupling slit (61) and a second coupling slit (62) are etched on the antenna floor (60), the first coupling slit (61) is in a "C" shape, the second coupling slit (62) is in an "H" shape, and the first coupling slit (61) and the second coupling slit (62) are arranged at intervals.
4. A dual-band dual-circular polarized antenna array according to claim 1, wherein the lower surface of the fourth dielectric plate (114) is further provided with a first microstrip feed line (63) and a second microstrip feed line (64), the first microstrip feed line (63) is disposed below the first coupling slit (61), and the second microstrip feed line (64) is disposed below the second coupling slit (62).
5. A dual-band dual-circularly polarized antenna array according to claim 4, wherein said first microstrip feed line (63) is provided with a first antenna feed port (631), said second microstrip feed line (64) is provided with a second antenna feed port (641), said first antenna feed port (631) and said second antenna feed port (641) are fed with equal amplitude, and the feeding phase of said second antenna feed port (641) is 90 ° ahead of the feeding phase of said first antenna feed port (631).
6. The dual-band dual-circularly polarized antenna array of claim 1, wherein the left-hand circularly polarized magnetic dipole antenna (12) is located at the center of the 4 right-hand circularly polarized microstrip patch antennas (11), and comprises a cross-shaped radiation slot (121) formed by the side walls of the adjacent metal frames (50) and the metal blocks (70), a third microstrip feed line (65) and a fourth microstrip feed line (66) arranged on the lower surface of the fourth dielectric plate (114), and a third coupling slot (67) and a fourth coupling slot (68) etched on the antenna floor (60), wherein the third microstrip feed line (65) is arranged below the third coupling slot (67), and the fourth microstrip feed line (66) is arranged below the fourth coupling slot (68).
7. A dual-band dual-circularly polarized antenna array according to claim 6, wherein said third coupling slot (67) and said fourth coupling slot (68) are both disposed at the position of the cross-shaped radiation slot (121), and a third coupling slot (67) is disposed on each side of said fourth coupling slot (68), said third microstrip feed line (65) is disposed with a third antenna feed port (651), and said fourth microstrip feed line (66) is disposed with a fourth antenna feed port (661).
8. A dual-band dual-circularly polarized antenna array as claimed in claim 7, wherein said fourth microstrip feed line (66) adopts a power-dividing parallel feed structure, said third antenna feed port (651) and said fourth antenna feed port (661) are fed with equal amplitude, and the feeding phase of said fourth antenna feed port (661) is 90 ° ahead of the feeding phase of said third antenna feed port (651).
9. A dual-band dual-circularly polarized antenna array according to claim 1, wherein said right-hand circularly polarized microstrip patch antenna (11) and said left-hand circularly polarized magnetic dipole antenna (12) are laterally staggered with respect to each other and extend in the lateral direction to form an antenna array.
10. A dual-band dual circularly polarized antenna array according to any of claims 5 or 8, wherein said first antenna feed port (631) and said second antenna feed port (641) are fed separately, and wherein the second antenna feed port (641) is fed with a phase equal to the first antenna feed port (631) and wherein said third antenna feed port (651) is fed separately from said fourth antenna feed port (661), and wherein the fourth antenna feed port (661) is fed with a phase equal to the third antenna feed port (651).
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112993557A (en) * | 2021-02-04 | 2021-06-18 | 上海大学 | Common-caliber low-profile dual-frequency dual-circularly-polarized antenna structure |
| CN113097718A (en) * | 2021-03-04 | 2021-07-09 | 西安交通大学 | Dual-frequency dual-circular-polarization common-caliber antenna for satellite communication |
| CN113193386A (en) * | 2021-04-29 | 2021-07-30 | 中国电子科技集团公司第三十八研究所 | High-gain dual-band circularly polarized duplex antenna unit |
| CN113823898A (en) * | 2021-07-22 | 2021-12-21 | 北京遥测技术研究所 | P/L/S three-frequency-band left-right-hand circularly polarized antenna array surface |
| CN114696101A (en) * | 2022-04-24 | 2022-07-01 | 上海航天测控通信研究所 | Dual-frequency dual-circular-polarization common-caliber microstrip phased-array antenna |
| TWI790772B (en) * | 2021-10-08 | 2023-01-21 | 台灣禾邦電子有限公司 | Electronic device and dual-band patch array antenna module |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7436363B1 (en) * | 2007-09-28 | 2008-10-14 | Aeroantenna Technology, Inc. | Stacked microstrip patches |
| US20090140927A1 (en) * | 2007-11-30 | 2009-06-04 | Hiroyuki Maeda | Microstrip antenna |
| CN102842756A (en) * | 2012-09-24 | 2012-12-26 | 桂林电子科技大学 | Dual-polarization MIMO (Multiple Input Multiple Output) antenna array |
| CN102891360A (en) * | 2012-09-29 | 2013-01-23 | 航天恒星科技有限公司 | Broadband miniaturization double-rotating circularly polarized antenna |
| CN103094678A (en) * | 2012-12-31 | 2013-05-08 | 西安电子科技大学 | Active wide band miniaturized navigation antenna |
| CN103606745A (en) * | 2013-11-06 | 2014-02-26 | 航天恒星科技有限公司 | Low section compact dual-band dual-polarization common aperture microstrip antenna |
| CN104993245A (en) * | 2015-06-25 | 2015-10-21 | 常州吉赫射频电子技术有限公司 | S-waveband communication-in-motion double-frequency circularly polarized micro-strip antenna and array thereof |
| CN105846057A (en) * | 2016-04-07 | 2016-08-10 | 中国科学院国家空间科学中心 | GNSS atmosphere spaceborne occultation antenna designed in mode of spaceborne bias beams |
| CN109037971A (en) * | 2017-06-09 | 2018-12-18 | 南京理工大学 | Wide axial ratio bandwidth dual-band dual-circular polarization micro-strip array antenna |
| CN109301444A (en) * | 2018-12-06 | 2019-02-01 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Double-fed dual-band dual-circular polarization micro-strip paster antenna |
| CN111628286A (en) * | 2020-07-06 | 2020-09-04 | 西安电子科技大学 | Dual-frequency dual-circularly polarized antenna |
-
2020
- 2020-10-29 CN CN202011179503.1A patent/CN112290227B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7436363B1 (en) * | 2007-09-28 | 2008-10-14 | Aeroantenna Technology, Inc. | Stacked microstrip patches |
| US20090140927A1 (en) * | 2007-11-30 | 2009-06-04 | Hiroyuki Maeda | Microstrip antenna |
| CN102842756A (en) * | 2012-09-24 | 2012-12-26 | 桂林电子科技大学 | Dual-polarization MIMO (Multiple Input Multiple Output) antenna array |
| CN102891360A (en) * | 2012-09-29 | 2013-01-23 | 航天恒星科技有限公司 | Broadband miniaturization double-rotating circularly polarized antenna |
| CN103094678A (en) * | 2012-12-31 | 2013-05-08 | 西安电子科技大学 | Active wide band miniaturized navigation antenna |
| CN103606745A (en) * | 2013-11-06 | 2014-02-26 | 航天恒星科技有限公司 | Low section compact dual-band dual-polarization common aperture microstrip antenna |
| CN104993245A (en) * | 2015-06-25 | 2015-10-21 | 常州吉赫射频电子技术有限公司 | S-waveband communication-in-motion double-frequency circularly polarized micro-strip antenna and array thereof |
| CN105846057A (en) * | 2016-04-07 | 2016-08-10 | 中国科学院国家空间科学中心 | GNSS atmosphere spaceborne occultation antenna designed in mode of spaceborne bias beams |
| CN109037971A (en) * | 2017-06-09 | 2018-12-18 | 南京理工大学 | Wide axial ratio bandwidth dual-band dual-circular polarization micro-strip array antenna |
| CN109301444A (en) * | 2018-12-06 | 2019-02-01 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Double-fed dual-band dual-circular polarization micro-strip paster antenna |
| CN111628286A (en) * | 2020-07-06 | 2020-09-04 | 西安电子科技大学 | Dual-frequency dual-circularly polarized antenna |
Non-Patent Citations (3)
| Title |
|---|
| A. B. SMOLDERS; R. M. C. MESTROM: "《A Shared Aperture Dual-Frequency Circularly Polarized Microstrip Array Antenna》", 《IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS ( VOLUME: 12)》 * |
| QINGLING YANG: "《Millimeter-Wave Dual-Polarized Differentially Fed 2-D Multibeam Patch Antenna Array》", 《IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION》 * |
| 杜哲，杨雪霞，龚波，王业清: "《一种双频左/右旋圆极化可重构环形缝隙微带天线》", 《电子元件与材料》 * |
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| CN113097718A (en) * | 2021-03-04 | 2021-07-09 | 西安交通大学 | Dual-frequency dual-circular-polarization common-caliber antenna for satellite communication |
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