CN114069253A - A dual-polarized ultra-wideband Yagi antenna - Google Patents
A dual-polarized ultra-wideband Yagi antenna Download PDFInfo
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- CN114069253A CN114069253A CN202111450091.5A CN202111450091A CN114069253A CN 114069253 A CN114069253 A CN 114069253A CN 202111450091 A CN202111450091 A CN 202111450091A CN 114069253 A CN114069253 A CN 114069253A
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- 239000002184 metal Substances 0.000 claims abstract description 43
- 229910052751 metal Inorganic materials 0.000 claims abstract description 43
- 230000005855 radiation Effects 0.000 claims abstract description 38
- 239000004020 conductor Substances 0.000 claims description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 claims 7
- 230000008054 signal transmission Effects 0.000 abstract description 6
- 238000010295 mobile communication Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 8
- 230000005672 electromagnetic field Effects 0.000 description 5
- 238000010615 ring circuit Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 238000005388 cross polarization Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
- H01Q19/28—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 a secondary device in the form of two or more substantially straight conductive elements
- H01Q19/30—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 a secondary device in the form of two or more substantially straight conductive elements the primary active element being centre-fed and substantially straight, e.g. Yagi antenna
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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
-
- 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
-
- 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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- Aerials With Secondary Devices (AREA)
Abstract
The invention discloses a dual-polarized ultra-wideband yagi antenna, which comprises: the device comprises a coaxial cable, a radiation oscillator, a reflecting plate, a metal column and a plurality of directors; the reflecting plate is arranged at the bottom ends of the coaxial cable and the metal column, and the radiation vibrator is arranged on the metal column above the reflecting plate and is also arranged at the top end of the coaxial cable; the plurality of directors are arranged in parallel on the metal column above the radiating vibrator at preset intervals. According to the embodiment of the invention, the size of the reflecting plate is larger than that of the radiating oscillator, when part of electromagnetic waves generated on the radiating oscillator radiate to the reflecting plate, the electromagnetic waves can be reflected to the radiating oscillator through the reflecting plate, so that most of the electromagnetic waves radiate towards the direction of the director, the radiation directivity of the yagi antenna can be improved, the signal transmission speed of the yagi antenna can be improved, and the yagi antenna is suitable for modern mobile communication.
Description
Technical Field
The invention relates to the technical field of communication equipment, in particular to a dual-polarized ultra-wideband yagi antenna.
Background
Yagi antennas are generally end-fire antennas consisting of an active element, a passive reflector and several passive directors arranged in parallel. The yagi antenna has a simple structure, is easy to manufacture, has low cost, has a radiation pattern with strong directivity, and is widely applied to the fields of radar, direction finding, communication and the like. In order to improve the anti-interference capability of a system and reduce the number of antennas, the mobile communication generally adopts a dual-polarization mode to improve diversity gain and adopts a multi-system broadband antenna. The existing yagi antenna is usually a single-polarization narrow-band antenna, so that the signal transmission speed of the existing yagi antenna is low, and the existing yagi antenna is difficult to apply to modern mobile communication.
Disclosure of Invention
The invention provides a dual-polarized ultra-wideband yagi antenna, which aims to solve the technical problems that the existing yagi antenna is low in signal transmission speed and difficult to apply to modern mobile communication.
The embodiment of the invention provides a dual-polarized ultra-wideband yagi antenna, which comprises:
the device comprises a coaxial cable, a radiation oscillator, a reflecting plate, a metal column and a plurality of directors;
the reflecting plate is arranged at the bottom ends of the coaxial cable and the metal column, and the radiation oscillator is arranged on the metal column above the reflecting plate and is also arranged at the top end of the coaxial cable; the plurality of directors are arranged on the metal column above the radiating vibrator in parallel at preset intervals.
Furthermore, a circular ring circuit is arranged on the outer surface of the director, the circumference of an outer ring circuit of the circular ring circuit is larger than the circumference of an inner ring circuit of the circular ring circuit, and the circumferences of circuits with different lengths correspond to resonance points with different frequencies, so that the dual-polarized ultra-wideband yagi antenna has two resonance points with different frequencies.
Further, the distance between the director close to the radiating vibrator and the radiating vibrator is 0.15 lambdaf0The distance between two adjacent directors is 0.2 lambdaf0Wherein λ isf0The wavelength corresponding to the center frequency.
Further, the coaxial cable comprises a first cable wire and a second cable wire which are arranged in parallel, the metal column comprises a first metal column opposite to the first cable wire and a second metal column opposite to the second cable wire, the first cable wire and the first metal column form a first feeding balun, and the second cable wire and the second metal column form a second feeding balun.
Further, the radiating oscillator is provided with four radiating oscillator arms, including: the antenna comprises a first radiating oscillator arm, a second radiating oscillator arm, a third radiating oscillator arm and a fourth radiating oscillator arm, wherein each radiating oscillator arm is provided with a corresponding top layer circuit, and the center of each radiating oscillator is provided with a central circuit;
the outer conductor of the first cable is connected with the first radiation oscillator arm, and the inner conductor of the first cable is connected with the top layer circuit on the first radiation oscillator arm;
and the outer conductor of the second cable is connected with the third radiation oscillator arm, and the outer conductor of the second cable is connected with the third radiation oscillator arm.
Furthermore, the bottom layer of the radiation oscillator is provided with a plurality of bottom layer lines.
Furthermore, the radiation oscillator is a high-frequency dielectric plate with copper coated on both sides, the director is a dielectric plate with copper coated on one side, and the reflecting plate is a metal plate.
According to the embodiment of the invention, the size of the reflecting plate is larger than that of the radiation oscillator, so that when part of electromagnetic waves generated on the radiation oscillator radiate to the reflecting plate, the electromagnetic waves can be reflected to the radiation oscillator through the reflecting plate, and then most of the electromagnetic waves are radiated towards the director, thereby being beneficial to improving the radiation directivity of the yagi antenna and improving the signal transmission speed of the yagi antenna. The circumferences of the circular circuits in the director are unequal, so that the antenna has two resonance points with different frequencies, the working bandwidth of the radiating oscillator is effectively expanded, and the transmission speed of the antenna is further improved.
Drawings
Fig. 1 is a schematic structural diagram of a dual-polarized ultra-wideband yagi antenna provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a coaxial cable and a radiating element provided by an embodiment of the present invention;
fig. 3 is a schematic diagram of a top layer circuit of a radiation oscillator provided by an embodiment of the invention;
fig. 4 is a schematic diagram of a bottom layer circuit of a radiation oscillator provided by an embodiment of the invention;
FIG. 5 is a schematic structural diagram of a director provided by an embodiment of the present invention;
FIG. 6 is a schematic diagram of antenna polarization isolation provided by an embodiment of the present invention;
fig. 7 is a return loss diagram of an antenna according to an embodiment of the present invention.
Wherein the reference numbers in the drawings of the specification are as follows:
1. a coaxial cable; 101. a first cable wire; 102. a second cable line; 2. a radiating oscillator; 201. a first radiating vibrator arm; 202. a second radiating vibrator arm; 203. a third radiating vibrator arm; 204. a fourth radiating vibrator arm; 210. a central line; 220. a medium; 211. a first top layer circuit; 212. a second top layer circuit; 213. a third top layer circuit; 214. a fourth top layer circuit; 3. a director; 301. an inner loop circuit; 302. an outer loop circuit; 4. a reflective plate; 5. a metal post; 501. a first metal pillar; 502. a second metal pillar.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.
In the description of the present application, it is to be understood that the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Referring to fig. 1, an embodiment of the present invention provides a dual-polarized ultra-wideband yagi antenna, including:
the device comprises a coaxial cable 1, a radiation oscillator 2, a reflecting plate 4, a metal column 5 and a plurality of directors 3;
the reflecting plate 4 is arranged at the bottom ends of the coaxial cable 1 and the metal column 5, and the radiation oscillator 2 is arranged on the metal column 5 above the reflecting plate 4 and is also arranged at the top end of the coaxial cable 1; a plurality of directors 3 are arranged in parallel on the metal column 5 above the radiating vibrator 2 at preset intervals;
the size of the reflector plate 4 is larger than the size of the radiating element 2.
In the embodiment of the present invention, when a radio frequency signal is transmitted to the radiating element 2 through the coaxial cable 1, the radio frequency signal resonates at the radiating element 2 to excite an electromagnetic field, a part of the electromagnetic field is coupled to the first director 3 closest to the radiating element 2, when the circumference of the first director 3 is equal to the wavelength of the corresponding electromagnetic wave, the line of the first director 3 generates an induced current, the induced current generates an electromagnetic field after the line resonates, and the electromagnetic field is coupled to the next director 3 (second director), and similarly, a part of the electromagnetic field generated by the second director is coupled to the next director 3. The electromagnetic wave part that produces on the radiating element 2 radiates to reflecting plate 4, is greater than radiating element 2's size through the size that sets up reflecting plate 4 to can reflect the electromagnetic wave to radiating element 2 through reflecting plate 4, and then make most electromagnetic wave all to the 3 direction radiations of director, be favorable to improving the directionality of yagi antenna radiation, improve yagi antenna's signal transmission speed.
Referring to fig. 5, in an embodiment, a circular loop circuit is disposed on an outer surface of the director 3, a circumference of an outer loop circuit 302 of the circular loop circuit is greater than a circumference of an inner loop circuit 301 of the circular loop circuit, and circumferences of circuits with different lengths correspond to resonance points with different frequencies, so that the dual-polarized ultra-wideband yagi antenna has two resonance points with different frequencies.
In the embodiment of the present invention, the circumference of the outer loop circuit 302 of the circular loop circuit is greater than the circumference of the inner loop circuit 301 of the circular loop circuit, that is, the wavelength of the resonant electromagnetic wave corresponding to the outer loop circuit 302 is greater than the wavelength of the electromagnetic wave corresponding to the inner loop circuit 301, that is, the resonant frequency corresponding to the outer loop circuit 302 is lower than the resonant frequency corresponding to the inner loop circuit 301, so that the yagi antenna of the embodiment of the present invention has two resonant points with different frequencies, and the operating bandwidth of the radiation oscillator 2 is effectively extended.
Alternatively, the wiring provided on the surface of the director 3 may be a circular wiring, a square wiring, or the like, the circumference of the wiring corresponding to the operating frequency of the radiation vibrator 2.
In one embodiment the director 3 near the radiating element 2 is at a distance of 0.15 lambda from the radiating element 2f0The distance between two adjacent directors 3 is 0.2 lambdaf0Wherein λ isf0The wavelength corresponding to the center frequency.
In the embodiment of the present invention, the distance between two adjacent directors 3 can be adjusted according to actual needs, and the intervals may be the same or different.
Referring to fig. 2, the coaxial cable 1 includes a first cable line 101 and a second cable line 102 disposed in parallel, a first metal post 501 opposite to the first cable line 101 and a second metal post 502 opposite to the second cable line 102 of the metal post 5, the first cable line 101 and the first metal post 501 form a first feeding balun, and the second cable line 102 and the second metal post 502 form a second feeding balun.
In the embodiment of the invention, the first feed balun and the second feed balun are mutually orthogonally arranged to form electromagnetic waves which are mutually orthogonally polarized. Optionally, the first feeding balun and the second feeding balun of the radiating element 2 and the outer conductor of the coaxial cable 1 are connected together by the reflection plate 4 in the embodiment of the present invention, and the first metal column 501 and the second metal column 503 are used for supporting the director 3, so that the director 3 is structurally stable.
Referring to fig. 3-4, the radiating element 2 is provided with four radiating element arms, including: a first radiating oscillator arm 201, a second radiating oscillator arm 202, a third radiating oscillator arm 203 and a fourth radiating oscillator arm 204, wherein each radiating oscillator arm is provided with a corresponding top layer circuit, and the center of the radiating oscillator 2 is provided with a central circuit 210;
it should be noted that the first radiating oscillator arm 201 corresponds to a first top-layer line 211, the second radiating oscillator arm 202 corresponds to a second top-layer line 212, the third radiating oscillator arm 203 corresponds to a third top-layer line 213, and the fourth radiating oscillator arm 204 corresponds to a fourth top-layer line 214.
The outer conductor of the first cable 101 is connected with the first radiation oscillator arm 201, and the inner conductor of the first cable 101 is connected with the top layer circuit on the first radiation oscillator arm 201;
in the embodiment of the present invention, the outer conductor of the first cable 101 is connected to a predetermined position on the first radiating oscillator 2 by welding, and the inner conductor of the first cable 101 passes through the medium 220 in the radiating oscillator 2 and is welded to the top layer circuit on the first radiating oscillator arm 201. When the rf signal is injected, the rf signal is transmitted along the second top-layer wire 212, transmitted to the central wire 210 through the metal hole, and transmitted to the third top-layer wire 213 through the metal hole at the other end. It should be noted that the rf signal is coupled to the second radiating oscillator arm 202 at the third top-layer line 213.
The outer conductor of the second cable line 102 is connected to the third radiating oscillator arm 203, and the outer conductor of the second cable line 102 is connected to the third radiating oscillator arm 203.
In the embodiment of the present invention, the outer conductor of the second cable 102 is connected to the predetermined position on the third radiating oscillator arm 203 by soldering, the inner conductor of the second cable 102 passes through the medium 220 in the radiating oscillator 2 and is soldered on the third top-layer wire 213, and the rf signal is transmitted to the fourth radiating oscillator arm 204 along the fourth top-layer wire 214.
In one embodiment the bottom layer of the radiating element 2 is provided with several bottom layer lines.
In one embodiment, the radiator element 2 is a high frequency dielectric 220 sheet with copper on both sides, the director 3 is a dielectric 220 sheet with copper on one side, and the reflector 4 is a metal sheet.
In the embodiment of the invention, the radiation oscillator 2 is printed with the metal lines, and the reflecting plate 4 is a metal plate, so that not only can electromagnetic wave be reflected, but also the antenna structure can be effectively fixed, and the stability of the antenna is improved.
Fig. 6 is a schematic view of polarization isolation of an antenna according to an embodiment of the present invention. Under the condition that the yagi antenna provided by the embodiment of the invention ensures that a radiation directional diagram meets requirements, the frequency band of the antenna is 1.7GHz-2.7GHz with the standing-wave ratio less than 1.5 and the relative bandwidth of 45.6%. The isolation of two dual-polarized input ports is more than 30dB, the cross polarization ratio is more than 15dB, the performance is excellent, and the requirements of modern mobile communication can be well met.
The embodiment of the invention has the following beneficial effects:
according to the embodiment of the invention, the size of the reflection plate 4 is larger than that of the radiation oscillator 2, so that when the electromagnetic wave generated on the radiation oscillator 2 is radiated to the reflection plate 4, the electromagnetic wave can be reflected to the radiation oscillator 2 through the reflection plate 4, and further most of the electromagnetic wave is radiated towards the direction of the director 3, thereby being beneficial to improving the radiation directivity of the yagi antenna and improving the signal transmission speed of the yagi antenna. The circumferences of the circular circuits in the director 3 are unequal, so that the antenna has two resonance points with different frequencies, the working bandwidth of the radiating oscillator 2 is effectively expanded, and the transmission speed of the antenna is further improved.
The foregoing is a preferred embodiment of the present invention, and it should be noted that it would be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the principles of the invention, and such modifications and enhancements are also considered to be within the scope of the invention.
Claims (7)
1. A dual polarized ultra wide band yagi antenna, comprising:
the device comprises a coaxial cable, a radiation oscillator, a reflecting plate, a metal column and a plurality of directors;
the reflecting plate is arranged at the bottom ends of the coaxial cable and the metal column, and the radiation oscillator is arranged on the metal column above the reflecting plate and is also arranged at the top end of the coaxial cable; the plurality of directors are arranged on the metal column above the radiating vibrator in parallel at preset intervals;
the size of the reflector plate is larger than the size of the radiating element.
2. The dual polarized ultra wide band yagi antenna of claim 1, wherein the outer surface of said director is provided with a circular loop circuit, the circumference of the outer loop circuit of said circular loop circuit is larger than the circumference of the inner loop circuit of said circular loop circuit, the circumferences of the circuits with different lengths correspond to resonance points with different frequencies, so that said dual polarized ultra wide band yagi antenna has two resonance points with different frequencies.
3. The dual polarized ultra wide band yagi antenna of claim 1, wherein a distance from a director proximate said radiating element to said radiating element is 0.15 λf0The distance between two adjacent directors is 0.2 lambdaf0Wherein λ isf0The wavelength corresponding to the center frequency.
4. The dual polarized ultra wide band yagi antenna of claim 1, wherein said coaxial cable comprises a first cable wire and a second cable wire arranged in parallel, said metal posts comprise a first metal post opposite to said first cable wire and a second metal post opposite to said second cable wire, said first cable wire and said first metal post form a first feed balun, and said second cable wire and said second metal post form a second feed balun.
5. The dual polarized ultra wide band yagi antenna of claim 1, wherein said radiating element is provided with four radiating element arms comprising: the antenna comprises a first radiating oscillator arm, a second radiating oscillator arm, a third radiating oscillator arm and a fourth radiating oscillator arm, wherein each radiating oscillator arm is provided with a corresponding top layer circuit, and the center of each radiating oscillator is provided with a central circuit;
the outer conductor of the first cable is connected with the first radiation oscillator arm, and the inner conductor of the first cable is connected with the top layer circuit on the first radiation oscillator arm;
and the outer conductor of the second cable is connected with the third radiation oscillator arm, and the outer conductor of the second cable is connected with the third radiation oscillator arm.
6. The dual polarized ultra wide band yagi antenna of claim 1, wherein said radiating element has a bottom layer having a plurality of bottom layer lines.
7. The dual-polarized ultra-wideband yagi antenna according to claim 1, wherein the radiating element is a high-frequency dielectric slab with copper coated on both sides, the director is a dielectric slab with copper coated on one side, and the reflector plate is a metal plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111450091.5A CN114069253B (en) | 2021-11-30 | 2021-11-30 | A dual-polarization ultra-wideband Yagi antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111450091.5A CN114069253B (en) | 2021-11-30 | 2021-11-30 | A dual-polarization ultra-wideband Yagi antenna |
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| Publication Number | Publication Date |
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| CN114069253A true CN114069253A (en) | 2022-02-18 |
| CN114069253B CN114069253B (en) | 2025-01-03 |
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| CN202111450091.5A Active CN114069253B (en) | 2021-11-30 | 2021-11-30 | A dual-polarization ultra-wideband Yagi antenna |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117239400A (en) * | 2023-08-28 | 2023-12-15 | 佛山市迪安通讯设备有限公司 | Ultra-wideband PCB radiating unit and ultra-wideband antenna |
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| GB1500162A (en) * | 1974-03-14 | 1978-02-08 | Int Standard Electric Corp | Rotating radiation pattern compound aerial |
| US20060279471A1 (en) * | 2005-06-01 | 2006-12-14 | Zimmerman Martin L | Antenna |
| CN109861006A (en) * | 2019-01-24 | 2019-06-07 | 南京信息工程大学 | A multi-drive unit generalized Yagi antenna and its optimization method |
| CN109980360A (en) * | 2019-04-01 | 2019-07-05 | 佛山市盛夫通信设备有限公司 | A kind of dual-polarized yagi aerial |
| CN111082214A (en) * | 2018-10-22 | 2020-04-28 | 杭州海康威视数字技术股份有限公司 | UHF directional antenna |
| CN112038758A (en) * | 2020-09-23 | 2020-12-04 | 广东曼克维通信科技有限公司 | Ultra-wideband dual-polarized radiation unit, antenna and antenna array |
| KR102297437B1 (en) * | 2021-05-31 | 2021-09-07 | 한화시스템(주) | broadband jamming signal transmission antenna |
| CN216903365U (en) * | 2021-11-30 | 2022-07-05 | 广东曼克维通信科技有限公司 | Dual-polarized ultra-wideband yagi antenna |
-
2021
- 2021-11-30 CN CN202111450091.5A patent/CN114069253B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1500162A (en) * | 1974-03-14 | 1978-02-08 | Int Standard Electric Corp | Rotating radiation pattern compound aerial |
| US20060279471A1 (en) * | 2005-06-01 | 2006-12-14 | Zimmerman Martin L | Antenna |
| CN111082214A (en) * | 2018-10-22 | 2020-04-28 | 杭州海康威视数字技术股份有限公司 | UHF directional antenna |
| CN109861006A (en) * | 2019-01-24 | 2019-06-07 | 南京信息工程大学 | A multi-drive unit generalized Yagi antenna and its optimization method |
| CN109980360A (en) * | 2019-04-01 | 2019-07-05 | 佛山市盛夫通信设备有限公司 | A kind of dual-polarized yagi aerial |
| CN112038758A (en) * | 2020-09-23 | 2020-12-04 | 广东曼克维通信科技有限公司 | Ultra-wideband dual-polarized radiation unit, antenna and antenna array |
| KR102297437B1 (en) * | 2021-05-31 | 2021-09-07 | 한화시스템(주) | broadband jamming signal transmission antenna |
| CN216903365U (en) * | 2021-11-30 | 2022-07-05 | 广东曼克维通信科技有限公司 | Dual-polarized ultra-wideband yagi antenna |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117239400A (en) * | 2023-08-28 | 2023-12-15 | 佛山市迪安通讯设备有限公司 | Ultra-wideband PCB radiating unit and ultra-wideband antenna |
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| CN114069253B (en) | 2025-01-03 |
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