CN114006157B - Planar quasi-yagi antenna based on substrate integrated waveguide and tapered gradient structure feed - Google Patents
Planar quasi-yagi antenna based on substrate integrated waveguide and tapered gradient structure feed Download PDFInfo
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- CN114006157B CN114006157B CN202111253926.8A CN202111253926A CN114006157B CN 114006157 B CN114006157 B CN 114006157B CN 202111253926 A CN202111253926 A CN 202111253926A CN 114006157 B CN114006157 B CN 114006157B
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- 239000000758 substrate Substances 0.000 title claims abstract description 59
- 239000002184 metal Substances 0.000 claims abstract description 43
- 230000005855 radiation Effects 0.000 claims abstract description 24
- 238000007639 printing Methods 0.000 claims abstract description 19
- 230000008859 change Effects 0.000 claims description 8
- 238000012986 modification Methods 0.000 claims description 2
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- 238000004891 communication Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 3
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Classifications
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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
- H01Q1/50—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
- 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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Abstract
The invention discloses a planar quasi-yagi antenna based on substrate integrated waveguide and tapered gradient structure feed, which comprises a metal printing layer and a dielectric substrate layer, wherein the metal printing layer is printed on two sides of the dielectric substrate layer to form a top metal layer and a bottom metal layer; the metal printing layer comprises a substrate integrated waveguide, a tapered gradient feed structure, a dipole radiation unit and a director; one end of the substrate integrated waveguide is connected with a tapered gradient feed structure, the other end of the tapered gradient feed structure is connected with a dipole radiation unit, and a director is arranged beside the dipole radiation unit. According to the invention, the cross structure and the structure are respectively loaded on the dipole double arms of the traditional planar quasi-yagi antenna, and compared with the traditional planar quasi-yagi antenna, the structure effectively improves the return loss of the antenna in the impedance bandwidth on the basis of ensuring the high gain performance of the antenna.
Description
Technical Field
The invention relates to a planar quasi-yagi antenna structure with a novel structure, in particular to an antenna structure which is manufactured by adopting a printed circuit board process and radiates by using a novel dipole unit structure, so as to improve indexes such as antenna bandwidth, return loss and the like.
Background
Antennas are one of the key parts of radio frequency circuitry, whose performance directly affects the communication signal quality of the communication system, the signal coverage of the communication system, and the operational performance of the communication system. With the further development of electromagnetic technology, the research of science and technology evolves towards higher frequency bands and covers low frequency bands to millimeter wave bands, so that the technology is widely applied gradually, including the fields of virtual reality technology, new wireless local area network technology, radar and guidance technology, radio astronomy, clinical medicine, spectroscopy and the like.
The use of high gain amplifiers or antenna arrays to compensate for the loss due to transmission distance increases the gain of the amplifiers and the use of antenna arrays also increases the cost of the communication system, and broadband characteristics are also an unavoidable consideration. Thus, antenna design for wideband, high gain and low return loss has been a challenge for radio frequency communication systems.
The yagi antenna is a typical end-fire antenna, the traditional yagi antenna is built by a plurality of metal rods, along with the development of printed circuit board technology and the development of substrate integrated waveguide technology, the yagi antenna is changed into a planar antenna, and the planar printed quasi-yagi antenna can meet most radio frequency applications, but the bandwidth of the planar quasi-yagi antenna with the traditional structure is limited, and the bandwidth is increased to bring gain loss, so that the requirements of bandwidth and gain cannot be met at the same time.
Therefore, it is necessary to invent a planar quasi-yagi antenna capable of improving the return loss of the antenna and improving the impedance bandwidth while ensuring the high gain of the antenna, so as to be applied to millimeter wave radar, communication and other systems.
Disclosure of Invention
Technical problems: in order to solve the problems, the invention provides a planar quasi-yagi antenna based on substrate integrated waveguide and tapered gradient structure feed, in particular to an antenna structure which is manufactured by adopting a printed circuit board technology and radiates by using a novel dipole unit structure, so as to improve indexes such as antenna bandwidth, return loss and the like.
The technical scheme is as follows: the invention provides a planar quasi-yagi antenna based on substrate integrated waveguide and tapered gradient structure feed, which comprises a metal printing layer and a dielectric substrate layer, wherein the metal printing layer is printed on two sides of the dielectric substrate layer to form a top metal layer and a bottom metal layer; the metal printing layer comprises a substrate integrated waveguide, a tapered gradient feed structure, a dipole radiation unit and a director; one end of the substrate integrated waveguide is connected with a tapered gradient feed structure, the other end of the tapered gradient feed structure is connected with a dipole radiation unit, and a director is arranged beside the dipole radiation unit.
Wherein,
when the dipole of the planar quasi-yagi antenna is a cross-structure dipole radiation unit, a first substrate integrated waveguide structure is arranged on a top metal layer, one end of the first substrate integrated waveguide structure is connected with a first conical gradual change feed structure, the other end of the first conical gradual change feed structure is vertically connected with the first cross-structure dipole radiation unit, and a first director and a second director are arranged beside the first cross-structure dipole radiation unit in parallel; the bottom metal layer is provided with a second substrate integrated waveguide structure, one end of the second substrate integrated waveguide structure is connected with a second cone-shaped gradual change feed structure, the other end of the second cone-shaped gradual change feed structure is vertically connected with a second cross-shaped structure dipole radiation unit, and the second cross-shaped structure dipole radiation unit and the first cross-shaped structure dipole radiation unit are 180 degrees different in direction and are symmetrically distributed with the axis of the planar quasi-yagi antenna.
When the dipole of the planar quasi-yagi antenna is a -shaped dipole radiating unit, a third substrate integrated waveguide structure is arranged on the top metal layer, one end of the third substrate integrated waveguide structure is connected with a third tapered gradient feed structure, the other end of the third tapered gradient feed structure is vertically connected with a first -shaped dipole radiating unit, and a third director and a fourth director are arranged beside the first -shaped dipole radiating unit in parallel; the bottom metal layer is provided with a fourth substrate integrated waveguide structure, one end of the fourth substrate integrated waveguide structure is connected with a fourth tapered gradient feed structure, and the other end of the fourth tapered gradient feed structure is vertically connected with a second -shaped dipole radiation unit; the directions of the first dipole radiating element and the second dipole radiating element are different by 180 degrees, and the first dipole radiating element and the second dipole radiating element are symmetrically distributed with the axis of the planar quasi-yagi antenna.
The first cross-shaped structure dipole radiating unit, the second cross-shaped structure dipole radiating unit, the first -shaped structure dipole radiating unit and the second -shaped structure dipole radiating unit are rectangular, and the length of the first cross-shaped structure dipole radiating unit, the second cross-shaped structure dipole radiating unit and the second -shaped structure dipole radiating unit are longer than the width of the dipole radiating unit.
The first dipole radiating element and the second dipole radiating element have the same or different sizes.
The lengths of the first director, the second director or the third director and the fourth director are smaller than those of the first cross-shaped structure dipole radiating unit, the second cross-shaped structure dipole radiating unit or the first -shaped structure dipole radiating unit and the second -shaped structure dipole radiating unit.
And the first director, the second director or the third director and the fourth director have the same spacing.
The first cross-shaped structure dipole radiating unit, the second cross-shaped structure dipole radiating unit, the first -shaped structure dipole radiating unit, the second -shaped structure dipole radiating unit, the first director, the second director or the third director and the fourth director are respectively printed on two sides of the metal printing plate; the number of directors is 1 to 4.
The first tapered gradient feed structure, the second tapered gradient feed structure, the third tapered gradient feed structure and the fourth tapered gradient feed structure are changed into microstrip line feed structures, coplanar strip line structures or coplanar waveguide structures, and are printed on two sides of the double-sided metal printing plate;
the first cross-shaped structure dipole radiating element, the second cross-shaped structure dipole radiating element, the first cross-shaped structure dipole radiating element, the second cross-shaped structure dipole radiating element, and the radiating structures of the first director, the second director or the third director and the fourth director are changed into V-shaped radiating structures and one-shaped double-dipole radiating structures.
The beneficial effects are that:
1) The bandwidth, gain and return loss performance of the planar quasi-yagi antenna are effectively improved, and the miniaturization design of the antenna can be realized on the basis of realizing high performance.
2) The structure is simple, and the performance of the planar quasi-yagi antenna is further improved on the basis of not excessively adjusting.
3) Is suitable for various application occasions such as short-distance communication, radio frequency transceivers, wireless local area networks and the like.
The invention is suitable for the short-distance communication scene from the low frequency band to the millimeter wave frequency band, and each index is far superior to the traditional plane quasi-yagi antenna structure.
Drawings
Fig. 1 is a schematic structural diagram of the present invention, in which (a) is a schematic structural diagram of a top metal layer of a planar quasi-yagi antenna of a cross-shaped dipole, and (b) is a schematic structural diagram of a bottom metal layer of a planar quasi-yagi antenna of a cross-shaped dipole; (c) A top metal layer structure schematic diagram of a planar quasi-yagi antenna of a -shaped structure dipole, and (d) a bottom metal layer structure schematic diagram of a planar quasi-yagi antenna of a -shaped structure dipole;
fig. 2 shows the comparison result of performance indexes of a planar quasi-yagi antenna with a conventional structure and a planar quasi-yagi antenna with a cross dipole structure when the invention is applied to a 45GHz frequency band. Wherein (a) is return loss S 11 Parameters (b) are E-plane antenna gain parameters.
Fig. 3 is a comparison result of performance indexes of a planar quasi-yagi antenna with a conventional structure, a planar quasi-yagi antenna with a cross dipole structure and a planar quasi-yagi antenna with a dipole structure when the present invention is applied to a 60GHz frequency band. Wherein (a) is return loss S 11 Parameters (b) are E-plane antenna gain parameters.
Fig. 4 shows the comparison result of performance indexes of a planar quasi-yagi antenna with a conventional structure, a planar quasi-yagi antenna with a cross dipole structure and a planar quasi-yagi antenna with a dipole structure when the present invention is applied to a 70GHz frequency band. Wherein (a) is return loss S 11 Parameters (b) are E-plane antenna gain parameters.
The drawings are as follows: the first substrate integrated waveguide structure 1-1, the second substrate integrated waveguide structure 2-1, the third substrate integrated waveguide structure 3-1 and the fourth substrate integrated waveguide structure 4-1; the first tapered gradient feed structure 1-2, the second tapered gradient feed structure 2-2, the third tapered gradient feed structure 3-2, the fourth tapered gradient feed structure 4-2, the first cross structure dipole radiating element 1-3, the second cross structure dipole radiating element 2-3, the first dipole radiating element 3-3 and the second dipole radiating element 4-3; the first director 1-4, the second director 1-5, the third director 3-4 and the fourth director 3-5.
Detailed Description
The invention will be further described with reference to the accompanying drawings
As shown in fig. 1, the invention is a planar quasi-yagi antenna structure based on a substrate integrated waveguide and a tapered graded structure feed. The antenna is composed of a metal printing layer and a dielectric substrate layer, and the metal printing layer structure is shown in the figure. When the dipole of the planar quasi-yagi antenna is a cross-structure dipole radiating unit, a first substrate integrated waveguide structure 1-1 is arranged on a top metal layer, one end of the first substrate integrated waveguide structure 1-1 is connected with a first tapered gradient feed structure 1-2, the other end of the first tapered gradient feed structure 1-2 is vertically connected with a first cross-structure dipole radiating unit 1-3, and a first director 1-4 and a second director 1-5 are arranged beside the first cross-structure dipole radiating unit 1-3 in parallel; the bottom metal layer is provided with a second substrate integrated waveguide structure 2-1, one end of the second substrate integrated waveguide structure 2-1 is connected with a second cone-shaped gradual change feed structure 2-2, the other end of the second cone-shaped gradual change feed structure 2-2 is vertically connected with a second cross-shaped structure dipole radiation unit 2-3, and the second cross-shaped structure dipole radiation unit 2-3 is 180 degrees different from the first cross-shaped structure dipole radiation unit 1-3 in direction and is symmetrically distributed with the axis of the planar quasi-yagi antenna.
When the dipole of the planar quasi-yagi antenna is a -shaped dipole radiating unit, a third substrate integrated waveguide structure 3-1 is arranged on a top metal layer, one end of the third substrate integrated waveguide structure 3-1 is connected with a third tapered gradient feed structure 3-2, the other end of the third tapered gradient feed structure 3-2 is vertically connected with a first -shaped dipole radiating unit 3-3, and a third director 3-4 and a fourth director 3-5 are arranged beside the first -shaped dipole radiating unit 3-3 in parallel; the bottom metal layer is provided with a fourth substrate integrated waveguide structure 4-1, one end of the fourth substrate integrated waveguide structure 4-1 is connected with a fourth tapered gradient feed structure 4-2, and the other end of the fourth tapered gradient feed structure 4-2 is vertically connected with a second -structured dipole radiation unit 4-3; the first dipole radiating element 3-3 and the second dipole radiating element 4-3 are 180 degrees different in direction and are symmetrically distributed with the axis of the planar quasi-yagi antenna.
In the figure, a first substrate integrated waveguide structure 1-1, a second substrate integrated waveguide structure 2-1, a third substrate integrated waveguide structure 3-1 and a fourth substrate integrated waveguide structure 4-1 are fed to a first cross-shaped structure dipole radiating unit 1-3, a second cross-shaped structure dipole radiating unit 2-3, a first -shaped structure dipole radiating unit 3-3 and a second -shaped structure dipole radiating unit 4-3 through a first tapered feed structure 1-2, a second tapered feed structure 2-2, a third tapered feed structure 3-2 and a fourth tapered feed structure 4-2, and the dipoles are respectively arranged on an upper metal printing layer and a lower metal printing layer and have the same and symmetrical feed structures; the first director 1-4, the second director 1-5, the third director 3-4 and the fourth director 3-5 are parallel to the dipoles and are positioned on the single-sided metal printing layer; the first cross-shaped structure dipole radiating element 1-3, the second cross-shaped structure dipole radiating element 2-3, the first -shaped structure dipole radiating element 3-3 and the second -shaped structure dipole radiating element 4-3 are loaded on dipole arms of the antenna and are vertically symmetrical according to the antenna structure; the first cross-shaped structure dipole radiating element 1-3, the second cross-shaped structure dipole radiating element 2-3, the first -shaped structure dipole radiating element 3-3 and the second -shaped structure dipole radiating element 4-3 are rectangular in structure, and the length of the first cross-shaped structure dipole radiating element is longer than the width of the dipole; the first cross-shaped dipole radiating element 1-3 and the second cross-shaped dipole radiating element 2-3 of the cross structure are respectively positioned on dipole arms of the metal printing layers on the two sides; the first dipole radiating element 3-3 and the second dipole radiating element 4-3 of the dipole arm are also arranged on two sides of the metal printing layer, the dipole arm is provided with a proper distance, and the two dipole arms can be different in size.
FIG. 2 is a graph of antenna performance parameters for a 45GHz band, comparing conventional and cross-structured dipoles, respectivelyIs of return loss S 11 A parameter map (a) and an H-plane gain parameter map (b). As can be seen from the graph (a), the planar quasi-yagi antenna of the cross-shaped dipole has lower return loss than the planar quasi-yagi antenna of the traditional structure, and is reduced by about 4.8 dB; meanwhile, the new structure has the trend of further expanding the bandwidth at 45 GHz. As can be seen from the graph (b), the planar quasi-yagi antenna of the cross structure is the same as the gain of the yagi antenna of the conventional structure, and it is confirmed that the planar quasi-yagi antenna of the new structure has no influence on the gain of the antenna.
Fig. 3 is a graph of antenna performance parameters for the application of the present invention in the 60GHz band. Respectively compares the return loss S of the dipole with the traditional structure, the dipole with the cross structure and the dipole with the structure 11 A parameter map (a) and an H-plane gain parameter map (b). As can be seen from the graph (a), the loading of the planar quasi-yagi antenna with the novel structure greatly improves the return loss of the antenna, and compared with the antenna with the traditional structure, the return loss of the antenna with the cross structure dipole and the antenna with the structure dipole is respectively reduced by 4.6dB and 8.4dB; meanwhile, compared with the antenna with the traditional structure, the antenna with the cross and -shaped structure has the advantages that the impedance bandwidth is respectively improved by 5.1 percent and 8.5 percent in the 60GHz frequency band, and the antenna is superior to the antenna with the traditional structure; as can be seen from the graph (b), the E-plane gain is increased by 0.1dB and 0.2dB, respectively, compared with the conventional dipole antenna. The planar quasi-yagi antenna with the novel structure can greatly improve the return loss and the impedance bandwidth of the antenna on the basis of not influencing the antenna gain.
Fig. 3 is a graph of antenna performance parameters for the application of the present invention in the 70GHz band. Respectively compares the return loss S of the dipole structure with the traditional structure, the dipole structure with the cross structure and the dipole structure with the structure 11 A parameter map (a) and an H-plane gain parameter map (b). As can be seen from the graph (a), the loading of the planar quasi-yagi antenna with the novel structure greatly improves the return loss of the antenna, and compared with the antenna with the traditional structure, the return loss of the antenna with the cross and -shaped structure is respectively reduced by 4.8dB and 9.1dB; compared with the antenna with the traditional structure, the antenna with the cross and dipole has the advantages that the impedance bandwidth is respectively improved by 1.5% and 5.6%; more importantly, it can be seen from the (b) graphThe gains of the three structures are basically the same, and the antenna with the novel structure can realize further reduction of return loss and expansion of impedance bandwidth on the basis of keeping high gain at high frequency.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (7)
1. The planar quasi-yagi antenna based on substrate integrated waveguide and tapered gradient structure feed is characterized by comprising a metal printing layer and a dielectric substrate layer, wherein the metal printing layer is printed on two sides of the dielectric substrate layer to form a top metal layer and a bottom metal layer; the metal printing layer comprises a substrate integrated waveguide, a tapered gradient feed structure, a dipole radiation unit and a director; one end of the substrate integrated waveguide is connected with a tapered gradient feed structure, the other end of the tapered gradient feed structure is connected with a dipole radiation unit, and a director is arranged beside the dipole radiation unit;
the dipole of the planar quasi-yagi antenna is a cross-shaped dipole radiating unit or a -shaped dipole radiating unit;
when the dipole of the planar quasi-yagi antenna is a cross-structure dipole radiating unit, a first substrate integrated waveguide structure (1-1) is arranged on a top metal layer, one end of the first substrate integrated waveguide structure (1-1) is connected with a first tapered gradient feed structure (1-2), the other end of the first tapered gradient feed structure (1-2) is vertically connected with a first cross-structure dipole radiating unit (1-3), and a first director (1-4) and a second director (1-5) are arranged beside the first cross-structure dipole radiating unit (1-3) in parallel; the bottom metal layer is provided with a second substrate integrated waveguide structure (2-1), one end of the second substrate integrated waveguide structure (2-1) is connected with a second cone-shaped gradual change feed structure (2-2), the other end of the second cone-shaped gradual change feed structure (2-2) is vertically connected with a second cross-shaped structure dipole radiation unit (2-3), and the directions of the second cross-shaped structure dipole radiation unit (2-3) and the first cross-shaped structure dipole radiation unit (1-3) are different by 180 degrees and are symmetrically distributed with the axis of the planar quasi-yagi antenna;
when the dipole of the planar quasi-yagi antenna is a -shaped dipole radiating unit, a third substrate integrated waveguide structure (3-1) is arranged on the top metal layer, one end of the third substrate integrated waveguide structure (3-1) is connected with a third tapered gradient feed structure (3-2), the other end of the third tapered gradient feed structure (3-2) is vertically connected with a first -shaped dipole radiating unit (3-3), and a third director (3-4) and a fourth director (3-5) are arranged beside the first -shaped dipole radiating unit (3-3) in parallel; the bottom metal layer is provided with a fourth substrate integrated waveguide structure (4-1), one end of the fourth substrate integrated waveguide structure (4-1) is connected with a fourth tapered gradient feed structure (4-2), and the other end of the fourth tapered gradient feed structure (4-2) is vertically connected with a second -shaped structure dipole radiation unit (4-3); the directions of the first dipole radiating unit (3-3) and the second dipole radiating unit (4-3) are different by 180 degrees, and the first dipole radiating unit and the second dipole radiating unit are symmetrically distributed with the axis of the planar quasi-yagi antenna;
the first cross-shaped structure dipole radiating unit (1-3), the second cross-shaped structure dipole radiating unit (2-3), the first -shaped structure dipole radiating unit (3-3) and the second -shaped structure dipole radiating unit (4-3) are rectangular, and the length of the first cross-shaped structure dipole radiating unit is longer than the width of the dipole radiating unit.
2. The planar quasi-yagi antenna based on substrate integrated waveguide and tapered graded structure feed of claim 1, wherein the first -shaped dipole radiating element (3-3) and the second -shaped dipole radiating element (4-3) are the same or different in size.
3. The planar quasi-yagi antenna based on substrate integrated waveguide and tapered graded structure feed according to claim 1, wherein the length of the first director (1-4), the second director (1-5) or the third director (3-4), the fourth director (3-5) should be smaller than the length of the first cross structure dipole radiating element (1-3), the second cross structure dipole radiating element (2-3) or the first structure dipole radiating element (3-3), the second structure dipole radiating element (4-3).
4. The planar quasi-yagi antenna based on substrate integrated waveguide and tapered graded structure feed according to claim 1, wherein the first director (1-4), the second director (1-5) or the third director (3-4), the fourth director (3-5) are equally spaced.
5. The planar quasi-yagi antenna based on substrate integrated waveguide and tapered graded structure feed according to claim 1, wherein the first cross-structure dipole radiating element (1-3), the second cross-structure dipole radiating element (2-3), the first -structure dipole radiating element (3-3), the second -structure dipole radiating element (4-3) and the first director (1-4), the second director (1-5) or the third director (3-4), the fourth director (3-5) are respectively printed on both sides of the metal printing plate; the number of directors is 1 to 4.
6. The planar quasi-yagi antenna based on substrate integrated waveguide and tapered gradient structure feeding according to claim 1, characterized in that the first tapered gradient feed structure (1-2), the second tapered gradient feed structure (2-2), the third tapered gradient feed structure (3-2), the fourth tapered gradient feed structure (4-2) or the modification is a microstrip line feed structure, a coplanar stripline structure or a coplanar waveguide structure, printed on both sides of a double-sided metal printed board.
7. The planar quasi-yagi antenna based on substrate integrated waveguide and tapered graded structure feed of claim 5, wherein the radiating structure of the first cross-structure dipole radiating element (1-3), the second cross-structure dipole radiating element (2-3), the first -structure dipole radiating element (3-3), the second -structure dipole radiating element (4-3) and the first director (1-4), the second director (1-5) or the third director (3-4), the fourth director (3-5) is changed to a "V" type radiating structure, a "one" type double dipole radiating structure.
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| CN101656351A (en) * | 2009-06-10 | 2010-02-24 | 东南大学 | Wideband Yagi aerial for half-mould substrate integrated waveguide feed |
| KR101630674B1 (en) * | 2015-09-03 | 2016-06-15 | 동서대학교산학협력단 | Double dipole quasi-yagi antenna using stepped slotline structure |
| CN105934851A (en) * | 2014-01-08 | 2016-09-07 | 高通股份有限公司 | Quasi-yagi-type antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101656351A (en) * | 2009-06-10 | 2010-02-24 | 东南大学 | Wideband Yagi aerial for half-mould substrate integrated waveguide feed |
| CN105934851A (en) * | 2014-01-08 | 2016-09-07 | 高通股份有限公司 | Quasi-yagi-type antenna |
| KR101630674B1 (en) * | 2015-09-03 | 2016-06-15 | 동서대학교산학협력단 | Double dipole quasi-yagi antenna using stepped slotline structure |
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| Title |
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| A −28.5-dB EVM 64-QAM 45-GHz Transceiver for IEEE 802.11aj;Peigen Zhou等;IEEE Journal of Solid-State Circuits;第3077-3093页 * |
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