CN113054412B - Millimeter wave antenna array based on periodically loaded metal columns - Google Patents

Millimeter wave antenna array based on periodically loaded metal columns Download PDF

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CN113054412B
CN113054412B CN202110290537.6A CN202110290537A CN113054412B CN 113054412 B CN113054412 B CN 113054412B CN 202110290537 A CN202110290537 A CN 202110290537A CN 113054412 B CN113054412 B CN 113054412B
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metal
antenna array
power divider
phase power
loads
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CN113054412A (en
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程强
陈建锋
崔铁军
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Southeast University
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Southeast University
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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
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/12—Coupling devices having more than two ports
    • H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
    • 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
    • H01Q21/00—Antenna arrays or systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
    • H01Q5/28—Arrangements for establishing polarisation or beam width over two or more different wavebands
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation

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  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

The invention discloses a millimeter wave antenna array based on periodically loaded metal columns, which comprises a one-to-two amplitude in-phase power divider, a multi-path reverse-phase power divider and an equivalent TE12,0Mode waveguide, front end of antenna array, upper and lower metal plates, periodic metal column, two equiamplitude and same-phase power dividers, multi-path and opposite-phase power divider, and equivalent TE12,0The mode waveguide and the front end of the antenna array are connected in series in sequence and are connected into a whole with the lower metal plate through the upper metal plate, and the peripheries of the upper metal plate and the lower metal plate are connected through periodic metal columns. The invention improves the thickness of the substrate, improves the mechanical strength of the whole structure of the antenna and reduces the influence caused by processing errors; a power distribution network scheme with more flexibility, rapidness and high stability is constructed; the design is simple and convenient, and the processing cost is low, and the installation is convenient, and easily integrated, has good commonality, through the structure alright design in different working frequency channels of adjustment size, easily popularization and application.

Description

Millimeter wave antenna array based on periodically loaded metal columns
Technical Field
The invention belongs to the technical field of antennas, and particularly relates to a millimeter wave antenna array based on periodically loaded metal columns.
Background
The antenna array technology has been applied to a plurality of fields such as daily life, military field, scientific exploration and the like as an important means for improving gain and realizing complex functions of an antenna. In the past decades, wireless devices are more and more dense, the operating frequency of antennas is also continuously increased, and the 5G communication technology has increased part of frequency bands to millimeter wave frequency bands, so as to obtain larger communication bandwidth. However, as the frequency increases, the size of the antenna also decreases, which greatly increases the difficulty of the antenna array, mainly expressed as: (1) the thickness of the substrate is too thin, so that the mechanical strength of the antenna is influenced; (2) the limited processing precision greatly increases the processing error of the high-frequency antenna array; (3) the complicated power division network and the structural complexity of the antenna structure make the antenna performance susceptible to various errors.
Disclosure of Invention
The invention aims to provide a millimeter wave antenna array based on periodically loaded metal columns, which aims to solve the technical problems that a substrate is thin in thickness, the processing precision is low, and the antenna performance is easily influenced by various errors.
In order to solve the technical problems, the specific technical scheme of the invention is as follows:
a millimeter wave antenna array based on periodically loaded metal columns comprises a one-half and two-half amplitude in-phase power divider, a multi-path reverse-phase power divider and an equivalent TE12,0Mode waveguide, front end of antenna array, upper and lower metal plates, periodic metal column, two equiamplitude and same-phase power dividers, multi-path and opposite-phase power divider, and equivalent TE12,0The mode waveguide and the front end of the antenna array are sequentially connected in series and are connected into a whole through an upper metal plate and a lower metal plate, and the peripheries of the upper metal plate and the lower metal plate are connected through periodic metal columns;
the one-to-two equal-amplitude and same-phase power divider comprises a periodic metal cylinder which is connected with an upper metal plate and a lower metal plate, one end of the periodic metal cylinder is contacted with the upper metal plate, and the other end of the periodic metal cylinder is contacted with the lower metal plate;
the multi-path inverting power divider comprises two TEs with the same size20Mode-inverting power dividers arranged in parallel in the transverse direction of the antenna array, respectively, wherein the TE20The mode-inverting power divider comprises two rows of first metal loads with the same size and two rows of second metal loads with gradually changed sizes, wherein the first metal loads and the second metal loads are arranged in parallel along the longitudinal direction of the antenna array;
the equivalent TE12,0The mode waveguide includes four TEs of the same size30Mode waveguides arranged in parallel along the transverse direction of the antenna array, respectively, wherein TE30The mode waveguide comprises two rows of third metal loads with the same size, two rows of fourth metal loads with gradually changed sizes, one row of fifth metal loads with the same size and one row of sixth metal loads with gradually changed sizes, wherein the third metal loads and the two rows of fourth metal loads with gradually changed sizes are arranged in parallel along the longitudinal direction of the antenna array; fifth hardwareThe metal loads and the two rows of sixth metal loads with gradually changed sizes are arranged in parallel along the longitudinal direction of the antenna array; the third metal loading and the fifth metal loading have the same distance along the transverse direction of the antenna array; the third metal loading and the fifth metal loading have the same distance along the transverse direction of the antenna array;
the front end of the antenna array comprises a plurality of first antenna units and second antenna units which are mirror images of each other and are arranged at intervals along the transverse direction of the antenna array, wherein the first antenna units and the second antenna units are respectively composed of right-angled triangle structures with the same size in an upper metal plate and a lower metal plate.
Further, the series connection mode is as follows:
the output end of the one-half and two-half amplitude in-phase power divider is connected with the input end of the multi-path reverse-phase power divider;
output end and equivalent TE of multi-path reverse phase power divider12,0The input ends of the mode waveguides are connected;
equivalent TE12,0The output end of the mode waveguide is connected with the input end of the front end of the antenna array.
Furthermore, the periodic metal columns are the same as the periodic metal columns.
Further, the sizes of the loading units in the third metal loading and the fifth metal loading are consistent.
Further, the sizes of the loading units in the fourth metal loading and the sixth metal loading are consistent.
Further, the adjacent center distance between the third metal loading and the fifth metal loading is the same as the adjacent center distance between the first antenna unit and the second antenna unit.
Further, the one-half and two-half amplitude in-phase power divider, the multi-path reverse-phase power divider and the equivalent TE12,0The mode waveguide and the dielectric substrate material at the front end of the antenna array are both Taonic TLY-5 materials.
The millimeter wave antenna array based on the periodically loaded metal columns has the following advantages that:
(1) the thickness of the substrate can be increased by at least 4 times, so that the mechanical strength of the whole structure of the antenna can be improved, the possibility of deformation is reduced, the processing precision is high, and the thicker substrate can help to reduce the influence caused by processing errors.
(2) The whole network only needs to use one traditional one-to-two power divider to match with a plurality of TEs20Mode waveguide and TE30And the mode waveguide is used for realizing the distribution of one-to-ten-channels of signals. Due to TE20Mode waveguide and TE30Due to the mode characteristic of the mode waveguide, each output channel signal can have the constant amplitude characteristic in a working frequency band, and even if certain machining errors and mechanical deformation exist, the output signal can be kept stable.
(3) The invention has simple design, low processing cost, convenient installation, easy integration and good universality, can be designed in different working frequency bands by adjusting the size structure, and is easy to popularize and apply.
Drawings
FIG. 1 is a perspective view of the overall structure of a millimeter wave antenna array based on periodically loaded metal posts according to the present invention;
FIG. 2 is a top view of an upper metal plate of a millimeter wave antenna array based on periodically loaded metal pillars according to the present invention;
FIG. 3 is a top view of the periodically loaded metal pillar based millimeter wave antenna array of the present invention with the upper metal plate removed;
FIG. 4 is a cross-sectional view of a periodic metal cylinder x-y of a one-half, two-amplitude, in-phase power divider of the present invention;
FIG. 5 is a y-z cross-sectional view of a periodic metal cylinder of the one-half, two-amplitude, in-phase power divider of the present invention;
FIG. 6 is an x-y cross sectional view of a first metal load and a second metal load of the multi-way inverting power divider of the present invention;
FIG. 7 is a y-z cross-sectional view of a first metal load and a second metal load of the multi-way inverting power divider of the present invention;
FIG. 8 is an equivalent TE of the present invention12,0X-y cross sectional views of a third metal loading and a fourth metal loading of a mode waveguide;
FIG. 9 is an equivalent TE of the present invention12,0Third metal loading and fourth metal loading of mode waveguidesMetal loaded y-z cross sectional view;
FIG. 10 is an equivalent TE of the present invention12,0X-y cross sectional views of fifth and sixth metal loading of the mode waveguide;
FIG. 11 is an equivalent TE of the present invention12,0A fifth metal loading and a sixth metal loading y-z cross-sectional view of the mode waveguide;
FIG. 12 is an x-y cross sectional view of the upper and lower metal plates of the front end of the antenna array of the present invention;
FIG. 13 is a radiation pattern of a millimeter wave antenna array based on periodically loaded metal posts according to the present invention within an operating frequency band;
FIG. 14 is an overall work flow diagram of the millimeter wave antenna array based on periodically loaded metal pillars according to the present invention;
FIG. 15 is a flowchart of the operation of the multi-way inverter of the millimeter wave antenna array based on periodically loaded metal pillars in accordance with the present invention;
FIG. 16 is an equivalent TE of the millimeter wave antenna array based on the periodically loaded metal posts of the present invention12,0A workflow diagram of a mode waveguide;
Detailed Description
In order to better understand the purpose, structure and function of the present invention, a millimeter wave antenna array based on periodically loaded metal pillars is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1, the millimeter wave antenna array based on periodically loaded metal pillars of the present invention comprises: an upper metal plate 5 and a lower metal plate 6. The peripheries of the upper metal plate 5 and the lower metal plate 6 are connected through periodic metal columns;
as shown in fig. 2, the millimeter wave antenna array based on periodically loaded metal pillars of the present invention further includes: one-half and two-half amplitude same-phase power divider 1, multi-path reverse-phase power divider 2 and equivalent TE12,0Mode waveguides 3 and antenna array front ends 4. Wherein, the output end of the one-half amplitude and two-half amplitude cophase power divider 1 is connected with the input end of the multi-path reverse phase power divider 2; output end and equivalent TE of multi-path inverting power divider 212,0The input ends of the mode waveguides 3 are connected; equivalent TE12,0The output end of the mode waveguide 3 is connected with the input end of the front end 4 of the antenna array. One in oneThe two-amplitude in-phase power divider 1, the multi-path reverse-phase power divider 2, the equivalent TE12, the 0-mode waveguide 3 and the front end 4 of the antenna array are connected into a whole through an upper metal plate 5 and a lower metal plate 6.
As shown in fig. 3 and 4, the one-half and two-half amplitude in-phase power divider 1 includes a periodic metal cylinder 11, the periodic metal cylinder 11 is used to connect the upper metal plate 5 and the lower metal plate 6, and all the periodic metal cylinders have the same size and shape.
As shown in fig. 2, 3, 6 and 7, the power divider 2 includes two TEs with the same size20A modulo inverting power divider 20. Wherein TE20The mode-inverting power divider 20 comprises two rows of first metal loads 21 and two rows of second metal loads 22, each of the first metal loads 21 has the same size, each of the second metal loads 22 meets the size gradient characteristic, and the first metal loads 21 and the second metal loads 22 are arranged in parallel along the longitudinal direction of the antenna array.
As shown in fig. 2, 3, 8, 9, 10, and 11, the equivalent TE12, 0-mode waveguide 3 includes four TEs of the same size30 A mode waveguide 30; the TE30The mode waveguide comprises two rows of third metal loads 31 with the same size, two rows of fourth metal loads 32 with gradually changed sizes, one row of fifth metal loads 33 with the same size and one row of sixth metal loads 34 with gradually changed sizes; the four TEs30The mode waveguides 30 are arranged in parallel along the transverse direction of the antenna array respectively; the third metal loads 31 and the two rows of fourth metal loads 32 with gradually changed sizes are arranged in parallel along the longitudinal direction of the antenna array; the fifth metal loading 33 and the two rows of sixth metal loading 34 with gradually changed sizes are arranged in parallel along the longitudinal direction of the antenna array; the third metal loading 31 and the fifth metal loading 33 have the same spacing along the transverse direction of the antenna array; the fourth metal loading 32 and the sixth metal loading 34 have the same spacing therebetween along the transverse direction of the antenna array.
As shown in fig. 2, 3 and 12, the front end 4 of the antenna array includes a plurality of first antenna units 41 and second antenna units 42 which are mirror images of each other; the first antenna unit 41 and the second antenna unit 42 are respectively composed of right-angled triangular structures with the same size of an upper metal plate and a lower metal plate; the first antenna element 41 and the second antenna element 42 are arranged at intervals along the antenna array in the transverse direction.
One-half and two-half amplitude same-phase power divider 1, multi-path reverse-phase power divider 2 and equivalent TE12,0The mode waveguide 3 and the front end 4 of the antenna array use the same periodic metal column as the periodic metal column 11.
One-half and two-half amplitude same-phase power divider 1, multi-path reverse-phase power divider 2 and equivalent TE12,0The dielectric substrate materials of the mode waveguide 3 and the front end 4 of the antenna array are Tastic TLY-5 materials.
The sizes of the loading units in the third metal loading 31 and the fifth metal loading 33 are consistent; the loading units in the fourth metal loading 32 and the sixth metal loading 34 are consistent in size; the adjacent center distance between the third metal loading 31 and the fifth metal loading 33 is the same as the adjacent center distance of the first antenna element 41 and the second antenna element 42.
The structure of the invention is an ultrathin metal layer based on printed circuit processing technology.
When the constant-amplitude in-phase output circuit is used, the constant-amplitude in-phase output of signals is realized by feeding at the excitation end. The excitation position is positioned at the input port of the one-half amplitude and two-half amplitude in-phase power divider 1, and feeding is carried out through connecting a 50-ohm coaxial connector. The multi-path inverting power divider 2 consists of two identical inverting power dividers (TE)20Mode inverting power divider 20), each TE20The mode-inverting power divider 20 comprises two rows of metal loads (first metal loads 21) with the same size and two rows of metal loads (second metal loads 22) with gradually-changed sizes, and high-purity TE is realized by adjusting the structures and the sizes of the metal loads20And (3) mode excitation is carried out, and the mode excitation is matched with a one-half and two-half amplitude cophase power divider 1, so that four paths of signals with adjacent channels and equal amplitude and opposite phase characteristics are output. Equivalent TE12,0The mode waveguide 3 includes four higher-order mode waveguides (TEs) having the same size30Mode waveguide 30), each higher order mode waveguide comprises two rows of metal loads with the same size (third metal load 31), two rows of metal loads with gradually changed sizes (fourth metal load 32), one row of metal loads with the same size (fifth metal load 33) and one row of metal loads with gradually changed sizes (sixth metal load 34), and the structure and the size of the metal loads are adjustedTo achieve high purity of TE30And (3) mode excitation is carried out, and twelve paths of signals with adjacent channels and equal-amplitude and opposite-phase characteristics are output by matching with a one-to-two equal-amplitude in-phase power divider 1 and a multi-path opposite-phase power divider 2. The front end 4 of the antenna array comprises a plurality of two antenna units (a first antenna unit 41 and a second antenna unit 42) which are mirror images of each other, each antenna unit is formed by stacking a right triangle of an upper metal plate and a right triangle of a lower metal plate and combining equivalent TE12,0Twelve paths of equal-amplitude reverse-phase signals output by the mode waveguide realize high-gain and low-cross polarization antenna radiation.
In the millimeter wave antenna array structure based on the periodically loaded metal columns, the one-half and two-half amplitude in-phase power divider 1 outputs signals to the multi-path reverse-phase power divider 2, so that four paths of signals with adjacent channels having equal-amplitude reverse-phase characteristics are output, and then equivalent TE is passed through12,0And the mode waveguide realizes the output of twelve paths of equal-amplitude reverse-phase signals, excites the linear array front ends 4 of the twelve units, effectively radiates the capacity to a free space, and realizes the wireless transmission of the signals. The process greatly simplifies the design difficulty and the processing complexity of the traditional one-to-multi-path power distribution network, thereby improving the processing robustness of the millimeter wave antenna array, being directly applied to various communication scenes and having higher flexibility; and the method has the advantages of simple design method, lower processing cost and convenient installation.
In order to verify the designed millimeter wave antenna array based on the periodically loaded metal columns, simulation is carried out by adopting CST software. Fig. 13 shows the radiation pattern of the designed antenna in the working frequency band. It can be seen that in the frequency band of 26.5-29.5 GHz, the radiation main beam has a gain of more than 15dBi, and the cross polarization level is more than 13 dB.
The millimeter wave antenna array based on the periodically loaded metal columns has the following advantages that:
1. the invention constructs the millimeter wave antenna array which can improve the thickness of the dielectric substrate on the premise of keeping the performance of the antenna, and compared with the existing millimeter wave antenna array, the thickness of the substrate can be improved by at least more than 4 times, thereby being beneficial to improving the mechanical strength of the whole structure of the antenna and reducing the possibility of deformation. And thicker substrates can also help reduce the impact of processing errors.
2. Compared with the existing power divider network, the whole network only needs to use one traditional one-to-two power divider and is matched with a plurality of TEs20Mode waveguide and TE30And the mode waveguide is used for realizing the distribution of one-to-ten-channels of signals. Due to TE20Mode waveguide and TE30Due to the mode characteristic of the mode waveguide, each output channel signal can have the constant amplitude characteristic in a working frequency band, and even if certain machining errors and mechanical deformation exist, the output signal can be kept stable.
3. The invention has simple design, low processing cost, convenient installation, easy integration and good universality, can be designed in different working frequency bands by adjusting the size structure, and is easy to popularize and apply.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (7)

1. A millimeter wave antenna array based on periodically loaded metal columns is characterized by comprising a one-to-two constant-amplitude in-phase power divider (1), a multi-path reverse-phase power divider (2) and an equivalent TE12,0A mode waveguide (3), an antenna array front end (4), an upper metal plate (5), a lower metal plate (6), periodic metal columns, a one-to-two equal-amplitude same-phase power divider (1), a multi-path reverse-phase power divider (2) and an equivalent TE12,0The mode waveguide (3) and the front end (4) of the antenna array are sequentially connected in series and are connected into a whole through an upper metal plate (5) and a lower metal plate (6), and the peripheries of the upper metal plate (5) and the lower metal plate (6) are connected through periodic goldConnecting the columns;
the one-to-two equal-amplitude and same-phase power divider (1) comprises a periodic metal cylinder (11) which is connected with an upper metal plate (5) and a lower metal plate (6), one end of the periodic metal cylinder (11) is contacted with the upper metal plate (5), and the other end of the periodic metal cylinder is contacted with the lower metal plate (6);
the multi-path inverting power divider (2) comprises two TEs with the same size20Mode-inverting power dividers (20) respectively arranged in parallel along the transverse direction of the antenna array, wherein the TE20The mode-inverting power divider (20) comprises two rows of first metal loads (21) with the same size and two rows of second metal loads (22) with gradually changed sizes, and the first metal loads (21) and the second metal loads (22) are arranged in parallel along the longitudinal direction of the antenna array;
the equivalent TE12,0The mode waveguide (3) includes four TEs of the same size30Mode waveguides (30) respectively arranged in parallel along the transverse direction of the antenna array, wherein TE30The mode waveguide comprises two rows of third metal loads (31) with the same size, two rows of fourth metal loads (32) with gradually changed sizes, one row of fifth metal loads (33) with the same size and one row of sixth metal loads (34) with gradually changed sizes, wherein the two rows of third metal loads (31) with the same size and the two rows of fourth metal loads (32) with gradually changed sizes are arranged in parallel along the longitudinal direction of the antenna array; the row of the fifth metal loads (33) with the same size and the row of the sixth metal loads (34) with gradually changed sizes are arranged in parallel along the longitudinal direction of the antenna array; the third metal loading (31) and the fifth metal loading (33) have the same spacing along the transverse direction of the antenna array; the fourth metal loading (32) and the sixth metal loading (34) have the same spacing along the transverse direction of the antenna array;
the front end (4) of the antenna array comprises a plurality of first antenna units (41) and second antenna units (42) which are mirror images of each other and are arranged at intervals along the transverse direction of the antenna array, wherein the first antenna units (41) and the second antenna units (42) are respectively composed of right-angled triangle structures with the same size in an upper metal plate (5) and a lower metal plate (6).
2. The periodically loaded metal pillar based millimeter wave antenna array of claim 1, wherein the series connection is by:
the output end of the one-to-two constant-amplitude in-phase power divider (1) is connected with the input end of the multi-path reverse-phase power divider (2);
the output end of the multi-path reverse phase power divider (2) and the equivalent TE12,0The input ends of the mode waveguides (3) are connected;
equivalent TE12,0The output end of the mode waveguide (3) is connected with the input end of the front end (4) of the antenna array.
3. The periodically loaded metal pillar based millimeter wave antenna array of claim 2, wherein the periodic metal pillars are all identical to the periodic metal cylinder (11).
4. The periodically loaded metal pillar based millimeter wave antenna array of claim 3, wherein the loading units in the third metal loading (31) and the fifth metal loading (33) are of the same size.
5. The periodically loaded metal pillar based millimeter wave antenna array of claim 4, wherein the loading elements in the fourth metal loading (32) and the sixth metal loading (34) are of the same size.
6. The periodically loaded metal pillar based millimeter wave antenna array of claim 5, wherein the adjacent center distance between the third metal loading (31) and the fifth metal loading (33) is the same as the adjacent center distance of the first antenna element (41) and the second antenna element (42).
7. The millimeter wave antenna array based on the periodically loaded metal columns as claimed in claim 6, wherein the one-to-two constant amplitude in-phase power divider (1), the multi-path reverse phase power divider (2), and the equivalent TE12,0The dielectric substrate materials of the mode waveguide (3) and the front end (4) of the antenna array are Taonic TLY-5 materials.
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Citations (6)

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Publication number Priority date Publication date Assignee Title
CN102856651A (en) * 2012-09-28 2013-01-02 重庆绿色智能技术研究院 Millimeter wave cylindrical surface conformal substrate integrated waveguide slot array antenna
CN106785288A (en) * 2016-12-21 2017-05-31 中国航空工业集团公司雷华电子技术研究所 A kind of three layers of multi-channel microwave power synthesis system based on substrate integration wave-guide
CN107221751A (en) * 2017-05-25 2017-09-29 南京理工大学 A kind of Sidelobe leaky wave frequency scanning antenna based on gap waveguide
CN107634345A (en) * 2017-10-24 2018-01-26 东南大学 A kind of high-gain gradual change slot array antenna suitable for 5G millimetre-wave attenuators
CN107946765A (en) * 2017-11-21 2018-04-20 南京濠暻通讯科技有限公司 A kind of high-gain Vivaldi array antennas for loading director
CN110429383A (en) * 2019-07-18 2019-11-08 南通大学 The SIW feed structure and aerial array of single input port

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102856651A (en) * 2012-09-28 2013-01-02 重庆绿色智能技术研究院 Millimeter wave cylindrical surface conformal substrate integrated waveguide slot array antenna
CN106785288A (en) * 2016-12-21 2017-05-31 中国航空工业集团公司雷华电子技术研究所 A kind of three layers of multi-channel microwave power synthesis system based on substrate integration wave-guide
CN107221751A (en) * 2017-05-25 2017-09-29 南京理工大学 A kind of Sidelobe leaky wave frequency scanning antenna based on gap waveguide
CN107634345A (en) * 2017-10-24 2018-01-26 东南大学 A kind of high-gain gradual change slot array antenna suitable for 5G millimetre-wave attenuators
CN107946765A (en) * 2017-11-21 2018-04-20 南京濠暻通讯科技有限公司 A kind of high-gain Vivaldi array antennas for loading director
CN110429383A (en) * 2019-07-18 2019-11-08 南通大学 The SIW feed structure and aerial array of single input port

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