CN109286081A - The broadband plane array antenna of feeding substrate integrated waveguide - Google Patents
The broadband plane array antenna of feeding substrate integrated waveguide Download PDFInfo
- Publication number
- CN109286081A CN109286081A CN201810874544.9A CN201810874544A CN109286081A CN 109286081 A CN109286081 A CN 109286081A CN 201810874544 A CN201810874544 A CN 201810874544A CN 109286081 A CN109286081 A CN 109286081A
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- feeding network
- floor
- radiation patch
- antenna
- substrate
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
Abstract
The invention discloses the broadband plane array antenna of feeding substrate integrated waveguide, mainly solve the problems, such as that existing aerial band width, structure is not compact and loss is big.The antenna is made of N number of linear array antenna of cross direction profiles and the feeding network of transverse set battle array, each linear array antenna includes radiator and line style feeding network two parts, radiator is made of metal layer at top 1, upper layer medium substrate 2 and metal connector 3, and metal layer at top is located at the upper surface of upper layer medium substrate；The line style feeding network includes upper floor 4, lower floor 5 and signal transmission passage 6, and upper floor is located at the upper surface of signal transmission passage, and is connected by metal connector with metal layer at top, and lower floor is located at the lower surface of signal transmission passage.The present invention uses the radiator and feeding substrate integrated waveguide mode of similar magnetoelectricity dipole structure, improves bandwidth of operation, reduces loss, compact-sized, can be applied to 5G communication and radar system.
Description
Technical field
The invention belongs to antenna technical fields, further relate to a kind of broadband plane array antenna, can be used for 5G communication
And radar system.
Background technique
With the development of social progress and technology, for realizing that antenna system high-performance, the demand of miniaturization are increasingly compeled
It cuts.Array antenna has a wide range of applications inside the electronic system of the numerous areas such as communication, navigation, radar, detection, Neng Goushi
Existing high-performance, the array antenna structure of miniaturization can necessarily bring good economic benefit and social benefit.
Although conventional microstrip planar array antenna has low section, the advantages of high-gain, with the raising of frequency, by
In the conductor losses of microstrip line itself, surface wave loss and dielectric loss increase, and antenna efficiency is caused to reduce；Waveguide array day
Linear heat generation rate capacity is big, but volume is big, causes to increase with the integrated difficulty of peripheral circuit.
Substrate integration wave-guide combines the good characteristic of two kinds of transmission lines of waveguide and micro-strip as a kind of new transmission line,
Planarize, be lost it is small, easy to process and integrated.Based on these good characteristics, so that substrate integration wave-guide is in array antenna design
In, extensive application.And the narrower bandwidth of traditional substrate integration wave-guide array antenna, size are larger, and therefore, broadband and small
The substrate integration wave-guide array antenna of type becomes the hot spot studied at present.
Paper " the 2x2 Microstrip Patch Antenna Array Fed by that Tomas Mikulasek has been delivered
A kind of integrated wave of substrate is proposed in Substrate Integrated Waveguide for Radar Applications "
The 2x2 microband paste planar array antenna of feed is led, the antenna is by utilizing feeding substrate integrated waveguide and slot-coupled energy
Measure to radiation patch, Shortcomings are: relative bandwidth is only 10%, and volume is larger, is unfavorable for integrated with peripheral circuit.
Summary of the invention
It is an object of the invention in view of the above shortcomings of the prior art, according to waveguide slot coupling theory, provide one kind
The broadband plane array antenna of feeding substrate integrated waveguide reduces the volume of array to increase the bandwidth of antenna, to be conducive to real
It is now integrated with peripheral circuit.
To achieve the above object, the broadband plane array antenna of a kind of feeding substrate integrated waveguide of the invention, is by edge
N number of linear array antenna of cross direction profiles and the feeding network composition of transverse set battle array, each linear array antenna includes radiation
Two parts of body and line style feeding network, the input port of each line style feeding network are exported with the feeding network of transverse set battle array
Port connection, the radiator include metal layer at top 1, upper layer medium substrate 2 and metal connector 3, and metal layer at top 1 is located at upper
The upper surface of layer medium substrate 2；The line style feeding network includes upper floor 4, lower floor 5 and signal transmission passage 6, upper layer
Floor 4 is located at the upper surface of signal transmission passage 6, and upper floor 4 is connected by metal connector 3 with metal layer at top 1, lower layer
Floor 5 is located at the lower surface of signal transmission passage 6, it is characterised in that:
The metal layer at top 1 has the arc electric dipole radiation patch of zigzag slot including M middle etch, and M's takes
Value is the integer more than or equal to 1；
The metal connector 3 is constituted short-circuit column 31 by being located at the M inside upper layer medium substrate 2, is used for transmission energy；
The upper floor 4 is etched with thereon along the alternately arranged M longitudinal slot of its longitudinal centre line, is used for from line
Type feeding network couples energy to radiation patch.
Further, the signal transmission passage 6 includes layer dielectric substrate 61 and channel 62；Channel 62 is by up and down four
A boundary is constituted, and up-and-down boundary is made of metal throuth hole that is two rows of parallel and penetrating through layer dielectric substrate 61, left border setting
For the input port of signal, right side boundary is made of vertical row's metal throuth hole, and is set as short-circuit port.
Further, the shape in gap is butterfly-shaped or rectangle or H-shaped longitudinally in each, in the geometry of two neighboring longitudinal slot
Distance in the heart is half of Medium Wave Guide wavelength, the geometric center of a longitudinal slot nearest from short-circuit port and short-circuit port
Distance be a quarter Medium Wave Guide wavelength integral multiple.
Further, the M radiation patch size is all the same, and the longitudinal centre line along upper floor 4 is alternately arranged；
Each radiation patch deviates the distance of the longitudinal centre line of upper floor 4 and the longitudinal center of longitudinal slot deviation upper floor 4
The distance of line is identical.
Further, each radiation patch passes through a pair of short-circuit column 31 and is connected with upper floor 4, and each pair of short-circuit column 31 is
It is symmetrically distributed in the longitudinal centre line two sides of connected radiation patch.
Compared with the prior art, the present invention has the following advantages:
First, the present invention is due to there is the arc electric dipole radiation patch of zigzag slot using middle etch, so that radiation
Body has the structure similar with magnetoelectricity dipole, and the operating mode of antenna is similar to magnetoelectricity dipole antenna, has similar
Pattern characteristics, broader bandwidth and gain stabilization.
Second, the present invention etches longitudinal slot coupling energy to the feed side of radiator due to using in upper floor
Formula, can be convenient the minor level requirement according to needed for practical application and main lobe wave beam requirement it is comprehensive go out required excitation amplitude
Distribution, so that the structure of array antenna is more compact, and can effectively carry out array scale extending transversely.
Third, the present invention reduce loss caused by feeding network since feeding network uses substrate integrated wave guide structure,
And then the efficiency of antenna is increased, and entire antenna is made to possess broader impedance bandwidth.
Detailed description of the invention
Fig. 1 is broadband plane array antenna overall structure figure of the invention；
Fig. 2 is the linear array antenna structure view in the present invention, wherein figure (a) is its side view, figure (b) is bowed for it
View；
Fig. 3 is the radiating element schematic diagram in the present invention；
Fig. 4 is 4 × 4 unit exemplary construction schematic diagram of Wide band array antenna of feeding substrate integrated waveguide of the present invention；
Fig. 5 is the face normalization E and H side gains directional diagram at centre frequency of the embodiment of the present invention；
Fig. 6 is return loss of embodiment of the present invention result figure varying with frequency；
Fig. 7 is gain of embodiment of the present invention result figure varying with frequency；
Fig. 8 is efficiency of embodiment of the present invention result figure varying with frequency.
Specific embodiment
In the following with reference to the drawings and specific embodiments, present invention is further described in detail:
Referring to Fig.1, the broadband plane array antenna of feeding substrate integrated waveguide of the invention, it is N number of by what is be transversely distributed
Linear array antenna and the feeding network of transverse set battle array composition, the feeding network of transverse set battle array use substrate integration wave-guide or ground connection
The form of co-planar waveguide GCPW or micro-strip or other planar power distribution structures, each linear array antenna include radiator and
Two parts of line style feeding network, the input port of each line style feeding network with the feeding network output port of transverse set battle array
Connection, radiator and line style feeding network are all made of the realization of multilayer printed circuit board technique.
The described radiator, including metal layer at top 1, upper layer medium substrate 2 and metal connector 3, metal layer at top 1
In the upper surface of upper layer medium substrate 2；The metal layer at top 1 has the arc electric dipole of zigzag slot including M middle etch
Radiation patch, the value of M are the integer more than or equal to 1；The metal connector 3 is by being located at the M inside upper layer medium substrate 2 to short
Road column 31 is constituted, and is used for transmission energy.
The line style feeding network, including upper floor 4, lower floor 5 and signal transmission passage 6, upper floor 4 are located at
The upper surface of signal transmission passage 6, upper floor 4 are connected by metal connector 3 with metal layer at top 1, and lower floor 5 is located at
The lower surface of signal transmission passage 6；It is etched in the above-mentioned upper floor 4 longitudinal along its longitudinal centre line alternately arranged M
Gap, i.e. these gaps are arranged along the direction of propagation of the electromagnetic wave in signal transmission passage 6, are used for from line style feeding network coupling
Energy is closed to radiation patch.The shape in gap is butterfly or rectangle or H-shaped longitudinally in each, longitudinally in each the size in gap and its
The distance for deviateing the longitudinal centre line of upper floor 4 is all the same, and the excitation amplitude that need to need to obtain according to each radiation patch is true
Fixed, the excitation amplitude that each radiation patch needs to obtain is according to completing Array Design target and the amplitude distribution that uses determines.
Distance between the geometric center of two neighboring longitudinal slot is half of waveguide wavelength, a longitudinal slot nearest from short-circuit port
With the integral multiple at a distance from short-circuit port being a quarter waveguide wavelength.
Referring to Fig. 2 (a), which includes layer dielectric substrate 61 and channel 62；Channel 62 is by up and down
Four boundaries are constituted, and up-and-down boundary is made of metal throuth hole that is two rows of parallel and penetrating through layer dielectric substrate 61, and left border is set
It is set to the input port of signal, right side boundary is made of vertical row's metal throuth hole, and is set as short-circuit port.
Referring to Fig. 2 (b), the diameter of above-mentioned each metal throuth hole is D, and the spacing at two neighboring metal throuth hole center is S,
Its value range are as follows: S≤2 × D.
The M radiation patch size is all the same, and the longitudinal centre line along upper floor 4 is alternately arranged；Each spoke
Penetrate patch deviate upper floor 4 longitudinal centre line distance, with longitudinal slot deviate upper floor 4 longitudinal centre line away from
From identical.
The M is all the same to short-circuit 31 size of column, and each short circuit column material uses metallic copper, diameter d are as follows: and d >=
0.2mm；Each radiation patch passes through a pair of short-circuit column 31 and is connected with upper floor 4, and each pair of short-circuit column 31 is symmetrical
In the longitudinal centre line two sides of the radiation patch connected.
Referring to Fig. 3, the centre offers the arc electric dipole radiation patch of zigzag slot, and the first short side width is
W5, the second short side width are W6, and the length in the first gap is L1, width W1, and the length in the second gap is L2, width W2,
The length in third gap is L3, and width W3, the length in the 4th gap is L4, and width W4, the length in the first gap is L1, wide
Degree is W1.
One embodiment of the present of invention is given below, to further illustrate effect of the invention, but the present invention does not limit to
In the present embodiment.
Referring to Fig. 4, the broadband plane array antenna of the feeding substrate integrated waveguide of the present embodiment, by what is be transversely distributed
4 linear array antennas and the feeding network of transverse set battle array composition.Each linear array antenna etches on floor 4 vertical at the middle and upper levels
It is butterfly to the shape in gap；The diameter D=0.56mm of the metal throuth hole of layer dielectric substrate 61 is penetrated through, two neighboring metal is logical
Interval S=the 0.8mm at hole center；The diameter of short-circuit column 31 inside upper layer medium substrate 2 is d=0.25mm；Middle etch
The quantity M=4 of the arc electric dipole radiation patch of zigzag slot, and the size of each radiation patch is all the same, radiation patch
Each parameter specific value for being included, such as table 1.
The parameter of 1 radiating element of table
| Parameter | W5 | W6 | L1 | W1 | L2 |
| Numerical value/mm | 2.8 | 4.4 | 1.6 | 1 | 2.4 |
| Parameter | L3 | W3 | L4 | W4 | W2 |
| Numerical value/mm | 3 | 2.5 | 3.5 | 3.5 | 1.9 |
The structural relation of each component is as previously described.
It is the emulation experiment to this example below:
1, simulation software: business simulation software HFSS_15.0.
2, emulation content:
Emulation 1 carries out simulation calculation using far field radiation pattern of the above-mentioned software to the present embodiment, obtains antenna and exist
The face E of 28GHz and H surface radiation directional diagram, as a result as shown in Figure 5.By figure 5 above as it can be seen that the cross polarization of antenna -25dB with
Under, backward radiation is in -20dB hereinafter, it can be seen that the cross polarization and backward radiation of antenna have obtained apparent inhibition.
Emulation 2 carries out simulation calculation using return wave loss parameter of the above-mentioned software to the present embodiment, as a result as shown in Figure 6.
As seen from Figure 6, using return loss≤- 10dB as standard, the bandwidth of operation of antenna is 25.7GHz~31GHz,
28GHz is center frequency, and antenna relative bandwidth is 18.9%, and bandwidth is significantly improved.
Emulation 3 carries out simulation calculation using gain parameter of the above-mentioned software to the present embodiment, as a result as shown in Figure 7.
By figure 7 above as it can be seen that antenna is in bandwidth of operation 25.7GHz~31GHz, gain are as follows: 14.9 ± 1.2dB.
Emulation 4 carries out simulation calculation using efficiency of the above-mentioned software to above-described embodiment, as a result as shown in Figure 8.
By figure 8 above as it can be seen that antenna is in bandwidth of operation 25.7GHz~31GHz, efficiency is 88% or more.
Above simulation result explanation, inventive antenna is in the case where guaranteeing the good situation of bandwidth of operation, gain stabilization, efficiency compared with
Height, and cross polarization and backward radiation have obtained obvious inhibition.
Claims (8)
1. the broadband plane array antenna of feeding substrate integrated waveguide is N number of linear array antenna and cross by being transversely distributed
It is formed to the feeding network of group battle array, each linear array antenna includes two parts of radiator and line style feeding network, each
The input port of line style feeding network is connect with the feeding network output port of transverse set battle array, which includes top metal
Layer (1), upper layer medium substrate (2) and metal connector (3), metal layer at top (1) are located at the upper table of upper layer medium substrate (2)
Face；The line style feeding network includes upper floor (4), lower floor (5) and signal transmission passage (6), and upper floor (4) is located at
The upper surface of signal transmission passage (6), upper floor (4) are connected by metal connector (3) with metal layer at top (1), lower layer
Floor (5) is located at the lower surface of signal transmission passage (6), it is characterised in that:
The metal layer at top (1) has the arc electric dipole radiation patch of zigzag slot, the value of M including M middle etch
For the integer more than or equal to 1；
The metal connector (3) is constituted short-circuit column (31) by being located at upper layer medium substrate (2) internal M, is used for transmission energy
Amount；
The upper floor (4) is etched with thereon along the alternately arranged M longitudinal slot of its longitudinal centre line, is used for from line style
Feeding network couples energy to radiation patch.
2. antenna according to claim 1, which is characterized in that the signal transmission passage (6) includes layer dielectric substrate
(61) and channel (62)；Channel (62) is made of four boundaries up and down, and up-and-down boundary is situated between by two rows of parallel and perforation lower layer
The metal throuth hole of matter substrate (61) is constituted, and left border is set as the input port of signal, and right side boundary is by vertical row gold
Belong to through-hole composition, and is set as short-circuit port.
3. antenna according to claim 1 or 2, it is characterised in that: the shape in gap is butterfly-shaped or rectangle longitudinally in each
Or H-shaped, the distance between the geometric center of two neighboring longitudinal slot are half of Medium Wave Guide wavelength, nearest from short-circuit port one
The geometric center of a longitudinal slot is the integral multiple of a quarter Medium Wave Guide wavelength at a distance from short-circuit port.
4. antenna according to claim 1, it is characterised in that: the size in gap and its deviation upper floor longitudinally in each
(4) distance of longitudinal centre line is all the same, is determined according to the excitation amplitude that each radiation patch needs to obtain, each radiation
Patch needs the excitation amplitude obtained according to completing Array Design target and the amplitude distribution that uses determines.
5. antenna according to claim 1, which is characterized in that the M radiation patch size is all the same, along upper layer
The longitudinal centre line on floor (4) is alternately arranged；Each radiation patch deviates the distance of the longitudinal centre line of upper floor (4) and indulges
The distance for deviateing the longitudinal centre line of upper floor (4) to gap is identical.
6. antenna according to claim 1, which is characterized in that each radiation patch pass through a pair of short-circuit column (31) with it is upper
Layer floor (4) is connected, and each pair of short-circuit column (31) is symmetrically distributed in the longitudinal centre line two sides of connected radiation patch.
7. antenna according to claim 1, which is characterized in that the radiator and line style feeding network are all made of multilayer print
Circuit-board processes processed are realized.
8. antenna according to claim 1, which is characterized in that the feeding network of the transverse set battle array, it is integrated using substrate
The form of waveguide or coplanar waveguide ground GCPW or micro-strip or other planar power distribution structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810874544.9A CN109286081A (en) | 2018-08-03 | 2018-08-03 | The broadband plane array antenna of feeding substrate integrated waveguide |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810874544.9A CN109286081A (en) | 2018-08-03 | 2018-08-03 | The broadband plane array antenna of feeding substrate integrated waveguide |
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| CN201810874544.9A Pending CN109286081A (en) | 2018-08-03 | 2018-08-03 | The broadband plane array antenna of feeding substrate integrated waveguide |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571523A (en) * | 2019-09-06 | 2019-12-13 | 深圳大学 | Three-wire polarized antenna with large frequency ratio |
| WO2021072168A1 (en) * | 2019-10-09 | 2021-04-15 | Wavesense, Inc. | Micro-antenna arrays |
| CN113540803A (en) * | 2020-04-14 | 2021-10-22 | 华为技术有限公司 | Series feed antenna, communication equipment and method for manufacturing series feed antenna |
| CN113782960A (en) * | 2021-09-08 | 2021-12-10 | 中国人民解放军军事科学院战争研究院 | Orthogonal linear polarization miniaturized common-caliber antenna |
| CN114156643A (en) * | 2021-11-29 | 2022-03-08 | 杭州电子科技大学 | Ultra-wideband millimeter wave planar spiral circularly polarized antenna array |
| CN114649658A (en) * | 2020-12-18 | 2022-06-21 | 安波福技术有限公司 | Waveguide with slot-fed dipole elements |
| CN114649659A (en) * | 2020-12-18 | 2022-06-21 | 安波福技术有限公司 | Waveguide with sawtooth shape for grating lobe suppression |
| CN114784492A (en) * | 2022-04-20 | 2022-07-22 | 曲阜师范大学 | Miniaturized SIW high-gain magnetoelectric dipole antenna array |
| CN115117612A (en) * | 2022-06-10 | 2022-09-27 | 中车长春轨道客车股份有限公司 | Broadband millimeter wave magnetic electric dipole antenna based on SIW feed |
| CN116995439A (en) * | 2023-09-28 | 2023-11-03 | 华诺星空技术股份有限公司 | Waveguide slot antenna, phased array antenna and design method |
| CN109888511B (en) * | 2019-04-15 | 2023-12-08 | 上海几何伙伴智能驾驶有限公司 | Circularly polarized microstrip panel antenna |
| US11949145B2 (en) | 2021-08-03 | 2024-04-02 | Aptiv Technologies AG | Transition formed of LTCC material and having stubs that match input impedances between a single-ended port and differential ports |
| US11962085B2 (en) | 2021-05-13 | 2024-04-16 | Aptiv Technologies AG | Two-part folded waveguide having a sinusoidal shape channel including horn shape radiating slots formed therein which are spaced apart by one-half wavelength |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120280770A1 (en) * | 2011-05-06 | 2012-11-08 | The Royal Institution For The Advancement Of Learning/Mcgill University | Tunable substrate integrated waveguide components |
| CN103594779A (en) * | 2013-11-22 | 2014-02-19 | 电子科技大学 | Substrate integrated antenna for millimeter wave frequency band and array antenna thereof |
| US20170346170A1 (en) * | 2016-05-26 | 2017-11-30 | Delphi Technologies, Inc. | Antenna device with accurate beam elevation control useable on an automated vehicle |
| CN107819203A (en) * | 2017-09-29 | 2018-03-20 | 深圳大学 | A kind of magnetoelectricity dipole antenna of super surface dielectric plate |
-
2018
- 2018-08-03 CN CN201810874544.9A patent/CN109286081A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120280770A1 (en) * | 2011-05-06 | 2012-11-08 | The Royal Institution For The Advancement Of Learning/Mcgill University | Tunable substrate integrated waveguide components |
| CN103594779A (en) * | 2013-11-22 | 2014-02-19 | 电子科技大学 | Substrate integrated antenna for millimeter wave frequency band and array antenna thereof |
| US20170346170A1 (en) * | 2016-05-26 | 2017-11-30 | Delphi Technologies, Inc. | Antenna device with accurate beam elevation control useable on an automated vehicle |
| CN107819203A (en) * | 2017-09-29 | 2018-03-20 | 深圳大学 | A kind of magnetoelectricity dipole antenna of super surface dielectric plate |
Non-Patent Citations (1)
| Title |
|---|
| ZHANG ET AL.: "Wideband W-Band Substrate-Integrated Waveguide Magnetoelectric (ME) Dipole Array Antenna", 《IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION》 * |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888511B (en) * | 2019-04-15 | 2023-12-08 | 上海几何伙伴智能驾驶有限公司 | Circularly polarized microstrip panel antenna |
| CN110571523A (en) * | 2019-09-06 | 2019-12-13 | 深圳大学 | Three-wire polarized antenna with large frequency ratio |
| WO2021072168A1 (en) * | 2019-10-09 | 2021-04-15 | Wavesense, Inc. | Micro-antenna arrays |
| CN113540803A (en) * | 2020-04-14 | 2021-10-22 | 华为技术有限公司 | Series feed antenna, communication equipment and method for manufacturing series feed antenna |
| CN114649659B (en) * | 2020-12-18 | 2023-09-29 | 安波福技术有限公司 | Sawtooth waveguide with grating lobes for suppression |
| CN114649658A (en) * | 2020-12-18 | 2022-06-21 | 安波福技术有限公司 | Waveguide with slot-fed dipole elements |
| CN114649659A (en) * | 2020-12-18 | 2022-06-21 | 安波福技术有限公司 | Waveguide with sawtooth shape for grating lobe suppression |
| US11901601B2 (en) | 2020-12-18 | 2024-02-13 | Aptiv Technologies Limited | Waveguide with a zigzag for suppressing grating lobes |
| US11962085B2 (en) | 2021-05-13 | 2024-04-16 | Aptiv Technologies AG | Two-part folded waveguide having a sinusoidal shape channel including horn shape radiating slots formed therein which are spaced apart by one-half wavelength |
| US11949145B2 (en) | 2021-08-03 | 2024-04-02 | Aptiv Technologies AG | Transition formed of LTCC material and having stubs that match input impedances between a single-ended port and differential ports |
| CN113782960A (en) * | 2021-09-08 | 2021-12-10 | 中国人民解放军军事科学院战争研究院 | Orthogonal linear polarization miniaturized common-caliber antenna |
| CN114156643B (en) * | 2021-11-29 | 2022-08-16 | 杭州电子科技大学 | Ultra-wideband millimeter wave planar spiral circularly polarized antenna array |
| CN114156643A (en) * | 2021-11-29 | 2022-03-08 | 杭州电子科技大学 | Ultra-wideband millimeter wave planar spiral circularly polarized antenna array |
| CN114784492B (en) * | 2022-04-20 | 2023-08-11 | 曲阜师范大学 | Miniaturized SIW high-gain magnetic electric dipole antenna array |
| CN114784492A (en) * | 2022-04-20 | 2022-07-22 | 曲阜师范大学 | Miniaturized SIW high-gain magnetoelectric dipole antenna array |
| CN115117612A (en) * | 2022-06-10 | 2022-09-27 | 中车长春轨道客车股份有限公司 | Broadband millimeter wave magnetic electric dipole antenna based on SIW feed |
| CN116995439A (en) * | 2023-09-28 | 2023-11-03 | 华诺星空技术股份有限公司 | Waveguide slot antenna, phased array antenna and design method |
| CN116995439B (en) * | 2023-09-28 | 2023-12-15 | 华诺星空技术股份有限公司 | Waveguide slot antenna, phased array antenna and design method |
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Application publication date: 20190129 |