CN107275768A - The low sidelobe antenna array of work(point feeding network is not waited based on micro-strip ridge gap waveguide - Google Patents
The low sidelobe antenna array of work(point feeding network is not waited based on micro-strip ridge gap waveguide Download PDFInfo
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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
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
- H01Q21/0037—Particular feeding systems linear waveguide fed arrays
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
- H01Q21/0075—Stripline fed arrays
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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
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Abstract
The invention discloses a kind of low sidelobe antenna array for not waiting work(to divide feeding network based on micro-strip ridge gap waveguide, it is made up of radiating layer dielectric-slab, clearance layer and feed layer dielectric-slab, the electric wall of plated-through hole formation on radiation medium layer constitutes cavity-backed radiator antenna submatrix together with 2 × 2 radiating slots, and submatrix periodic arrangement constitutes radiating antenna array；Bottom does not wait work(point feeding network array-fed to radiating antenna via coupling gap；The air gap of certain altitude is left between feed layer dielectric-slab and radiating layer dielectric-slab.The low sidelobe antenna array for not waiting work(point feeding network based on micro-strip ridge gap waveguide of the present invention, solve the problems, such as that micro-strip ridge gap waveguide does not wait amplitude weighting distribution and the phase matched of work(point feeding network, have simultaneously simple in construction, it is easy of integration, processing is simple, and size is small, with wide, insertion loss is small, the advantages of structural behaviour is stable.
Description
Technical field
The present invention relates to electronic technology field, and in particular to one kind does not wait work(point transmission network based on micro-strip ridge gap waveguide
The low sidelobe antenna array of network.
Background technology
For millimere-wave band, particularly more than 60GHz frequency range, the planar transmission line such as conventional microstrip line and co-planar waveguide line
Due to dispersion and the loss of dielectric material, higher insertion loss will be produced, and traditional rectangular waveguide and coaxial transmission line exists
There is the problem of machining technique is complicated, with high costs, integrated level is low in millimere-wave band.
2009, professor P.-S.Kildal of Sweden was published in IEEE antennas and radio transmission bulletin (AWPL) 2009
" waveguide (the Local based on local Meta Materials in the gap between parallel metal sheet on 84-87 pages of volume 8
Metamaterial-based waveguides in gaps between parallel metal plates) " in propose between
Gap waveguide GWG (Gap waveguide) transmission line technology, as the evolution of conventional metals waveguide, with low transmission loss, it is low plus
The characteristic such as work cost and high integration, is widely used in millimeter-wave systems.Gap waveguide is broadly divided into following three kinds of forms：
Microstrip type gap waveguide, ridge gap waveguide and groove profile gap waveguide.Wherein microstrip type gap waveguide due to its integration it is good, this
Class formation can combine microstrip line or substrate integration wave-guide carries out antenna feeding network design with the most extensive, it is also possible to
Circuit connection in device design and system.
2014, Seyed Ali Razavi and Per-Simon Kildal were in IEEE transactions on
" 2 × 2-Slot has been delivered on antennas and propagation periodicals (vol.62, no.9, september 2014)
element for 60-GHz planar array antenna realized on two doubled-sided PCBs
using SIW cavity and EBG-type soft surface fed by microstrip-ridge gap
Proposed in waveguide ", text with integrated 2 × 2 cavity-backed radiator antenna of substrate as submatrix, and by power splitters such as multiple one point four of GWG
Cascade as feed structure, realize 8 × 8 element array antennas, its secondary lobe level (SLL) in 57-66GHz frequency bands about-
13.3dB。
Set from the foregoing, it will be observed that although prior art realizes micro-strip ridge gap waveguide as the aerial array of feeding network
The unequal power distribution feed of micro-strip ridge gap waveguide is not referred in meter, but above-mentioned article and existing disclosed article patent
The realization of network and Sidelobe technology.
The content of the invention
It is an object of the invention to provide a kind of Sidelobe for not waiting work(to divide feeding network based on micro-strip ridge gap waveguide
Aerial array.
The technical solution for realizing the object of the invention is：One kind does not wait work(point transmission network based on micro-strip ridge gap waveguide
The low sidelobe antenna array of network, including radiation submatrix, radiating layer dielectric-slab, clearance layer, feed layer dielectric-slab, micro-strip ridge, electromagnetism
Band gap EBG, rectangular waveguide-GWG transformational structures, metal ground plane；
The lower section of the radiating layer dielectric-slab sets feed layer dielectric-slab, between radiating layer dielectric-slab and feed layer dielectric-slab
Clearance layer is set, and the upper surface of radiating layer dielectric-slab sets the radiation submatrix of array arrangement, and the radiation submatrix is periodic arrangement；
The lower surface of the feed layer dielectric-slab sets metal level, and the metal level is metal ground plane, feed layer medium
Micro-strip ridge, electro-magnetic bandgap EBG and rectangular waveguide-GWG transformational structures are set on plate；Micro-strip ridge and rectangular waveguide-GWG transformational structures
It is connected, constitutes feeding network, the two periphery sets the electro-magnetic bandgap EBG of periodic arrangement, and the lower surface of feed layer dielectric-slab is set
Metal level, the metal level is metal ground plane.
Compared with prior art, its remarkable advantage is the present invention：1) it is of the invention based on micro-strip ridge gap waveguide
The low sidelobe antenna array of work(point feeding network provides the implementation method of a kind of low sidelobe antenna array arrangement and feed, solves
Micro-strip ridge gap waveguide does not wait amplitude weighting distribution and the phase matched problem of work(point feeding network；2) it is of the invention based on
Micro-strip ridge gap waveguide does not wait the low sidelobe antenna array of work(point feeding network to be applied to low frequency and high-frequency circuit, particularly milli
The Sidelobe problem of VHF band aerial array；3) it is of the invention that the low of work(point feeding network is not waited based on micro-strip ridge gap waveguide
Sidelobe antenna Array transfer excellent performance, with wider bandwidth of operation and relatively low insertion loss, while having section low, easy
The characteristics of process, low manufacturing cost.
Brief description of the drawings
Fig. 1 is shown for the structure of the low sidelobe antenna array for not waited power division network based on micro-strip ridge gap waveguide of the present invention
It is intended to.
Fig. 2 is the physical dimension schematic diagram of one embodiment of the radiation submatrix 1 on radiating layer dielectric-slab 2 of the present invention.
Fig. 3 for feed layer dielectric-slab 4 of the present invention one embodiment top view, its on symmetry axis AA ' symmetrically, in figure
Merely illustrate left-half therein.
Fig. 4 is that wherein one-level one-to-two work(divides one embodiment of phase modulation minor matters 407 on feed layer dielectric-slab 4 of the present invention
Structural representation.
Fig. 5 is the physical dimension schematic diagram of one-level one-to-two work(of the present invention point phase modulation minor matters 407, and wherein Fig. 5 (a) is structure
Figure, Fig. 5 (b) is size marking schematic diagram.
Fig. 6 is the S parameter amplitude and gain analogous diagram of the embodiment of the present invention 1.
Fig. 7 is the E surface radiations direction analogous diagram of the embodiment of the present invention 1.
Fig. 8 is the H surface radiations direction analogous diagram of the embodiment of the present invention 1.
Embodiment
With reference to accompanying drawing, a kind of low sidelobe antenna for not waiting work(to divide feeding network based on micro-strip ridge gap waveguide of the invention
Array, including radiation submatrix 1, radiating layer dielectric-slab 2, clearance layer 3, feed layer dielectric-slab 4, micro-strip ridge 404, electro-magnetic bandgap
EBG405, rectangular waveguide-GWG transformational structures 406, metal ground plane 5；
The lower section of the radiating layer dielectric-slab 2 sets feed layer dielectric-slab 4, radiating layer dielectric-slab 2 and feed layer dielectric-slab 4
Between clearance layer 3 is set, the upper surface of radiating layer dielectric-slab 2 sets the radiation submatrix 1 of array arrangement, and the radiation submatrix 1 is week
Phase arranges；
Micro-strip ridge 404, electro-magnetic bandgap EBG405 and rectangular waveguide-GWG transformational structures are set on the feed layer dielectric-slab 4
406；Micro-strip ridge 404 is connected with rectangular waveguide-GWG transformational structures 406, constitutes feeding network, and the two periphery sets periodic arrangement
Electro-magnetic bandgap EBG405, the lower surface of feed layer dielectric-slab 4 sets metal level, and the metal level is metal ground plane 5.
The radiation submatrix 1 is that 2*2 radiates submatrix, and the dielectric-slab upper surface of radiation submatrix 1 is set on metal level, metal level
2*2 radiating slot 101 is provided with, four walls of each radiation submatrix 1 are respectively provided with periodicity plated-through hole 103, each radiator
The lower surface of battle array 1, which is set, is provided with coupling gap 102 on metal level, the metal level, couple center and the radiation submatrix 1 in gap 102
Center superposition.
The micro-strip ridge 404 is made up of metal micro-strip line 401 and plated-through hole, and plated-through hole is distributed on metal micro-strip
On line 401.
The electro-magnetic bandgap EBG405 includes being respectively provided with correspondence on plated-through hole and metal patch, each plated-through hole
Metal patch 403.
The dielectric material that the clearance layer 3 is less than 2 by dielectric constant is filled, and the height of clearance layer 3 is less than 0.25 wavelength,
Gap layer 3 is filled by air.
The micro-strip ridge 404 includes an input port, feed output port 408 and some one-to-two work(point phase modulation branch
Section 407, wherein input port is connected with rectangular waveguide-GWG transformational structures 406, and rectangular waveguide-GWG transformational structures 406 are by passing
Defeated line is connected with one-to-two work(point phase modulation minor matters 407, and one-to-two work(is divided to two output ends of phase modulation minor matters 407 respectively by correspondence
Transmission line be connected with next stage one-to-two work(point phase modulation minor matters, by that analogy, afterbody one-to-two work(divides phase modulation minor matters
Output end is feed output port 408, coupling gap of each feed output port 408 with a radiation lower surface of submatrix 1
102 is corresponding.
Each one-to-two work(is divided to phase modulation minor matters 407 to include input branch road, two output branch roads, phase matched blocks
409th, phase matched otch 410 and two phase compensation fillets 411, one end of phase matched block 409 set phase matched otch
410, the other end of phase matched block 409 is connected with input branch road, and the otch two ends of phase matched otch 410 respectively set a phase
Position compensation fillet 411, each phase compensation fillet 411 is connected with corresponding output branch road, wherein input branch road and output branch
The corresponding transmission lines of Lu Junyu are connected；
The input branch road of wherein first order one-to-two work(point phase modulation minor matters 407 connects with rectangular waveguide-GWG transformational structures 406
Connect, the output port of afterbody one-to-two work(point phase modulation minor matters 407 is feed output port 408；The phase matched otch
410 are shaped as inverted trapezoidal.
The phase matched block 409 a length of aL, a width of aW, the width aW of phase matched block are more than the width l4 of transmission line,
W5/w4 value can be adjusted by changing the size and relative position of phase matched block 409 and phase matched otch 410, and then be changed
The power distribution ratio of output port, wherein w4 is connection output branch road P2 micro-strip width, and w5 is connection output branch road P3's
Micro-strip width, w5/w4 ratio is bigger, and the power ratio on two output branch roads is bigger；Change the radius of phase compensation fillet 411
R1, r2, can be by the phase adjusted of two output branch road outputs to same phase, and wherein r1 is the phase compensation circle close to output branch road P2
Angular radius, r2 is the phase compensation radius of corner close to output branch road P3；The long aL=1.1mm of phase adjusted structure, wide aW
=0.8mm, the width l4=0.45mm of transmission line, connection output branch road P2 micro belt line width w4=0.25mm, connection output
Branch road P3 micro belt line width w5=0.5mm, close to output branch road P2 phase compensation radius of corner r1=0.2mm, close to defeated
Out branch P3 phase compensation radius of corner r2=0.75mm.
The feed output port 408 is M*N, and wherein M, N are positive integer；M*N feed output port corresponding one
The series for dividing two work(point phase modulation minor matters 407 is K grades, wherein 2K=M*N, the number of correspondence one-to-two work(point phase modulation minor matters is (M*
N-1 it is) individual；Each feed output port 408 corresponds to a radiation submatrix 1, that is, it is also M*N, radiation medium plate to radiate submatrix 1
2 have been evenly distributed in the upper surface 2M*2N radiating slot, and the lower surface of radiation medium plate 2 is evenly equipped with M*N coupling gap.It is preferred that, M=
2, N=16, K=5.
The low sidelobe antenna Array transfer performance for not waiting work(point feeding network based on micro-strip ridge gap waveguide of the present invention
Outstanding, with wider bandwidth of operation and relatively low insertion loss, while having, section is low, easy processing is integrated, manufacturing cost is low
The characteristics of.
Further detailed description is done to the present invention with reference to embodiment.
Embodiment 1
Fig. 1 shows the one embodiment for the low sidelobe antenna array for not waiting power division network based on micro-strip ridge gap waveguide
Structural representation, including radiation submatrix 1, radiating layer dielectric-slab 2, clearance layer 3, feed layer dielectric-slab 4, micro-strip ridge 404, electromagnetism
Band gap EBG 405, rectangular waveguide-GWG transformational structures 406, metal ground plane 5；
The lower section of the radiating layer dielectric-slab 2 sets feed layer dielectric-slab 4, radiating layer dielectric-slab 2 and feed layer dielectric-slab 4
Between clearance layer 3 is set, the upper surface of radiating layer dielectric-slab 2 sets the radiation submatrix 1 of array arrangement, and the radiation submatrix is the cycle
Arrangement；
Micro-strip ridge 404, electro-magnetic bandgap EBG 405 and rectangular waveguide-GWG Change-over knots are set on the feed layer dielectric-slab 4
Structure 406；Micro-strip ridge 404 is connected with rectangular waveguide-GWG transformational structures 406, constitutes feeding network, and the two periphery sets the cycle to arrange
The electro-magnetic bandgap EBG 405 of row；The lower surface of feed layer dielectric-slab 4 sets metal level, and the metal level is metal ground plane 5；
The clearance layer 3 is air filling, and wall 3 can also be less than the medium of dielectric-slab 2 by other dielectric constants
Material is filled, according to the operation principle of gap waveguide, and the height of wall 3 need to be less than 0.25 wavelength.
Fig. 2 shows the top view of radiation submatrix and the dimensional drawing of one embodiment, and radiation submatrix 1 is that 2*2 radiates submatrix, its
Dielectric-slab upper surface is set and is provided with 2*2 radiating slot 101 on metal level, metal level, and four walls of each radiation submatrix are respectively provided with
Periodicity plated-through hole 103, the lower surface of each radiation submatrix 1, which is set, is provided with coupling gap on metal level, the metal level
102, couple center and the center superposition of radiation submatrix in gap.
With reference to Fig. 3-Fig. 5, the micro-strip ridge 404 includes input port, feed output port and some one-to-two work(point
Phase modulation minor matters 407, wherein input port are connected with rectangular waveguide-GWG transformational structures 406, rectangular waveguide-GWG transformational structures 406
It is connected by transmission line with one-to-two work(point phase modulation minor matters 407, one-to-two work(is divided to two output ends of phase modulation minor matters 407 to lead to respectively
Corresponding transmission line is crossed with next stage one-to-two work(point phase modulation minor matters to be connected, by that analogy, afterbody one-to-two work(point phase modulation
The output end of minor matters is feed output port 408, coupling slot of each feed output port with a radiation submatrix lower surface
Gap is corresponding, and to meet Taylor's amplitude distribution, phase identical and right on symmetry axis AA ' for the amplitude of each feed output port
Claim；
One-to-two work(is divided to phase modulation minor matters 407 to include input branch road, two output branch roads, phase matched block 409, phases
With otch 410 and two phase compensation fillets 411, one end of phase matched block 409 sets phase matched otch 410, the other end
It is connected with input branch road, the otch two ends of phase matched otch 410 respectively set a phase compensation fillet 411, and each phase is mended
Fillet 411 is repaid with corresponding output branch road to be connected；Wherein first order one-to-two work(divides the input branch road and rectangle of phase modulation minor matters
Waveguide-GWG transformational structures are connected, and the output port of afterbody work(point phase modulation minor matters is feed output port 408；The phase
Match otch 410 is shaped as inverted trapezoidal；
It is M*N to feed output port 408, and the number of correspondence one-to-two work(point phase modulation minor matters is (M*N-1), each feed
Output port corresponds to a radiation submatrix 1, that is, it is also M*N to radiate submatrix, and radiation medium plate 2 has been evenly distributed in the upper surface 2M*2N
Individual radiating slot, radiation medium plate lower surface is evenly equipped with M*N coupling gap, and wherein M, N is M=in positive integer, the present embodiment
2, N=16；The series of the corresponding one-to-two work(point phase modulation minor matters 407 of M*N feed output port is K grades, wherein 2K=M*N,
K=5 in the present embodiment.
With reference to Fig. 5, the phase matched block 409 a length of aL, a width of aW, the width aW of phase matched block 409 are more than transmission
The width l4 of line, changing the size and relative position of phase matched block 409 and phase matched otch 410 can adjust w5/w4's
Value, and then change the power distribution ratio of output port, wherein w4 exports branch road P2 micro-strip width for connection, and w5 is defeated to connect
Out branch P3 micro-strip width, w5/w4 ratio is bigger, and the power ratio on two output branch roads is bigger；Change phase compensation fillet
411 radius r1, r2, can be by the phase adjusted of two output branch road outputs to same phase, and wherein r1 is close to output branch road P2
Phase compensation radius of corner, r2 is the phase compensation radius of corner close to output branch road P3；The long aL=of phase adjusted structure
1.1mm, wide aW=0.8mm, the width l4=0.45mm of transmission line, connection output branch road P2 micro belt line width w4=
0.25mm, connection output branch road P3 micro belt line width w5=0.5mm, close to output branch road P2 phase compensation radius of corner r1
=0.2mm, close to output branch road P3 phase compensation radius of corner r2=0.75mm.
The low sidelobe antenna array stereochemical structure of power division network is not waited based on micro-strip ridge gap waveguide as shown in figure 1, spoke
The structure of radiating slot submatrix and relevant dimensions on layer dielectric-slab are penetrated as shown in Fig. 2 feed layer dielectric-slab structure such as Fig. 3 institutes
Show, the structure and size of the one-to-two work(point phase modulation minor matters on feed layer dielectric-slab are as shown in Figure 4, Figure 5.Radiating layer dielectric-slab is adopted
With relative dielectric constant 2.2, the RogersRT5880 media of loss angle tangent 0.0009, size is 80mm × 16mm in embodiment
× 0.508mm, feed layer dielectric-slab uses relative dielectric constant for 3.55, and loss angle tangent is 0.0027 RogersRO4003
Dielectric material, size is 80mm × 20mm × 0.406mm.Clearance layer fills air, and thickness is 0.2mm.Radiating slot submatrix is each
Dimensional parameters are as follows：W=3.6mm, L=4.6mm, w1=1.59mm, l1=2.33mm, w2=1.02mm, l2=1.58mm, w3
=0.35mm, l3=1.2mm；One-to-two work(point each dimensional parameters of phase modulation minor matters are as follows：AL=1.1mm, aW=0.8mm, w4=
0.25mm, w5=0.5mm, r1=0.2mm, r2=0.75mm, R=0.45mm, a=0.125mm, b=0.2mm.
The present embodiment, which is based on micro-strip ridge gap waveguide unequal power divider, to be built in electromagnetic simulation software HFSS.13
Imitate genuine.Fig. 6 is the S parameter for the low sidelobe antenna array for not waiting power division network in this example based on micro-strip ridge gap waveguide
And gain curve analogous diagram, it can be seen that in millimeter wave frequency band 91.5GHz-96.5GHz, it is of the invention based on micro-
The impedance operator for not waiting the low sidelobe antenna array of power division network that there is S11 to be less than -10dB with ridge gap waveguide, center frequency point
Gain fluctuation is no more than 3dBi in maximum gain 26.3dBi at 94GHz, frequency band.
Fig. 7, Fig. 8 are respectively low sidelobe antenna array E faces, H faces based on the micro-strip ridge gap waveguide power division network such as not
Radiation direction analogous diagram, as can be seen from Figure, the secondary lobe level of aerial array are better than -20dB.
In summary, the present invention does not wait the low sidelobe antenna array of work(point feeding network based on micro-strip ridge gap waveguide,
Realize it is a kind of based on micro-strip ridge gap waveguide, suitable for low frequency and high-frequency circuit, particularly millimere-wave band, Stability Analysis of Structures,
Transmission performance is good, size is small, section is low, easy processing is integrated, manufacturing cost is low, broadband, low-loss, the aerial array of Sidelobe.
Claims (10)
1. a kind of low sidelobe antenna array for not waiting work(to divide feeding network based on micro-strip ridge gap waveguide, it is characterised in that bag
Include radiation submatrix [1], radiating layer dielectric-slab [2], clearance layer [3], feed layer dielectric-slab [4], micro-strip ridge [404], electro-magnetic bandgap
EBG [405], rectangular waveguide-GWG transformational structures [406], metal ground plane [5]；
The lower section of the radiating layer dielectric-slab [2] sets feed layer dielectric-slab [4], radiating layer dielectric-slab [2] and feed layer medium
Clearance layer [3] is set between plate [4], and the upper surface of radiating layer dielectric-slab [2] sets the radiation submatrix [1] of array arrangement, the spoke
Submatrix [1] is penetrated for periodic arrangement；
Micro-strip ridge [404], electro-magnetic bandgap EBG [405] and rectangular waveguide-GWG Change-over knots are set on the feed layer dielectric-slab [4]
Structure [406]；Micro-strip ridge [404] is connected with rectangular waveguide-GWG transformational structures [406], constitutes feeding network, and the two periphery is set
The electro-magnetic bandgap EBG [405] of periodic arrangement, the lower surface of feed layer dielectric-slab [4] sets metal level, and the metal level connects for metal
Ground level [5].
2. the low sidelobe antenna battle array according to claim 1 for not waiting work(to divide feeding network based on micro-strip ridge gap waveguide
Row, it is characterised in that radiation submatrix [1] is that 2*2 radiates submatrix, and the dielectric-slab upper surface of radiation submatrix [1] sets metal level, gold
2*2 radiating slot [101] is provided with category layer, four walls for each radiating submatrix [1] are respectively provided with periodicity plated-through hole
[103], each the lower surface of radiation submatrix [1] sets and coupling gap [102] is provided with metal level, the metal level, couples gap
[102] center and the center superposition of radiation submatrix [1].
3. the low sidelobe antenna battle array according to claim 1 for not waiting work(to divide feeding network based on micro-strip ridge gap waveguide
Row, it is characterised in that micro-strip ridge [404] is made up of metal micro-strip line [401] and plated-through hole, and plated-through hole is distributed on gold
Belong on microstrip line [401].
4. the low sidelobe antenna battle array according to claim 1 for not waiting work(to divide feeding network based on micro-strip ridge gap waveguide
Row, it is characterised in that electro-magnetic bandgap EBG [405] includes being respectively provided with plated-through hole and metal patch, each plated-through hole
Corresponding metal patch [403].
5. the low sidelobe antenna battle array according to claim 1 for not waiting work(to divide feeding network based on micro-strip ridge gap waveguide
Row, it is characterised in that the dielectric material that clearance layer [3] is less than 2 by dielectric constant is filled, the height of clearance layer [3] is less than 0.25
Wavelength, clearance layer [3] is filled by air.
6. the low sidelobe antenna battle array according to claim 3 for not waiting work(to divide feeding network based on micro-strip ridge gap waveguide
Row, it is characterised in that the micro-strip ridge [404] includes an input port, feed output port [408] and some one-to-two
Work(point phase modulation minor matters [407], wherein input port is connected with rectangular waveguide-GWG transformational structures [406], and rectangular waveguide-GWG turns
Structure [406] is changed by transmission line with one-to-two work(point phase modulation minor matters [407] to be connected, one-to-two work(point phase modulation minor matters [407]
Two output ends are connected by corresponding transmission line with next stage one-to-two work(point phase modulation minor matters respectively, by that analogy, last
The output end of level one-to-two work(point phase modulation minor matters is feed output port [408], each feed output port [408] with one
The coupling gap [102] for radiating submatrix [1] lower surface is corresponding.
7. the low sidelobe antenna battle array according to claim 6 for not waiting work(to divide feeding network based on micro-strip ridge gap waveguide
Row, it is characterised in that each one-to-two work(is divided to phase modulation minor matters [407] to include input branch road, two output branch roads, phase matcheds
Block [409], phase matched otch [410] and two phase compensation fillets [411], one end of phase matched block [409] set phase
Position matching otch [410], the other end of phase matched block [409] is connected with input branch road, the otch of phase matched otch [410]
Two ends respectively set a phase compensation fillet [411], and each phase compensation fillet [411] is connected with corresponding output branch road,
Wherein input branch road is connected with output branch road with corresponding transmission line；
Wherein the input branch road of first order one-to-two work(point phase modulation minor matters [407] connects with rectangular waveguide-GWG transformational structures [406]
Connect, the output port of afterbody one-to-two work(point phase modulation minor matters [407] is feed output port [408]；The phase matched
Otch [410] is shaped as inverted trapezoidal.
8. the low sidelobe antenna battle array according to claim 7 for not waiting work(to divide feeding network based on micro-strip ridge gap waveguide
Row, it is characterised in that the phase matched block [409] a length of aL, a width of aW, the width aW of phase matched block are more than transmission line
Width l4, changing the size and relative position of phase matched block [409] and phase matched otch [410] can adjust w5/w4's
Value, and then change the power distribution ratio of output port, wherein w4 exports branch road P2 micro-strip width for connection, and w5 is defeated to connect
Out branch P3 micro-strip width, w5/w4 ratio is bigger, and the power ratio on two output branch roads is bigger；Change phase compensation fillet
[411] radius r1, r2, can be by the phase adjusted of two output branch road outputs to same phase, and wherein r1 is close to output branch road P2
Phase compensation radius of corner, r2 is the phase compensation radius of corner close to output branch road P3；The long aL of phase adjusted structure
=1.1mm, wide aW=0.8mm, the width l4=0.45mm of transmission line, connection output branch road P2 micro belt line width w4=
0.25mm, connection output branch road P3 micro belt line width w5=0.5mm, close to output branch road P2 phase compensation radius of corner r1
=0.2mm, close to output branch road P3 phase compensation radius of corner r2=0.75mm.
9. the low sidelobe antenna battle array according to claim 6 for not waiting work(to divide feeding network based on micro-strip ridge gap waveguide
Row, it is characterised in that feed output port [408] is M*N, wherein M, N are positive integer；M*N feed output port correspondence
The series of one-to-two work(point phase modulation minor matters [407] be K grades, wherein 2K=M*N, the number of correspondence one-to-two work(point phase modulation minor matters
It is individual for (M*N-1)；Each feed output port [408] corresponds to a radiation submatrix [1], that is, it is also M*N to radiate submatrix [1]
Individual, radiation medium plate [2] has been evenly distributed in the upper surface 2M*2N radiating slot, and radiation medium plate [2] lower surface is evenly equipped with M*N coupling
Joint close gap.
10. the low sidelobe antenna battle array according to claim 9 for not waiting work(to divide feeding network based on micro-strip ridge gap waveguide
Row, it is characterised in that M=2, N=16, K=5.
Priority Applications (1)
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| CN107834188A (en) * | 2017-11-27 | 2018-03-23 | 南京华讯方舟通信设备有限公司 | The high-gain Vivaldi antenna elements and aerial array of miniature size |
| CN109599657A (en) * | 2018-11-29 | 2019-04-09 | 安徽大学 | It is a kind of based on antenna array and function divide feeding network integrated design towards 5G base-station antenna array and its design method |
| CN109980363A (en) * | 2017-12-28 | 2019-07-05 | 华为技术有限公司 | Array antenna based on substrate integration wave-guide |
| CN111641032A (en) * | 2019-03-01 | 2020-09-08 | 南京理工大学 | Single-pulse antenna array based on gap waveguide |
| CN112436295A (en) * | 2021-01-28 | 2021-03-02 | 南京理工大学 | Millimeter wave high-gain high-radiation-efficiency slot antenna array based on ridge gap waveguide |
| CN112655114A (en) * | 2020-07-29 | 2021-04-13 | 华为技术有限公司 | Gap waveguide antenna structure and electronic device |
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| CN116014454A (en) * | 2022-11-29 | 2023-04-25 | 电子科技大学 | Low sidelobe high XPD millimeter wave gap waveguide slot array antenna |
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| CN114899614A (en) * | 2022-05-11 | 2022-08-12 | 西南交通大学 | Metamaterial dual-frequency filtering antenna |
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| CN115395251A (en) * | 2022-09-30 | 2022-11-25 | 上海交通大学 | Circular polarization integrated filter antenna array based on hybrid feed network |
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Application publication date: 20171020 |