CN108232439A - A kind of the linear array antenna and planar array antenna of chip integrated waveguide slot feed - Google Patents
A kind of the linear array antenna and planar array antenna of chip integrated waveguide slot feed Download PDFInfo
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- CN108232439A CN108232439A CN201711446546.XA CN201711446546A CN108232439A CN 108232439 A CN108232439 A CN 108232439A CN 201711446546 A CN201711446546 A CN 201711446546A CN 108232439 A CN108232439 A CN 108232439A
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- array antenna
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- rectangular channel
- chip integrated
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- 239000000758 substrate Substances 0.000 claims abstract description 49
- 239000002184 metal Substances 0.000 claims abstract description 25
- 229910052751 metal Inorganic materials 0.000 claims abstract description 25
- 230000010354 integration Effects 0.000 claims abstract description 21
- 230000008054 signal transmission Effects 0.000 claims abstract description 8
- 230000005855 radiation Effects 0.000 claims abstract description 7
- 230000005284 excitation Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000001465 metallisation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000000644 propagated effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005684 electric field Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 5
- 235000013399 edible fruits Nutrition 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000005388 cross polarization Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- 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
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
- H01Q13/106—Microstrip slot antennas
-
- 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
-
- 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
- H01Q21/064—Two dimensional planar arrays using horn or slot aerials
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses the linear array antenna and planar array antenna of a kind of chip integrated waveguide slot feed, wherein linear array antenna includes two parts of radiating element and feeding network, and radiating element is fixed on feeding network top using plane patch；Feeding network is line style substrate integrated wave guide structure, including the signal transmission passage with signal input part, closing is carried out in the end of signal transmission passage and forms short-circuit face；The row's rectangular channel arranged along signal transmission direction is opened up on the intermediate metal layer for forming substrate integration wave-guide；Metal layer at top is circular patch, which includes the thin microstrip line of two semicircle pasters of two semicircle pasters and connection；The rectangular channel of feeding network is located between two semicircle pasters.For the circular patch structure that the present invention uses in operation principle, the circular patch can be equivalent into three effective gap radiation sources on direction of an electric field, E surface wave beam widths can be more effectively narrowed, so as to achieve the effect that improve antenna gain.
Description
Technical field
The present invention relates to the array antennas that electronic field more particularly to a kind of chip integrated waveguide slot are fed.
Background technology
With the development of social progress and technology, the demand for realizing electronic system high-performance, miniaturization is 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.
Individual antenna unit with higher gain is very attractive inside the application of large-scale array.Currently, no matter
It is in trailer-mounted radar or millimeter-wave communication system, millimeter wave array antenna will be all widely adopted, for millimeter wave array day
The research of line is also carried out on a large scale.As critical device, the performance of the various aspects of millimeter wave array antenna, such as ruler
Very little, gain, work loan etc. will all generate the framework of entire millimeter-wave systems, performance etc. important influence.
Also there is following one or more problems in specific application in before published related millimeter wave antenna：
1st, group battle array is difficult, it is more difficult to form the antenna array of extensive high-gain；
2nd, feeding network is complicated, and the loss introduced by feeding network is excessive；
3rd, feeding network occupied area is larger, and entire antenna structure is not compact enough；
4th, the bandwidth of antenna is narrow；
5th, in needing phased scanning or being applied using the system of multi-beam framework, higher gain and larger scanning range exist
Certain contradiction, it is difficult to accomplish to take into account.
Therefore, current millimeter wave array antenna is also urgently to be resolved hurrily there are problem above.
Invention content
The technical problems to be solved by the invention are in view of the deficiency of the prior art, and to provide a kind of size more
Small, gain bigger and bandwidth broader a kind of the linear array antenna and planar array antenna of chip integrated waveguide slot feed.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of linear array antenna of chip integrated waveguide slot feed, includes two parts of radiating element and feeding network, institute
It states radiating element and the feeding network top is fixed on using plane patch；The radiating element includes metal layer at top and first
Layer dielectric substrate；The feeding network uses substrate integration wave-guide, including intermediate metal layer, second layer dielectric substrate and bottom gold
Belong to layer；It is characterized in that：
The feeding network is line style substrate integrated wave guide structure, including the signal transmission passage with signal input part, is being believed
The end of number transmission channel carries out closing and forms short-circuit face；It is opened up on the intermediate metal layer for forming substrate integration wave-guide along signal
One row's rectangular channel of transmission direction arrangement, the distance between two neighboring rectangle groove center are a waveguide wavelength, all rectangular channels
The same side of substrate integration wave-guide along the longitudinal centerline is respectively positioned on, with a distance from a rectangular channel nearest from short-circuit face and short-circuit face
Integral multiple for a quarter waveguide wavelength；
The metal layer at top is circular patch, which includes the thin of two semicircle pasters of two semicircle pasters and connection
Microstrip line；
The rectangular channel of the feeding network is located between two semicircle pasters, and the thin microstrip line is orthogonal with the rectangular channel and square
Shape slot is overlapped with the center of thin microstrip line；The feeding network is outside by the energy propagated in substrate integration wave-guide by rectangular channel
Circular patch described in radiation excitation.
The signal transmission passage is formed by the plated-through hole or metallization slot of two rows of parallel perforation dielectric substrates, and two
It is signal input part to arrange the plated-through hole of parallel perforation dielectric substrate or the one end for the slot that metallizes, in two rows of parallel perforations
The plated-through hole or metallization slot of dielectric substrate penetrate through the plated through-hole of dielectric substrate using a row or the slot that metallizes is closed, shape
Into short-circuit structure.
A rectangular aperture is additionally provided in the semicircle paster, the subtle band is centrally located in the rectangular aperture
Line, the both sides of thin microstrip line are respectively formed parallel rectangular channel in the rectangular aperture.
The length of each rectangular channel in the feeding substrate integrated waveguide network and its deviation substrate integration wave-guide are indulged
It is determined to the distance of center line according to the excitation amplitude that each circular patch needs obtain, what each circular patch needs obtained swashs
Amplitude is encouraged according to completing Array Design target and the amplitude distribution that uses determines.
Radiating element and feeding network are realized using multilayer printed circuit board technique.
A kind of planar array antenna of chip integrated waveguide slot feed, which is characterized in that described in use is any of the above-described
Linear array antenna is as submatrix, and along group formation is laterally carried out into planar array, the input port connection of each submatrix is laterally
The output port of the feeding network of group battle array.
The structure of the feeding network of transverse set battle array uses substrate integration wave-guide or micro-strip form.
A kind of array antenna provided by the invention, using the realization of multilayer printed circuit board technique, radiating element and transmission network
Network uses the structure of stack, can realize the compact of array antenna structure, meanwhile, the simple feed of substrate integration wave-guide line style
Structure can effectively lower the loss introduced by feeding network, and readily can form larger rule using corresponding linear array
The face battle array of mould designs the millimeter wave array antenna of high-gain；In addition, single radiating element can be in only big increase bore ruler
Higher gain is obtained in the case of very little, so as to which gain can be taken into account simultaneously as possible in the use of scanning array or multiple-beam array
And scanning range.In addition to this, entire antenna possesses wider bandwidth.
Compared with prior art, the circular patch used in the present invention is because be operated under higher pattern, electric size
（Electric size, that is, actual size is than upper operation wavelength）It is bigger than common circular patch electric size, while linear array employs a wave
Guide wavelength（Conventional waveguide slot array antenna or the general gap length of chip integrated waveguide slot array antenna are half of waveguide wave
It is long）Divide the distance between slit centers, therefore on the group battle array direction of linear array as excitation circular patch, the array element number of half
It can obtain beam angle close with traditional structure.Meanwhile the circular patch structure that uses of the present invention is in operation principle, one
A circular patch can be equivalent into three effective gap radiation sources on direction of an electric field, and traditional patch it is general it is equivalent into
Two effective gap radiation sources, therefore E surface wave beam widths can be more effectively narrowed, so as to reach the effect for improving antenna gain
Fruit.Narrower feeder line both sides introduce slot structure in the present invention, can effectively adjust entire antenna by changing the size of slot
Impedance, so as to fulfill impedance matching.In addition to this, compared with other are using the array antenna design of cutler feed, using substrate
The feeding classification of integrated waveguide longitudinal slot cutler feed circular patch, can easily according to needed for practical application secondary lobe electricity
Flat requirement and main lobe wave beam requirement synthesis go out required excitation amplitude distribution, then by controlling feeding substrate integrated waveguide network
In each rectangular channel length and its deviate the distance of substrate integration wave-guide longitudinal centre line, it is each round cause with this
The excitation amplitude of the acquisition of patch meets above-mentioned required array amplitude distribution requirement, and then reduces the pair of entire array antenna
Valve, while can realize overall compact array antenna structure, and can be effectively by array scale to extending transversely.Also
Have, feeding network uses substrate integrated wave guide structure, is lost caused by can reducing feeding network, entire antenna possesses wider
Bandwidth.
Description of the drawings
Fig. 1 array antenna multilayered structure schematic diagrames provided by the invention；
The array antenna schematic diagram of Fig. 2 chip integrated waveguide slot feeds provided by the invention；
The array antenna radiating element schematic diagram of Fig. 3 chip integrated waveguide slot feeds provided by the invention；
The array antenna radiation feeding network schematic diagram of Fig. 4 chip integrated waveguide slot feeds provided by the invention；
The array antenna of Fig. 5 chip integrated waveguide slot feeds provided by the invention carries out the schematic diagram of face battle array group battle array；
One 4 × unit 8 event structure schematic diagram of array antenna of Fig. 6 chip integrated waveguide slot feeds provided by the invention；
Array antenna 1 × unit 8 example of Fig. 7 chip integrated waveguide slot feeds provided by the invention | S11| experiment knot
Fruit；
The experiment knot of the gain of array antenna 1 × unit 8 example of Fig. 8 chip integrated waveguide slot feeds provided by the invention
Fruit；
The E faces directional diagram experiment of array antenna 1 × unit 8 example of Fig. 9 chip integrated waveguide slot feeds provided by the invention
As a result；
The H faces directional diagram of array antenna 1 × unit 8 example of Figure 10 chip integrated waveguide slot feeds provided by the invention is real
Test result.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is every
According to technological thought proposed by the present invention, any change done on the basis of technical solution belongs to the model that the present invention protects
It encloses.
Attached drawing 1- attached drawings 5 are please referred to, a kind of array antenna of chip integrated waveguide slot feed includes radiating element and feedback
Two parts of electric network, radiating element use plane patch form, and feeding network uses the form of substrate integration wave-guide；Overall knot
Structure realizes that radiating element and supply network road are not realized on same layer dielectric substrate, level using multilayer printed circuit board technique
Comprising two layer medium substrate in structure, three-layer metal layer, a paste medium layer, respectively metal layer at top 1, the from top to bottom
One layer of dielectric substrate 2, paste medium layer 3, intermediate metal layer 4, second layer dielectric substrate 5, bottom metal layers 6；At radiating element
In metal layer at top 1, using the form of circular metal patch 15, feeding network is from the central part of each circular patch of bottom excitation
Position；It is linear structure in feeding substrate integrated waveguide network, by intermediate metal layer 4, second layer dielectric substrate 5, bottom metal layers 6
It is formed with blind hole 10, all blind holes use structure 7.Signal enters from Single port, and another port is close using row's plated through-hole
It closes, forms short-circuit face 8.Rectangular channel 9 is opened on the intermediate metal layer of substrate integration wave-guide metal layer at top i.e. total,
The energy propagated in substrate integration wave-guide is encouraged with this by the circular patch 15 positioned at top layer to external radiation by rectangular channel 9；Position
It is longitudinal rectangular channel in the rectangular channel 9 in substrate integration wave-guide metal layer at top, i.e. slot integrates wave along electromagnetic field in substrate
Direction of propagation arrangement in leading, is a waveguide wavelength per the fore-and-aft distance between two neighboring rectangle groove center, all rectangular channels 9
Be respectively positioned on substrate integration wave-guide along the longitudinal centerline 13 the same side, one nearest from the short-circuit face 8 that plated-through hole is formed
The distance in rectangular channel and short-circuit face 8 is the integral multiple of a quarter waveguide wavelength；Each it is located at substrate integration wave-guide top metal
Rectangular channel 9 on layer i.e. total intermediate metal layer encourages a circular patch 15 for being located at metal layer at top.It is round
Patch 15 has dug up two rectangular channels above so that entire circular patch structure appear as two semicircular patchs centrally through
The connected structure of one thin microstrip line 11, wherein the rectangular channel 9 encouraged is overlapped with the center of thin microstrip line 11, it is orthogonal on position；
In order to obtain good impedance matching effect, two can also be dug up respectively close to the both sides of intermediate thin microstrip line in circular patch
A rectangular channel so that form the structure 12 similar to co-planar waveguide；It as shown in Figure 6, can also easily will be foregoing
Along the array that line style is arranged as submatrix 14, group formation is carried out into planar array, the input port of each submatrix 14 along lateral
The output port of the feeding network of transverse set battle array is connected, the structure of the feeding network of transverse set battle array may be used substrate and integrate wave
It leads, the diversified forms such as micro-strip.
In order to verify the authenticity of array antenna provided by the invention and reliability, spy has made one 1 × 8 in W-waveband
The example of linear array and 4 × 8 faces battle array (attached drawing 6) are verified.Related experiment result as shown in attached drawing 7- attached drawings 10,
In, attached drawing 7 the results show that the simulation value and test value of the impedance bandwidth of the example antenna relatively coincide, it was demonstrated that it has
Wider impedance bandwidth；Attached drawing 8 the results show that the simulation value and test value of the gain of the example antenna relatively coincide, and its
With wider 3dB gain bandwidths, the antenna efficiency of emulation is also higher；Attached drawing 9 and attached drawing 10 the results show that the example day
The emulation of line and measurement direction figure coincide, while cross polarization is also than relatively low very much.Therefore, from the experiment knot of attached drawing 7- attached drawings 10
Fruit can verify the correctness and validity of dependency structure proposed by the present invention.
Above example is merely illustrative of the invention's technical idea, it is impossible to protection scope of the present invention is limited with this, it is every
According to technological thought proposed by the present invention, any change done on the basis of technical solution each falls within the scope of the present invention
Within.
Claims (7)
1. a kind of linear array antenna of chip integrated waveguide slot feed, comprising two parts of radiating element and feeding network,
The radiating element is fixed on the feeding network top using plane patch；The radiating element includes metal layer at top and the
One layer of dielectric substrate；The feeding network uses substrate integration wave-guide, including intermediate metal layer, second layer dielectric substrate and bottom
Metal layer；It is characterized in that：
The feeding network is linear type substrate integrated wave guide structure, including the signal transmission passage with signal input part,
The end of signal transmission passage carries out closing and forms short-circuit face；It is opened up on the intermediate metal layer for forming substrate integration wave-guide along letter
One row's rectangular channel of number transmission direction arrangement, the distance between two neighboring rectangle groove center are a waveguide wavelength, all rectangles
Slot is respectively positioned on the same side of substrate integration wave-guide along the longitudinal centerline, a rectangular channel nearest from short-circuit face and short-circuit face away from
From the integral multiple for a quarter waveguide wavelength；
The metal layer at top is circular patch, which includes the thin of two semicircle pasters of two semicircle pasters and connection
Microstrip line；
The rectangular channel of the feeding network is located between two semicircle pasters, and the thin microstrip line is orthogonal with the rectangular channel and square
Shape slot is overlapped with the center of thin microstrip line；The feeding network is outside by the energy propagated in substrate integration wave-guide by rectangular channel
Circular patch described in radiation excitation.
2. the array antenna of chip integrated waveguide slot feed as described in claim 1, which is characterized in that the signal transmission
Channel is formed by the plated-through hole or metallization slot of two rows of parallel perforation dielectric substrates, two rows of parallel perforation dielectric substrates
Plated-through hole or the slot that metallizes one end for signal input part, in the plated-through holes of two rows of parallel perforation dielectric substrates
Or metallization slot penetrates through the plated through-hole of dielectric substrate using a row or the slot that metallizes is closed, forms short-circuit structure.
3. the array antenna of chip integrated waveguide slot feed as described in claim 1, which is characterized in that pasted in the semicircle
A rectangular aperture is additionally provided in piece, the thin microstrip line is centrally located in the rectangular aperture, it is thin in the rectangular aperture
The both sides of microstrip line are respectively formed parallel rectangular channel.
4. the array antenna of chip integrated waveguide slot feed as described in claim 1, which is characterized in that the substrate integrates
The length of each rectangular channel in feed network for waveguide and the distance of its deviation substrate integration wave-guide longitudinal centre line are according to every
The excitation amplitude that a circular patch needs obtain determines that the excitation amplitude that each circular patch needs obtain is set according to array is completed
Meter target and the amplitude distribution that uses determine.
5. the linear array antenna of chip integrated waveguide slot feed as described in claim 1, which is characterized in that radiating element
It is realized with feeding network using multilayer printed circuit board technique.
6. a kind of planar array antenna of chip integrated waveguide slot feed, which is characterized in that using any institutes of claim 1-5
The linear array antenna stated is as submatrix, and along group formation is laterally carried out into planar array, the input port of each submatrix connects
The output port of the feeding network of transverse set battle array.
7. planar array antenna according to claim 6, which is characterized in that the structure of the feeding network of transverse set battle array uses
The form of substrate integration wave-guide, micro-strip or other planar power distribution structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711446546.XA CN108232439B (en) | 2017-12-27 | 2017-12-27 | Linear array antenna and planar array antenna of substrate integrated waveguide slot feed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711446546.XA CN108232439B (en) | 2017-12-27 | 2017-12-27 | Linear array antenna and planar array antenna of substrate integrated waveguide slot feed |
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| Publication Number | Publication Date |
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| CN108232439A true CN108232439A (en) | 2018-06-29 |
| CN108232439B CN108232439B (en) | 2024-01-30 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109818145A (en) * | 2019-03-21 | 2019-05-28 | 东南大学 | A kind of the fluting circular patch antenna and array of vertical folding |
| CN113328266A (en) * | 2021-03-30 | 2021-08-31 | 西安理工大学 | Substrate integrated waveguide antenna array |
| WO2021208901A1 (en) * | 2020-04-14 | 2021-10-21 | 华为技术有限公司 | Series-fed antenna, communication device, and method for manufacturing series-fed antenna |
| CN114171909A (en) * | 2021-12-09 | 2022-03-11 | 四川九洲电器集团有限责任公司 | SIW (substrate integrated waveguide) circularly polarized monopulse antenna |
| US20230092871A1 (en) * | 2021-09-17 | 2023-03-23 | City University Of Hong Kong | Substrate integrated waveguide-fed fabry-perot cavity filtering wideband millimeter wave antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114171909A (en) * | 2021-12-09 | 2022-03-11 | 四川九洲电器集团有限责任公司 | SIW (substrate integrated waveguide) circularly polarized monopulse antenna |
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| CN108232439B (en) | 2024-01-30 |
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