CN108461919A - A kind of multifrequency microstrip antenna and its impedance matching adjusting method - Google Patents
A kind of multifrequency microstrip antenna and its impedance matching adjusting method Download PDFInfo
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- CN108461919A CN108461919A CN201810160257.1A CN201810160257A CN108461919A CN 108461919 A CN108461919 A CN 108461919A CN 201810160257 A CN201810160257 A CN 201810160257A CN 108461919 A CN108461919 A CN 108461919A
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- dielectric
- slab
- bullion
- metal patch
- probe
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
-
- 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
- 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
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a kind of multifrequency microstrip antenna and its impedance matching adjusting methods.Including：Dielectric-slab, probe, bullion, metal patch；Bullion is printed on dielectric-slab upper surface；Probe passes through one end of dielectric-slab connection bullion, the other end to connect feed port.The impedance realizes impedance matching of the wideband than the multifrequency antenna of range with adjusting method by the position of change probe location and bullion, length.The advantage of the invention is that：Can fabulous impedance matching be realized in two frequency ranges simultaneously, single port output, the function of inputting multiple frequency band signals can be achieved, while antenna can realize that double-fed is fed, circular polarisation is functional, design structure is simple, realize processing efficient, to the material parameter and formal parameter of two layer medium without particular/special requirement, engineering is easily realized, realize the wide dual-band antenna design of frequency ratio range, this method has universality simultaneously, can be used for double-fed design, it can also be used to single feedback design.
Description
Technical field
The invention belongs to antenna technical field, more particularly to a kind of multifrequency microstrip antenna and its impedance matching adjusting method.
Background technology
Antenna is the important component in wireless communication system, has and is transformed into the guided wave propagated on transmission line
The ability for the electromagnetic wave propagated in unbounded medium.Microstrip antenna is a kind of important antenna form, and electricity is carried out by radiation patch
The transmitting-receiving of magnetic wave, performance simple in structure are good.
With the continuous development of antenna, a kind of multifrequency microstrip antenna is suggested.The antenna of the form can be worked at the same time two
The different frequency range of kind, radiates circularly polarised wave, while the signal of different frequency range is communicated by the same port with radio-frequency front-end.
In the late four decades, scholars both domestic and external study and improve the theory and design of multifrequency microstrip antenna.One of which
Main design method is realized by using the form of stacked microstrip antenna, and two layers of microband paste is respectively operated in different frequencies
Section, upper layer antenna are fed by the direct-connected mode of probe, and the mode of lower layer's antenna through hole coupling is fed.Probe
The impedance matching of position and multiple frequency ranges have it is inevitable contact, in order to realize the impedance matching of multiple frequency ranges, following several sides
Formula is suggested：One, realize that patch matches simultaneously up and down by the position of mobile upper layer patch, this method major defect is pasted for upper layer
Piece offset lower layer's patch center influences its antenna radiation performance, and it is preferably double that another aspect this method is not used to circular polarisation performance
Feedback design；Two, fluting load etc. processing are carried out to patch and realize that matching, same this method influence the radiance of antenna, also without
Method is designed for double-fed；Three, compromise is handled, and this method can not realize that two frequency band matchs are good, influence radiance simultaneously；Four,
Optimize the material parameter and formal parameter of levels dielectric-slab, and then realize that multiple frequency ranges match simultaneously, the main of this method lacks
It falls into as realization process is time-consuming, inefficient, workload is larger, and can not ensure that the material of optimization is retrievable in engineering processing.
Currently, for multifrequency microstrip antenna, it is still required for a kind of efficient design method, not only can guarantee the radiance of antenna, but also tool
There is engineering easy implementation.
Invention content
The present invention in view of the drawbacks of the prior art, provides a kind of novel multifrequency microstrip antenna design method.
The technical solution adopted by the present invention is as follows：
A kind of multifrequency microstrip antenna, including：Metal floor 1, dielectric-slab A3, metal patch A4, is situated between double-fed feeding network 2
Scutum B5, metal patch B6, two probe A7, two probe B8, bullion A9 and bullion B10；
1 upper surface of the metal floor is installed by double-fed feeding network 2；
The dielectric-slab A3 is mounted on 2 surface of double-fed feeding network；
The metal patch A4 areas are less than dielectric-slab A3, and metal patch A4 is printed on the surfaces dielectric-slab A3；
The dielectric-slab B5 areas are less than metal patch A4, and dielectric-slab B5 is mounted on the surfaces metal patch A4；
The metal patch B6 areas are less than dielectric-slab B5, and metal patch B6 is printed on the surfaces dielectric-slab B5；
The dielectric-slab A3 is opened on surface there are two the trepanning for extending vertically through dielectric-slab A3, which is used to place two probes
A7；
The dielectric-slab B5 is opened on surface there are two the trepanning for extending vertically through dielectric-slab B5, which is used to place two probes
B8；
The surfaces the metal patch A4 are provided with bar-shaped trough, bullion A9, bullion B10 and bar-shaped trough shape
Match, but the area of bullion A9 and bullion B10 are less than bar-shaped trough, bullion A9 and bullion B10 pass through bar shaped
The hollow space of slot is connect with dielectric-slab A3, and bullion A9 and bullion B10 are not contacted with metal patch A4；
The tops two probe A7 are connect with one end of bullion A9 and bullion B10 respectively, two probe B8
Bottom end is connect with the other end of bullion A9 and bullion B10.
Two bottom ends probe A7 are connect with double-fed feeding network 2, and two tops probe B8 are connect with metal patch B6.
Further, the metal patch A4 extends around tuning detail A11, extends not more than the side of dielectric-slab A3.
Further, the metal patch B6 extends around tuning detail B12, extends not more than the side of dielectric-slab B5.
A kind of impedance matching adjusting method based on above-mentioned multifrequency microstrip antenna, when designing antenna by changing probe A7
With positions of the probe B8 in dielectric-slab A3 and dielectric-slab B5, the position length of bullion A9 and bullion B10 become therewith
Change, realizes that multiband matches adjusting simultaneously.
Compared with the prior art, the advantages of the present invention are as follows：Can fabulous impedance matching be realized in two frequency ranges simultaneously, design
It is simple in structure, realize processing efficient, to the material parameter and formal parameter of two layer medium without particular/special requirement, engineering is easily realized, can
It realizes the dual-band antenna design of arbitrary frequency ratio, while this method has universality, can be used for double-fed design, it can also be used to which single feedback is set
Meter.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the vertical view of the metal patch A of the embodiment of the present invention；
Fig. 3 is the vertical view of the metal patch B of the embodiment of the present invention；
Fig. 4 is the antenna reflection coefficient curve graph of the embodiment of the present invention；
Fig. 5 is the x-z surface radiation directional diagrams corresponding to antenna the first resonant frequency frequency in the embodiment of the present invention；
Fig. 6 is the x-z surface radiation directional diagrams corresponding to antenna the second resonant frequency frequency in the embodiment of the present invention；
Fig. 7 is antenna reflection coefficient curve graph when adjusting irradiation structure matching in upper layer in the embodiment of the present invention；
Fig. 8 is antenna reflection coefficient curve graph when adjusting lower layer's irradiation structure matching in the embodiment of the present invention.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, develop simultaneously embodiment referring to the drawings, right
The present invention is described in further details.
As shown in Figure 1, 2, 3, a kind of multifrequency microstrip antenna, including：Metal floor 1, double-fed feeding network 2, dielectric-slab A3,
Metal patch A4, dielectric-slab B5, metal patch B6, two probe A7, two probe B8, bullion A9, bullion B10；
The metal floor 1 is identical as 2 area of double-fed feeding network, and double-fed feeding network is installed in 1 upper surface of metal floor
2；
The dielectric-slab A3 areas are less than double-fed feeding network 2, and dielectric-slab A3 is mounted on 2 surface of double-fed feeding network；
The metal patch A4 areas are less than dielectric-slab A3, and metal patch A4 is printed on the surfaces dielectric-slab A3；
The dielectric-slab B5 areas are less than metal patch A4, and dielectric-slab B5 is mounted on the surfaces metal patch A4；
The metal patch B6 areas are less than dielectric-slab B5, and metal patch B6 is printed on the surfaces dielectric-slab B5；
The dielectric-slab A3 is opened on surface there are two the trepanning for extending vertically through dielectric-slab A3, which is used to place two probes
A7；
The dielectric-slab B5 is opened on surface there are two the trepanning for extending vertically through dielectric-slab B5, which is used to place two probes
B8；
The surfaces the metal patch A4 are provided with bar-shaped trough, bullion A9, bullion B10 and bar-shaped trough shape
Match, but the area of bullion A9 and bullion B10 are less than bar-shaped trough, bullion A9 and bullion B10 pass through bar shaped
The hollow space of slot is connect with dielectric-slab A3, and bullion A9 and bullion B10 are not contacted with metal patch A4；
The tops two probe A7 are connect with one end of bullion A9 and bullion B10 respectively, two probe B8
Bottom end is connect with the other end of bullion A9 and bullion B10.
Two bottom ends probe A7 are connect with double-fed feeding network 2, and two tops probe B8 are connect with metal patch B6.
As shown in Fig. 2, the metal patch A4 extends around tuning detail A11.
As shown in figure 3, the metal patch B6 extends around tuning detail B12.
The position of the probe A7 and probe B8 depends on initial design；It can be existed by changing probe A7 and probe B8
It is good to realize that multiband matches simultaneously for position in dielectric-slab A3 and dielectric-slab B5.
For designing double-fed microstrip antenna, bullion A9 and the most preferred schemes of bullion B10 are to be located at diagonal line
On or metal patch A4 side perpendicular bisector on；For the single feedback microstrip antenna of design, initial design is depended entirely on, is needed
Want different location also different, present example is double-fed microstrip antenna.
The reflection coefficient curve of antenna in centre frequency of the embodiment of the present invention as shown in figure 4, antenna 1.268GHz with
1.558GHz generates resonance, and reflectance factor is in -30dB hereinafter, matching is good.
X-Z plane right-handed circular polarization antenna pattern such as Fig. 5 corresponding to resonant frequency of embodiment of the present invention 1.268GHz
Shown, normal direction right-handed circular polarization gain 4.2dB, antenna is in 1.268GHz circular polarisation function admirables.
X-Z plane right-handed circular polarization antenna pattern corresponding to resonant frequency of embodiment of the present invention 1.558GHz is as schemed
Shown in 6, normal direction right-handed circular polarization gain 4.9dB, antenna is in 1.558GHz circular polarisation function admirables.
The embodiment of the present invention is individually adjusted at 1.268GHz and is matched as shown in fig. 7, can keep by novel mating structure
Under the premise of match condition is good at 1.558GHz, change the match condition at 1.268GHz.
The embodiment of the present invention is individually adjusted at 1.558GHz and is matched as shown in figure 8, can keep by novel mating structure
Under the premise of match condition is good at 1.268GHz, change the match condition at 1.558GHz.
Those of ordinary skill in the art will understand that the embodiments described herein, which is to help reader, understands this hair
Bright implementation, it should be understood that protection scope of the present invention is not limited to such specific embodiments and embodiments.Ability
The those of ordinary skill in domain can make its various for not departing from essence of the invention according to the technical disclosures disclosed by the invention
Its various specific variations and combinations, these variations and combinations are still within the scope of the present invention.
Claims (4)
1. a kind of multifrequency microstrip antenna, which is characterized in that including：Metal floor (1), double-fed feeding network (2), dielectric-slab A
(3), metal patch A (4), dielectric-slab B (5), metal patch B (6), two probe A (7), two probe B (8), bullion A
(9) and bullion B (10)；
Metal floor (1) the upper surface installation double-fed feeding network (2)；
The dielectric-slab A (3) is mounted on double-fed feeding network (2) surface；
Metal patch A (4) area is less than dielectric-slab A (3), and metal patch A (4) is printed on dielectric-slab A (3) surface；
Dielectric-slab B (5) area is less than metal patch A (4), and dielectric-slab B (5) is mounted on metal patch A (4) surface；
Metal patch B (6) area is less than dielectric-slab B (5), and metal patch B (6) is printed on dielectric-slab B (5) surface；
Dielectric-slab A (3) surface is opened there are two the trepanning for extending vertically through (3) dielectric-slab A, which is used to place two probes
A(7)；
Dielectric-slab B (5) surface is opened there are two the trepanning for extending vertically through (5) dielectric-slab B, which is used to place two probes
B(8)；
Metal patch A (4) surface is provided with bar-shaped trough, bullion A (9), bullion B (10) and bar-shaped trough shape
Match, but the area of bullion A (9) and bullion B (10) are less than bar-shaped trough, bullion A (9) and bullion B (10)
Connect with dielectric-slab A (3) by the hollow space of bar-shaped trough, bullion A (9) and bullion B (10) not with metal patch A
(4) it contacts；
Two probe A (7) top is connect with one end of bullion A (9) and bullion B (10) respectively, two probe B
(8) bottom end is connect with the other end of bullion A (9) and bullion B (10)；
Two (7) bottom ends probe A are connect with double-fed feeding network (2), and two (8) tops probe B are connect with metal patch B (6).
2. a kind of multifrequency microstrip antenna according to claim 1, it is characterised in that：The metal patch A (4) extends around
Detail A (11) is tuned, the side of (3) dielectric-slab A is extended not more than.
3. a kind of multifrequency microstrip antenna according to claim 1, it is characterised in that：The metal patch B (6) extends around
Detail B (12) is tuned, the side of (5) dielectric-slab B is extended not more than.
4. a kind of impedance matching adjusting method of multifrequency microstrip antenna according to claim 1, it is characterised in that：It is designing
By changing probe A (7) and positions of the probe B (8) in dielectric-slab A (3) and dielectric-slab B (5), bullion A (9) when antenna
Change therewith with the position length of bullion B (10), realizes that multiband matches adjusting simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810160257.1A CN108461919B (en) | 2018-02-26 | 2018-02-26 | Multi-frequency microstrip antenna and impedance matching adjustment method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810160257.1A CN108461919B (en) | 2018-02-26 | 2018-02-26 | Multi-frequency microstrip antenna and impedance matching adjustment method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN108461919A true CN108461919A (en) | 2018-08-28 |
| CN108461919B CN108461919B (en) | 2023-07-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113809529A (en) * | 2021-08-03 | 2021-12-17 | 北京邮电大学 | Dual-band impedance matching microstrip antenna and antenna array |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101931122A (en) * | 2010-08-27 | 2010-12-29 | 电子科技大学 | C/X dual-band microstrip antenna |
| CN205583136U (en) * | 2016-05-05 | 2016-09-14 | 成都北斗天线工程技术有限公司 | Circular polarization microstrip antenna that can accurate frequency modulation |
| WO2016168951A1 (en) * | 2015-04-18 | 2016-10-27 | 江苏亨鑫科技有限公司 | Dual-frequency dual-polarized base station antenna for parallel dual feeding |
| CN106816701A (en) * | 2017-01-16 | 2017-06-09 | 西安电子科技大学 | Double frequency round polarized microstrip antenna |
| CN208014902U (en) * | 2018-02-26 | 2018-10-26 | 成都北斗天线工程技术有限公司 | A kind of multifrequency microstrip antenna |
-
2018
- 2018-02-26 CN CN201810160257.1A patent/CN108461919B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101931122A (en) * | 2010-08-27 | 2010-12-29 | 电子科技大学 | C/X dual-band microstrip antenna |
| WO2016168951A1 (en) * | 2015-04-18 | 2016-10-27 | 江苏亨鑫科技有限公司 | Dual-frequency dual-polarized base station antenna for parallel dual feeding |
| CN205583136U (en) * | 2016-05-05 | 2016-09-14 | 成都北斗天线工程技术有限公司 | Circular polarization microstrip antenna that can accurate frequency modulation |
| CN106816701A (en) * | 2017-01-16 | 2017-06-09 | 西安电子科技大学 | Double frequency round polarized microstrip antenna |
| CN208014902U (en) * | 2018-02-26 | 2018-10-26 | 成都北斗天线工程技术有限公司 | A kind of multifrequency microstrip antenna |
Non-Patent Citations (2)
| Title |
|---|
| 程超逸: "适用于卫星导航系统的双频段圆极化微带天线", 航空兵器, no. 2, pages 49 - 55 * |
| 陈兆丰;潘锦;: "应用于北斗和GPS的双频小型圆极化微带天线", 电子科技, no. 12, pages 122 - 125 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113809529A (en) * | 2021-08-03 | 2021-12-17 | 北京邮电大学 | Dual-band impedance matching microstrip antenna and antenna array |
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| CN108461919B (en) | 2023-07-21 |
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