CN104078773A - Microstrip patch antenna - Google Patents
Microstrip patch antenna Download PDFInfo
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- CN104078773A CN104078773A CN201410321635.1A CN201410321635A CN104078773A CN 104078773 A CN104078773 A CN 104078773A CN 201410321635 A CN201410321635 A CN 201410321635A CN 104078773 A CN104078773 A CN 104078773A
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Abstract
The invention discloses a microstrip patch antenna and belongs to the technical field of radio frequency microwaves. The microstrip patch antenna comprises a substrate, a metal patch antenna and a metal ground layer, wherein the metal patch antenna and the metal ground layer are attached to two surfaces of the substrate respectively, a left-hand material resonance layer surrounding the metal patch antenna is further attached to the surface, with the metal patch antenna, of the substrate and is composed of a set of periodically coupled double-ring double-opening resonance unit, the double-ring double-opening resonance unit comprises two concentric opening metal rings, the two opening metal rings are respectively provided with two openings the same in size and opposite in position, and the openings in the two opening rings are arranged in a staggered mode. Furthermore, the metal ground layer is provided with a set of evenly distributed round through holes. The left-hand material resonance layer and photonic band gaps are built on the two surfaces of the microstrip patch antenna respectively, surface waves and high-order harmonic waves generated by the patch antenna can be effectively eliminated, and gains and radiation directivity of signals are improved.
Description
Technical field
The present invention relates to a kind of antenna, relate in particular to a kind of micro-strip paster antenna, belong to frequency microwave technical field.
Background technology
Micro-strip paster antenna is generally applied and the low profile structure of frequency higher than 100MHZ, a conventional class microstrip antenna is on a thin-medium base, one side is enclosed thin metal layer as ground plate, another side is made the metal patch of definite shape by methods such as photoetching corrosions, utilize microstrip line and axis probe to paster feed, this has just formed microstrip antenna.Long is L, widely for the rectangular microstrip antenna unit of W can regard general low-resistance transmission line as, connects two radiating slots compositions.L is half microstrip wavelength while being λ g/2, forms two gaps at low-resistance transmission line two ends, forms binary seam battle array, outwards an emittance.Its paster can adopt photoetching process manufacture, makes it cost low, is easy to a large amount of production.This common microstrip antenna gain is lower, and directivity is poor.
Summary of the invention
Technical problem to be solved by this invention is to overcome prior art deficiency, and a kind of micro-strip paster antenna is provided, and has significantly reduced surface wave impact, has improved gain and the radiation directivity of signal.
The present invention solves the problems of the technologies described above by the following technical solutions:
A micro-strip paster antenna, the metal patch antenna, the metal that comprise substrate and be attached to respectively described substrate two sides
Ground plane is also attached with the left-handed materials resonant layer around described metal patch antenna on the surface that is attached with metal patch antenna of described substrate.
Preferably, described left-handed materials resonant layer consists of the two opening resonant elements of dicyclo of one group of cycle coupling, the two opening resonant elements of described dicyclo comprise two concentric open metal rings, on two open metal rings, be provided with two openings that size is identical, position is relative, and stagger mutually in the position of two split ring upper sheds.
Preferably, the quantity of the two opening resonant elements of described dicyclo is 40.
Preferably, described open metal ring is shaped as rectangle.
Preferably, described left-handed materials resonant layer is symmetrical about the central shaft of metal patch antenna.
In order more effectively to eliminate the impact of surface wave and high order harmonic component, scheme, is provided with one group of equally distributed manhole on described metal ground plane as a further improvement on the present invention.
Preferably, described manhole is uniformly distributed in the position under described metal patch antenna.
Preferably, described manhole is symmetrical about the central shaft of metal patch antenna.
Preferably, the distance between any two adjacent circular through holes equals 1/4th of this micro-strip paster antenna institute receiving and transmitting signal wavelength.
Compared to existing technology, the present invention and of the present invention preferably, improvement project has following beneficial effect:
The present invention around arranges left-handed materials resonant layer by the paster antenna at micro-strip paster antenna, takes full advantage of the negative refraction of left-handed materials, can effectively eliminate the surface wave that paster antenna produces the radiation directivity that improves signal;
The present invention proposes a kind of left-handed materials of brand new, the two opening resonant elements of dicyclo by one group of cycle coupling form, compare the left-handed materials that existing single radial cut resonator builds, there is better frequency adaptability, can better work in microwave frequency band, and be not only to work in very high frequency band;
The present invention further utilizes photonic band gap structure to strengthen the inhibition of surface wave and high order harmonic component, has further improved the performance of micro-strip paster antenna;
Compact conformation of the present invention, is convenient to processing, realizes cost lower.
Accompanying drawing explanation
Fig. 1 is the vertical view of micro-strip paster antenna described in embodiment;
Fig. 2 is the enlarged drawing of the two opening resonant elements of dicyclo;
Fig. 3 is the upward view of micro-strip paster antenna described in embodiment;
Fig. 4 is the three-dimensional structure perspective view of micro-strip paster antenna described in embodiment;
Fig. 5 is effective dielectric constant and the magnetic permeability real part simulation result of left-handed materials resonant layer in embodiment;
Fig. 6 is effective dielectric constant and the magnetic permeability imaginary part simulation result of left-handed materials resonant layer in embodiment;
Fig. 7 is the Direction Pattern Simulation result of micro-strip paster antenna described in embodiment;
Fig. 8 is the return loss S11 simulation result of micro-strip paster antenna described in embodiment;
In figure, each label implication is as follows:
1, metal patch antenna, 2, left-handed materials resonant layer, 3, substrate, 4, the two opening resonant elements of dicyclo, 5, metal ground plane, 6, manhole.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is elaborated:
Thinking of the present invention is that the obverse and reverse at micro-strip paster antenna builds respectively left-handed materials resonant layer, photonic band gap structure, utilize the characteristic of left-handed materials and photonic band gap structure, high order harmonic component is involved on the surface that effectively elimination paster antenna produces, thereby promotes gain and the radiation directivity of signal.
For the ease of public understanding, before technical solution of the present invention is elaborated, first the substance of left-handed materials and photonic band gap structure is briefly introduced.
Left-handed materials (Left-Handed Material is called for short LHM) refers to that dielectric constant and magnetic permeability are the material of negative value simultaneously.Left-handed materials has the characteristic that is different from the right-handed material existing in nature.Leftward in material, electromagnetic electric field, magnetic field and wave vector form left hand relation.Electromagnetic wave is contrary with right-handed material in material leftward, has negative refraction, negative Qie Liankefu effect, anti-Doppler effect etc.
Photon band gap (Photonic Band-Gap, be called for short PBG) refers in a certain band limits, and ripple can not be propagated in this periodic structure, and this periodic structure exists forbidden band.This concept proposes at first in optical field, and its research range has expanded to microwave harmony wave-wave section now.
The present invention arranges left-handed materials resonant layer around at the paster antenna in micro-strip paster antenna front, utilize left-handed materials to suppress surface wave, and further on metal ground plane overleaf, photonic band gap structure is set, utilize photonic band gap structure to strengthen the inhibition that high order harmonic component is involved on surface.Left-handed materials resonant layer of the present invention and photonic band gap structure all can adopt existing various left-handed materials structure and photonic band gap structure.For the ease of public understanding technical solution of the present invention, lift a preferred embodiment below and describe.
Micro-strip paster antenna in the present embodiment and the basic structure of existing micro-strip paster antenna are similar, the dielectric substrate in the middle of including, and the metal patch antenna, the metal ground plane that are mounted on respectively substrate positive and negative.Its difference is, the front of the micro-strip paster antenna of the present embodiment is provided with left-handed materials resonant layer around metal patch antenna, on the metal ground plane at the back side, is provided with photonic band gap structure.
Fig. 1 has shown the vertical view of the present embodiment micro-strip paster antenna, as shown in the figure, metal patch antenna 1 is mounted on substrate 3(and adopts Rogers 5880 dielectric-slabs, and dielectric constant is 2.2, thickness is 0.8 millimeter) middle part, in the surrounding of metal patch antenna 1, be surrounded with left-handed materials resonant layer 2.Left-handed materials resonant layer 2 in the present embodiment does not adopt existing complementary single radial cut resonator configurations, but the two opening resonant elements 4 of the dicyclo that utilizes one group of cycle coupling form, the two opening resonant elements 4 of described dicyclo comprise two concentric open metal rings, on two open metal rings, be provided with two openings that size is identical, position is relative, and stagger mutually in the position of two split ring upper sheds.As shown in Figure 2, the shape of two open metal rings is rectangle to the structure of the two opening resonant elements 4 of dicyclo in the present embodiment, and the aperture position of outer shroud and interior ring is all in the middle part of a pair of opposite side.In the present embodiment, the quantity of the two opening resonant elements 4 of dicyclo is 40, and symmetrical about the central shaft of metal patch antenna 1.
Fig. 3 has shown the upward view of the present embodiment micro-strip paster antenna, as shown in the figure, the back side of substrate 3 is attached with layer of metal ground plane 5, on metal ground plane 5, be provided with one group of equally distributed manhole 6, these equally distributed manholes 6 have formed photonic band gap structure, can prepare by etched mode.In order better to suppress surface wave and high order harmonic component, these equally distributed manholes 6 be preferably arranged at metal patch antenna 1 corresponding under position, preferably symmetrical about the central shaft of metal patch antenna 1.Distance in the present embodiment between any two adjacent manholes 6 equals 1/4th of this micro-strip paster antenna institute receiving and transmitting signal wavelength.
Fig. 4 is the three-dimensional structure perspective view of the present embodiment micro-strip paster antenna.
In the micro-strip paster antenna of the present embodiment, the two opening resonant elements 4 of adjacent dicyclo intercouple by air-gap, the two opening resonant element 4 cycle couplings of all dicyclos form left-handed materials resonant layer, with the photonic band gap structure acting in conjunction at the back side, can suppress to greatest extent surface and involve high order harmonic component.
Micro-strip paster antenna in the present embodiment adopts coaxial feeder to carry out feed, and the impedance of this coaxial feeder is 50 ohm, and is positioned on the center longitudinal axis of described micro-strip paster antenna.
When micro-strip paster antenna is worked, the outside emittance of paster antenna, on medium substrate, produce surface wave affects energy to external radiation simultaneously; Due to the special characteristics that left-handed materials resonant layer effective dielectric constant and equivalent magnetic conductance are negative value, the surface wave on dielectric layer has obtained good inhibition.Add the effect of bottom surface PBG layer, the surface waves that produce due to antenna resonance are in a large number suppressed, and emittance outwards radiate substantially from paster antenna, thereby makes the gain of antenna and directivity obtain good raising, antenna performance be improved significantly.
The frequency range of the two opening resonant element work of dicyclo is in microwave range, and application is wider.Fig. 5, Fig. 6 have shown the two effective dielectric constants of opening resonant element of dicyclo of the present invention and the simulation result of magnetic permeability, and wherein Fig. 5 is real part, and Fig. 6 is imaginary part.As can be seen from the figure, its effective dielectric constant and magnetic permeability reach negative maximum near 6.9GHz, and dielectric constant and magnetic permeability higher than existing single radial cut resonator at the absolute value at this frequency range place.
Fig. 7 has shown directional diagram and the gain of micro-strip paster antenna of the present invention, and Fig. 8 has shown the return loss S11 of micro-strip paster antenna of the present invention.From Fig. 7 ~ Fig. 8 to find out, micro-strip paster antenna of the present invention-10dB bandwidth is 6.75GHz ~ 7.15GHz, centre frequency is 6.9GHz.When energy is inputted from coaxial feeder, return loss is greater than 25dB, and the common microstrip antenna of the ratio of gains of micro-strip paster antenna of the present invention increases 3.4dB, and half-power radiation subtended angle dwindles 24 °.
Claims (10)
1. a micro-strip paster antenna, the metal patch antenna, the metal ground plane that comprise substrate and be attached to respectively described substrate two sides, it is characterized in that, on the surface that is attached with metal patch antenna of described substrate, be also attached with the left-handed materials resonant layer around described metal patch antenna.
2. micro-strip paster antenna as claimed in claim 1, it is characterized in that, described left-handed materials resonant layer consists of the two opening resonant elements of dicyclo of one group of cycle coupling, the two opening resonant elements of described dicyclo comprise two concentric open metal rings, on two open metal rings, be provided with two openings that size is identical, position is relative, and stagger mutually in the position of two split ring upper sheds.
3. micro-strip paster antenna as claimed in claim 2, is characterized in that, described open metal ring be shaped as rectangle.
4. micro-strip paster antenna as claimed in claim 2, is characterized in that, the quantity of the two opening resonant elements of described dicyclo is 40.
5. micro-strip paster antenna as claimed in claim 2, is characterized in that, described left-handed materials resonant layer is symmetrical about the central shaft of metal patch antenna.
6. micro-strip paster antenna as described in claim 1～5 any one, is characterized in that, is provided with one group of equally distributed manhole on described metal ground plane.
7. micro-strip paster antenna as claimed in claim 6, is characterized in that, described manhole is uniformly distributed in the position under described metal patch antenna.
8. micro-strip paster antenna as claimed in claim 7, is characterized in that, described manhole is symmetrical about the central shaft of metal patch antenna.
9. micro-strip paster antenna as claimed in claim 6, is characterized in that, the distance between any two adjacent circular through holes equals 1/4th of this micro-strip paster antenna institute receiving and transmitting signal wavelength.
10. micro-strip paster antenna as claimed in claim 6, is characterized in that, also comprises for the coaxial feeder to metal patch antenna feed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410321635.1A CN104078773A (en) | 2014-07-07 | 2014-07-07 | Microstrip patch antenna |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410321635.1A CN104078773A (en) | 2014-07-07 | 2014-07-07 | Microstrip patch antenna |
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| CN104078773A true CN104078773A (en) | 2014-10-01 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105390817A (en) * | 2015-09-24 | 2016-03-09 | 西华大学 | Alternative gap regular octagon-shaped dual-band electromagnetic metamaterial structure |
| CN106299628A (en) * | 2016-10-26 | 2017-01-04 | 深圳鲲鹏无限科技有限公司 | A kind of antenna and wireless router |
| CN107403994A (en) * | 2017-06-10 | 2017-11-28 | 西安电子科技大学 | A kind of low section wide band high-gain omnidirectional surface-wave antenna for blocking super surface loading |
| CN109586023A (en) * | 2019-01-07 | 2019-04-05 | 云南大学 | Rectangular microstrip antenna based on Metamaterial dielectric substrate |
| CN117353007A (en) * | 2023-11-02 | 2024-01-05 | 南通大学 | Vertical polarization bidirectional radiation antenna |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1874066A (en) * | 2005-05-31 | 2006-12-06 | 西北工业大学 | Microstrip antenna with open-ended resonance ring(SRRs) |
| CN102694277A (en) * | 2012-06-15 | 2012-09-26 | 中国电子科技集团公司第三十六研究所 | Multifrequency directional-diagram reconfigurable antenna based on double-open resonant ring |
| CN203103468U (en) * | 2013-01-14 | 2013-07-31 | 中国计量学院 | Terahertz wave filter of periodic double ring and double opening resonance square ring structure |
| CN203950926U (en) * | 2014-07-07 | 2014-11-19 | 南京邮电大学 | A kind of micro-strip paster antenna |
-
2014
- 2014-07-07 CN CN201410321635.1A patent/CN104078773A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1874066A (en) * | 2005-05-31 | 2006-12-06 | 西北工业大学 | Microstrip antenna with open-ended resonance ring(SRRs) |
| CN102694277A (en) * | 2012-06-15 | 2012-09-26 | 中国电子科技集团公司第三十六研究所 | Multifrequency directional-diagram reconfigurable antenna based on double-open resonant ring |
| CN203103468U (en) * | 2013-01-14 | 2013-07-31 | 中国计量学院 | Terahertz wave filter of periodic double ring and double opening resonance square ring structure |
| CN203950926U (en) * | 2014-07-07 | 2014-11-19 | 南京邮电大学 | A kind of micro-strip paster antenna |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105390817A (en) * | 2015-09-24 | 2016-03-09 | 西华大学 | Alternative gap regular octagon-shaped dual-band electromagnetic metamaterial structure |
| CN105390817B (en) * | 2015-09-24 | 2018-10-12 | 西华大学 | A kind of staggered nicks octagon double frequency-band electromagnetism metamaterial structure |
| CN106299628A (en) * | 2016-10-26 | 2017-01-04 | 深圳鲲鹏无限科技有限公司 | A kind of antenna and wireless router |
| CN106299628B (en) * | 2016-10-26 | 2023-04-07 | 深圳鲲鹏无限科技有限公司 | Antenna and wireless router |
| CN107403994A (en) * | 2017-06-10 | 2017-11-28 | 西安电子科技大学 | A kind of low section wide band high-gain omnidirectional surface-wave antenna for blocking super surface loading |
| CN109586023A (en) * | 2019-01-07 | 2019-04-05 | 云南大学 | Rectangular microstrip antenna based on Metamaterial dielectric substrate |
| CN117353007A (en) * | 2023-11-02 | 2024-01-05 | 南通大学 | Vertical polarization bidirectional radiation antenna |
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Application publication date: 20141001 |