CN110534878A - A kind of miniaturization UHF antenna based on split ring resonator load - Google Patents
A kind of miniaturization UHF antenna based on split ring resonator load Download PDFInfo
- Publication number
- CN110534878A CN110534878A CN201910787787.3A CN201910787787A CN110534878A CN 110534878 A CN110534878 A CN 110534878A CN 201910787787 A CN201910787787 A CN 201910787787A CN 110534878 A CN110534878 A CN 110534878A
- Authority
- CN
- China
- Prior art keywords
- antenna
- miniaturization
- split ring
- ring resonator
- underlying substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
-
- 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
- H01Q5/10—Resonant antennas
-
- 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
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
Landscapes
- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a kind of miniaturization UHF antenna based on split ring resonator load, comprising: top substrate layer；Underlying substrate；Three antenna elements, are arranged in rotational symmetry between the top substrate layer and underlying substrate；At least three vertical substrates, are vertically set in rotational symmetry between the top substrate layer and underlying substrate；Split ring resonator is respectively printed on the maximum surface of each vertical substrate, the split ring resonator electrical connection on adjacent upright substrate；Metal floor is printed on the upper surface of underlying substrate；Feeding network is printed on the lower surface of underlying substrate, for receiving ultrahigh-frequency signal and generating that amplitude is identical, phase successively differs 120 Du, tri- tunnel sequence electric feed signal；Three feed probes are arranged between the top substrate layer and underlying substrate, for three tunnel sequence electric feed signals to be separately fed to three antenna elements.The present invention have many advantages, such as size it is small, it is at low cost, convenient for assembling, can meet that the miniaturization of satellite communication field, electrical characteristics are good and two-band application.
Description
Technical field
The present invention relates to antenna technical field more particularly to a kind of ground satellite receiving antennas, are specifically exactly a kind of
Miniaturization superfrequency (UHF) ternary sequence based on split ring resonator (SRR) load feeds dual-band antenna.
Background technique
The application of communication technology of satellite is mainly reflected in dual-use (industrial and agricultural production) two aspects, wirelessly communicates skill
The fast development of art is but also technical field of satellite communication is quickly grown.Satellite Communication Receive and transmitting signal rely primarily on antenna
It realizes, and the size of antenna is mainly determined by working frequency, therefore traditional superfrequency satellite communication antena generally all ruler
Very little big, section height, it is difficult to meet Modern Satellite communication requirement.[1] the superfrequency satellite for proposing a kind of ternary sequence feed connects
Antenna is received, which realizes circular polarization radiation using sequence feeding classification, and the small of antenna is realized under limited size
Typeization design.But the antenna only works in a frequency range, is unable to satisfy multiband application.[2] it has studied a kind of for superelevation
Frequently/ultrahigh frequency band Miniaturized dual-frequency antenna is equally the radiation for using sequence feeding classification to realize circularly polarised wave, and
Double-frequency resonance is realized by couple feed, meets the double frequency application of satellite communication field.But the antenna uses quaternary
Sequence feeding classification, feed structure is more complex, antenna volume is bigger compared to ternary sequence feed, antenna cost is higher.
[1]S.Liao and Q.Xue,"Compact UHF Three-Element Sequential Rotation
Array Antenna for Satcom Applications,"in IEEE Transactions on Antennas and
Propagation,vol.65,no.5,pp.2328-2338,May 2017.
[2]S.Liao and Q.Xue,"Miniaturized VHF/UHF Dual-Band Circularly
Polarized Four-Element Sequential-Rotation Array Antenna Based on Alternately
Overlapped Bent Radiation-Coupled Dual-L Antenna Elements,"in IEEE
Transactions on Antennas and Propagation,vol.66,no.9,pp.4924-4929,Sept.2018.
In conclusion disadvantage of the existing technology:
1. the satellite communication antena volume of traditional ultrahigh frequency band is big, section is high, it is small-sized to be unable to satisfy Modern Satellite communication
Change, the technical need of low section.
2. binary sequence feed antennas can not generate the antenna pattern of rotational symmetry, ternary sequence feed antennas can not be real
Existing multiband application, four metasequence feed antennas feeding networks are complicated, antenna is at high cost.
3. existing antenna miniaturization techniques rely primarily on meander technology and coated by dielectric, and technology degree of miniaturization of meandering
Limited, coated by dielectric influences the radiance of antenna too big.
Summary of the invention
In order to overcome shortcoming and deficiency of the existing technology, the present invention provides a kind of based on split ring resonator load
Extra-high frequency sequence feed antennas is minimized, which generates circular polarisation spoke using the ternary sequence feeding classification of small volume
It penetrates, and further realizes the Miniaturization Design of antenna size by loading opening resonant ring.In addition, split ring resonator is coupling
Own resonance can be also generated afterwards, finally realizes double-frequency resonance, to meet miniaturization, the multiband application need of satellite communication simultaneously
It asks.
The purpose of the present invention is realized at least through one of following technical solution:
A kind of miniaturization UHF antenna based on split ring resonator load, the antenna include:
The top of the miniaturization UHF antenna is arranged in top substrate layer；
Underlying substrate is arranged in parallel in the underface of the top substrate layer；
Three antenna elements are arranged between the top substrate layer and the underlying substrate, and integrally-built around antenna
Center axis rotation is symmetrical, for emitting ultrahigh-frequency signal；
At least three vertical substrates, are vertically set between the top substrate layer and underlying substrate, and integrally tie around antenna
The center axis rotation of structure is symmetrical；
Split ring resonator is respectively printed on the maximum surface of each vertical substrate, opening on adjacent upright substrate
Mouth resonant ring electrical connection；
Metal floor is printed on the upper surface of the underlying substrate；
Feeding network is printed on the lower surface of the underlying substrate, for receive ultrahigh-frequency signal and generate amplitude it is identical,
Phase successively differs 120 Du, tri- tunnel sequence electric feed signal；
Three feed probes are arranged between the top substrate layer and the underlying substrate, and integrally-built around antenna
Center axis rotation is symmetrical, for the three tunnels sequence electric feed signal to be separately fed to three antenna elements.
Further, the antenna element specifically includes:
Copper strips, the curvilinear lower surface for being printed on the top substrate layer,
Rectangular conductor block is arranged between top substrate layer and underlying substrate, and upper surface is electrically connected with the copper strips, following table
Face is electrically connected with metal floor.
Further, the copper strips includes segmental arc and straightway, and the segmental arc is located at the following table of the top substrate layer
The face edge and center of circle is identical as the top substrate layer, the straightway is located on the diameter line of the top substrate layer.
Further, the split ring resonator includes: the metal conduction band being printed on the vertical substrate, and the metal is led
Band is connected by plated-through hole with the metal conduction band on neighboring vertical substrate.
Further, the feeding network includes:
One input port is printed on the center of the underlying substrate and is connected with SMA connector；
Three output ports, are printed on the edge of the underlying substrate, apart from being equidistant for the input port, and
The angle degree of being of output port described in any two and the input port line；
One point of three road Wilkinson power divider, the middle part of the underlying substrate, center are printed at zigzag shape
It is electrically connected with the input port；
Three phasing transmission lines are respectively printed at the output of three tunnels and the institute of one point of three road Wilkinson power divider
It states between three output ports, three phasing transmission lines provide 0 degree of fixed phase, 120 by different electrical length respectively
Phase delay and 240 degree of phase delays are spent, realize the purpose of sequence feed.
Further, the outside of one point of three road Wilkinson power divider is also set up there are three isolation resistance, institute
It is electrically connected between three isolation resistances stated with circular arc conduction band, for output port described in any two to be isolated.
Further, described feed probes one end passes through an output port of the underlying substrate and the feeding network
Electrical connection, the other end are electrically connected with a copper strips of the antenna element.
Further, the vertical substrate, top substrate layer and underlying substrate are PCB circuit board.
Further, further includes:
The lower section of the underlying substrate is arranged in mounting disc, for protecting the feeding network.
Further, the mounting disc is conductive metal medium.
Compared with prior art, the beneficial effect comprise that
Specific embodiment according to the present invention it is found that based on split ring resonator load miniaturization UHF antenna at least
Have following two advantage:
(1) present invention is loaded with split ring resonator on the basis of ternary sequence feed antennas, realizes smaller size
Design, meets miniaturized application.
(2) present invention realizes double-frequency resonance by loading opening resonant ring, feeds dual-band antenna phase with four metasequences
Than ternary sequence feed Double-frequency antenna structure is simpler, cost is less expensive.
Detailed description of the invention
Fig. 1 is a kind of miniaturization UHF antenna based on split ring resonator load that the specific embodiment of the invention provides
Schematic perspective view；
Fig. 2 is the front view of the miniaturization UHF antenna based on split ring resonator load in Fig. 1；
Fig. 3 is the top view of the miniaturization UHF antenna based on split ring resonator load in Fig. 1；
Fig. 4 is the dimensional decomposition structure figure of the miniaturization UHF antenna based on split ring resonator load in Fig. 1；
Fig. 5 is the opening resonance loop structure figure that the specific embodiment of the invention provides；
Fig. 6 is the structural schematic diagram for the feeding network that the specific embodiment of the invention provides；
Fig. 7 is the front view of feeding network in Fig. 6；
Fig. 8 is a kind of miniaturization UHF antenna based on split ring resonator load that the specific embodiment of the invention provides
The reflection coefficient chart of main body (being free of feeding network)；
Fig. 9 is a kind of miniaturization UHF antenna based on split ring resonator load that the specific embodiment of the invention provides
The antenna pattern of main body (being free of feeding network), plane angle Φ=0 °, working frequency 405MHz；
Figure 10 is a kind of miniaturization superfrequency day based on split ring resonator load that the specific embodiment of the invention provides
The antenna pattern of line main body (being free of feeding network), plane angle Φ=0 °, working frequency 495MHz；
Figure 11 is a kind of miniaturization superfrequency day based on split ring resonator load that the specific embodiment of the invention provides
The Z axis left-hand circularly polarized gain of line main body (being free of feeding network)；
Figure 12 is the reflection coefficient curve of the input port for the feeding network that the specific embodiment of the invention provides；
Figure 13 is the isolating coefficient curve of three output ports of the feeding network that the specific embodiment of the invention provides；
Figure 14 is the amplitude curve of three output ports of the feeding network that the specific embodiment of the invention provides；
Figure 15 is the phase curve of three output ports of the feeding network that the specific embodiment of the invention provides；
Figure 16 is a kind of miniaturization superfrequency day based on split ring resonator load that the specific embodiment of the invention provides
The reflection coefficient curve of line；
Figure 17 is a kind of miniaturization superfrequency day based on split ring resonator load that the specific embodiment of the invention provides
The Z axis left-hand circularly polarized gain of line；
Figure 18 is a kind of miniaturization superfrequency day based on split ring resonator load that the specific embodiment of the invention provides
The radiation efficiency curve figure of line.
Symbol description in figure:
1- top substrate layer, 2- underlying substrate, 3- antenna element, 4- rectangular conductor block, the vertical substrate of 5-, 6- opening resonance
Ring, 7- metal floor, 8- feeding network, 9- mounting disc, 10- feed probes, 11- copper strips, 12- metal conduction band, 13- input terminal
Mouth, 14- output port, 15- mono- divide three road Wilkinson power dividers, 16- phasing transmission line, 17-SMA connector, 18- gold
Categoryization via hole, 19- isolation resistance.
Specific embodiment
Below with reference to examples and drawings, the present invention is described in further detail, but embodiments of the present invention are not
It is limited to this.
Embodiment:
As shown in Figures 1 to 5, a kind of miniaturization UHF antenna based on split ring resonator load, the antenna include:
The top of the miniaturization UHF antenna is arranged in top substrate layer 1；
Underlying substrate 2 is arranged in parallel in the underface of the top substrate layer 1；
Three antenna elements 3 are arranged between the top substrate layer 1 and the underlying substrate 2, and around antenna overall structure
Center axis rotation it is symmetrical, for emitting ultrahigh-frequency signal；
At least three vertical substrates 5, are vertically set between the top substrate layer 1 and underlying substrate 2, and around antenna entirety
The center axis rotation of structure is symmetrical；
Split ring resonator 6 is respectively printed on the maximum surface of each vertical substrate 5, on adjacent upright substrate 5
Split ring resonator 6 is electrically connected, and is specifically included: the metal conduction band 12 being printed on the vertical substrate 5, and the metal conduction band 12 is logical
Plated-through hole is crossed to be connected with the metal conduction band 12 on neighboring vertical substrate 5；
Metal floor 7 is printed on the upper surface of the underlying substrate 2；
Feeding network 8 is printed on the lower surface of the underlying substrate 2, for receiving ultrahigh-frequency signal and generating amplitude phase
Same, phase successively differs 120 Du, tri- tunnel sequence electric feed signal；
Three feed probes 10, setting are integrally tied between the top substrate layer 1 and the underlying substrate 2, and around antenna
The center axis rotation of structure is symmetrical, for the three tunnels sequence electric feed signal to be separately fed to three antenna elements 3；
The lower section of the underlying substrate 2 is arranged in mounting disc 9, for protecting the feeding network 8.The mounting disc is
Conductive metal medium, such as aluminium or the good metal medium of other electric conductivities.
Specifically, the antenna element 3 specifically includes:
Copper strips 11, the curvilinear lower surface for being printed on the top substrate layer 1, including segmental arc and straightway, the arc
Shape section is located at the lower surface edge of the top substrate layer 1 and the center of circle is identical as the top substrate layer 1, and the straightway is located at described
On the diameter line of top substrate layer 1；
Rectangular conductor block 4 is arranged between top substrate layer 1 and underlying substrate 2, and upper surface is electrically connected with the copper strips 11
It connects, lower surface is electrically connected with metal floor 7.
In above-described embodiment, the vertical substrate 5, top substrate layer 1 and underlying substrate 2 are PCB circuit board.
In a specific embodiment of the present invention, 3 quantity of antenna element is three, is specifically exactly the copper strips 11
Quantity with the rectangular conductor block 4 is respectively three.Wherein, as shown in FIG. 1 to FIG. 4, the bending of copper strips 11 is printed on institute
The lower surface of top substrate layer 1 is stated, similar to inclined English alphabet " L ", the copper strips 11 is electrically connected with rectangular conductor block 4 to be come shape
Antenna element 3 is collectively formed, the principal radiating section of entire antenna is become.In addition, three antenna elements 3 are around antenna overall structure
Vertical center axis at 120 degree rotational symmetry, be evenly distributed between top substrate layer 1 and underlying substrate 2.
In specific embodiments of the present invention, the material of the rectangular conductor block 4 can be the conductive metal materials such as copper or aluminium,
And the metal floor 7 is circular copper sheet.10 upper end of feed probes is connected with antenna element 3, presents for antenna element
Send ultrahigh-frequency signal, in specific embodiments of the present invention, the quantity of the feed probes 10 is consistent with antenna element quantity, is
Three.
In above-described embodiment, three antenna elements, 3, three feed probes 10 and metal floor 7 are together constituted
Three planar inverted-F antennas, the planar inverted-F antenna of rotational symmetry can generate the electromagnetism of circular polarisation in such a way that sequence is fed
Wave, and 11 part of copper strips of bending fold is conducive to rationally utilize day space of lines, realizes the Miniaturization Design of antenna.
As shown in figure 5, the vertical substrate 5 is vertically disposed between the top substrate layer 1 and underlying substrate 2, it is described to open
The shape of mouth resonant ring 6 is conventional open resonance ring structure, or is the deformation of the conventional open resonance ring structure, for real
The miniaturization and double frequency application of existing antenna.Metal conduction band 12 is printed on the vertical substrate 5, the metal conduction band 12 passes through
Plated-through hole 18 is connected with the metal conduction band 12 on adjacent upright substrate 5, is formed whole.In specific embodiments of the present invention
In, the quantity of the split ring resonator 6 and vertical substrate 5 is three, and around the integrally-built vertical center axis of antenna at 120 degree
Symmetrically.The split ring resonator 6 is uniformly placed on the center of three planar inverted-F antennas, is generated by the planar inverted-F antenna
Magnetic field will pass perpendicularly through the split ring resonator 6, the split ring resonator 6 thus will be motivated to generate induced current and resonance,
To realize double-frequency resonance；In addition, the split ring resonator 6 is located in the high-intensity magnetic field of planar inverted-F antenna, change around antenna
The magnetic conductivity of medium can further realize the miniaturization of antenna.
In a specific embodiment of the invention, the load of the split ring resonator 6 realizes two kinds of functions: one is logical
Crossing loading opening resonant ring 6 and changing the magnetic conductivity of antenna surrounding medium realizes the miniaturization of antenna, and another kind is that opening is humorous
Vibration ring 6 will generate resonance under the coupling of planar inverted-F antenna, to realize double frequency application.
Fig. 6 is a kind of miniaturization UHF antenna based on split ring resonator load that the specific embodiment of the invention provides
Supply network road structural schematic diagram, Fig. 7 be feeding network 8 front view.By Fig. 6 and Fig. 7 it is found that the feeding network 8 has
Body includes: that 14, one point three of the output port phase shift of road Wilkinson power divider 15, three of input port 13, three passes
Defeated line 16, wherein the center of the underlying substrate 2 is arranged in the input port 13；Three output ports 14 are arranged described
The edge of underlying substrate 2, apart from being equidistant for the input port 13, and output port 14 described in any two with it is described
The angle of 13 line of input port is 120 degree；The center of one point of three road Wilkinson power divider 15 and the input terminal
Mouthfuls 13 are electrically connected, and one point of three road Wilkinson power divider 15 is arranged at helix, external setting there are three every
From resistance 19, connected between isolation resistance 19 with circular arc conduction band, the isolation resistance 19 is for being isolated output described in any two
Port 14；Three roads that three phasing transmission lines 16 are separately connected one point of three road Wilkinson power divider 15 are defeated
Out, and the electrical length of three phasing transmission lines 16 is different, for respectively provide 0 degree of fixed phase, 120 degree of phase delays with
And 240 degree of phase delays, the purpose of sequence feed is realized with this.The feeding network 8 is printed under the underlying substrate 2
Surface, the external SMA connector 17 of input port 13, for receiving ultrahigh-frequency signal, signal passes through the feeding network 8, In
The ultrahigh-frequency signal received can be divided into amplitude is identical, phase successively differs tri- tunnel 120 Du at three output ports 14
Signal (sequence electric feed signal).Three output ports 14 are separately connected three feed probes 10 again, so that it may by the sequence of generation
Electric feed signal is fed to three antenna elements 3, generates circular polarization radiation wave with this.
Specifically, described 10 one end of feed probes passes through an output of the underlying substrate 2 with the feeding network 8
Port 14 is electrically connected, and the other end is electrically connected with a copper strips 11 of the antenna element 3.
Miniaturization UHF antenna of the invention is mainly used for ground satellite receiving antenna, and working frequency is set as 405MHz
And 495MHz.For the ease of optimization Simulation, antenna is divided into two parts and is designed by spy, is design antenna body first.Fig. 8 is
A kind of miniaturization UHF antenna main body based on split ring resonator load that the specific embodiment of the invention provides is (without feed
Network) reflection coefficient chart, it can be seen from the figure that at working frequency points 405MHz and 495MHz, antenna reflection coefficient
Close to -15dB, meet engineer application.Fig. 9 and Figure 10 is that one kind that the specific embodiment of the invention provides is based on split ring resonator
The antenna pattern of the miniaturization UHF antenna main body (be free of feeding network) of load, working frequency be respectively 405MHz and
495MHz, plane angle Φ=0 °, it can be seen from the figure that antenna body is left-hand circular polarization radiated wave, cross polarization (dextrorotation circle
Polarization) level is lower.Figure 11 is that a kind of miniaturization based on split ring resonator load that the specific embodiment of the invention provides is special
The Z axis left-hand circularly polarized gain of high frequency antenna main body (being free of feeding network), as shown in figure 11, in two working frequencies of antenna
Place, the gain of antenna is all 5dBi or so.
Figure 12 is the reflection coefficient curve of the input port for the feeding network that invention specific embodiment provides, such as Figure 12 institute
Show, in the frequency band section of 390MHz~500MHz, reflection coefficient is both less than -15dB, in working frequency points 405MHz and 495MHz
Place, reflection coefficient are respectively -17dB and -16dB.Figure 13 is that three of the feeding network that invention specific embodiment provides are defeated
The isolating coefficient curve of exit port, the coefficient of coup in the frequency band of 380MHz and 505MHz between output port below-
22dB, port isolation is in order.Figure 14 and Figure 15 is that three of the feeding network that invention specific embodiment provides are defeated respectively
The amplitude and phase curve of exit port, as shown in Figure 14 and Figure 15, the output amplitude imbalance maximum of three ports is only
0.02dB, phase difference can also meet 120 degree well, and phase error is about 12 degree in working frequency points.
The miniaturization UHF antenna main body based on split ring resonator load that the specific embodiment of the invention provides (is free of
Feeding network) and after feeding network separately designs, two part cascades can be obtained based on split ring resonator load
Minimize UHF antenna.Figure 16 is a kind of miniaturization based on split ring resonator load that the specific embodiment of the invention provides
The reflection coefficient curve of UHF antenna, as can be seen from Figure 16, in the frequency band of 400MHz~500MHz, the reflection of antenna
Coefficient is below -10dB, and in working frequency points 405MHz and 495MHz, reflection coefficient is respectively -20.1dB and -21.5dB,
Fully meet the reflection coefficient requirement worked normally in engineering for antenna.In addition, it can also be seen that in 450MHz frequency
The reflection coefficient of antenna is close to -27.1dB near point, this is because isolation resistance absorbs caused by back wave on feeding network,
Although antenna match performance is good at 450MHz, antenna does not generate good radiation at the frequency point.Figure 17 is this hair
A kind of Z axis left-hand circularly polarized for miniaturization UHF antenna based on split ring resonator load that bright specific embodiment provides increases
Benefit can find out that antenna only generates good radiation at working frequency points 405MHz and 495MHz from Figure 17, and in matching
Antenna radiation performance is very poor at 450MHz that can be best.Figure 18 is that one kind that the specific embodiment of the invention provides is humorous based on being open
Shake ring load miniaturization UHF antenna radiation efficiency curve figure, Cong Tuzhong it can also be seen that antenna in working frequency points
Radiation efficiency is respectively 88% and 78% at 405MHz and 495MHz, and is close to 0 in 450MHz radiation efficiency.
The miniaturization UHF antenna based on split ring resonator load that the specific embodiment of the invention provides, antenna body
It is mainly made of planar inverted-F antenna, realizing in meander technology realizes day by loading opening resonant ring on the basis of miniaturization
Line miniaturises design, and introduces double-frequency resonance, can ground meet the two-band application of satellite communication field.This sets
Count small (0.15 λ of size0×0.15λ0×0.065λ0), it is at low cost, convenient for assembling, various ground satellites can be perfectly suitable for
Communication.Further it is proposed that the design based on split ring resonator load other than being applied to specific embodiment, can be with
Realize other kinds of antenna miniaturization design.
In conclusion the present invention is loaded with opening resonance loop structure on the basis of sequence feed antennas, antenna is being reduced
Double-frequency resonance is introduced while size, have many advantages, such as size it is small, it is at low cost, convenient for assembling, can satisfy satellite communication neck
The miniaturization in domain, electrical characteristics are good and two-band application.
Above-mentioned embodiment is only a preferred solution of the present invention, not the present invention is made in any form
Limitation, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.
Claims (10)
1. a kind of miniaturization UHF antenna based on split ring resonator load, which is characterized in that the antenna includes:
The top of the miniaturization UHF antenna is arranged in top substrate layer (1)；
Underlying substrate (2), is arranged in parallel in the underface of the top substrate layer (1)；
Three antenna elements (3), setting are integrally tied between the top substrate layer (1) and the underlying substrate (2), and around antenna
The center axis rotation of structure is symmetrical, for emitting ultrahigh-frequency signal；
At least three vertical substrates (5), are vertically set between the top substrate layer (1) and underlying substrate (2), and whole around antenna
The center axis rotation of body structure is symmetrical；
Split ring resonator (6) is respectively printed on the maximum surface of each vertical substrate (5), on adjacent upright substrate (5)
Split ring resonator (6) electrical connection；
Metal floor (7), is printed on the upper surface of the underlying substrate (2)；
Feeding network (8), is printed on the lower surface of the underlying substrate (2), for receiving ultrahigh-frequency signal and generating amplitude phase
Same, phase successively differs 120 Du, tri- tunnel sequence electric feed signal；
Three feed probes (10) are arranged between the top substrate layer (1) and the underlying substrate (2), and around antenna entirety
The center axis rotation of structure is symmetrical, for the three tunnels sequence electric feed signal to be separately fed to three antenna elements (3).
2. the miniaturization UHF antenna as described in claim 1 based on split ring resonator load, which is characterized in that the day
Line unit (3) specifically includes:
Copper strips (11), the curvilinear lower surface for being printed on the top substrate layer (1),
Rectangular conductor block (4) is arranged between top substrate layer (1) and underlying substrate (2), upper surface and the copper strips (11) electricity
Connection, lower surface is electrically connected with metal floor (7).
3. the miniaturization UHF antenna as described in claim 1 based on split ring resonator load, which is characterized in that the copper
Band (11) includes segmental arc and straightway, and the segmental arc is located at the lower surface edge of the top substrate layer (1) and the center of circle and institute
State that top substrate layer (1) is identical, the straightway is located on the diameter line of the top substrate layer (1).
4. the miniaturization UHF antenna based on split ring resonator load stated such as claim 1, which is characterized in that the opening
Resonant ring (6) includes: the metal conduction band (12) being printed on the vertical substrate (5), and the metal conduction band (12) passes through metal
Change through-hole to be connected with the metal conduction band (12) on neighboring vertical substrate (5).
5. the miniaturization UHF antenna as described in claim 1 based on split ring resonator load, which is characterized in that the feedback
Electric network (8) includes:
One input port (13) is printed on the center of the underlying substrate (2) and is connected with SMA connector (17)；
Three output ports (14), are printed on the edge of the underlying substrate (2), the distance apart from the input port (13)
It is equal, and the angle of output port described in any two (14) and the input port (13) line is 120 degree；
One point of three road Wilkinson power divider (15), the middle part of the underlying substrate (2) is printed at zigzag shape, wherein
The heart is electrically connected with the input port (13)；
Three phasing transmission lines (16) are respectively printed at the three tunnels output of one point of three road Wilkinson power divider (15)
Between three output ports (14), three phasing transmission lines (16) provide 0 degree by different electrical length respectively
Fixed phase, 120 degree of phase delays and 240 degree of phase delays realize the purpose of sequence feed.
6. the miniaturization UHF antenna as claimed in claim 5 based on split ring resonator load, which is characterized in that described one
Dividing the outside of three road Wilkinson power dividers (15) to also set up, there are three isolation resistance (19), three isolation resistances
(19) it is electrically connected between with circular arc conduction band, for output port described in any two (14) to be isolated.
7. the miniaturization UHF antenna as described in claim 1 based on split ring resonator load, which is characterized in that the feedback
Electric probe (10) one end passes through the underlying substrate (2) and is electrically connected with an output port (14) of the feeding network (8), separately
One end is electrically connected with a copper strips (11) of the antenna element (3).
8. the miniaturization UHF antenna as described in claim 1 based on split ring resonator load, which is characterized in that described perpendicular
Straight substrate (5), top substrate layer (1) and underlying substrate (2) are PCB circuit board.
9. the miniaturization UHF antenna as described in claim 1 based on split ring resonator load, which is characterized in that also wrap
It includes:
Mounting disc (9) is arranged in the lower section of the underlying substrate (2), for protecting the feeding network (8).
10. the miniaturization UHF antenna as claimed in claim 9 based on split ring resonator load, which is characterized in that described
Mounting disc (9) is conductive metal medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910787787.3A CN110534878A (en) | 2019-08-26 | 2019-08-26 | A kind of miniaturization UHF antenna based on split ring resonator load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910787787.3A CN110534878A (en) | 2019-08-26 | 2019-08-26 | A kind of miniaturization UHF antenna based on split ring resonator load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110534878A true CN110534878A (en) | 2019-12-03 |
Family
ID=68662784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910787787.3A Pending CN110534878A (en) | 2019-08-26 | 2019-08-26 | A kind of miniaturization UHF antenna based on split ring resonator load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110534878A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112103627A (en) * | 2020-08-26 | 2020-12-18 | 华南理工大学 | Miniaturized antenna based on coupling radiation double-inverted F/L printed antenna unit |
| CN113809515A (en) * | 2021-10-09 | 2021-12-17 | 深圳航天东方红卫星有限公司 | Satellite-borne miniaturized hybrid reconfigurable antenna |
| CN113937473A (en) * | 2021-09-11 | 2022-01-14 | 中国人民武装警察部队工程大学 | Small circularly polarized Vivaldi antenna, control method and mobile communication system |
| CN113991320A (en) * | 2021-12-27 | 2022-01-28 | 华南理工大学 | Ternary sequence feed reconfigurable antenna |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120223869A1 (en) * | 2011-03-02 | 2012-09-06 | Industry-University Cooperation Foundation Hanyang University | Microstrip patch antenna including planar metamaterial and method of operating microstrip patch antenna including planar metamaterial |
| CN106532278A (en) * | 2016-11-17 | 2017-03-22 | 华南理工大学 | Anti-multipath-interference broadband low-axial-ratio GNSS antenna |
| CN107728248A (en) * | 2017-10-16 | 2018-02-23 | 中国科学院物理研究所 | Double frequency-band circular polarization selector and preparation method thereof |
| CN108511880A (en) * | 2017-02-23 | 2018-09-07 | 香港城市大学深圳研究院 | Minimize superfrequency ternary sequence feed antennas |
| CN208299053U (en) * | 2018-06-22 | 2018-12-28 | 深圳市大疆创新科技有限公司 | Double frequency round polarized antenna and communication equipment |
-
2019
- 2019-08-26 CN CN201910787787.3A patent/CN110534878A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120223869A1 (en) * | 2011-03-02 | 2012-09-06 | Industry-University Cooperation Foundation Hanyang University | Microstrip patch antenna including planar metamaterial and method of operating microstrip patch antenna including planar metamaterial |
| CN106532278A (en) * | 2016-11-17 | 2017-03-22 | 华南理工大学 | Anti-multipath-interference broadband low-axial-ratio GNSS antenna |
| CN108511880A (en) * | 2017-02-23 | 2018-09-07 | 香港城市大学深圳研究院 | Minimize superfrequency ternary sequence feed antennas |
| CN107728248A (en) * | 2017-10-16 | 2018-02-23 | 中国科学院物理研究所 | Double frequency-band circular polarization selector and preparation method thereof |
| CN208299053U (en) * | 2018-06-22 | 2018-12-28 | 深圳市大疆创新科技有限公司 | Double frequency round polarized antenna and communication equipment |
Non-Patent Citations (2)
| Title |
|---|
| ARUN KUMAR等: "Modified series-fed dipole pair antenna using splitring resonator directors for dual-band operation", 《JOURNAL OF TAIBAH UNIVERSITY FOR SCIENCE》 * |
| SHAOWEI LIAO等: "Compact UHF Three-Element Sequential Rotation Array Antenna for Satcom Applications", 《IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112103627A (en) * | 2020-08-26 | 2020-12-18 | 华南理工大学 | Miniaturized antenna based on coupling radiation double-inverted F/L printed antenna unit |
| CN112103627B (en) * | 2020-08-26 | 2021-11-23 | 华南理工大学 | Miniaturized antenna based on coupling radiation double-inverted F/L printed antenna unit |
| CN113937473A (en) * | 2021-09-11 | 2022-01-14 | 中国人民武装警察部队工程大学 | Small circularly polarized Vivaldi antenna, control method and mobile communication system |
| CN113937473B (en) * | 2021-09-11 | 2024-03-29 | 中国人民武装警察部队工程大学 | Small circularly polarized Vivaldi antenna, control method and mobile communication system |
| CN113809515A (en) * | 2021-10-09 | 2021-12-17 | 深圳航天东方红卫星有限公司 | Satellite-borne miniaturized hybrid reconfigurable antenna |
| CN113809515B (en) * | 2021-10-09 | 2022-07-12 | 深圳航天东方红卫星有限公司 | Satellite-borne miniaturized hybrid reconfigurable antenna |
| CN113991320A (en) * | 2021-12-27 | 2022-01-28 | 华南理工大学 | Ternary sequence feed reconfigurable antenna |
| CN113991320B (en) * | 2021-12-27 | 2022-04-22 | 华南理工大学 | Ternary sequence feed reconfigurable antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10854994B2 (en) | Broadband phased array antenna system with hybrid radiating elements | |
| Latif et al. | Bandwidth enhancement and size reduction of microstrip slot antennas | |
| US6734828B2 (en) | Dual band planar high-frequency antenna | |
| CN110534878A (en) | A kind of miniaturization UHF antenna based on split ring resonator load | |
| US6552691B2 (en) | Broadband dual-polarized microstrip notch antenna | |
| CN107895846B (en) | Circular polarization patch antenna with broadband | |
| US20030218571A1 (en) | Planar antenna having linear and circular polarization | |
| US20050237244A1 (en) | Compact RF antenna | |
| CN103346392A (en) | Mobile phone antenna with reconfigurable directional diagram | |
| CN103151602A (en) | Improved broadband multi-dipole antenna with frequency-independent radiation characteristics | |
| TWI532256B (en) | Methods for reducing near-field radiation and specific absorption rate (sar) values in communications devices | |
| JP5616955B2 (en) | Multimode antenna structure | |
| JP4073130B2 (en) | Cross dipole antenna | |
| Lee et al. | A wideband planar monopole antenna array with circular polarized and band-notched characteristics | |
| CN103155277A (en) | Lte antenna pair for mimo/diversity operation in the lte/gsm bands | |
| Ali | Reconfigurable antenna design and analysis | |
| US20020033772A1 (en) | Broadband antenna assembly of matching circuitry and ground plane conductive radiating element | |
| US4740793A (en) | Antenna elements and arrays | |
| CN212303896U (en) | Base station MIMO antenna unit | |
| CN113937473B (en) | Small circularly polarized Vivaldi antenna, control method and mobile communication system | |
| CN109755738A (en) | A kind of polarized grid antenna | |
| CN213905602U (en) | Satellite-borne millimeter wave cross-shaped array antenna | |
| CN112103627B (en) | Miniaturized antenna based on coupling radiation double-inverted F/L printed antenna unit | |
| CN111641050B (en) | Common-caliber multi-polarization antenna | |
| KR100449857B1 (en) | Wideband Printed Dipole Antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191203 |