CN106410416A - Frequency and polarization reconfigurable microstrip antenna based on varactor diodes - Google Patents
Frequency and polarization reconfigurable microstrip antenna based on varactor diodes Download PDFInfo
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- CN106410416A CN106410416A CN201510465332.1A CN201510465332A CN106410416A CN 106410416 A CN106410416 A CN 106410416A CN 201510465332 A CN201510465332 A CN 201510465332A CN 106410416 A CN106410416 A CN 106410416A
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Abstract
The invention discloses a frequency and polarization reconfigurable microstrip antenna based on varactor diodes. The frequency and polarization reconfigurable microstrip antenna includes a circular patch, four fan-shaped patches, four pairs of varactor diodes, five inductors, five square patches, five metalized through holes, a circular metal floor, a dielectric substrate, and a feed port. The circular patch, the four fan-shaped patches, the four pairs of varactor diodes, the five inductors, the five square patches are arranged on the upper surface of the dielectric substrate. The circular metal floor and the feed port are located on the lower surface of the dielectric substrate. The four pairs of varactor diodes are evenly connected between the circular patch and the four fan-shaped patches. The four fan-shaped patches symmetrically surround the circular patch. The five metalized through holes are connected to the center of the five square patches respectively and the circular metal floor. The frequency and polarization reconfigurable microstrip antenna with simple structure, low profile, high reliability is achieved by introducing two sets of varactor diodes to control the two orthogonal modes of the microstrip antenna respectively.
Description
Technical field
The present invention relates to microwave passive component technical field, particularly a kind of frequency based on varactor and polarization can weigh
Structure microstrip antenna.
Background technology
Microstrip antenna is due to small volume, lightweight, thin profile, easily conformal, manufacturing process is simple, low cost, Yi Yuyou
Many advantages, such as source device and circuit are integrated into single module obtains all circles' extensive concern for a long time.However, in recent years,
Become the signal fadeout that more and more crowded, electric wave multipath transmisstion causes with wireless communication spectrum increasingly severe, traditional
Microstrip antenna will no longer be suitable in modern wireless communication systems.Therefore, there is adjustable narrow band bandwidth have stably simultaneously
The frequency reconfigurable microstrip antenna of radiation characteristic is capable of channeling increase channel appearance with having anti-multipath fading simultaneously
The polarization reconstructable microstrip aerial of amount is extensively studied.
At present, most frequency or the reconfigurable microstrip antenna that polarizes all can only realize single parameter in two parameters
Restructural, this will be difficult to meet the demand of growing wireless communication system.
Have the frequency based on varactor for the document report and polarization reconstructable microstrip aerial：
Document 1 (Korosec, T., Ritosa, P., and Vidmar, M., " Varactor-tuned microstrip-patch
antenna with frequency and polarisation agility”,Electron.Lett.,2006(42):1015-1016.) lead to
Crossing four groups of voltages of introducing controls four groups of varactors to realize the electric drift of antenna feed location, thus realizing frequency respectively
Restructural with polarization.
Document 2 (Qin, P.Y., Guo, Y.J., Cai, Y., Dutkiewicz, E., and Liang, C.H., " A
reconfigurable antenna with frequency and polarization agility”,IEEE Antennas Wirel.
Propag.Lett.,2011(10):1373-1376.) propose the periphery of traditional square paster load four groups of PIN diodes and
Four groups of varactors, realize the polarization restructural of antenna by the state switching PIN diode, by changing transfiguration two
The bias voltage of pole pipe realizes frequency reconfigurable under every kind of polarized state for the antenna.
Document 3 (Liang, B., Sanz-Izquierdo, B., Parker, E.A., and Batchelor, J.C., " A frequency
and polarization reconfigurable circularly polarized antenna using active EBG structure for
satellite navigation”,IEEE Trans.Antennas Propag.,2015(63):33-40.) propose in electro-magnetic bandgap knot
Load varactor in structure, realize frequency and the polarization restructural of antenna by changing the bias voltage of varactor.
But the frequency based on varactor for the three of the above and polarization reconstructable microstrip aerial suffer from the drawback that：
(1) reconfigurable antenna proposing in document 1 is difficult to realize the radiation of circular polarisation.
(2), in pass band tunable low side, radiation gain is relatively low for the reconfigurable antenna proposing in document 2.
(3) in document 3 propose reconfigurable antenna have complexity structure and of a relatively high section, this will limit its
Application in wireless communication system.
Content of the invention
It is an object of the invention to provide a kind of structure is simple, section is low, under each restructural state radiance stable,
There is frequency and polarize all reconfigurable frequency based on varactor and polarization reconstructable microstrip aerial.
The technical solution realizing the object of the invention is：A kind of frequency based on varactor and polarization restructural micro-strip
Antenna it is characterised in that：Including being arranged at the circular patch of medium substrate upper surface, the first fan-shaped paster, second fan-shaped
Paster, the 3rd fan-shaped paster, four fan-shaped paster, the first square patch, the second square patch, third party's shape paster,
Quad patch, the 5th square patch, the first inductance, the second inductance, the 3rd inductance, the 4th inductance, the 5th inductance,
First varactor, the second varactor, the 3rd varactor, the 4th varactor, the 5th transfiguration two pole
Pipe, the 6th varactor, the 7th varactor, the 8th varactor, are arranged at the circle of medium substrate lower surface
Shape metal ground plate, feed port, the first annular groove, the second annular groove, the 3rd annular groove, the 4th annular groove, first
Circular patch, the second circular patch, the 3rd circular patch, the 4th circular patch, and vertically penetrate medium substrate
One plated-through hole, the second plated-through hole, the 3rd plated-through hole, the 4th plated-through hole, fifth metal through hole；
Described first～four fan-shaped paster symmetrically is distributed in the surrounding of circular patch, and first～four fan-shaped paster short arc
Each end points connected with circular patch by the first～eight varactor respectively, the first square patch pass through the first inductance
Connect with circular patch, the second～five square patch passes through in the second～five inductance and first～four fan-shaped paster long arc respectively
Point connects；The first～five plated-through hole is respectively arranged at the center of the first～five square patch, and the first～tetra- annular groove is respectively
It is etched in the lower surface of round metal grounding plate with the second～five plated-through hole for the center of circle, inside the first～tetra- annular groove respectively
Setting the first～tetra- circular patch, the inner wire probe of feed port is passed perpendicularly through medium substrate and is connected with circular patch, feedback
The outer conductor of electric port is connected with circular metal floor.
The frequency based on varactor for the present invention and polarization reconstructable microstrip aerial, the first described inductance is connected across first
Between square patch and circular patch, the second inductance is connected across between the second square patch and the first fan-shaped paster, the 3rd electricity
Sense is connected across between third party's shape paster and the second fan-shaped paster, and the 4th inductance is connected across quad patch and the 3rd sector
Between paster, the 5th inductance is connected across between the 5th square patch and four fan-shaped paster.
The frequency based on varactor for the present invention and polarization reconstructable microstrip aerial, the first described varactor and the
Two varactors are all connected across between circular patch and the first fan-shaped paster, the 3rd varactor and the 4th transfiguration two pole
Guan Jun is connected across between circular patch and the second fan-shaped paster, and the 5th varactor and the 6th varactor are all connected across
Between circular patch and the 3rd fan-shaped paster, the 7th varactor and the 8th varactor be all connected across circular patch and
Between four fan-shaped paster.
The frequency based on varactor for the present invention and polarization reconstructable microstrip aerial, described the first plated-through hole, the
Two plated-through holes, the 3rd plated-through hole, the 4th plated-through hole, fifth metal through hole are respectively intended to connect first
Square patch, the second square patch, third party's shape paster, the center of quad patch and the 5th square patch and metal
Earth plate.
The frequency based on varactor for the present invention and polarization reconstructable microstrip aerial, described first circular patch, the 3rd circle
Shape paster is in diagonal, and the first circular patch, the 3rd circular patch are all by the positive pole of wire and one group of direct voltage source even
Connect, the second circular patch, the 4th circular patch are in diagonal, and the first circular patch, the 3rd circular patch are all by wire
It is connected with the positive pole of another group of direct voltage source, the negative pole of this two groups of direct voltage sources is all by wire and circular metal floor
Connect.
The frequency based on varactor for the present invention and polarization reconstructable microstrip aerial, this microstrip antenna adopts individual layer PCB
Plate is realized, and wherein the thickness of medium substrate is 3.175mm.
The frequency based on varactor for the present invention and polarization reconstructable microstrip aerial, described the first inductance, the second inductance,
3rd inductance, the 4th inductance, the inductance value of the 5th inductance are 47nH.
The frequency based on varactor for the present invention and polarization reconstructable microstrip aerial, described the first varactor, the
Two varactors, the 3rd varactor, the 4th varactor, the 5th varactor, the 6th varactor,
7th varactor, model SMV-2019LF of the 8th varactor.
Compared with prior art, its remarkable advantage is the present invention：(1) structure of the present invention is simple, section is low, can be in list
Realize on piece pcb board, be easy to process, low production cost；(2) reconfigurable antenna of the present invention can linear polarization,
Left-hand circular polarization and right-handed circular polarization, switch between three kinds of polarized states, have operating frequency simultaneously under each polarized state
Continuously adjustable characteristic；(3) reconfigurable antenna of present invention antenna pattern under each restructural state is stable, intersects
Polarization level is relatively low, is highly suitable for modern wireless communication systems.
Brief description
Fig. 1 is the frequency based on varactor for the present invention and the top view of polarization reconstructable microstrip aerial.
Fig. 2 is the frequency based on varactor for the present invention and the side view of polarization reconstructable microstrip aerial.
Fig. 3 is the frequency based on varactor for the present invention and the upward view of polarization reconstructable microstrip aerial.
Fig. 4 is the physical dimension of the embodiment 1 of the frequency based on varactor for the present invention and polarization reconstructable microstrip aerial
Schematic diagram, wherein (a) are top views, and (b) is side view.
Fig. 5 be the frequency based on varactor for the present invention and polarization reconstructable microstrip aerial embodiment 1 in linear polarization shape
The simulation result figure that return loss under state changes with varactor capacitance.
Fig. 6 be the frequency based on varactor for the present invention and polarization reconstructable microstrip aerial embodiment 1 in left-handed entelechy
Return loss under change state and axle are than the simulation result figure under four groups of typical varactor capacitances.
Fig. 7 be the frequency based on varactor for the present invention and polarization reconstructable microstrip aerial embodiment 1 in dextrorotation entelechy
Return loss under change state and axle are than the simulation result figure under four groups of typical varactor capacitances.
Fig. 8 is that the frequency based on varactor for the present invention exists with the embodiment 1 of polarization reconstructable microstrip aerial
C1=C2The antenna pattern of emulation under=1.1pF state, wherein (a) is the antenna pattern in E face, and (b) is H face
Antenna pattern.
Fig. 9 is that the frequency based on varactor for the present invention exists with the embodiment 1 of polarization reconstructable microstrip aerial
C1=0.3pF, C2The antenna pattern of emulation under=0.45pF state, wherein (a) is the antenna pattern in E face, (b)
It is the antenna pattern in H face.
Figure 10 is that the frequency based on varactor for the present invention exists with the embodiment 1 of polarization reconstructable microstrip aerial
C1=0.45pF, C2The antenna pattern of emulation under=0.3pF state, wherein (a) is the antenna pattern in E face, (b)
It is the antenna pattern in H face.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described in further detail.
In conjunction with Fig. 1, Fig. 2 and Fig. 3, the frequency based on varactor for the present invention and polarization reconstructable microstrip aerial, bag
Include fan-shaped paster the 3, the 3rd sector of the fan-shaped paster 2, second of circular patch 1, first being arranged at medium substrate 7 upper surface
Paster 4, four fan-shaped paster 5, the first square patch 11, the second square patch 21, third party's shape paster 31, the 4th
Square patch 41, the 5th square patch 51, the first inductance 13, the second inductance 23, the 3rd inductance 33, the 4th inductance
43rd, the 5th inductance 53, the first varactor 24, the second varactor 25, the 3rd varactor the 34, the 4th
Varactor 35, the 5th varactor 44, the 6th varactor 45, the 7th varactor the 54, the 8th become
Hold diode 55, be arranged at the round metal grounding plate 8 of medium substrate 7 lower surface, feed port 6, the first annular groove
26th, the second annular groove 36, the 3rd annular groove 46, the 4th annular groove 56, the first circular patch 27, the second circular patch
37th, the 3rd circular patch 47, the 4th circular patch 57, and vertically penetrate the first plated-through hole of medium substrate 7
12nd, the second plated-through hole 22, the 3rd plated-through hole 32, the 4th plated-through hole 42, fifth metal through hole 52；
Described first～four fan-shaped paster 2,3,4,5 symmetrically is distributed in the surrounding of circular patch 1, and first～
Each end points of four fan-shaped paster 2,3,4,5 short arc pass through respectively the first～eight varactor 24,25,34,35,
44th, 45,54,55 are connected with circular patch 1, and the first square patch 11 passes through the first inductance 13 and circular patch 1
Connect, the second～five square patch 21,31,41,51 passes through the second～five inductance 23,33,43,53 and first respectively
The midpoint of～four fan-shaped paster 2,3,4,5 long arc connects；The first～five 12,22,32,42,52 points of plated-through hole
Be not arranged at the center of the first～five square patch 11,21,31,41,51, the first～tetra- annular groove 26,36,46,
56 lower surfaces being etched in round metal grounding plate 8 respectively with the second～five plated-through hole 22,32,42,52 for the center of circle,
It is respectively provided with the first～tetra- circular patch 27,37,47,57, feed inside the first～tetra- annular groove 26,36,46,56
The inner wire probe of port 6 is passed perpendicularly through medium substrate 7 and is connected with circular patch 1, the outer conductor of feed port 6 and circle
Shape metal floor 8 connects.
The frequency based on varactor for the present invention and polarization reconstructable microstrip aerial, the first described inductance 13 is connected across
Between first square patch 11 and circular patch 1, it is fan-shaped that the second inductance 23 is connected across the second square patch 21 and first
Between paster 2, the 3rd inductance 33 is connected across between third party's shape paster 31 and the second fan-shaped paster 3, the 4th inductance 43
It is connected across between quad patch 41 and the 3rd fan-shaped paster 4, the 5th inductance 53 is connected across the 5th square patch 51
And four fan-shaped paster 5 between.
The frequency based on varactor for the present invention and polarization reconstructable microstrip aerial, described the first varactor 24
And second varactor 25 be all connected across between circular patch 1 and the first fan-shaped paster 2, the 3rd varactor 34
And the 4th varactor 35 be all connected across between circular patch 1 and the second fan-shaped paster 3, the 5th varactor 44
And the 6th varactor 45 be all connected across between circular patch 1 and the 3rd fan-shaped paster 4, the 7th varactor 54
And the 8th varactor 55 be all connected across between circular patch 1 and four fan-shaped paster 5.
The frequency based on varactor for the present invention and polarization reconstructable microstrip aerial, described the first plated-through hole 12,
Second plated-through hole 22, the 3rd plated-through hole 32, the 4th plated-through hole 42, fifth metal through hole 52 are respectively
It is used for connecting the first square patch 11, the second square patch 21, third party's shape paster 31, quad patch 41 and the
The center of five square patch 51 and metal ground plate 8.
The frequency based on varactor for the present invention and polarization reconstructable microstrip aerial, described the first varactor 24,
Second varactor 25, the 3rd varactor 34, the 4th varactor 35, the 5th varactor 44,
Six varactors 45, the 7th varactor 54, model SMV-2019LF of the 8th varactor 55.
The frequency based on varactor for the present invention and polarization reconstructable microstrip aerial, the first described inductance 13, second is electric
Sense the 23, the 3rd inductance 33, the 4th inductance 43, the inductance value of the 5th inductance 53 are 47nH.
The frequency based on varactor for the present invention and polarization reconstructable microstrip aerial, described first circular patch the 27, the 3rd
Circular patch 47 is in diagonal, and the first circular patch 27, the 3rd circular patch 47 are all by wire and one group of DC voltage
The positive pole in source connects, and the second circular patch 37, the 4th circular patch 57 are in diagonal, and the first circular patch the 27, the 3rd
Circular patch 47 is all connected with the positive pole of another group of direct voltage source by wire, and the negative pole of this two groups of direct voltage sources is equal
It is connected with circular metal floor 8 by wire.
The frequency based on varactor for the present invention and polarization reconstructable microstrip aerial use individual layer pcb board to realize, wherein
The thickness of medium substrate 7 is 3.175mm.
The frequency based on varactor for the present invention and polarization reconstructable microstrip aerial, are divided by changing two groups of DC voltages
Do not control the capacitance of two groups of varactors, thus changing two orthogonal modes (TM of antenna01And TM10) resonance
Frequency.On the one hand, when two groups of voltages keep identical magnitude of voltage, antenna will produce the radiation of horizontal linear polarization, meanwhile,
Numerical value by two groups of voltages of synchronous change, it is possible to achieve the frequency reconfigurable under the online polarized state of antenna；On the other hand,
Adjust two groups of control voltages by appropriate, so that the resonant frequency of one of two orthogonal modes pattern is raised, another mould
The resonant frequency of formula reduces, and forms the passband of a coupling, thus at certain frequency between two mode resonance frequency,
The radiation field amplitude of two orthogonal modes is identical, and 90 ° of phase, so that it may form circular polarization radiation, exchanges two groups of controls
The value of voltage just can realize the reconstruct of antenna left-hand/right-hand circular polarisation, two groups of magnitudes of voltage of adjustment can realize antenna left-handed or
Frequency reconfigurable under right-handed circular polarization state.
With reference to specific embodiment, the present invention is described in further detail.
Embodiment 1
In conjunction with Fig. 4～10, with BREATHABLE BANDWIDTH as 1.76GHz～frequency based on varactor of 2.31GHz and polarization can
As a example reconstruct microstrip antenna, medium substrate 8 relative dielectric constant of employing is 2.2, and thickness is 3.175mm, loss angle
Just it is being cut to 0.0009.Each dimensional parameters of this reconstructable microstrip aerial are as follows：The radius of circular patch 1 is R1=20mm,
The radius of the first fan-shaped paster 2, second fan-shaped paster 4 of fan-shaped paster the 3, the 3rd and four fan-shaped paster 5 is
R2=36mm, its angle is 35o, and feed port 6 characteristic impedance is 50 ohm, the radius of its inner wire probe
R=0.65mm, apart from the center of circle R of circular patch 13=10mm, the first circular patch 27, the second circular patch 37,
The radius of the 3rd circular patch 47 and the 4th circular patch 57 is R4=3mm, medium substrate 7 and circular metal floor
8 radius is Rg=50mm, the first square patch 11, the second square patch 21, third party's shape paster the 31, the 4th
The length of side of square patch 41 and the 5th square patch 51 is L=2mm, and the first plated-through hole 12, second metallizes
Through hole 22, the radius of the 3rd plated-through hole 32, the 4th plated-through hole 42 and fifth metal through hole 52 are
R=0.5mm, the first annular groove 26, the groove width of the second annular groove 36, the 3rd annular groove 46 and the 4th annular groove 56 are
S=0.1mm,.
The balun wave filter of the present embodiment is to build in the business full-wave electromagnetic simulation software HFSS.13 of ANSYS company
Imitate true.For the impact to antenna performance for the parameters in practical situation for the accurate analog varactor, according to factory
The technical reference of the varactor SMV-2019LF that business provides, using Lumped RLC border in HFSS
Condition carries out Accurate Model to varactor.
Fig. 5 is under the frequency based on varactor and the polarization online polarized state of reconstructable microstrip aerial in the present embodiment
The simulation result figure that changes with varactor capacitance of return loss.Can be seen that with transfiguration two from the result of in figure
Capacitance C of pole pipe1And C2Change to 2pF from 0.35pF simultaneously, work frequency under the online polarized state of this antenna, can be realized
Rate continuously adjustabe in the range of 1.76GHz～2.31GHz, relatively BREATHABLE BANDWIDTH are echo in 27.03%, and pass band tunable
Loss is below -10dB.
Fig. 6 and Fig. 7 be the frequency based on varactor in the present embodiment and polarization reconstructable microstrip aerial left-handed and
Return loss under right-handed circular polarization state and axle are than the simulation result figure under four groups of typical varactor capacitances.From figure
In result can be seen that this antenna and can realize operating frequency under left-handed or right-handed circular polarization state and exist
Adjustable in the range of 1.88GHz～2.28GHz, BREATHABLE BANDWIDTH 19.23% relatively, and in pass band tunable, return loss is below
- 10dB, axle ratio is below 3dB.It should be noted that, although the axle of in figure result is entirely more adjustable than not being completely covered
Passband, but can be by selecting suitable varactor capacitance entirely adjustable logical to realize adjustable axial ratio bandwidth covering
Band.
Fig. 8 is the frequency based on varactor in the present embodiment and polarization reconstructable microstrip aerial in C1=C2=1.1pF
The antenna pattern of emulation under state, wherein Fig. 8 (a) is the antenna pattern in E face, and Fig. 8 (b) is the spoke in H face
Penetrate directional diagram.Can be seen that this antenna from the result of in figure and there is good omnidirectional radiation characteristic, have good simultaneously
Cross-polarization levels, less than -27dB.
Fig. 9 is the frequency based on varactor in this example and polarization reconstructable microstrip aerial in C1=0.3pF, C2=
The antenna pattern of emulation under 0.45pF state, wherein Fig. 9 (a) is the antenna pattern in E face, and Fig. 9 (b) is H
The antenna pattern in face.Can be seen that this antenna from the result of in figure and there is good left-hand circular polarization radiation characteristic, with
When there are good cross-polarization levels, less than -19.4dB.
Figure 10 is the frequency based on varactor in this example and polarization reconstructable microstrip aerial in C1=0.45pF, C2
The antenna pattern of emulation under=0.3pF state, wherein Figure 10 (a) is the antenna pattern in E face, Figure 10 (b)
It is the antenna pattern in H face.Can be seen that this antenna from the result of in figure and there is good right-handed circular polarization radiation characteristic,
There are good cross-polarization levels simultaneously, less than -19.4dB.
In sum, the frequency based on varactor for the present invention and polarization reconstructable microstrip aerial, have low section, knot
The advantages of structure is simple, radiation characteristic stablize under each restructural state, this reconstructable microstrip aerial is highly suitable for modern nothing
Line communication system.
Claims (8)
1. a kind of frequency based on varactor and polarization reconstructable microstrip aerial it is characterised in that：Including being arranged at
The circular patch (1) of medium substrate (7) upper surface, the first fan-shaped paster (2), the second fan-shaped paster (3), the 3rd
Fan-shaped paster (4), four fan-shaped paster (5), the first square patch (11), the second square patch (21), third party
Shape paster (31), quad patch (41), the 5th square patch (51), the first inductance (13), the second inductance (23),
3rd inductance (33), the 4th inductance (43), the 5th inductance (53), the first varactor (24), the second transfiguration two
Pole pipe (25), the 3rd varactor (34), the 4th varactor (35), the 5th varactor (44),
Six varactors (45), the 7th varactor (54), the 8th varactor (55), are arranged at medium substrate
(7) round metal grounding plate (8) of lower surface, feed port (6), the first annular groove (26), the second annular groove (36),
3rd annular groove (46), the 4th annular groove (56), the first circular patch (27), the second circular patch (37), the 3rd
Circular patch (47), the 4th circular patch (57), and the first plated-through hole vertically penetrating medium substrate (7)
(12), the second plated-through hole (22), the 3rd plated-through hole (32), the 4th plated-through hole (42), five metals
Genusization through hole (52)；
Described first～four fan-shaped paster (2,3,4,5) symmetrically is distributed in the surrounding of circular patch (1), and
Each end points of first～four fan-shaped paster (2,3,4,5) short arc respectively pass through the first～eight varactor (24,25,
34th, 35,44,45,54,55) connect with circular patch (1), the first square patch (11) passes through the first inductance
(13) connect with circular patch (1), the second～five square patch (21,31,41,51) passes through the second～five respectively
Inductance (23,33,43,53) is connected with the midpoint of first～four fan-shaped paster (2,3,4,5) long arc；First～
Five plated-through holes (12,22,32,42,52) be respectively arranged at the first～five square patch (11,21,31,41,
51) center, the first～tetra- annular groove (26,36,46,56) respectively with the second～five plated-through hole (22,32,
42nd, 52) be etched in the lower surface of round metal grounding plate (8) for the center of circle, the first～tetra- annular groove (26,36,46,
56) inside is respectively provided with the first～tetra- circular patch (27,37,47,57), the inner wire probe of feed port (6)
Pass perpendicularly through medium substrate (7) to be connected with circular patch (1), the outer conductor of feed port (6) and circular metal ground
Plate (8) connects.
2. the frequency based on varactor according to claim 1 and polarization reconstructable microstrip aerial, its feature
It is：Described the first inductance (13) is connected across between the first square patch (11) and circular patch (1), and second
Inductance (23) is connected across between the second square patch (21) and the first fan-shaped paster (2), the 3rd inductance (33) across
It is connected between third party's shape paster (31) and the second fan-shaped paster (3), the 4th inductance (43) is connected across square
Between paster (41) and the 3rd fan-shaped paster (4), the 5th inductance (53) be connected across the 5th square patch (51) and
Between four fan-shaped paster (5).
3. the frequency based on varactor according to claim 1 and polarization reconstructable microstrip aerial, its feature
It is：Described the first varactor (24) and the second varactor (25) are all connected across circular patch (1)
With first between fan-shaped paster (2), the 3rd varactor (34) and the 4th varactor (35) are all connected across
Between circular patch (1) and the second fan-shaped paster (3), the 5th varactor (44) and the 6th varactor (45)
All it is connected across between circular patch (1) and the 3rd fan-shaped paster (4), the 7th varactor (54) and the 8th transfiguration
Diode (55) is all connected across circular patch (1) and four fan-shaped paster (5) between.
4. the frequency based on varactor according to claim 1 and polarization reconstructable microstrip aerial, its feature
It is：Described the first plated-through hole (12), the second plated-through hole (22), the 3rd plated-through hole (32),
4th plated-through hole (42), fifth metal through hole (52) be respectively intended to connect the first square patch (11), second
Square patch (21), third party's shape paster (31), in quad patch (41) and the 5th square patch (51)
The heart and metal ground plate (8).
5. the frequency based on varactor according to claim 1 and polarization reconstructable microstrip aerial, its feature
It is：Described first circular patch (27), the 3rd circular patch (47) they are in diagonal, and the first circular patch (27),
3rd circular patch (47) is all connected with the positive pole of one group of direct voltage source by wire, the second circular patch (37),
4th circular patch (57) is in diagonal, and the first circular patch (27), the 3rd circular patch (47) are all by wire
It is connected with the positive pole of another group of direct voltage source, the negative pole of this two groups of direct voltage sources is all by wire and circular metal floor
(8) connect.
6. the frequency based on varactor according to claim 1 and polarization reconstructable microstrip aerial, its feature
It is：This microstrip antenna adopts individual layer pcb board to realize, and wherein the thickness of medium substrate (7) is 3.175mm.
7. the frequency based on varactor according to claim 1 and 2 and polarization reconstructable microstrip aerial, its
It is characterised by：Described the first inductance (13), the second inductance (23), the 3rd inductance (33), the 4th inductance (43),
The inductance value of the 5th inductance (53) is 47nH.
8. the frequency based on varactor according to claim 1 or 3 and polarization reconstructable microstrip aerial, its
It is characterised by：Described the first varactor (24), the second varactor (25), the 3rd varactor (34),
4th varactor (35), the 5th varactor (44), the 6th varactor (45), the 7th transfiguration two pole
Pipe (54), model SMV-2019LF of the 8th varactor (55).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510465332.1A CN106410416A (en) | 2015-07-31 | 2015-07-31 | Frequency and polarization reconfigurable microstrip antenna based on varactor diodes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510465332.1A CN106410416A (en) | 2015-07-31 | 2015-07-31 | Frequency and polarization reconfigurable microstrip antenna based on varactor diodes |
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| CN107342456A (en) * | 2017-06-21 | 2017-11-10 | 西安电子科技大学昆山创新研究院 | A kind of minimized wide-band wave beam restructural radar antenna |
| CN107482310A (en) * | 2017-08-22 | 2017-12-15 | 深圳市深大唯同科技有限公司 | A kind of directional diagram electricity line transfer polarized dipole and electrical sub-antenna |
| CN107768820A (en) * | 2017-10-31 | 2018-03-06 | 华南理工大学 | A kind of differential frequency reconfigurable antenna |
| CN108023178A (en) * | 2017-12-01 | 2018-05-11 | 电子科技大学 | A kind of directional diagram reconstructable aerial and its phased array |
| CN108682971A (en) * | 2018-03-22 | 2018-10-19 | 南京理工大学 | A kind of restructural micro-strip array antenna of Ku/Ka audio range frequencies |
| CN108987913A (en) * | 2018-06-20 | 2018-12-11 | 东南大学 | A kind of frequency, the restructural paster antenna of polarization |
| CN110504534A (en) * | 2019-08-07 | 2019-11-26 | 深圳市航天华拓科技有限公司 | A kind of dual polarized antenna |
| CN110611163A (en) * | 2019-09-19 | 2019-12-24 | 西北工业大学 | Frequency reconfigurable patch antenna with stable radiation performance |
| CN110797645A (en) * | 2019-10-12 | 2020-02-14 | 北京航空航天大学 | Antenna with a shield |
| CN111009738A (en) * | 2018-10-04 | 2020-04-14 | 和硕联合科技股份有限公司 | Antenna device |
| CN113193374A (en) * | 2021-04-27 | 2021-07-30 | 重庆邮电大学 | Frequency reconfigurable antenna loaded with PIN diode and method |
| CN111262008B (en) * | 2020-02-10 | 2021-09-07 | 南京信息工程大学 | Directional diagram reconfigurable antenna for human body communication |
| CN113571889A (en) * | 2021-07-22 | 2021-10-29 | 中国电子科技集团公司第三十八研究所 | Antenna array with frequency agility and controllable polarization and directional diagram |
| CN113644452A (en) * | 2021-08-09 | 2021-11-12 | 南京信息工程大学 | Antenna with reconfigurable polarization and directional diagram |
| CN113644429A (en) * | 2021-08-10 | 2021-11-12 | 合肥工业大学 | Planar microwave passive device capable of reconstructing four microwave functions |
| CN113690593A (en) * | 2021-08-27 | 2021-11-23 | 北京星英联微波科技有限责任公司 | High-gain low-profile circularly polarized antenna |
| 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 |
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| CN107342456A (en) * | 2017-06-21 | 2017-11-10 | 西安电子科技大学昆山创新研究院 | A kind of minimized wide-band wave beam restructural radar antenna |
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| CN108682971A (en) * | 2018-03-22 | 2018-10-19 | 南京理工大学 | A kind of restructural micro-strip array antenna of Ku/Ka audio range frequencies |
| CN108987913A (en) * | 2018-06-20 | 2018-12-11 | 东南大学 | A kind of frequency, the restructural paster antenna of polarization |
| CN108987913B (en) * | 2018-06-20 | 2020-09-11 | 东南大学 | Frequency and polarization reconfigurable patch antenna |
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| CN111009738B (en) * | 2018-10-04 | 2021-05-07 | 和硕联合科技股份有限公司 | Antenna device |
| CN110504534A (en) * | 2019-08-07 | 2019-11-26 | 深圳市航天华拓科技有限公司 | A kind of dual polarized antenna |
| CN110611163A (en) * | 2019-09-19 | 2019-12-24 | 西北工业大学 | Frequency reconfigurable patch antenna with stable radiation performance |
| CN110797645A (en) * | 2019-10-12 | 2020-02-14 | 北京航空航天大学 | Antenna with a shield |
| CN111262008B (en) * | 2020-02-10 | 2021-09-07 | 南京信息工程大学 | Directional diagram reconfigurable antenna for human body communication |
| CN113193374A (en) * | 2021-04-27 | 2021-07-30 | 重庆邮电大学 | Frequency reconfigurable antenna loaded with PIN diode and method |
| CN113571889B (en) * | 2021-07-22 | 2023-05-09 | 中国电子科技集团公司第三十八研究所 | Antenna array with agile frequency and controllable polarization and directional diagram |
| CN113571889A (en) * | 2021-07-22 | 2021-10-29 | 中国电子科技集团公司第三十八研究所 | Antenna array with frequency agility and controllable polarization and directional diagram |
| CN113644452A (en) * | 2021-08-09 | 2021-11-12 | 南京信息工程大学 | Antenna with reconfigurable polarization and directional diagram |
| CN113644452B (en) * | 2021-08-09 | 2023-04-25 | 南京信息工程大学 | Antenna with reconfigurable polarization and directional diagram |
| CN113644429A (en) * | 2021-08-10 | 2021-11-12 | 合肥工业大学 | Planar microwave passive device capable of reconstructing four microwave functions |
| CN113644429B (en) * | 2021-08-10 | 2022-08-02 | 合肥工业大学 | Planar microwave passive device capable of reconstructing four microwave functions |
| CN113690593A (en) * | 2021-08-27 | 2021-11-23 | 北京星英联微波科技有限责任公司 | High-gain low-profile circularly polarized antenna |
| CN113690593B (en) * | 2021-08-27 | 2022-04-01 | 北京星英联微波科技有限责任公司 | High-gain low-profile circularly polarized antenna |
| US12113286B2 (en) | 2021-08-27 | 2024-10-08 | Nan Hu | High-gain low-profile circularly polarized antenna |
| 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 |
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