CN110299595A - SIW Fed Dielectric Resonator device and antenna, the filter for using the resonator - Google Patents
SIW Fed Dielectric Resonator device and antenna, the filter for using the resonator Download PDFInfo
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- CN110299595A CN110299595A CN201910536600.2A CN201910536600A CN110299595A CN 110299595 A CN110299595 A CN 110299595A CN 201910536600 A CN201910536600 A CN 201910536600A CN 110299595 A CN110299595 A CN 110299595A
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- siw
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/16—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion
- H01P1/163—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion specifically adapted for selection or promotion of the TE01 circular-electric mode
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/10—Dielectric resonators
- H01P7/105—Multimode resonators
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Abstract
The invention discloses a kind of SIW Fed Dielectric Resonator device and using antenna, the filter of the resonator, including SIW chamber and dielectric resonator, about the first plane, symmetrical, front and back side is symmetrical about the second plane for the two left and right sides；SIW chamber includes metal layer at top, medium substrate, bottom metal layers, the feed probes connecting with bottom metal layers apex drive port protrude into dielectric resonator after running through SIW chamber, the feed probes connecting with the non-central feed port of bottom metal layers are connect after running through SIW chamber with metal layer at top, and two probe lines are parallel to the first plane and perpendicular to the second plane；SIW chamber has two slide slots for being symmetrically distributed in the first plane two sides, slide slot is vertical with the first plane and parallel with the second plane, having in slide slot can be in the short-circuit bolt wherein moved, the present invention may be used on multiple functions by selection port feed, can realize that certain function operation frequencies are adjustable by adjusting short-circuit bolt position.
Description
Technical field
The present invention relates to the communications field more particularly to a kind of SIW Fed Dielectric Resonator device and using the day of the resonator
Line, filter.
Background technique
Substrate integration wave-guide (SIW) structure is metallized by medium upper and lower surface and in two sides plated-through hole by electromagnetism
Wave beam is tied in medium, to realize the laser propagation effect for being similar to conventional metals waveguide.It innately has conventional metals waveguide
Advantage, and be planar structure, the needs of the microwave current system integration have been better meet, microwave antenna and electricity are had become
The research hotspot in road field.
SIW low-loss, characteristic easy of integration make it often be used directly design antenna or as other types antenna
Feed system improves the performance of antenna.For example, the lens antenna of SIW feed provides the conventional horn antenna of low cost
Replacer；SIW is fed to traditional microstrip antenna, to obtain the linear and circular polarization characteristics in broadband；Utilize TE in SIW20Mould
Constant amplitude reversed nature realizes the feed of difference micro-strip paster antenna, obtains symmetrical directional diagram and low-cross polarization performance；It utilizes
SIW chamber is fed to medium resonator antenna, and the latter had both been used as radiating element or had been used as afterbody resonator, comprehensive design filtering
Antenna.It can be seen that SIW has flexible and changeable form and outstanding performance as antenna feed structure.The main mould TE of SIW structure10Mould
Design filter, balun, power splitter etc. is even more widely used for be applied in microwave and millimeter wave Circuits and Systems.
The above various applications are all to design specific SIW feed system individually for concrete application.
Summary of the invention
The technical problem to be solved in the present invention is that tool will be designed for each application for the above-mentioned of the prior art
The defect of the SIW feed system of body provides a kind of SIW Fed Dielectric Resonator device and antenna, filter using the resonator.
The technical solution adopted by the present invention to solve the technical problems is: construction includes SIW chamber and is located on the SIW chamber
The dielectric resonator on surface, the left and right sides of the SIW chamber and the left and right sides of dielectric resonator are symmetrical about the first plane simultaneously,
The front and back side of the SIW chamber and the front and back side of dielectric resonator are also symmetrical about the second plane simultaneously, when with SIW bottom centre
For origin, it is parallel to the first plane and is x-axis perpendicular to the second plane, perpendicular to the first plane and be parallel to the second plane as y
Axis establishes coordinate system, and the main mould of the SIW chamber is TE110Mould, the higher mode of the SIW chamber are TE210Mould；
The SIW chamber includes the metal layer at top being stacked from top to bottom, medium substrate, bottom metal layers, the first feedback
Electric probe is connect with the first feed port for being located at bottom metal layers center, and the first feed probes protrude into described after SIW chamber
In dielectric resonator, the second feed probes second feed port non-central with bottom metal layers are located at is connect, and the second feed is visited
Needle is connect after running through SIW chamber with metal layer at top, and the line between the second feed probes and the first feed probes is parallel to first
Plane and perpendicular to the second plane；
The SIW chamber has two slide slots for being symmetrically distributed in first plane two sides, the extension of the slide slot
Direction is vertical with the first plane and parallel with the second plane, and the coordinate when extending direction of the slide slot and definition TE mode
The y-axis of system is parallel, has a short-circuit bolt that can be moved in the slide slot in each slide slot.
In SIW Fed Dielectric Resonator device of the present invention, the metal layer at top, medium substrate, bottom metal layers
Two strip grooves in left and right are offered respectively, and the metal layer at top, medium substrate, bottom metal layers lean on the strip groove face on the left side
Setting forms first slide slot, and the metal layer at top, medium substrate, bottom metal layers lean on the strip groove face on the right
Setting forms second slide slot.
In SIW Fed Dielectric Resonator device of the present invention, the short circuit bolt is metallic article.
In SIW Fed Dielectric Resonator device of the present invention, described two short circuit bolts are symmetrical about first plane.
In SIW Fed Dielectric Resonator device of the present invention, is offered in the metal layer at top and be symmetrically distributed in institute
Two coupling windows of the second plane two sides are stated, the coupling window itself is symmetrical about the first plane, and described two coupling windows are located at
Between described two slide slots, one of coupling window is between the first feed probes and the second feed probes.
In SIW Fed Dielectric Resonator device of the present invention, the dielectric resonator, metal layer at top, medium substrate,
The plane projection profile of bottom metal layers is in rectangle.
In SIW Fed Dielectric Resonator device of the present invention, the coupling window is rectangle, the length of the coupling window
It is oriented parallel to first plane, the width direction of the coupling window is parallel to second plane.
A kind of antenna has also been constructed in another aspect of the present invention, using such as preceding described in any item SIW Fed Dielectric Resonator devices.
A kind of filter has also been constructed in another aspect of the present invention, using such as preceding described in any item SIW Fed Dielectric Resonators
Device.
SIW Fed Dielectric Resonator device of the invention and antenna, filter using the resonator, have below beneficial to effect
Fruit: the present invention feeds dielectric resonator using SIW chamber, makes full use of the multimode cavity characteristic of SIW chamber, cooperates multiport
Multi-functional, the restructural application in single ended system may be implemented with short-circuit bolt, because of functioning as TE for short-circuit bolt110Mould
Resonant cavity is compressed, and the distribution of field is related with loading position of the short-circuit bolt in SIW chamber at this time, and field strength is stronger at load,
Influence is bigger, therefore the resonance frequency of the mode also changes more, while along the short-circuit bolt of y-axis load to TE210Mould
Field distribution does not have any influence, therefore the independent control of two modes may be implemented in this mode, it is possible to by adjusting short
The position of road bolt applies SIW Fed Dielectric Resonator device of the invention in multifunction device, for example antenna, filter are single respectively
Solely or work at the same time.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings:
Fig. 1 is the exploded view of SIW Fed Dielectric Resonator device of the invention；
Fig. 2 is the top view of SIW chamber；
Fig. 3 is the bottom view of SIW chamber；
Fig. 4 is the reflection coefficient of emulation and test antenna and the comparison diagram of gain；
Directional diagram when Fig. 5 is emulation and test Antenna Operation；
Fig. 6 is the S parameter schematic diagram for the tunable filter function of being realized using SIW Fed Dielectric Resonator device of the invention；
Fig. 7 is shown using the S parameter of the filter and antenna function of SIW Fed Dielectric Resonator device of the invention while realization
It is intended to.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give exemplary embodiments of the invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is make it is more thorough and comprehensive to the disclosure.It answers
When understanding that the specific features in the embodiment of the present invention and embodiment are the detailed description to technical scheme, rather than
Restriction to technical scheme, in the absence of conflict, the technical characteristic in the embodiment of the present invention and embodiment can
To be combined with each other.
It should be noted that term as used herein "vertical", "horizontal", "left" and "right" and similar table
It states for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
" first ", " second " used in this specification etc. includes that the term of ordinal number can be used for illustrating various constituent elements,
But these constituent elements are not limited by these terms.It is only that using the purpose of these terms and distinguishes a constituent element
In other constituent elements.For example, first constituent element can be named as under the premise of not departing from interest field of the invention
Two constituent elements, similarly, the second constituent element can also be named as the first constituent element.
With reference to Fig. 1-3, one aspect of the present invention constructs a kind of SIW Fed Dielectric Resonator device, humorous based on the SIW feed dielectric
Shake device, can design antenna, filter etc..The SIW Fed Dielectric Resonator device include SIW chamber 100 and be located at the SIW chamber
The dielectric resonator 1 of 100 upper surfaces.
The left and right sides of the SIW chamber 100 and the left and right sides of dielectric resonator 1 are symmetrical about the first plane simultaneously, described
The front and back side of SIW chamber 100 and the front and back side of dielectric resonator 1 are also symmetrical about the second plane simultaneously, the SIW chamber 100
Main mould is TE210 mould, and the higher mode of SIW chamber 100 is TE110 mould, define the coordinate system of TE mould x-axis it is parallel with the first plane and
Vertical with the second plane, y-axis is vertical with the first plane and parallel with the second plane, z-axis and SIW chamber 100 thickness direction it is flat
Row, i.e., perpendicular to SIW chamber 100.
Specifically, the SIW chamber 100 includes the metal layer at top 2 being stacked from top to bottom, medium substrate 3, bottom gold
Belong to layer 4, the dielectric resonator 1, metal layer at top 2, medium substrate 3, bottom metal layers 4 plane projection profile be in square
Shape, certainly, this is merely illustrative, in other embodiments, can also be the symmetric shapes such as rectangle or circle.The plane meter of three
Very little identical and placing direction is consistent, i.e., the four of three side is alignment.
Wherein, the SIW chamber 100 runs through along thickness direction offers multiple metallization VIAs, the multiple metal
Changing via hole along 3 periphery of medium substrate arrangement is in rectangle.
Wherein, two coupling windows 21 for being symmetrically distributed in second plane two sides are offered in the metal layer at top 2,
The coupling window 21 itself is symmetrical about the first plane.In the present embodiment, the coupling window 21 is rectangle, the coupling window 21
Length direction be parallel to first plane, the width direction of the coupling window 21 is parallel to second plane.It needs
Bright, the shape of coupling window 21 is merely illustrative, as long as actually two coupling windows 21 are symmetrical about the second plane.
Wherein, the first feed probes P1 is connect with the first feed port A for being located at 4 center of bottom metal layers, and vertical
Protruded into after SIW chamber in the dielectric resonator 1, i.e. the first feed probes P1 sequentially pass through from bottom to top bottom metal layers 4,
Medium substrate 3, metal layer at top 2.Such as figure, bottom metal layers 4, medium substrate 3, metal layer at top 2 are along respective thickness side
Offer blind hole 11 to the bottom for being provided with via hole, dielectric resonator 1, the first feed probes P1 sequentially pass through bottom metal layers 4,
It is protruded into after via hole on medium substrate 3, metal layer at top 2 in the blind hole 11 of the dielectric resonator 1.
Wherein, the second the second feed probes P2 non-central with bottom metal layers 4 are located at feed port B is connect, and is run through
It is connect after SIW chamber with metal layer at top 2.Such as figure, bottom metal layers 4, medium substrate 3 were provided with along respective thickness direction
Hole, the second feed probes P2 are connect after sequentially passing through bottom metal layers 4, the via hole on medium substrate 3 with metal layer at top 2.
Wherein, the second feed probes P2 apart from the first feed probes P1 pre-determined distance and with the first feed probes P1 it
Between line be parallel to the first plane and perpendicular to the second plane, that is, be parallel to the x-axis.
In the present embodiment, there are two slide slots 101 for the tool of SIW chamber 100, and slide slot 101 is in the vertical direction through whole
A SIW chamber 100, extending in the horizontal plane is in line-styled.Described two slide slots 101 are symmetrically distributed in first plane two
Side, and the extending direction of the slide slot 101 is vertical with the first plane and parallel namely described with the second plane slide slot 101
Extending direction be parallel to and state y-axis.
Specifically, the metal layer at top 2, medium substrate 3, bottom metal layers 4 offer two strip grooves in left and right respectively,
Wherein: the metal layer at top 2 leans on strip groove 301, the bottom metal layers 4 on the left side by the strip groove 201 on the left side, medium substrate 3
401 face of strip groove by the left side is arranged to form first slide slot 101, and the metal layer at top 2 leans on the bar shaped on the right
Strip groove 302, the bottom metal layers 4 of slot 202, medium substrate 3 by the right lean on 402 face of strip groove on the right to be arranged to form second
A slide slot 101.
There is a short-circuit bolt 5 that can be moved in the slide slot 101 in each slide slot 101.The short circuit bolt 5
For metallic article.In application, can according to need the position of the short-circuit bolts 5 of adjustment two, when adjustment, described two short-circuit bolts 5 both might be used
To be adjusted to symmetrical about first plane, it is also possible to asymmetrical.
Specifically, two slide slots 101 are distributed in the left and right sides of two coupling windows 21, described two coupling windows 21 in other words
Between described two slide slots 101, one of coupling window 21 is located at the first feed probes P1 and the second feed probes P2
Between.The spacing of described two coupling windows 21 is less than the width of the slide slot 101.
Wherein, deviate SIW chamber TE210The corresponding second feed port B's of the second feed probes P2 of mould electric field most weak position
Signal can motivate TE210Mould can also motivate TE certainly110Mould, but the latter can not coupling excitation dielectric resonator 1.Medium
Resonator 1 is assemblied in the metal layer at top 2 of SIW chamber, utilizes TE by two differential coupling windows on SIW top of chamber metal layer 2210
Mould carries out differential feed, has motivated the main mould TE of dielectric resonator1 y 11Mould generates radiation.
Wherein, it is set to SIW chamber TE110Corresponding first feed port of the first feed probes P1 of mould electric field most strong position
A, while being in TE210Mould electric field most weak position, therefore the signal of the port can motivate TE110Mould cannot but motivate TE210Mould,
Signal is with TE110The form of mould is transmitted between the second feed port B, the first feed port A, at this point, the second feed port B,
One feed port A is used as the port I/O of filtering device, the corresponding first feed probes P1 height of the second feed port B
The impedance matching that filter can be achieved is adjusted, since its load is in the TE of SIW chamber210The TE of mould and dielectric resonator1 y 11Mould electric field
Most weak position, therefore the antenna that will not be formed to the two mode couplings has an impact.Simultaneously because the short-circuit bolt pair of load on the y axis
TE110The resonance frequency of mould has regulatory function, it is thus possible to which that realizes filter working frequency by the adjustment of short-circuit bolt position can
It adjusts.It analyzes accordingly, which can be realized multi-functional demand.
In one specific cases of design, SIW chamber εr1δ=2.3 × 10=10.2, tan-3, the thickness of medium substrate 3
1.27mm, the ε of dielectric resonator 1r2δ=2.5 × 10=38, tan-4.Each section specific size is a=b=17mm, h=
8.0mm, hf1=1.5mm, L=W=43.0mm, l1=6.0mm, w1=8.0mm, p1=12.0mm, ls=13mm, ws=
0.3mm。
The performance evaluation of several application functions of the invention is given below.
(1) differential feed dielectric resonant aerial: the first feed port A input, the second feed port B is short-circuit or connects 50 Europe
Nurse load.Only TE in SIW chamber210Mould is motivated, and is used to give dielectric resonator 1 differential feed.Emulation and test reflection coefficient and
As shown in figure 4, Antenna Operation is in 2.4GHz, emulation and the 3dB bandwidth of operation surveyed are respectively 12.5% and 16% for gain.Emulation
Maximum gain with actual measurement is respectively 5.4dBi and 5.2dBi.The radiation zero of two emulation appears in 1.6GHz and 3.22
GHz, actual measurement zero point then appear in 1.62GHz and 3.25GHz, have preferable filtering radiation characteristic.With reference to Fig. 5, the antenna side
Symmetrical to figure, emulation cross polarization is lower than -50dB, due to manufacturing and positioning errors, surveys cross polarization and is less than -30dB, this
Advantage is from differential feed form.
(2) tunable filter: the second feed port B input, the first feed port A output；Load on symmetry axis can
Mobile metal bolt realizes that frequency is adjustable.Only TE in SIW chamber110Mould is motivated, for realizing filter.The emulation and reality of filter
S parameter is surveyed as shown in fig. 6, passband central frequency is adjustable, Out-of-band rejection is functional.The frequency adjustable extent of filter reaches
32% (1.56-2.06 GHz), emulation are below -15dB with interior minimum return loss with actual measurement, and emulation is with actual measurement with interior Insertion Loss
Respectively lower than 0.5dB and 1.5dB.
(3) differential feed dielectric resonant aerial and tunable filter: the first feed port A input, the second feed end
Mouth B output.TE in SIW chamber110Mould and TE210Mould is motivated, and can realize filter and antenna function simultaneously, and filtering at this time
Device frequency is adjustable, and antenna frequencies are by substrate integration wave-guide resonant cavity TE210Mould and the control of dielectric resonator main mould frequency.Emulation
Antenna reflection coefficient and gain are consistent with Fig. 4, and directional diagram is also consistent with Fig. 5；The S parameter of comprehensive function is as shown in fig. 7, filter
Passband central frequency is adjustable, and Out-of-band rejection is functional, and filter and isolation between antennas reach 10dB or more.Antenna Operation
Frequency is fallen in the stopband of filter, and the filter of actual measurement is isolated with antenna reaches 18dB, although illustrating the two functions simultaneously
Work, but the two is mutually indepedent.It is consistent when the frequency tuning capabilities of filter work independently with it, it repeats no more.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (7)
1. a kind of SIW Fed Dielectric Resonator device, which is characterized in that including SIW chamber (100) and be located on the SIW chamber (100)
The left and right sides of the dielectric resonator (1) on surface, the left and right sides of the SIW chamber (100) and dielectric resonator (1) is simultaneously about the
One plane is symmetrical, and the front and back side of the SIW chamber (100) and the front and back side of dielectric resonator (1) are also simultaneously about the second plane
Symmetrically, the main mould of the SIW chamber (100) is TE110Mould, the higher mode of the SIW chamber are TE210Mould；
The SIW chamber (100) includes the metal layer at top (2) being stacked from top to bottom, medium substrate (3), bottom metal layers
(4), the first feed probes (P1) are connect with the first feed port for being located at bottom metal layers (4) center, the first feed probes
(P1) protrude into after the SIW chamber in the dielectric resonator (1), the second feed probes (P2) with it is non-positioned at bottom metal layers (4)
Second feed port at center connects, and the second feed probes (P2) are connect after running through SIW chamber with metal layer at top (2), the second feedback
Line between electric probe (P2) and the first feed probes (P1) is parallel to the first plane and perpendicular to the second plane；
The SIW chamber (100) has two slide slots (101) for being symmetrically distributed in first plane two sides, the slide slot
(101) extending direction is vertical with the first plane and parallel with the second plane, and the extending direction of the slide slot (101) and fixed
The y-axis of coordinate system when adopted TE mode is parallel, can be in the slide slot (101) with one in each slide slot (101)
Mobile short-circuit bolt (5).
2. SIW Fed Dielectric Resonator device according to claim 1, which is characterized in that the short circuit bolt (5) is made of metal
Part.
3. SIW Fed Dielectric Resonator device according to claim 1, which is characterized in that opened up on the metal layer at top (2)
There are two coupling windows (21) for being symmetrically distributed in second plane two sides, the coupling window (21) itself is about the first plane pair
Claim, for described two coupling windows (21) between described two slide slots (101), one of coupling window (21) is located at the first feedback
Between electric probe (P1) and the second feed probes (P2).
4. SIW Fed Dielectric Resonator device according to claim 3, which is characterized in that the dielectric resonator (1), top
Metal layer (2), medium substrate (3), bottom metal layers (4) plane projection profile be in rectangle.
5. SIW Fed Dielectric Resonator device according to claim 4, which is characterized in that the coupling window (21) is rectangle,
The length direction of the coupling window (21) is parallel to first plane, and the width direction of the coupling window (21) is parallel to described
Second plane.
6. a kind of antenna, which is characterized in that use SIW Fed Dielectric Resonator device as described in any one in claim 1-5.
7. a kind of filter, which is characterized in that use SIW Fed Dielectric Resonator device as described in any one in claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910536600.2A CN110299595A (en) | 2019-06-20 | 2019-06-20 | SIW Fed Dielectric Resonator device and antenna, the filter for using the resonator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910536600.2A CN110299595A (en) | 2019-06-20 | 2019-06-20 | SIW Fed Dielectric Resonator device and antenna, the filter for using the resonator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111697336A (en) * | 2020-05-14 | 2020-09-22 | 宿迁博翔教育科技有限公司 | LTCC filter medium resonant antenna |
| CN112688086A (en) * | 2020-11-27 | 2021-04-20 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | Dual-polarized integrated lens antenna |
| CN112768908A (en) * | 2020-12-29 | 2021-05-07 | 南通大学 | Integrated structure of differential dielectric resonator antenna and independent controllable dual-passband filter |
| CN112928478A (en) * | 2021-01-25 | 2021-06-08 | 电子科技大学 | Wide-beam stepped dielectric resonator antenna based on high-order mode superposition |
| CN113690606A (en) * | 2021-09-02 | 2021-11-23 | 南通大学 | Frequency-reconfigurable broadband enhanced dielectric patch antenna |
| CN113871902A (en) * | 2021-09-24 | 2021-12-31 | 西安电子科技大学 | MIMO multi-cavity butterfly filter antenna based on SIW structure |
| CN114336025A (en) * | 2021-12-29 | 2022-04-12 | 杭州电子科技大学 | Filtering liquid dielectric resonator antenna with reconfigurable transparent polarization and bandwidth |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111697336A (en) * | 2020-05-14 | 2020-09-22 | 宿迁博翔教育科技有限公司 | LTCC filter medium resonant antenna |
| CN112688086A (en) * | 2020-11-27 | 2021-04-20 | 中国电波传播研究所（中国电子科技集团公司第二十二研究所） | Dual-polarized integrated lens antenna |
| CN112768908A (en) * | 2020-12-29 | 2021-05-07 | 南通大学 | Integrated structure of differential dielectric resonator antenna and independent controllable dual-passband filter |
| CN112768908B (en) * | 2020-12-29 | 2021-09-10 | 南通大学 | Integrated structure of differential dielectric resonator antenna and independent controllable dual-passband filter |
| CN112928478A (en) * | 2021-01-25 | 2021-06-08 | 电子科技大学 | Wide-beam stepped dielectric resonator antenna based on high-order mode superposition |
| CN112928478B (en) * | 2021-01-25 | 2022-07-29 | 电子科技大学 | Wide-beam stepped dielectric resonator antenna based on high-order mode superposition |
| CN113690606A (en) * | 2021-09-02 | 2021-11-23 | 南通大学 | Frequency-reconfigurable broadband enhanced dielectric patch antenna |
| CN113871902A (en) * | 2021-09-24 | 2021-12-31 | 西安电子科技大学 | MIMO multi-cavity butterfly filter antenna based on SIW structure |
| CN113871902B (en) * | 2021-09-24 | 2022-10-25 | 西安电子科技大学 | MIMO multi-cavity butterfly filter antenna based on SIW structure |
| CN114336025A (en) * | 2021-12-29 | 2022-04-12 | 杭州电子科技大学 | Filtering liquid dielectric resonator antenna with reconfigurable transparent polarization and bandwidth |
| CN114336025B (en) * | 2021-12-29 | 2024-01-30 | 杭州电子科技大学 | Filtering liquid medium resonator antenna with reconfigurable transparent polarization and bandwidth |
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