CN108631055A - A kind of double frequency round polarized idol modular ring antenna - Google Patents
A kind of double frequency round polarized idol modular ring antenna Download PDFInfo
- Publication number
- CN108631055A CN108631055A CN201810316843.0A CN201810316843A CN108631055A CN 108631055 A CN108631055 A CN 108631055A CN 201810316843 A CN201810316843 A CN 201810316843A CN 108631055 A CN108631055 A CN 108631055A
- Authority
- CN
- China
- Prior art keywords
- idol
- arm
- minor matters
- double frequency
- round polarized
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- 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.)
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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
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/24—Polarising devices; Polarisation filters
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
Abstract
The present invention discloses a kind of double frequency round polarized idol modular ring antenna; including medium substrate, radiating element and feed element; radiating element and feed element are respectively arranged at the top layer and bottom of medium substrate; radiating element includes non-homogeneous loop and four tuning minor matters; integrally rectangular cyclic annular and inner ring is square for non-homogeneous loop, and tuning minor matters are respectively arranged at the outer side edges of non-homogeneous loop；Feed element includes the forked doublet unit of two distributions that are centrosymmetric about distributing point, and each forked doublet unit includes main side arm and principal arm, two principal arms are arranged and are connected along the diagonal line, main side arm is vertically connected at principal arm top, and left side arm and right arm are connected separately at the both ends of main side arm.The present invention have it is simple in structure, it is small, can realize double frequency round polarized, be expected to apply in wireless communication fields such as navigation, have a extensive future.
Description
Technical field
The invention belongs to microwave technical fields, and in particular to a kind of double frequency round polarized idol modular ring antenna.
Background technology
Circular polarized antenna has become the popular research direction of field of antenna, it can not only receive any type of polarization electricity
Magnetic wave, and any type of poliarizing antenna can receive the circularly polarised wave that it gives off.When being applied to navigation field, so that it may
It is omitted to avoid the information caused by the overturning of mobile terminal or other spatial movements.Due to such characteristics, a series of circle
Poliarizing antenna has been developed for satellite communication, radio frequency identification (RFID), WLAN (WLAN) and global positioning system
It unites (GPS) etc..
According to respective operation principle, traditional circular polarized antenna can be divided into three kinds of different types.The first be through
The traveling wave helical antenna of allusion quotation.When the circumference of helix is close to about guide wavelength, encourages axial mode and generate end-fire circle
Light beam.Second is crossed dipoles circular polarized antenna.A pair of orthogonal dipole is encouraged with same magnitude and inphase quadrature
To realize circular polarization radiation.Third is micro-strip paster antenna.So that antenna excitation is risen, two amplitudes are equal, and phase differs 90 degree
Orthogonal mode can obtain circular polarization radiation.
The covering surface of navigation system is further extensive at present, using also more various, in order to accurately track measurement target, adopts
It cannot have been met the requirements with the antenna of single frequency band.Also, in Bluetooth, the fields such as WLAN require wireless device
There is antenna double frequency, three frequencies, even more multifrequency to share an antenna.Therefore, the double frequency even research of multifrequency antenna have important
Theory significance and researching value.
Invention content
Goal of the invention：It is an object of the invention to solve the deficiencies in the prior art, a kind of double frequency round polarized is provided
Even modular ring antenna changes double frequency ratio by adjusting the length of four tuning minor matters, and two frequency ranges of generation have intrinsic entelechy
Change characteristic, because low frequency and high-frequency natural boundary condition are to exchange, so the circular polarization characteristics generated respectively also derotation each other.
Technical solution：A kind of double frequency round polarized idol modular ring antenna of the present invention, including medium substrate, radiating element and feed are single
Member, radiating element and feed element are respectively arranged at the top layer and bottom of medium substrate, and the radiating element includes non-homogeneous ring
Road and four tuning minor matters, non-homogeneous loop integrally rectangular cyclic annular (such as rectangle or square) and inner ring is square,
Tuning minor matters are respectively arranged at the outer side edges of non-homogeneous loop；The feed element is centrosymmetric including two about distributing point
The forked doublet unit (i.e. two forked doublet units make 180 ° of rotations about feed point) of distribution, and each forked dipole
Unit includes main side arm and principal arm, and two principal arms are arranged and are connected along the diagonal line, and main side arm is vertically connected at principal arm top,
Left side arm and right arm are connected separately at the both ends of main side arm.
The present invention is under even mould resonance, by adjusting the phase difference and tuning minor matters between the alternate arm of non-homogeneous loop
Position, make its boundary condition pattern match realize double frequency round polarized radiation characteristic；The size adjusting of minor matters is tuned by modification
The double frequency ratio of the single order idol mould of antenna and three rank idol moulds.
Further, the structure snd size all same of described two forked doublet units；By anti-between two principal arms
Feed point (i.e. distributing point) connects.
Further, the tuning minor matters of the relative edge of the non-homogeneous loop are centrosymmetric distribution with distributing point；Tuning
Minor matters are located at 1/3 and 2/3 extended spot of two adjacent edge lengths sums of square inner ring, the i.e. three rank idol mould electric currents per arm
Setting tuning minor matters at zero.
Further, 0.8 to 1.2 wavelength of the Zhou Changwei low-frequency ranges of the square inner ring of the non-homogeneous loop.
Further, the ratio of the alternate arm width of the non-homogeneous loop is 1:1 to 8:1 (such as when non-homogeneous loop
When whole square and inner ring is square, adjacent two arm ratio is 1 at this time:1).
For two-way circular polarisation effect, the length of minor matters is tuned by change by adjusts high frequency dot frequency, the tuning minor matters
Length be low-frequency range centre frequency 0 to 1/3 wavelength.
Further, the dielectric constant of the medium substrate is 2 to 20.
Advantageous effect：The present invention is fed single using the forked dipole of the non-homogeneous loop of top layer, tuning minor matters and bottom
Member can excite the two-way circular polarization radiation wave perpendicular to antenna plane, and change the length of tuning minor matters, and three ranks of disturbance are even
The resonance frequency point of mould, manufacture craft is simple, and application prospect is extensive.
Description of the drawings
Fig. 1 is the vertical view of antenna and reference coordinate schematic diagram in the present invention.
Fig. 2 is the 3 D stereo schematic diagram of antenna and reference coordinate schematic diagram in the present invention.
Fig. 3 is the antenna reflection coefficient schematic diagram calculated using HFSS softwares in embodiment.
Fig. 4 is the ZX directional diagrams at the low frequency for using HFSS softwares to draw in embodiment.
Fig. 5 is the ZX directional diagrams of the high frequency treatment drawn using HFSS softwares in embodiment.
Specific implementation mode
Technical solution of the present invention is described in detail below, but protection scope of the present invention is not limited to the implementation
Example.
As depicted in figs. 1 and 2, a kind of double frequency round polarized idol modular ring antenna of the invention, including medium substrate 1, radiation list
The dielectric constant of member and feed element, medium substrate 1 is 2 to 20, and radiating element and feed element are respectively arranged at medium substrate 1
Top layer and bottom.
Radiating element includes non-homogeneous loop 11 and four tuning minor matters 2, non-homogeneous loop 11 it is whole rectangular cyclic annular and
Inner ring is square, and tuning minor matters 2 are respectively arranged at the outer side edges of non-homogeneous loop.Also, the relative edge's of non-homogeneous loop
Tuning minor matters are centrosymmetric distribution with distributing point 10；Tune minor matters are located at two adjacent edge lengths sums of square inner ring 1/
3 and 2/3 extended spot, i.e., setting tuning minor matters at the three rank idol mould current zeros per arm；In the square of non-homogeneous loop
0.8 to 1.2 wavelength of the Zhou Changwei low-frequency ranges of ring；The ratio of the alternate arm width of non-homogeneous loop is 1:1 to 8:1 (Fig. 1 and
3 (1) and 3 (2) in Fig. 2 are respectively the width of two alternate arm of non-homogeneous loop, while square inner ring remains unchanged, and tunes branch
The installation site of section is also constant)；The length for tuning minor matters is 0 to 1/3 wavelength of low-frequency range centre frequency.Feed element includes
The forked doublet unit (4 and 5) of two distributions that are centrosymmetric about distributing point 10, and each forked doublet unit wraps
Main side arm 8 and principal arm 9 are included, two principal arms 9 are arranged and are connected along the diagonal line, and main side arm 8 is vertically connected at 9 top of principal arm, main
Left side arm 6 and right arm 7 are connected separately at the both ends of side arm 8.The structure snd size all same of two forked doublet units；
It is connected by feedback point (i.e. distributing point 10) between two principal arms 9.Wherein, the forked doublet unit 4 in upper left is towards non-homogeneous ring
The upper left corner on road 11, the forked doublet unit 5 in bottom right is towards the lower right corner of non-homogeneous loop 11.
Feed element is formed using two forked doublet units in the present invention, excites the single order of non-homogeneous loop 11 even
Mould makes its boundary condition pattern match, reaches two-way circular polarization radiation characteristic.Pass through two adjacent length of sides in square inner ring
1/3 and 2/3 extended spot (at three rank idol mould current zeros) for spending sum increases tuning minor matters, can excite three rank idol moulds simultaneously, reach
To the purpose of three rank idol moulds of disturbance, double frequency round polarized is realized.
The operation principle of the present invention is that：
The antenna that the feed element and non-homogeneous loop 11 of the present invention forms, can generate circular polarization radiation.Electricity under basic mode
Stream has 90 degree of phase differences, and the electric current under three rank idol moulds has 270 degree of phase differences, therefore can generate reversed circular polarisation；And it adjusts
Humorous minor matters 2 can have the function that disturb high frequency points, the final double frequency round polarized for realizing the present invention.
Embodiment：
In the present embodiment, the relative dielectric constant of medium substrate 1 is 2.65, and thickness is 1 millimeter；In non-homogeneous loop just
The alternate arm width ratio of 1.08 wavelength of the Zhou Changwei low-frequency ranges of rectangular inner ring, non-homogeneous loop is 3:1, it is soft using HFSS
Part carries out simulation calculation to antenna.
As shown in Figure 3, the present embodiment obtains reflectance factor characteristic using HFSS Software simulation calculations, in order to embody tuning branch
The perturbation action to three rank idol moulds is saved, the tuning minor matters of three kinds of sizes are had chosen in analog simulation, is low-frequency range center frequency respectively
1/6 wavelength (solid line) of rate, 1/4 wavelength (close dotted line) of low-frequency range centre frequency and 1/3 of low-frequency range centre frequency
Wavelength (thin dotted line).
When choosing the tuning minor matters of 1/6 wavelength, the impedance bandwidth low frequency of antenna covers 2.53GHz-2.88GHz, high
Frequency covers 4.44GHz-4.55GHz.When choosing the tuning minor matters of 1/4 wavelength, the impedance bandwidth low frequency of antenna covers
2.48GHz-2.68GHz, high frequency cover 3.73GHz-3.89GHz.When choosing the tuning minor matters of 1/3 wavelength, the resistance of antenna
Anti- bandwidth low frequency covers 2.35GHz-2.48GHz, and high frequency covers 3.30GHz-3.52GHz.It can be seen that changing tuning minor matters
Length can disturb the high frequency at three rank idol moulds.
Such as Fig. 4 and Fig. 5 it is found that the present embodiment obtains the two-way circular polarization radiation in the present invention using HFSS software emulations
Figure, the tuning minor matters length selected at this time are 1/3 wavelength of low-frequency range centre frequency, and wherein Fig. 4 is worked in 2.45GHz
The directional diagram in the faces ZX under frequency, dotted line indicate that right-handed circular polarization radiation, solid line indicate left-hand circular polarization radiation；Fig. 5 be
The directional diagram in the faces ZX under 3.11GHz working frequencies, dotted line indicate that right-handed circular polarization radiation, solid line indicate left-hand circular polarization radiation.
By Fig. 4 and Fig. 5 it is found that this kind of antenna can generate two-way circularly polarised wave, and the entelechy of low frequency and high frequency treatment in+z and the directions-z
Change characteristic derotation each other.
In conclusion the present invention's includes four tuning minor matters, non-homogeneous loop radiation device and two forked dipole feedbacks
Electric unit enables its boundary condition pattern match, can excite single order and three rank idol moulds simultaneously, realizes the past sides+z in two frequency ranges
To the circularly polarised wave of radiation derotation each other.This antenna have many advantages, such as it is simple in structure, it is small, double frequency round polarized may be implemented,
It is expected to apply in wireless communication fields such as navigation.
Claims (7)
1. a kind of double frequency round polarized idol modular ring antenna, it is characterised in that：Including medium substrate, radiating element and feed element, spoke
It penetrates unit and feed element is respectively arranged at the top layer and bottom of medium substrate, the radiating element includes non-homogeneous loop and four
Root tunes minor matters, and integrally rectangular cyclic annular and inner ring is square for non-homogeneous loop, and the center of non-homogeneous loop is equipped with distributing point,
Tuning minor matters are respectively arranged at the outer side edges of non-homogeneous loop；The feed element is centrosymmetric including two about distributing point
The forked doublet unit of distribution, and each forked doublet unit includes main side arm and principal arm, two principal arms are diagonal along this
Line is arranged and is connected, and main side arm is vertically connected at principal arm top, and left side arm and right arm are connected separately at the both ends of main side arm.
2. double frequency round polarized idol modular ring antenna according to claim 1, it is characterised in that：Described two forked dipole lists
The structure snd size all same of member；It is connected by distributing point between two principal arms.
3. double frequency round polarized idol modular ring antenna according to claim 1, it is characterised in that：The non-homogeneous loop it is opposite
The tuning minor matters on side are centrosymmetric distribution with distributing point；Tuning minor matters are located at two adjacent edge lengths sums of square inner ring
1/3 and 2/3 extended spot, i.e., setting tuning minor matters at the three rank idol mould current zeros per arm.
4. double frequency round polarized idol modular ring antenna according to claim 1, it is characterised in that：The pros of the non-homogeneous loop
0.8 to 1.2 wavelength of the Zhou Changwei low-frequency ranges of shape inner ring.
5. double frequency round polarized idol modular ring antenna according to claim 1, it is characterised in that：The non-homogeneous loop it is adjacent
The ratio of arm width is 1:1 to 8:1.
6. double frequency round polarized idol modular ring antenna according to claim 1, it is characterised in that：It is described tuning minor matters length be
0 to 1/3 wavelength of low-frequency range centre frequency.
7. double frequency round polarized idol modular ring antenna according to claim 1, it is characterised in that：The dielectric of the medium substrate is normal
Number is 2 to 20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810316843.0A CN108631055A (en) | 2018-04-10 | 2018-04-10 | A kind of double frequency round polarized idol modular ring antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810316843.0A CN108631055A (en) | 2018-04-10 | 2018-04-10 | A kind of double frequency round polarized idol modular ring antenna |
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| Publication Number | Publication Date |
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| CN108631055A true CN108631055A (en) | 2018-10-09 |
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Family Applications (1)
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| CN201810316843.0A Pending CN108631055A (en) | 2018-04-10 | 2018-04-10 | A kind of double frequency round polarized idol modular ring antenna |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113169456A (en) * | 2019-02-28 | 2021-07-23 | 半球全球卫星导航系统公司 | Broadband GNSS antenna system |
| CN113594676A (en) * | 2021-07-07 | 2021-11-02 | 安徽大学 | Millimeter wave dual-band dual-circularly polarized antenna unit, array thereof and design method thereof |
| WO2022095866A1 (en) * | 2020-11-04 | 2022-05-12 | 蓬托森思股份有限公司 | Substrate-integrated circularly polarized electromagnetic radiation structure and array |
| US11476585B1 (en) * | 2022-03-31 | 2022-10-18 | Isco International, Llc | Polarization shifting devices and systems for interference mitigation |
| US11502404B1 (en) | 2022-03-31 | 2022-11-15 | Isco International, Llc | Method and system for detecting interference and controlling polarization shifting to mitigate the interference |
| US11509072B1 (en) | 2022-05-26 | 2022-11-22 | Isco International, Llc | Radio frequency (RF) polarization rotation devices and systems for interference mitigation |
| US11509071B1 (en) | 2022-05-26 | 2022-11-22 | Isco International, Llc | Multi-band polarization rotation for interference mitigation |
| US11515652B1 (en) | 2022-05-26 | 2022-11-29 | Isco International, Llc | Dual shifter devices and systems for polarization rotation to mitigate interference |
| US11670847B1 (en) | 2022-03-31 | 2023-06-06 | Isco International, Llc | Method and system for driving polarization shifting to mitigate interference |
| US11705940B2 (en) | 2020-08-28 | 2023-07-18 | Isco International, Llc | Method and system for polarization adjusting of orthogonally-polarized element pairs |
| US11949489B1 (en) | 2022-10-17 | 2024-04-02 | Isco International, Llc | Method and system for improving multiple-input-multiple-output (MIMO) beam isolation via alternating polarization |
| US11956058B1 (en) | 2022-10-17 | 2024-04-09 | Isco International, Llc | Method and system for mobile device signal to interference plus noise ratio (SINR) improvement via polarization adjusting/optimization |
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Cited By (27)
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| US11573332B2 (en) * | 2019-02-28 | 2023-02-07 | Hemisphere GNSS, Inc. | Wideband GNSS antenna system |
| CN113169456A (en) * | 2019-02-28 | 2021-07-23 | 半球全球卫星导航系统公司 | Broadband GNSS antenna system |
| US11956027B2 (en) | 2020-08-28 | 2024-04-09 | Isco International, Llc | Method and system for mitigating interference by displacing antenna structures |
| US11881909B2 (en) | 2020-08-28 | 2024-01-23 | Isco International, Llc | Method and system for mitigating interference by rotating antenna structures |
| US11705940B2 (en) | 2020-08-28 | 2023-07-18 | Isco International, Llc | Method and system for polarization adjusting of orthogonally-polarized element pairs |
| WO2022095866A1 (en) * | 2020-11-04 | 2022-05-12 | 蓬托森思股份有限公司 | Substrate-integrated circularly polarized electromagnetic radiation structure and array |
| CN113594676A (en) * | 2021-07-07 | 2021-11-02 | 安徽大学 | Millimeter wave dual-band dual-circularly polarized antenna unit, array thereof and design method thereof |
| CN113594676B (en) * | 2021-07-07 | 2023-08-18 | 安徽大学 | Millimeter wave dual-band dual-circularly polarized antenna unit and array and design method thereof |
| WO2023192043A1 (en) * | 2022-03-31 | 2023-10-05 | Isco International, Llc | Polarization shifting devices and systems for interference mitigation |
| US11817627B2 (en) | 2022-03-31 | 2023-11-14 | Isco International, Llc | Polarization shifting devices and systems for interference mitigation |
| US11476585B1 (en) * | 2022-03-31 | 2022-10-18 | Isco International, Llc | Polarization shifting devices and systems for interference mitigation |
| US11626667B1 (en) | 2022-03-31 | 2023-04-11 | Isco International, Llc | Polarization shifting devices and systems for interference mitigation |
| US11670847B1 (en) | 2022-03-31 | 2023-06-06 | Isco International, Llc | Method and system for driving polarization shifting to mitigate interference |
| US11594821B1 (en) | 2022-03-31 | 2023-02-28 | Isco International, Llc | Polarization shifting devices and systems for interference mitigation |
| US11705629B1 (en) | 2022-03-31 | 2023-07-18 | Isco International, Llc | Method and system for detecting interference and controlling polarization shifting to mitigate the interference |
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| US11515652B1 (en) | 2022-05-26 | 2022-11-29 | Isco International, Llc | Dual shifter devices and systems for polarization rotation to mitigate interference |
| US11509072B1 (en) | 2022-05-26 | 2022-11-22 | Isco International, Llc | Radio frequency (RF) polarization rotation devices and systems for interference mitigation |
| US11837794B1 (en) | 2022-05-26 | 2023-12-05 | Isco International, Llc | Dual shifter devices and systems for polarization rotation to mitigate interference |
| US11757206B1 (en) | 2022-05-26 | 2023-09-12 | Isco International, Llc | Multi-band polarization rotation for interference mitigation |
| US11509071B1 (en) | 2022-05-26 | 2022-11-22 | Isco International, Llc | Multi-band polarization rotation for interference mitigation |
| US11705645B1 (en) | 2022-05-26 | 2023-07-18 | Isco International, Llc | Radio frequency (RF) polarization rotation devices and systems for interference mitigation |
| US11611156B1 (en) | 2022-05-26 | 2023-03-21 | Isco International, Llc | Dual shifter devices and systems for polarization rotation to mitigate interference |
| US11949489B1 (en) | 2022-10-17 | 2024-04-02 | Isco International, Llc | Method and system for improving multiple-input-multiple-output (MIMO) beam isolation via alternating polarization |
| US11956058B1 (en) | 2022-10-17 | 2024-04-09 | Isco International, Llc | Method and system for mobile device signal to interference plus noise ratio (SINR) improvement via polarization adjusting/optimization |
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Application publication date: 20181009 |