CN110265779A - A kind of high low elevation gain satellite navigation terminal antennae of diesis shape broadband - Google Patents
A kind of high low elevation gain satellite navigation terminal antennae of diesis shape broadband Download PDFInfo
- Publication number
- CN110265779A CN110265779A CN201910668185.6A CN201910668185A CN110265779A CN 110265779 A CN110265779 A CN 110265779A CN 201910668185 A CN201910668185 A CN 201910668185A CN 110265779 A CN110265779 A CN 110265779A
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- dielectric
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- medium plate
- dipole arm
- shape
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- 239000000523 sample Substances 0.000 claims abstract description 21
- 230000005855 radiation Effects 0.000 claims abstract description 19
- 230000010363 phase shift Effects 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000013256 coordination polymer Substances 0.000 description 2
- 125000000058 cyclopentadienyl group Chemical group C1(=CC=CC1)* 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- ZSWFCLXCOIISFI-UHFFFAOYSA-N endo-cyclopentadiene Natural products C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
- H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
Landscapes
- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention relates to a kind of high low elevation gain satellite navigation terminal antennaes of diesis shape broadband, including first, two, three, four dielectric-slabs and fence shape dielectric-slab, first, second medium plate is arranged in parallel up and down, third, four dielectric-slab right-angled intersections are simultaneously vertically arranged to first, between second medium plate, first medium plate upper surface is printed with the radiation patch constituted from phase shift dipole arm by two Duis, third, the front surface of four dielectric-slabs is printed with the radiation patch with dipole arm, to form right-angled intersection dipole arm, third, the rear surface of four dielectric-slabs is printed with feeder line, radiation patch and feeder line are connected through probe, it is connect from phase shift dipole arm with right-angled intersection dipole arm through probe, second medium plate downside is equipped with feeding network, feeder line is connect through probe with feeding network, fence shape dielectric-slab is enclosed set on second medium plate circumference, it encloses Columns dielectric-slab is equipped with several gaps.The antenna structure is conducive to enhance the directionality and low elevation gain of antenna.
Description
Technical field
The present invention relates to wireless communication technology fields, and in particular to a kind of high low elevation gain satellite of diesis shape broadband
Navigation terminal antenna.
Background technique
Global positioning system (GPS) is such as positioned since it is widely applied, and is navigated synchronous with clock, is always a heat
The research topic of door.In general, GPS antenna needs right hand circular polarisation (RHCP), the high antenna gain of wide beamwidth and the low elevation angle.
GPS receiver is needed from least four satellite received signals to determine the position 3D.Broad-band antenna can effectively increase covering model
Signal is enclosed and receives, even if being also such at the low elevation angle.The prior art has been directed to the different circular polarisation of GPS application study
(CP) antenna.For example, the quadrifilar helix antenna for providing very broad heart-shaped radiation mode is widely used.It can be by changing
Become the number of turns and helix length and diameter ratio to control the shape of antenna pattern.However, it is difficult to accurately manufacture helical structure.
This may be a problem, because its antenna performance is very sensitive to the foozle of structure asymmetry and feeding unbalance.It is existing
There is technology to devise many micro-strip GPS antennas, because their shapes are low, structure is simple.However, their beam angle is not
It is very wide, and their antenna gain is strongly reduced at the low elevation angle.For example, their elevation angle is that elevation angle theta=85 ° are lower than 0
DBic, some are even lower than -5 dBic.The CP mode diversity antenna for episphere covering has been disclosed in the prior art.It
Omnidirectional port gain θ=90 ° of about 1 dBic can be provided, increase system complexity due to its dual-port structure.?
In the communication, the single port broad beam cross dipole antenna of the low elevation gain with enhancing is had studied.Antenna is printed by four Duis
Dipole triads are at they are by two orthogonal and quadrature current feeds to generate RHCP.The dipole and ground level of bending can be with
Enhance low elevation gain.By using the box-packed cavity with inclined slot, low elevation gain is further enhanced.ANSYS HFSS
For artificial antenna, manufactures prototype and measure to verify simulation.The Antenna Operation has good in GPS L1 and BD B1 frequency range
Impedance matching and axis ratio (AR).It has wider 3 dB AR beam angle and 3 dB gain beam angles.Its simulation and
Measurement antenna gain is θ=70 °, dextrorotation 1.2dBic, higher than negative value common in existing GPS antenna.
Summary of the invention
The purpose of the present invention is to provide a kind of high low elevation gain satellite navigation terminal antennaes of diesis shape broadband, should
Antenna structure is conducive to enhance the directionality and low elevation gain of antenna.
To achieve the above object, the technical scheme is that a kind of high low elevation gain satellite of diesis shape broadband
Navigation terminal antenna, including the first, second, third, fourth dielectric-slab and fence shape dielectric-slab, the first medium plate and second
Dielectric-slab is arranged in parallel up and down, the third dielectric-slab and the 4th dielectric-slab right-angled intersection and be vertically arranged to first medium plate and
Between second medium plate, first medium plate upper surface is printed with the radiation patch constituted from phase shift dipole arm by two Duis,
The front surface of the third dielectric-slab and the 4th dielectric-slab is printed with the radiation patch with dipole arm, in third dielectric-slab
Right-angled intersection dipole arm, the rear surface of the third dielectric-slab and the 4th dielectric-slab are formed when arranged in a crossed manner with the 4th dielectric-slab
Be printed with feeder line, radiation patch and feeder line are connected through probe, on the first medium plate from phase shift dipole arm and third, the
Right-angled intersection dipole arm on four dielectric-slabs is connected through probe, and second medium plate downside is equipped with feeding network, described
Feeder line in third, the 4th dielectric-slab is connect through probe with feeding network, and the fence shape dielectric-slab is enclosed set on second medium plate
Circumference, the fence shape dielectric-slab medial surface are radiating surface, and the fence shape dielectric-slab is equipped with several gaps.
Further, 4 of first medium plate upper surface from phase shift dipole arm be bent structure, with increase
The impedance bandwidth and axial ratio bandwidth of antenna.
Further, the dipole arm of the third dielectric-slab and the 4th dielectric-slab front surface is bent structure, with
Increase the impedance bandwidth and axial ratio bandwidth of antenna.
Further, the radiation patch of the third dielectric-slab and the 4th dielectric-slab include dipole arm and be set to dipole
Radiator below arm.
Further, the third dielectric-slab and the feeder line of the 4th dielectric-slab rear surface are inverted l-shaped structure, the inverted L-shaped
The feeder line upper end of structure is connect through probe with radiation patch, and lower end is connect through probe with feeding network.
Further, the feeding network is realized using T shape power splitter, and the edge of the feeding network has an end
Mouthful.
Compared with prior art, it is faced upward the invention has the following advantages: providing a kind of diesis shape broadband height
Angle gain satellite navigation terminal antenna, the antenna are set simultaneously by each dielectric-slab and the new structural design of dipole arm thereon
Fence shape dielectric-slab is set, the directionality and ground elevation gain of antenna are enhanced.The antenna has preferable low elevation gain, orientation
Property is good, is suitably applied in navigation equipment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Fig. 2 is the feeding network figure in the embodiment of the present invention.
Fig. 3 is the front view of third dielectric-slab in the embodiment of the present invention.
Fig. 4 is the rearview of third dielectric-slab in the embodiment of the present invention.
Fig. 5 is the front view of the 4th dielectric-slab in the embodiment of the present invention.
Fig. 6 is the rearview of the 4th dielectric-slab in the embodiment of the present invention.
Fig. 7 is the bottom view of first medium plate in the embodiment of the present invention.
In figure, 1- first medium plate；2- second medium plate；3- third dielectric-slab；The 4th dielectric-slab of 4-；5- fence shape medium
Plate；6- is from phase shift dipole arm；7- right-angled intersection dipole arm；8- probe；9- probe；10- probe；11- feeding network；12-
Feeder line；The gap 13-；14- radiator；The port 15-.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is described in further details.
The present invention provides a kind of high low elevation gain satellite navigation terminal antennae of diesis shape broadband, as shown in Figure 1, packet
Include first medium plate 1, second medium plate 2, third dielectric-slab 3, the 4th dielectric-slab 4 and fence shape dielectric-slab 5, first medium plate 1
It is arranged in parallel with about 2 second medium plate, third dielectric-slab 3 and 4 right-angled intersection of the 4th dielectric-slab are simultaneously vertically arranged to first Jie
Between scutum 1 and second medium plate 2,1 upper surface of first medium plate is printed with the radiation constituted from phase shift dipole arm 6 by two Duis
The front surface of patch, third dielectric-slab 3 and the 4th dielectric-slab 4 is printed with the radiation patch with dipole arm, to be situated between in third
Form right-angled intersection dipole arm 7 when scutum 3 and the 4th dielectric-slab 4 arranged in a crossed manner, third dielectric-slab 3 and the 4th dielectric-slab 4
Rear surface is printed with feeder line 12, and radiation patch is connect with feeder line 12 through probe 9, on first medium plate 1 from phase shift dipole arm 6
It is connect with the right-angled intersection dipole arm 7 on third dielectric-slab 3, the 4th dielectric-slab 4 through probe 8,2 downside of second medium plate is set
There is feeding network 11, the feeder line 12 on third dielectric-slab 3, the 4th dielectric-slab 4 is connect through probe 10 with feeding network 11, fence shape
Dielectric-slab 5 is enclosed set on 2 circumference of second medium plate, and 5 medial surface of fence shape dielectric-slab is radiating surface, if fence shape dielectric-slab is equipped with
Dry joint gap 13.
In the present embodiment, 4 of 1 upper surface of first medium plate from phase shift dipole arm be bent structure, with increase
Add the impedance bandwidth and axial ratio bandwidth of antenna.The size of 4 dipole arms is different, but symmetrical configuration, realize antenna from phase
It moves, increases the impedance bandwidth and axial ratio bandwidth of antenna by the adjustment of dipole arm size.
The radiation patch of third dielectric-slab 3 and the 4th dielectric-slab 4 includes dipole arm and the spoke below dipole arm
The dipole arm of beam 14,4 front surface of third dielectric-slab 3 and the 4th dielectric-slab is bent structure, to increase the resistance of antenna
Anti- bandwidth and axial ratio bandwidth, radiator 14 are semicircle or other shapes.4 rear surface of third dielectric-slab 3 and the 4th dielectric-slab
Feeder line 12 is inverted l-shaped structure, and the feeder line upper end of inverted l-shaped structure is connect through probe 9 with radiation patch, and lower end is through probe 10 and feed
Network 11 connects.
The shape in the gap 13 on fence shape dielectric-slab 5 is not unique, can be skewed, vertical shape, bending, arc-shaped
Equal various structures, the width in gap are 4-6mm.Fence shape dielectric-slab with skewed gap can help antenna preferably real
Existing directionality.
Feeding network 11 realizes that the edge of feeding network 11 has a port 15 using T shape power splitter.
In the present embodiment, the first, second, third, fourth dielectric-slab is all made of connection cyclopentadienyl IT-8350G medium substrate, fence
Shape dielectric-slab uses FR4 medium substrate, and fence shape dielectric-slab inner wall is designed as radiating surface.
In the present embodiment, the size of antenna is 90mm*90mm*70mm.Specific size are as follows: third dielectric-slab and the 4th is situated between
The same Gao Tongkuan of scutum, wide is 50mm, Gao Shi 70mm.The size of fence shape dielectric-slab is 90mm*90mm*51mm.Join cyclopentadienyl IT-
8350G medium substrate with a thickness of 0.5mm, FR4 medium substrate with a thickness of 0.8mm.It is from phase shift dipole arm width range
1-5mm, length are the summation of three bending segments, and the first segment limit is 10-22mm, and the second segment limit is 10-22mm, third Duan Fan
It encloses for 3-12mm, the gap width on fence shape dielectric-slab is 4-6mm.Specific size is selected according to design requirement.The present embodiment
Middle feeding network selection T shape power splitter realizes circular polarisation.
The above are preferred embodiments of the present invention, all any changes made according to the technical solution of the present invention, and generated function is made
When with range without departing from technical solution of the present invention, all belong to the scope of protection of the present invention.
Claims (6)
1. a kind of high low elevation gain satellite navigation terminal antennae of diesis shape broadband, which is characterized in that including first,
Two, third, the 4th dielectric-slab and fence shape dielectric-slab, the first medium plate and second medium plate are arranged in parallel up and down, described
Third dielectric-slab and the 4th dielectric-slab right-angled intersection are simultaneously vertically arranged between first medium plate and second medium plate, and described first
Dielectric-slab upper surface is printed with the radiation patch constituted from phase shift dipole arm by two Duis, the third dielectric-slab and the 4th medium
The front surface of plate is printed with the radiation patch with dipole arm, with the shape in third dielectric-slab and the 4th dielectric-slab arranged in a crossed manner
At right-angled intersection dipole arm, the rear surface of the third dielectric-slab and the 4th dielectric-slab is printed with feeder line, radiation patch and feedback
Line is connected through probe, even from the right-angled intersection in phase shift dipole arm and third, the 4th dielectric-slab on the first medium plate
Extremely sub- arm is connected through probe, and second medium plate downside is equipped with feeding network, the feeder line in the third, the 4th dielectric-slab
It is connect through probe with feeding network, the fence shape dielectric-slab encloses in second medium plate circumference, the fence shape dielectric-slab
Side is radiating surface, and the fence shape dielectric-slab is equipped with several gaps.
2. the high low elevation gain satellite navigation terminal antennae of a kind of diesis shape broadband according to claim 1, special
Sign is, 4 of first medium plate upper surface from phase shift dipole arm be bent structure, to increase the impedance of antenna
Bandwidth and axial ratio bandwidth.
3. the high low elevation gain satellite navigation terminal antennae of a kind of diesis shape broadband according to claim 1, special
Sign is that the dipole arm of the third dielectric-slab and the 4th dielectric-slab front surface is bent structure, to increase antenna
Impedance bandwidth and axial ratio bandwidth.
4. the high low elevation gain satellite navigation terminal antennae of a kind of diesis shape broadband according to claim 1, special
Sign is that the radiation patch of the third dielectric-slab and the 4th dielectric-slab includes dipole arm and the spoke below dipole arm
Beam.
5. the high low elevation gain satellite navigation terminal antennae of a kind of diesis shape broadband according to claim 1, special
Sign is that the feeder line of the third dielectric-slab and the 4th dielectric-slab rear surface is inverted l-shaped structure, the feeder line of the inverted l-shaped structure
Upper end is connect through probe with radiation patch, and lower end is connect through probe with feeding network.
6. the high low elevation gain satellite navigation terminal antennae of a kind of diesis shape broadband according to claim 1, special
Sign is that the feeding network is realized using T shape power splitter, and the edge of the feeding network has a port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910668185.6A CN110265779B (en) | 2019-07-23 | 2019-07-23 | Dual-cross broadband high-low elevation gain satellite navigation terminal antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910668185.6A CN110265779B (en) | 2019-07-23 | 2019-07-23 | Dual-cross broadband high-low elevation gain satellite navigation terminal antenna |
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| CN110265779A true CN110265779A (en) | 2019-09-20 |
| CN110265779B CN110265779B (en) | 2024-02-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111430931A (en) * | 2020-04-01 | 2020-07-17 | 武汉虹信通信技术有限责任公司 | Radiation sheet for broadband antenna and broadband antenna |
| CN112821055A (en) * | 2021-01-05 | 2021-05-18 | 上海安费诺永亿通讯电子有限公司 | Single-port dual-frequency dual-polarization omnidirectional antenna applied to WIFI |
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| CN111430931A (en) * | 2020-04-01 | 2020-07-17 | 武汉虹信通信技术有限责任公司 | Radiation sheet for broadband antenna and broadband antenna |
| CN111430931B (en) * | 2020-04-01 | 2022-01-11 | 武汉虹信科技发展有限责任公司 | Radiation sheet for broadband antenna and broadband antenna |
| CN112821055A (en) * | 2021-01-05 | 2021-05-18 | 上海安费诺永亿通讯电子有限公司 | Single-port dual-frequency dual-polarization omnidirectional antenna applied to WIFI |
| CN112821055B (en) * | 2021-01-05 | 2022-07-15 | 上海安费诺永亿通讯电子有限公司 | Single-port dual-frequency dual-polarization omnidirectional antenna applied to WIFI |
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| Publication number | Publication date |
|---|---|
| CN110265779B (en) | 2024-02-06 |
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