CN106941210A - Super-wide band high-gain omnidirectional antenna and its ultra wide band oscillator unit - Google Patents
Super-wide band high-gain omnidirectional antenna and its ultra wide band oscillator unit Download PDFInfo
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- CN106941210A CN106941210A CN201710099652.9A CN201710099652A CN106941210A CN 106941210 A CN106941210 A CN 106941210A CN 201710099652 A CN201710099652 A CN 201710099652A CN 106941210 A CN106941210 A CN 106941210A
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- wide band
- underarm
- ultra wide
- oscillator unit
- gain
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- 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
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
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Abstract
The present invention provides a kind of super-wide band high-gain omnidirectional antenna, and it includes underarm on the ultra wide band oscillator unit that at least one is arranged along axis, each oscillator and connected as one by parallel two-conductor feeder line.The ultra wide band oscillator unit upper arm and underarm are the U-shaped arm of specular, and the top bottom two sides of dielectric-slab is arranged in respectively, there is narrow gap between upper arm and underarm, and a pair of parasitic minor matters are added in the upper arm and underarm external side parallel.Present invention obtains the significant performance boost of more conventional scheme, bandwidth is dramatically increased, and gain is obviously improved, uniformity is good in directional diagram band, gain bandwidth is almost equal with impedance bandwidth, and out-of-roundness is substantially improved, low sidelobe, high cross polarization ratio, high efficiency, antenna-feedback system integration printing, low intermodulation, high reliability, realizes simple, low cost, is adapted to batch production.
Description
【Technical field】
The present invention relates to a kind of radio antenna equipment and technology, more particularly to super-wide band high-gain omnidirectional antenna and
Its technology.
【Background technology】
Omnidirectional antenna, is often referred to the class antenna for having homogeneous radiation characteristic in azimuth plane, it is in the field of wireless communication
With extensive and important purposes, typical scene such as communication base station, broadcasting television tower, or vehicle, aircraft, radio network gateway etc. are eventually
End equipment.Firstly, since user equipment is arbitrary relative to the position and orientation of base-station, it can not only be protected using omnidirectional antenna
The good communication efficiency of card, can also reduce equipment size and cost.Furthermore, it is contemplated that the coverage and system of base station are held
Amount, omnidirectional antenna must be high-gain, high power and wide bandwidth.Furthermore, omnidirectional antenna needs a large amount of deployment, it is necessary to low
The features such as intermodulation, low cost, suitable volume production.In summary, engineering field middle width strip is wide, high-gain, high efficiency, low cost,
Low intermodulation, the omnidirectional antenna easily produced have strong application demand.So far, the various high-gain omnidirectionals that people are invented
Antenna is realized using conllinear or coaxial group of battle array mode of half-wave dipole.It is limited by application demand, design difficulty, size
The factors such as limitation, the common gain of high-gain omni-directional antenna is 5-12dBi.Moreover, as gain increases, bandwidth will gradually subtract
Small, i.e., gain and bandwidth are conflicts.Conventional high-gain broadband layered transducer elements, are spoke generally from the thicker metal tube of diameter
Member is penetrated, feeding network is built using coaxial cable.This scheme can overcome the contradiction of gain and bandwidth, and power capacity is big,
But solder joint is more, intermodulation is poor, size is big, high cost, volume production difficult.By contrast, PCB, which prints scheme, then has low intermodulation, Gao Ke
By property, low cost, it is adapted to criticize the advantages of producing, but power capacity is relatively low, impedance bandwidth is narrower, and gain bandwidth is narrower.In view of above-mentioned
Advantage, printing layered transducer elements are applied widely in wireless domain especially terminal device.If solve it is high-power and
The problem of narrower bandwidth, layered transducer elements are printed by the ideal design as omni-base station.In summary, high-gain broadband is complete
Had broad application prospects to antenna, but still need to break through many engineering technology bottlenecks, therefore be still the important side of antenna research
To.
【The content of the invention】
It is an object of the invention to provide a kind of ultra wide band, high-gain, omni-directional, vertical polarization, low sidelobe, high cross-pole
Change than, efficient super-wide band high-gain omnidirectional antenna and its ultra wide band oscillator unit.
To realize the object of the invention, there is provided following technical scheme：
It is contemplated that providing a kind of ultra wide band, high-gain, omni-directional, vertical polarization, low sidelobe, high friendship for radio communication
Pitch polarization ratio, high efficiency, and low intermodulation, highly reliable, simple in construction, the inexpensive, omni-directional base station antenna that easily produces, and to be low
Gain, the design of the terminal omnidirectional antenna of narrow-band and improvement provide beneficial reference method.
The present invention provides a kind of ultra wide band oscillator unit, and it includes upper arm and underarm, and the upper arm and underarm are specular
U-shaped arm, the top bottom two sides of dielectric-slab is arranged in respectively, has narrow gap between upper arm and underarm, outside the upper arm and underarm
Side abreast adds a pair of parasitic minor matters.
It is preferred that, the width of the U-shaped arm is outwards widened in top open part.
It is preferred that, the bottom both sides corner of the U-shaped arm sets interior angle, and chamfering value scope is 15 °~60 °.
It is preferred that, the bottom inner central of the U-shaped arm has a rectangular depression directed downwardly.
It is preferred that, the parasitic minor matters are strip symmetrical above and below, top surface or bottom surface positioned at medium substrate, or in
Between via be arranged in the top bottom two sides of dielectric-slab, the parasitic adjacent U-shaped arm left and right sides of minor matters is parallel with it to place, the parasitic branch
There is spacing distance between upper arm and underarm in the inner edge of section and two ends.
It is preferred that, the parasitic minor matters center section protrudes into U-shaped arm bottom both sides corner cut position inwardly, and outside then with upper arm
Ragged edge with underarm is concordant.
It is preferred that, the length of the upper arm and underarm is 0.20~0.25 centre wavelength, inside and outside width and length ratio point
Not Wei 0.25~0.35,0.45~0.75, the breadth length ratio of the parasitic minor matters is about 0.01~0.20.
The present invention also provides a kind of super-wide band high-gain omnidirectional antenna, and it includes at least one ultra wide band as described above and shaken
Subelement, at least one ultra wide band oscillator unit is arranged along axis, and underarm is connected by parallel two-conductor feeder line on each oscillator
It is integrated.
It is preferred that, the upper arm of each ultra wide band oscillator unit is towards substrate side, and underarm is then towards substrate opposite side；Array is closed
In center specular.
It is preferred that, parallel two-conductor feeder line is overlapped with array center axis, by the wide more piece transforming section cascade of Length discrepancy
Into, including upper lower wire, and it is short-circuit above and below two ends, central point is provided with through hole as power feed hole, and inner conductor is worn
Cross after through hole and be welded on wire, outer conductor is then welded on lower wire；Through hole ring week is pad, and coaxial cable is welded on
On disk.
It is preferred that, spacing d=(0.55~0.85) × λ of each ultra wide band oscillator unitc, wherein λcCentered on wavelength, substrate
The permittivity ε of materialr=1~20, the various common vehicle materials as including air.
It is preferred that, dielectric-slab length and width are more than or equal to array sizes, are acted on playing support and impedance matching to array.
It is preferred that, coaxial cable follow parallel two-conductor feeder line or array axis direction extend to array one end, and in flat
The side wire welding of row two-conductor feeder line.
Prior art is contrasted, the present invention has advantages below：
The positive effect of the present invention is, by taking following measures：1) ultra wide band oscillator unit, as U are designed
Shape oscillator sets suitable long width values, two-arm width, bottom corner cut and depression size, is parasitic minor matters selection Reasonable Parameters and position
Put；2) unit arrangement group battle array, N number of array element lines up uniform straight line array at equal intervals, and each oscillator upper arm is towards array side, underarm then court
To opposite side；3) parallel two-conductor feeder line is set, and it is overlapped with array center axis, by the wide more piece transforming section cascade of Length discrepancy
Form, and it is short-circuit above and below two ends；4) filled media layer, the filled media material between the feedback of parallel two-conductor, makes on each oscillator
Lower two-arm is located at the top bottom two sides of dielectric-slab respectively；5) center feed point is set, pad is set in parallel conductor central point, to present
Electrical cables are welded, and obtain the significant performance boost of more conventional scheme：First, bandwidth is dramatically increased, and GSM900 frequency ranges are completely covered
(698-960MHz, BW=262MHz, 31.6%)；2nd, gain is obviously improved, and reaches 7.34~8.52dBi；One in directional diagram band
Cause property is good, and gain bandwidth is almost equal with impedance bandwidth；2nd, out-of-roundness is substantially improved, and H faces unevenness is less than 1.5dB；3rd,
Low sidelobe, SLL<-10dB；4th, high cross polarization ratio, XPD is more than 50dB；5th, high efficiency, ηA>=94%；6th, antenna-feedback system one
Bodyization is printed, low intermodulation (PIM-3, -107dBm@43dBm), high reliability.
In addition, this method also has thinking novelty, clear principle, method is pervasive, realization is simple, inexpensive, suitable batch
The features such as production, be the preferred scheme of the conventional omnidirectional antenna of substitution, and for low gain, the terminal omnidirectional antenna of narrow-band
Design and improvement are also to be applicable and effective.
【Brief description of the drawings】
The schematic diagram that the rectangular coordinate system that Fig. 1 is used by antenna model is defined；
Fig. 2 is the front view of the arm model of U-shaped ultra wide band oscillator unit one of the present invention；
Fig. 3 is the front view of U-shaped ultra wide band oscillator unit two-arm model of the present invention；
Fig. 4 is the front view that U-shaped ultra wide band oscillator unit both sides of the present invention load parasitic minor matters model；
Fig. 5 is the front view that U-shaped ultra wide band oscillator unit of the present invention is arranged into quaternary uniform straight line array model；
Fig. 6 is the front view of the balanced feeding quaternary uniform straight line array model of super-wide band high-gain omnidirectional antenna of the present invention；
Fig. 7 is under the balanced feeding quaternary uniform straight line array model of super-wide band high-gain omnidirectional antenna of the present invention or left side
The front view divided；
Fig. 8 is the partial elevational at the balanced feeding quaternary uniform straight line array model two ends of super-wide band high-gain omnidirectional antenna
Figure；
Fig. 9 is that the lower end of the balanced feeding quaternary uniform straight line array model of super-wide band high-gain omnidirectional antenna or left end are local
Enlarged drawing；
Figure 10 is the upper end of the balanced feeding quaternary uniform straight line array model of super-wide band high-gain omnidirectional antenna or right-hand member office
Portion's enlarged drawing；
Figure 11 is put for the center part of the balanced feeding quaternary uniform straight line array model of super-wide band high-gain omnidirectional antenna
Big figure；
Figure 12 is the input impedance Z of super-wide band high-gain omnidirectional antenna of the present inventioninFrequency characteristic；
Figure 13 is the reflectance factor of super-wide band high-gain omnidirectional antenna of the present invention | S11| curve；
Figure 14 is the standing-wave ratio VSWR curves of super-wide band high-gain omnidirectional antenna of the present invention；
Figure 15 is each frequency E faces gain pattern of super-wide band high-gain omnidirectional antenna of the present invention；
Figure 16 is each frequency H side gains directional diagram of super-wide band high-gain omnidirectional antenna of the present invention；
Figure 17 is ultra wide band horizontal polarization horizontal omnidirectional of the present invention day H face out-of-roundness with frequency f change curves；
Figure 18 is E- faces (vertical plane) half-power beam width of each frequency of super-wide band high-gain omnidirectional antenna of the present invention
HBPW is with frequency f variation characteristics；
Figure 19 is the maximum gain of super-wide band high-gain omnidirectional antenna of the present invention with frequency f variation characteristics；
Figure 20 is the efficiency eta of super-wide band high-gain omnidirectional antenna of the present inventionAWith frequency f change curves.
This paper accompanying drawings are, for being expanded on further and understand to the present invention, and to constitute a part for specification, with this
The specific embodiment of invention is used to explain the present invention together, but is not construed as limiting the invention or limits.
【Embodiment】
The preferred embodiment of invention is provided below in conjunction with the accompanying drawings, to describe technical scheme in detail.Here, it will give
Going out respective drawings, the present invention is described in detail.It should be strongly noted that the example as described herein that is preferable to carry out only is used
In the description and interpretation present invention, the present invention is not limited to or limited.
Fig. 1~11 are referred to, it is contemplated that providing a kind of ultra wide band, high-gain, omni-directional, vertical pole for radio communication
Change, low sidelobe, high cross polarization ratio, high efficiency, and low intermodulation, highly reliable, simple in construction, the inexpensive, omnidirectional that easily produces
Antenna for base station, and provide beneficial reference method for low gain, the design of the terminal omnidirectional antenna of narrow-band and improvement.
The method for designing of the super-wide band high-gain omnidirectional antenna comprises the following steps：
Step one, rectangular coordinate system in space is set up, Fig. 1 is seen；
Step 2, constructs ultra wide band oscillator unit：In XOZ planes, suitable+Z-direction builds an opening up U-shaped piece
1, the two-arm 15 of U-shaped piece is symmetrical, and two-arm width is outwards widened in top open part, refers to Fig. 2；Then, by U-shaped piece 1
Mirror image is carried out along X-axis, the two-arm up and down 1,2 of wideband dipole is constituted, has narrow gap 16 between two-arm up and down, refer to Fig. 3；
In addition, adding a pair of parasitic minor matters 20 above and below U-shaped piece, parasitic minor matters are symmetrical above and below, its inner edge and two two-arm external side parallel
End is spaced a distance 21 with U-shaped piece, and ragged edge of the outside then with U-shaped oscillator two-arm is concordant, refers to Fig. 4；
Step 3, array arrangement：By the ultra wide band oscillator unit of step 2, along Z axis translation distance d and n times are replicated, constituted
One equally spaced N members uniform straight line array, array number is N (N >=1), array element spacing d=(0.55~0.85) × λc, refer to
Fig. 5；
Step 4, sets parallel two-conductor feeder line：By the underarm of each oscillator unit in the array of step 3, together along Y-axis
Direction translation distance T；Then, in XOZ planes (Y=0 planes), straight line conductor is constructed along Z-direction, its width is along length
Direction size variation, then replicated and towards oscillator underarm direction translation distance T；Now, two straight line conductors constitute a pair it is flat
Row two-conductor feeder line 40；Finally, they are connected as one with underarm on each oscillator respectively, refers to Fig. 6.
Step 5, filled media layer：Between two-arm above and below parallel the two-conductor feeder line and oscillator of step 4, filling thickness
For T uniform dielectric plate 30, its length and width size is not less than array sizes, is acted on playing support and impedance matching to array；
Step 6, sets feedback central point：On the layered transducer elements center of step 5, the upper lower conductor of parallel two-conductor feeder line
One power feed hole is set respectively, for connecting feed coaxial cable, Fig. 7~11 are referred to；
Step 7, fixed cable：By the coaxial cable of step 6, follow parallel two-conductor feeder line or array axis direction are prolonged
Array one end is extended, and in the side wire welding of parallel two-conductor feeder line.
Fig. 1~11 are referred to, in the present embodiment, the super-wide band high-gain omnidirectional antenna is from U-shaped oscillator, parasitic branch
The printing PCB design scheme of section plus center feed.The super-wide band high-gain omnidirectional antenna of the invention built by above-mentioned steps
Including four ultra wide band oscillator units arranged along axis, underarm 1,2 is connected as by parallel two-conductor feeder line 40 on each oscillator
One.
The upper arm and underarm of the ultra wide band oscillator unit are the U-shaped arm of specular, and the width of the U-shaped arm is in open top
Place is outwards widened, including section of foundation 12 and widens section 11 in top open part, the bottom two of the ultra wide band oscillator unit U-shaped arm
Side corner sets interior angle 14, and chamfering value scope is 15 °~60 °.The bottom inner central of the U-shaped arm has a rectangle directed downwardly
Depression 13.Upper arm and underarm are arranged in the top bottom two sides of dielectric-slab 30 respectively, there is narrow gap 16 between upper arm and underarm.As schemed
Shown in 2 and Fig. 3.
Figure 4 and 5 are referred to, a pair of parasitic minor matters 20 are added in the upper arm and underarm external side parallel.The parasitic minor matters are
Strip symmetrical above and below, top surface or bottom surface positioned at medium substrate 30, or it is arranged in by middle via the top bottom of dielectric-slab
Two sides, the parasitic adjacent U-shaped arm left and right sides of minor matters is parallel with it to place, the inner edge of the parasitic minor matters and two ends with upper arm and
There is spacing distance 21 between underarm.As shown in figure 4, the parasitic minor matters center section protrudes into U-shaped arm bottom both sides corner cut inwardly
Position, and ragged edge of the outside then with upper arm and underarm is concordant.
The length of the upper arm and underarm is 0.20~0.25 centre wavelength (λc), inside and outside width is respectively with length ratio
0.25~0.35,0.45~0.75, the breadth length ratio of the parasitic minor matters is about 0.01~0.20.
The upper arm 1 of each ultra wide band oscillator unit is towards substrate side, and underarm 2 is then towards substrate opposite side；Array is in
Heart specular.
Refer to Fig. 7~11, parallel two-conductor feeder line 40 is overlapped with array center axis, is converted by the wide more piece of Length discrepancy
Section cascade is formed, such as the narrow conductor segment 43,45 and wide conductor segment 44 in Fig. 7, and parallel two-conductor feeder line includes upper lower wire, and
Short circuit 41 above and below two ends, central point is provided with through hole as power feed hole 42, and inner conductor is welded on after passing through through hole
On wire, outer conductor is then welded on lower wire；Through hole ring week is pad, and coaxial cable is welded on pad.Coaxial cable is suitable
Parallel two-conductor feeder line or array axis direction extends to array one end, and in the side wire weldering of parallel two-conductor feeder line
Connect.
Spacing d=(0.55~0.85) × λ of each ultra wide band oscillator unitc, wherein λcCentered on wavelength, baseplate material
Permittivity εr=1~20, the various common vehicle materials as including air.The length and width of dielectric-slab 30 are more than or equal to array
Size, is acted on playing support and impedance matching to array.
The present invention proposes a kind of new printing oscillator array antenna design, and a ultra wide band oscillator list is constructed first
Member, then selects suitable number of unit and array element spacing, and length, line width and the spacing of re-optimization balance two-conductor feeder line etc. is joined
Number.By using above-mentioned measure, the printing oscillator array antenna of Unit four of the invention realizes ultra wide band in GSM900 frequency ranges
(698-960MHz, VSWR≤1.63, BW=262MHz,>31.6%), high-gain (G=7.34-8.52dBi), preferable out-of-roundness
(<1.5dB), low sidelobe (SLL<- 10dB), high cross polarization ratio (XPD >=50dB) and very high efficiency (ηA>=94%).As schemed
Shown in 12~20 parameter of curve figure.
The input impedance Z of Figure 12 super-wide band high-gain omnidirectional antennasinFrequency characteristic；Wherein, transverse axis (X-axis) is frequency
Rate f, unit is MHz；The longitudinal axis (Y-axis) is impedance Zin, unit is Ω；Solid line represents real part Rin, dotted line represents imaginary part Xin.By scheming
Know, in 698-960MHz frequency ranges, real part and imaginary part excursion are respectively：+ 40~+80 Ω and -20~+20 Ω, with obvious
Broadband impedance characteristic；
Figure 13 is the reflectance factor of super-wide band high-gain omnidirectional antenna | S11| curve；Wherein, transverse axis (X-axis) is frequency f, single
Position is MHz；The longitudinal axis (Y-axis) is S11Amplitude | S11|, unit is dB.Known by figure, known by figure, antenna is in GSM900 frequency ranges (698-
960MHz, BW=262MHz), realize good impedance matching, reflectance factor | S11|≤- 12.46, minimum reachable -55dB, phase
31.6% is wider than to band, ultra wide band work is realized.
Figure 14 is the standing-wave ratio VSWR curves of super-wide band high-gain omnidirectional antenna；Wherein, transverse axis (X-axis) is frequency f, unit
For MHz；The longitudinal axis (Y-axis) is VSWR.Known by figure, antenna is realized good at GSM900 frequency ranges (698-960MHz, BW=262MHz)
Good impedance matching, standing-wave ratio VSWR≤1.63, minimum reaches 1.05, and relative bandwidth is more than 31.6%, realizes ultra wide band work
Make.
Figure 15 is each frequency E faces gain pattern of super-wide band high-gain omnidirectional antenna；Wherein, transverse axis (X-axis) is frequency f,
Unit is MHz；The longitudinal axis (Y-axis) is gain, and unit is dBi；Fair line represents main polarization, and dotted line represents cross polarization；Solid line table
Show fL=698MHz, dotted line represents fC=830MHz, dotted line represents fH=960MHz.Known by figure, the side electricity of E faces senior middle school low frequency
Flat SLL is less than -10dB, and XPD is compared in cross polarization>50dB, illustrates that vertical polarization purity is very high.
Figure 16 is each frequency H side gains directional diagram of super-wide band high-gain omnidirectional antenna；Wherein, transverse axis (X-axis) is frequency f,
Unit is MHz；The longitudinal axis (Y-axis) is gain, unit degree of being dBi；Solid line represents fL=698MHz, dotted line represents fC=830MHz, point
Line represents fH=960MHz.Known by figure, gain G=6.80~8.35dBi of H faces senior middle school low frequency, out-of-roundness is less than 1.5dB, entirely
Tropism is highly desirable.
Figure 17 is ultra wide band horizontal polarization horizontal omnidirectional day H face out-of-roundness with frequency f change curves；Wherein, transverse axis (X-axis)
It is frequency f, unit is MHz；The longitudinal axis (Y-axis) is out-of-roundness, unit degree of being dB.Known by figure, in whole frequency band, horizontal plane (H faces)
Directional diagram out-of-roundness (omni-directional or uniformity) is less than 1.5dB, and horizontal omnidirectional is very good.
Figure 18 is E- faces (vertical plane) the half-power beam width HBPW of each frequency of super-wide band high-gain omnidirectional antenna with frequency
Rate f variation characteristics；Wherein, transverse axis (X-axis) is frequency f, and unit is MHz；The longitudinal axis (Y-axis) is beam angle, unit degree of being
(deg).Known by figure, with interior half-power ripple it is wide HPBW=15 °~20 °, vertical plane (E faces) ripple is wide narrower, and frequency invariance is very
It is good.
Figure 19 is the maximum gain of super-wide band high-gain omnidirectional antenna with frequency f variation characteristics；Wherein, transverse axis (X-axis)
It is frequency f, unit is MHz；The longitudinal axis (Y-axis) is gain, and unit is dBi.Known by figure, be G=7.34 with interior gain variation range
~8.52dBi, gain is very high, and passband fluctuation very little.
Figure 20 is the efficiency eta of super-wide band high-gain omnidirectional antennaAWith frequency f change curves；Wherein, transverse axis (X-axis) is frequency
Rate f, unit is MHz；The longitudinal axis (Y-axis) is efficiency, is known by figure, and whole band is interior, antenna efficiency ηA>=94%, it is ideal.
Except this, the program is also that one kind is applied to omnidirectional with the features such as feed design is simple, assembling is easy and inexpensive
The ideal antenna scheme of base station.In addition, this method also have thinking novelty, clear principle, method is pervasive, realize it is simple, low into
Originally the features such as, being adapted to batch production, be the preferred scheme of the conventional omnidirectional antenna of substitution, and for low gain, the end of narrow-band
The design and improvement for holding omnidirectional antenna are also to be applicable and effective.
The preferred embodiment of the present invention is these are only, the present invention is not limited to or limits.For grinding for this area
Study carefully or technical staff for, the present invention can have various modifications and variations.Within the spirit and principles of the invention, made
Any modifications, equivalent substitutions and improvements etc., should be included within the protection domain that the present invention is stated.
Claims (10)
1. a kind of ultra wide band oscillator unit, it includes upper arm and underarm, it is characterised in that the upper arm and underarm are specular
U-shaped arm, is arranged in the top bottom two sides of dielectric-slab, has narrow gap between upper arm and underarm, on the outside of the upper arm and underarm respectively
Abreast add a pair of parasitic minor matters.
2. ultra wide band oscillator unit as claimed in claim 1, it is characterised in that the width of the U-shaped arm top open part to
Widen outside.
3. ultra wide band oscillator unit as claimed in claim 1, it is characterised in that the bottom both sides corner of the U-shaped arm is set
Interior angle, chamfering value scope is 15 °~60 °.
4. ultra wide band oscillator unit as claimed in claim 1, it is characterised in that the bottom inner central of the U-shaped arm has a court
Under rectangular depression.
5. ultra wide band oscillator unit as claimed in claim 1, it is characterised in that the parasitic minor matters are symmetrical above and below, positioned at medium
The top surface of substrate or bottom surface, or the top bottom two sides of dielectric-slab is arranged in by middle via, the inner edge of parasitic minor matters and two ends are equal
There is spacing distance between upper arm and underarm.
6. ultra wide band oscillator unit as claimed in claim 5, it is characterised in that the parasitic minor matters center section protrudes into U inwardly
Shape arm bottom both sides corner cut position, and ragged edge of the outside then with upper arm and underarm is concordant.
7. ultra wide band oscillator unit as claimed in claim 6, it is characterised in that the length of the upper arm and underarm is 0.20~
0.25 centre wavelength, inside and outside width and length ratio are respectively 0.25~0.35,0.45~0.75, and the width of the parasitic minor matters is long
Than being about 0.01~0.20.
8. a kind of super-wide band high-gain omnidirectional antenna, it is characterised in that it includes at least one such as any one of claim 1~7
Described ultra wide band oscillator unit, at least one ultra wide band oscillator unit is arranged along axis, and underarm passes through parallel on each oscillator
Two-conductor feeder line is connected as one.
9. super-wide band high-gain omnidirectional antenna as claimed in claim 8, it is characterised in that in parallel two-conductor feeder line and array
Heart axis is overlapped, and is formed by the wide more piece transforming section cascade of Length discrepancy, and short-circuit above and below two ends, and central point is provided with through hole,
Inner conductor is welded on wire after passing through through hole, and outer conductor is then welded on lower wire.
10. super-wide band high-gain omnidirectional antenna as claimed in claim 8, it is characterised in that between each ultra wide band oscillator unit
Away from d=(0.55~0.85) × λc, wherein λcCentered on wavelength, the permittivity ε of baseplate materialr=1~20.
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| CN107611601A (en) * | 2017-08-08 | 2018-01-19 | 广东通宇通讯股份有限公司 | Miniaturization high-gain dual-polarization omnidirectional antenna |
| CN107732441A (en) * | 2017-09-13 | 2018-02-23 | 广东通宇通讯股份有限公司 | Wave beam is faced upward high-gain omni-directional antenna |
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| CN107611601A (en) * | 2017-08-08 | 2018-01-19 | 广东通宇通讯股份有限公司 | Miniaturization high-gain dual-polarization omnidirectional antenna |
| CN107732440B (en) * | 2017-09-08 | 2024-01-05 | 广东通宇通讯股份有限公司 | Ultra-wideband high-gain beam upward-tilting omnidirectional antenna |
| CN107732440A (en) * | 2017-09-08 | 2018-02-23 | 广东通宇通讯股份有限公司 | Super-wide band high-gain wave beam is faced upward omnidirectional antenna |
| CN107732441B (en) * | 2017-09-13 | 2023-11-24 | 广东通宇通讯股份有限公司 | Wave beam upward-tilting high-gain omnidirectional antenna |
| CN107732441A (en) * | 2017-09-13 | 2018-02-23 | 广东通宇通讯股份有限公司 | Wave beam is faced upward high-gain omni-directional antenna |
| CN108199136A (en) * | 2017-11-22 | 2018-06-22 | 天津津航计算技术研究所 | A kind of directional diagram reconstructable aerial based on PIN pipes |
| CN108110410A (en) * | 2017-11-24 | 2018-06-01 | 广东盛路通信科技股份有限公司 | Dual-polarization omnidirectional antenna |
| CN108736152A (en) * | 2018-04-18 | 2018-11-02 | 广东通宇通讯股份有限公司 | A kind of minimized wide-band high-gain omni-directional antenna |
| CN108736152B (en) * | 2018-04-18 | 2024-02-20 | 广东通宇通讯股份有限公司 | Miniaturized broadband high-gain omnidirectional antenna |
| CN108598699A (en) * | 2018-05-16 | 2018-09-28 | 广东通宇通讯股份有限公司 | Vertical polarization full-wave dipole array antenna and directional radiation antenna |
| CN108598699B (en) * | 2018-05-16 | 2024-01-05 | 广东通宇通讯股份有限公司 | Vertical polarization full wave vibrator array antenna and directional radiation antenna |
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