CN105305061A - Monopole antenna, vehicle and adjusting method - Google Patents
Monopole antenna, vehicle and adjusting method Download PDFInfo
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- CN105305061A CN105305061A CN201510907767.7A CN201510907767A CN105305061A CN 105305061 A CN105305061 A CN 105305061A CN 201510907767 A CN201510907767 A CN 201510907767A CN 105305061 A CN105305061 A CN 105305061A
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Abstract
The invention discloses a monopole antenna, a vehicle and an adjusting method. The monopole antenna comprises a support, and a radiation array arranged on the support. The radiation array comprises a first conductor, a second conductor, a third conductor and a fourth conductor which are used as radiators, and are clockwise or anticlockwise successively arranged in a loop, wherein the first conductor and the third conductor are opposite in a diagonal direction; the first conductor is used for feeding in signals; and the second conductor, the third conductor and the fourth conductor are used for grounding. The monopole antenna of the invention can more easily adjust antenna characteristics.
Description
Technical field
The present invention relates to antenna technical field, more specifically, relating to a kind of monopole antenna, vehicle and the method for adjusting monopole antenna.
Background technology
Along with improving constantly of living standard, the demand of people to radio communication is growing.Automobile is as the carrier of a movement, and except providing the necessary conditions such as comfortableness, fail safe and privacy, people are to its convenience and intelligently there has also been further requirement.
In the automobile revolution of a new round, the concept of car networking is extensively known.In order to meet the need of market, the functions such as in-car TV, videoconference, wireless remote control are all integrated in onboard system by each manufacturer.People and machine can be interactive, thus make vehicle intellectualized degree higher.The prerequisite realizing this function is to provide the R-T unit of full frequency band and antenna system of good performance.
But existing car antenna also has many different problems.Such as, in existing car antenna, integrated frequency range is little.The adjustment when designing of existing car antenna is more difficult.In addition, existing car antenna is difficult to cover whole mobile communication frequency range (690MHz to 960MHz, 1430MHz to 1520MHz, 1710MHz to 2690MHz) or need very high one-tenth originally to cover these frequency ranges.Existing car antenna performance built on the sand.Existing car antenna is easily subject to the interference of data line and/or power line and/or roof in onboard system.Existing car antenna complex structure.Existing car antenna realizability is low.Existing car antenna involves great expense, fragile.
In addition, at present, technical staff is when designing antenna, and the mode often through constantly test finds preferably antenna pattern.If can provide a kind of new antenna form, designer can be had compared with multimode to adjust the pattern of antenna, and this is by greatly simplified design work, or designer can be made to have more means to adjust the performance of antenna.
Summary of the invention
An object of the present invention is to provide a kind of new solution about monopole antenna.
According to a first aspect of the invention, provide a kind of monopole antenna, comprising: supporter;
Be arranged in the radiating curtain on described supporter, wherein, this radiating curtain comprises as the first conductor of radiant body, the second conductor, the 3rd conductor and the 4th conductor, wherein the first conductor, the second conductor, the 3rd conductor and the 4th conductor by be arranged in order into a circle clockwise or counterclockwise and the first conductor relative in the diagonal direction with the 3rd conductor; And wherein, the first conductor is used for FD feed, and the second conductor, the 3rd conductor and the 4th conductor are used for being connected to ground.
Preferably, the first conductor, the 3rd conductor and the 4th conductor are minor matters shapes, and the second conductor is stairstepping.
Preferably, first conductor comprises the Part I of minor matters shape and the Part II of minor matters shape, wherein, the minor matters opening of Part I is relative with the minor matters opening of Part II, Part I is connected in bottom with Part II, the top of Part I and Part II is adjacent with the second conductor, and contiguous 4th conductor of Part I.
Preferably, the minor matters shape of Part I and Part II is E shape, and the opening of the E shape of Part I is relative with the opening of the E shape of Part II; The bottom of Part I is used for FD feed.
Preferably, opening second conductor dorsad of the minor matters shape of the 3rd conductor, and the opening of the minor matters shape of the 4th conductor is towards the 3rd conductor or the first conductor dorsad; The minor matters shape of the 3rd conductor is F shape or E shape respectively, and the minor matters shape of the 4th conductor is F shape or E shape respectively.
Preferably, the second conductor widely comprises front end, middle part and end successively from being too narrow to, and contiguous 3rd conductor in front end.
Preferably, the second conductor also comprises vertical structure, and this vertical structure is positioned at the side of middle part and the end side of the first conductor dorsad.
Preferably, described monopole antenna also comprises printed circuit board (PCB), and described printed circuit board (PCB) comprises headroom district, and the outward flange of the first conductor is corresponding with the edge in headroom district.
According to a second aspect of the invention, provide a kind of vehicle, comprise roof, according to monopole antenna of the present invention and joint pin, wherein, printed circuit board (PCB) is connected with roof by joint pin, the ground of printed circuit board (PCB) and roof conducting.
According to a third aspect of the invention we, provide a kind of method for adjusting monopole antenna, wherein, described monopole antenna comprises radiating curtain, radiating curtain comprises the first conductor as radiant body, second conductor, 3rd conductor and the 4th conductor, first conductor, second conductor, 3rd conductor and the 4th conductor by be arranged in order into a circle clockwise or counterclockwise and the first conductor relative in the diagonal direction with the 3rd conductor, first conductor is used for FD feed, second conductor, 3rd conductor and the 4th conductor are used for being connected to ground, first conductor, 3rd conductor and the 4th conductor are minor matters shapes, second conductor is step-like, second conductor widely comprises front end successively from being too narrow to, middle part and end, contiguous 3rd conductor in front end, first conductor comprises the Part I of minor matters shape and the Part II of minor matters shape, the minor matters opening of Part I is relative with the minor matters opening of Part II, Part I is connected in bottom with Part II, the top of Part I and Part II is adjacent with the second conductor, and contiguous 4th conductor of Part I, described method comprises: the characteristic being adjusted monopole antenna by least one execution in following steps, namely, the length extending the second conductor moves to 690MHz with the resonance frequency adjusting antenna, the end of broadening second conductor is to eliminate the clutter impact introduced by data line, affect to eliminate the clutter introduced by data line at the middle part of the second conductor and the vertical structure of the side loaded of end, change the middle part width of the second conductor to change the gap size with the first conductor, thus the bandwidth characteristic of fine setting 1430MHz to 1520MHz, the length extending the 3rd conductor offsets to lower to make the resonance wave in 1430MHz to 1520MHz scope, when the crooked place of the minor matters shape of the 3rd conductor is leaned on to the second conductor, to adjust the resonance characteristic at 2300MHz to 2690MHz place, widen the base section of the 3rd conductor, to reduce the clutter impact introduced by power line, change at least one in the length of the 4th conductor and the minor matters number of minor matters shape, to change the harmonic wave formed in 2300MHz to 2690MHz scope.
The present inventor finds, in the prior art, does not have disclosed in this inventionly have the monopole antenna of four conductors as radiant body.Use the monopole antenna had according to structure of the present invention, more easily can adjust the characteristic of antenna.Therefore, the technical assignment that the present invention will realize or technical problem to be solved are that those skilled in the art never expect or do not anticipate, therefore the present invention is a kind of new technical scheme.
By referring to the detailed description of accompanying drawing to exemplary embodiment of the present invention, further feature of the present invention and advantage thereof will become clear.
Accompanying drawing explanation
In the description combined and the accompanying drawing forming a part for specification shows embodiments of the invention, and illustrate that one is used from and explains principle of the present invention together with it.
Fig. 1 is the vertical view of monopole antenna according to an embodiment of the invention.
Fig. 2 is the stereogram of monopole antenna according to an embodiment of the invention.
Fig. 3 is the vertical view with the monopole antenna of printed circuit board (PCB) according to an embodiment of the invention.
The monopole antenna of an example according to the present invention is installed to the vertical view on the roof of simulation by Fig. 4.
The monopole antenna of an example according to the present invention is installed to the end view on the roof of simulation by Fig. 5.
Fig. 6 is the curve chart of the antenna return loss test of monopole in the example shown in Fig. 4 and Fig. 5.
Fig. 7 is the curve chart of the antenna efficiency test of monopole in the example shown in Fig. 4 and Fig. 5.
Embodiment
Various exemplary embodiment of the present invention is described in detail now with reference to accompanying drawing.It should be noted that: unless specifically stated otherwise, otherwise positioned opposite, the numerical expression of the parts of setting forth in these embodiments and step and numerical value do not limit the scope of the invention.
Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the present invention and application or use.
May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in the appropriate case, described technology, method and apparatus should be regarded as a part for specification.
In all examples with discussing shown here, any occurrence should be construed as merely exemplary, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to be further discussed it in accompanying drawing subsequently.
As shown in Figure 1, monopole antenna comprises: supporter 310 and the radiating curtain 300 be arranged on described supporter 310.
This radiating curtain 300 comprises as the first conductor 301, second conductor 302 of radiant body, the 3rd conductor 303 and the 4th conductor 304.First conductor 301, second conductor 302, the 3rd conductor 303 and the 4th conductor 304 are by being arranged in order Cheng Yiquan counterclockwise, and wherein, the first conductor 301 is relative in the diagonal direction with the 3rd conductor 303.Although ability should be appreciated that in FIG with technical staff, the first conductor 301, second conductor 302, the 3rd conductor 303 and the 4th conductor 304 by being arranged in order counterclockwise, they also can by being arranged in order clockwise.
First conductor 301 is for FD feed S.Second conductor 302, the 3rd conductor 303 and the 4th conductor 304 are for being connected to ground G.
Although it will be appreciated by those skilled in the art that and illustrate only four conductors here, as required, other conductors can also be increased, as sticking patch.
In Fig. 1, supporter 310 is plastic plates, such as, and ABS, PC or FR-4 plate etc.As long as supporter can support each conductor in radiating curtain, to keep relative position, the different materials that those skilled in the art can adopt as required and/or multi-form supporter.
In monopole antenna according to the present invention, radiating curtain 300 comprises four conductors.For technical staff, when designing antenna, the coupled relation between the shape of four conductors and/or conductor can be adjusted.This provides more design flexibility to designer.In addition, the monopole antenna of this form easily realizes covering more communications band.
As shown in Figure 1, in one example in which, the first conductor 301, the 3rd conductor 303 and the 4th conductor 304 are minor matters shapes, and the second conductor 302 is step-like.Adopt the radiant body of this minor matters shape, be more conducive to the coupling between conductor.
As shown in Figure 1, such as, the first conductor 301 comprises the Part I 301a of minor matters shape and the Part II 301b of minor matters shape.The minor matters opening 301a of Part I is relative with the minor matters opening 301b of Part II.Part I 301a is connected in bottom with Part II 301b.The top of Part I 301a and Part II 301b is adjacent with the second conductor, and contiguous 4th conductor 304 of Part I 301a.
In FIG, exemplarily, the minor matters shape of Part I 301a and Part II 301b is E shape, and the opening of the E shape of Part I is relative with the opening of the E shape of Part II.Such as, the bottom of Part I 301a is used for FD feed S.
In FIG, the opening of the minor matters shape of the 3rd conductor 303 second conductor dorsad.The opening of the minor matters shape of the 4th conductor 304 is towards the 3rd conductor.But the opening that it will be appreciated by those skilled in the art that the minor matters shape of the 4th conductor 304 also can the first conductor dorsad.In FIG, the minor matters shape of the 3rd conductor 303 is F shapes, and the minor matters shape of the 4th conductor 304 is F shapes.But, it will be appreciated by those skilled in the art that they also can be E shape or the minor matters shape with more multi-branched.
In FIG, the second conductor 302 widely comprises front end 302a, middle part 302b and end 302c successively from being too narrow to.Contiguous 3rd conductor 303 of front end 302a.
As shown in Figure 2, the second conductor 302 can also comprise vertical structure 302d.This vertical structure 302d is positioned at the side of middle part and the end side of the first conductor 301 dorsad.By this vertical structure, the clutter impact introduced by data line effectively can be eliminated.
Use according to antenna structure of the present invention, relatively easily can adjust antenna performance.Such as, change the structure of the Part I 301a of the first conductor 301, the coupled relation with conductor 302,303,304 can be affected, affect the CURRENT DISTRIBUTION of spoke side thus, thus affect the bandwidth characteristic of whole antenna.
In fig. 1 and 2, the bandwidth characteristic in humorous 690MHz to the 960MHz scope of size adjustable of the second conductor 302 is changed.
Such as, the resonance frequency that the length extending the second conductor 302 can adjust antenna moves to 690MHz.The width of the end 302c of broadening second conductor 302 and/or add vertical structure 302d, can change the impedance operator of earth terminal by larger area, thus effectively eliminates the clutter impact that data line introduces.In some cases, low frequency efficiency can be improved 5%-8% by this.Such as, the width changing the middle part 302b of the second problem 302 can change the gap size with the first conductor 301, thus changes the coupled relation with the Part II 301b of the first conductor 301.This can finely tune the bandwidth characteristic of 1430MHz to 1520MHz.
Such as, change the crooked place of the 3rd conductor 303 length and minor matters shape, can the bandwidth characteristic of effective tuned antenna.Such as, the length extending the 3rd conductor 303 can make the resonance wave in 1430MHz to 1520MHz scope offset to lower.The crooked place of the minor matters shape of the 3rd conductor 303 is leaned on to the second conductor 302, the resonance characteristic at 2300MHz to 2690MHz place can be adjusted.When the crooked place of the minor matters shape by the 3rd conductor is when the second conductor is close, the resonance characteristic change in 1430MHz to 1520MHz scope is not obvious, but the resonance characteristic change at 2300MHz to 2690MHz place obviously.Therefore, the resonance characteristic at 2300MHz to 2690MHz place can be adjusted by the crooked place of the minor matters shape adjusting the 3rd conductor.Widen the base section (part in such as Fig. 1 indicated by 303a) of the 3rd conductor, the clutter impact introduced by power line can be reduced.
As shown in Figure 3, monopole antenna can also comprise pcb board 100.Such as, by described supporter 310, described radiating curtain 300 is 1-6mm with the distance of described pcb board 100.Because monopole antenna is for highly more responsive, therefore, the distance of radiating curtain and PCB is suitably set in the present invention, thus makes monopole antenna have better radianting capacity.
As shown in Figure 3, pcb board 100 also comprises headroom district 101.Radiating curtain 300 is positioned at the top in headroom district 101.Such as, the outward flange of the first conductor 301 (two edges at the turning, below of such as Part II 301b) can be made corresponding with the edge in headroom district, thus more efficiently gain can be provided to be coupled, optimize radiation characteristic, effectively change whole bandwidth characteristic.
Also show data line 201 and power line 202 in figure 3, for providing signal to antenna, or for will receive signal transmission to treatment facility.
The signal S of institute's feed-in in radiating curtain 300 is radiated in free space by the first conductor 301.The G of the second conductor 302, the 3rd conductor 303 and the 4th conductor 304 is connected respectively to the ground of pcb board 100, and obtains energy by coupling from the first conductor 301.Preferably, the second conductor 302, the 3rd conductor 303 and the 4th conductor 304 participate in aerial radiation with the form of the minor matters of coupling.Because the second conductor 302 of ground and the radiating curtain of pcb board, the 3rd conductor 303 are connected with the 4th conductor 304, and with data line 201 and power line 202, also there is conducting relation, therefore, this three also has CURRENT DISTRIBUTION, also can participate in the radiation of high frequency and/or low frequency to a certain extent, thus affect the characteristic of whole antenna.
Above-mentioned monopole antenna can be arranged on the roof of vehicle.Fig. 4 and Fig. 5 shows the roof 000 of simulation.Monopole antenna is installed to the vertical view on the roof of simulation by Fig. 4, and monopole antenna is installed to the end view on the roof of simulation by Fig. 5.In figures 4 and 5, monopole antenna is connected with roof by joint pin 400.The link position of such as joint pin is arranged on the pcb board 100 of monopole antenna.Monopole antenna and roof distance can be set to 5-20mm.In this antenna system, roof 000 is connected with pcb board 100 by joint pin 400, makes ground and the roof conducting of pcb board, and suitably arranges distance between the two.The CURRENT DISTRIBUTION on the ground of pcb board can be changed like this, thus affect high frequency bandwidth characteristic.This can make high frequency efficiency on average decline 3 percentage points in some cases.
Data line 201 and power line 202 are drawn from pcb board 300, extend to the both sides of roof 000, and converge and vertical placement in centre, wherein data line 201 and power line 202 are 5mm at a distance of the front and back of roof, isolate with foam; Anneta module 300 is positioned over above pcb board 100, and both are at a distance of 3mm, wherein the ground 302,303,304 of Anneta module and the ground conducting of pcb board.
Such as, change at least one in the length of the 4th conductor 304 and the minor matters number of minor matters shape, utilize the first conductor 301 at the energy of high frequency treatment radiation, the harmonic wave formed in 2300MHz to 2690MHz scope can be changed.In addition, this effectively can eliminate the impact that joint pin 400 brings.
Inventor adopts the example comprising the roof of simulation shown in Fig. 4,5 to test, to check effect of the present invention.In this example embodiment, the structure of antenna as Figure 1-3.In this example embodiment, the aluminium sheet that roof is diameter 1m, thickness 5mm is simulated.Data line 201 and power line 202 are respectively the cable of 1200mm.The size of pcb board is 150mm*90mm*1mm.Antenna headroom district in pcb board is of a size of 60mm*20mm.Radiating curtain 300 is set up on the supporter 310 of pcb board form.Supporter 310 (radiating curtain 300) is of a size of 100*20mm.As shown in Figure 5, data line 201 and power line 202, from pcb board both sides, extend to roof both sides, then converge and vertical placement in the centre of the roof 000 of simulation.Data line 201 and power line 202 are 5mm apart from the distance of the obverse and reverse of roof.Isolate with foam between them.Supporter 310 (radiating curtain 300) is placed on the top of pcb board 100, and both are at a distance of 3mm.The conductor 302,303,304 of radiating curtain and the ground conducting of pcb board.
As shown in Figure 6, the antenna tested tests return loss in darkroom.Whole mobile communication frequency range (690MHz to 960MHz, 1430MHz to 1520MHz, 1710MHz to 2690MHz), the return loss characteristic S11<-6.5dB of this antenna.
As shown in Figure 7, for tested antenna, in the scope of 699MHz to 960MHz, average efficiency reaches 54%, and minimum efficiency is 40%; In the scope of 1430MHz to 2690MHz, average efficiency reaches 64%, minimum efficiency 48%.
Although be described in detail specific embodiments more of the present invention by example, it should be appreciated by those skilled in the art, above example is only to be described, instead of in order to limit the scope of the invention.It should be appreciated by those skilled in the art, can without departing from the scope and spirit of the present invention, above embodiment be modified.Scope of the present invention is limited by claims.
Claims (10)
1. a monopole antenna, comprising:
Supporter;
Be arranged in the radiating curtain on described supporter,
Wherein, this radiating curtain comprises as the first conductor of radiant body, the second conductor, the 3rd conductor and the 4th conductor, wherein the first conductor, the second conductor, the 3rd conductor and the 4th conductor by be arranged in order into a circle clockwise or counterclockwise and the first conductor relative in the diagonal direction with the 3rd conductor; And
Wherein, the first conductor is used for FD feed, and the second conductor, the 3rd conductor and the 4th conductor are used for being connected to ground.
2. monopole antenna according to claim 1, wherein, the first conductor, the 3rd conductor and the 4th conductor are minor matters shapes, and the second conductor is stairstepping.
3. monopole antenna according to claim 2, wherein, first conductor comprises the Part I of minor matters shape and the Part II of minor matters shape, wherein, the minor matters opening of Part I is relative with the minor matters opening of Part II, Part I is connected in bottom with Part II, and the top of Part I and Part II is adjacent with the second conductor, and contiguous 4th conductor of Part I.
4. monopole antenna according to claim 3, wherein, the minor matters shape of Part I and Part II is E shape, and the opening of the E shape of Part I is relative with the opening of the E shape of Part II; The bottom of Part I is used for FD feed.
5. monopole antenna according to claim 2, wherein, opening second conductor dorsad of the minor matters shape of the 3rd conductor, and the opening of the minor matters shape of the 4th conductor is towards the 3rd conductor or the first conductor dorsad;
The minor matters shape of the 3rd conductor is F shape or E shape respectively, and the minor matters shape of the 4th conductor is F shape or E shape respectively.
6. monopole antenna according to claim 2, wherein, the second conductor widely comprises front end, middle part and end successively from being too narrow to, and contiguous 3rd conductor in front end.
7. monopole antenna according to claim 6, wherein, the second conductor also comprises vertical structure, and this vertical structure is positioned at the side of middle part and the end side of the first conductor dorsad.
8. monopole antenna according to claim 1, also comprises printed circuit board (PCB), and described printed circuit board (PCB) comprises headroom district, and the outward flange of the first conductor is corresponding with the edge in headroom district.
9. a vehicle, comprise roof, monopole antenna according to claim 8 and joint pin, wherein, printed circuit board (PCB) is connected with roof by joint pin, the ground of printed circuit board (PCB) and roof conducting.
10. one kind for adjusting the method for monopole antenna, wherein, described monopole antenna comprises radiating curtain, radiating curtain comprises the first conductor as radiant body, second conductor, 3rd conductor and the 4th conductor, first conductor, second conductor, 3rd conductor and the 4th conductor by be arranged in order into a circle clockwise or counterclockwise and the first conductor relative in the diagonal direction with the 3rd conductor, first conductor is used for FD feed, second conductor, 3rd conductor and the 4th conductor are used for being connected to ground, first conductor, 3rd conductor and the 4th conductor are minor matters shapes, second conductor is step-like, second conductor widely comprises front end successively from being too narrow to, middle part and end, contiguous 3rd conductor in front end, first conductor comprises the Part I of minor matters shape and the Part II of minor matters shape, the minor matters opening of Part I is relative with the minor matters opening of Part II, Part I is connected in bottom with Part II, the top of Part I and Part II is adjacent with the second conductor, and contiguous 4th conductor of Part I, described method comprises:
Adjusted the characteristic of monopole antenna by least one execution in following steps, that is, the length extending the second conductor moves to 690MHz with the resonance frequency adjusting antenna; The end of broadening second conductor is to eliminate the clutter impact introduced by data line; Affect to eliminate the clutter introduced by data line at the middle part of the second conductor and the vertical structure of the side loaded of end; Change the middle part width of the second conductor to change the gap size with the first conductor, thus the bandwidth characteristic of fine setting 1430MHz to 1520MHz; The length extending the 3rd conductor offsets to lower to make the resonance wave in 1430MHz to 1520MHz scope; By close to the second conductor for the crooked place of the minor matters shape of the 3rd conductor, to adjust the resonance characteristic at 2300MHz to 2690MHz place; Widen the base section of the 3rd conductor, to reduce the clutter impact introduced by power line; Change at least one in the length of the 4th conductor and the minor matters number of minor matters shape, to change the harmonic wave formed in 2300MHz to 2690MHz scope.
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| CN201510907767.7A CN105305061B (en) | 2015-12-09 | 2015-12-09 | Monopole antenna, vehicle and method of adjustment |
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| CN201510907767.7A CN105305061B (en) | 2015-12-09 | 2015-12-09 | Monopole antenna, vehicle and method of adjustment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109088159A (en) * | 2018-07-24 | 2018-12-25 | 陈彭 | A kind of multifrequency liquid crystal encapsulating antenna |
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| US20120242555A1 (en) * | 2011-03-23 | 2012-09-27 | Mediatek Inc. | Antenna Module |
| TW201436366A (en) * | 2013-03-01 | 2014-09-16 | Amphenol Taiwan Corp | Communication device and the multi-frequency antenna thereof |
| CN204271247U (en) * | 2014-12-31 | 2015-04-15 | 惠州硕贝德无线科技股份有限公司 | A kind of multiparasitization wide-band LTE antenna for mobile phone |
| CN205303672U (en) * | 2015-12-09 | 2016-06-08 | 歌尔声学股份有限公司 | Monopole antenna , vehicle |
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| US20120242555A1 (en) * | 2011-03-23 | 2012-09-27 | Mediatek Inc. | Antenna Module |
| TW201436366A (en) * | 2013-03-01 | 2014-09-16 | Amphenol Taiwan Corp | Communication device and the multi-frequency antenna thereof |
| CN204271247U (en) * | 2014-12-31 | 2015-04-15 | 惠州硕贝德无线科技股份有限公司 | A kind of multiparasitization wide-band LTE antenna for mobile phone |
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| CN109088159A (en) * | 2018-07-24 | 2018-12-25 | 陈彭 | A kind of multifrequency liquid crystal encapsulating antenna |
| CN109088159B (en) * | 2018-07-24 | 2023-11-10 | 集美大学 | Multifrequency liquid crystal packaging antenna |
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