CN204927514U - Microstrip paster antenna with TV university resonance characteristic - Google Patents
Microstrip paster antenna with TV university resonance characteristic Download PDFInfo
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- CN204927514U CN204927514U CN201520730704.4U CN201520730704U CN204927514U CN 204927514 U CN204927514 U CN 204927514U CN 201520730704 U CN201520730704 U CN 201520730704U CN 204927514 U CN204927514 U CN 204927514U
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Abstract
The utility model discloses a microstrip paster antenna with TV university resonance characteristic, including lower floor's dielectric substrate, be equipped with the feed microstrip on a surface of lower floor's dielectric substrate, be equipped with public metal ground on the surface at another of lower floor's dielectric substrate, be equipped with the coupling gap on the center that lies in public metal ground, be equipped with upper dielectric substrate on the ground at public metal, be equipped with the microstrip paster on upper dielectric substrate, be equipped with periodicity isolation gap on the microstrip paster, the microstrip paster is kept apart the gap by periodicity and is cut shape, the sub - paster of microstrip that the area is the same, the periodic gap that keeps apart is nettedly. The utility model discloses on the basis of traditional microstrip paster antenna, can make the paster antenna have right -hand man combined material's characteristic through load periodic gap, introduce the high frequency mode of resonance on this mode of resonance basis, make traditional microstrip antenna have the characteristic of TV university resonance, overcome the reliance of millimeter wave system to high design precision.
Description
Technical field
The utility model relates to a kind of microstrip antenna, especially a kind of microstrip antenna with TV university resonance characteristic.
Background technology
Field of antenna is the field of a vigor and vitality abrim, and in the past nearly 100 years, antenna technology has become the indispensable partner of communication revolution.After experienced by the maturity period of long, medium and short ripple wire antenna, centimeter wave antenna obtains universal, and the surface antenna being applicable to ultrashort wave and microwave frequency band is developed.Along with the development of semiconductor technology, electronic technology such as monolithic integrated microwave circuit (MMIC) technology and computer technology etc., the higher demand of people to message transmission rate and bandwidth makes traditional low-frequency range frequency spectrum resource more and more nervous, therefore to the frequency spectrum resource of high band develop and utilize become the communications industry development in the urgent need to.
Millimetre wavelength between microwave and infrared between, the good characteristic of both, its frequency range is 30GHz-300GHz, and corresponding wavelength is 10mm-1mm.The features such as millimeter wave relies on its special characteristics of atmospheric transmission, available bandwidth and antenna beam narrow have wide practical use in fields such as communication, radar, guidance, remote sensing technology and radio astronomies.Millimeter wave antenna becomes the trend of antenna of new generation already.But traditional technique has been difficult to meet so meticulous process requirements, cost has been by one of key factor of its application still more.Arrived more high band, comprised millimeter wave and submillimeter wave frequency range, miniaturization has not been the advantage of radio-frequency devices, becomes a large defect on the contrary.For current Ka wave band important in satellite communication, its working frequency range is 26 ~ 40GHz, and wave-length coverage is at 1.11cm ~ 0.75cm.If realize with microstrip antenna, consider the condition of resonance of half-wavelength and the impact of medium, the cell size of antenna be millimetre-sized, make precision and reach micron order.In low-frequency range, often electric little dimension antenna is the object of scholar and engineers favor, and has arrived high band, and during as millimere-wave band/submillimeter region, electrically large sizes antenna then becomes new goal in research.
Summary of the invention
The purpose of this utility model proposes a kind of micro-strip paster antenna with TV university resonance characteristic, on the basis of traditional micro-strip paster antenna, adopts periodic gap whole paster to be divided into several identical sub-pasters.The right hand characteristic that the coupling effect generation left hand resonance characteristic introduced due to gap and up and down paster coupling and surface current produce, on the basis of this mode of resonance, produce the mode of resonance of higher frequency, make the micro-strip paster antenna of single mode of resonance originally have the resonance characteristic of TV university.
The utility model adopts following technical scheme: a kind of micro-strip paster antenna with TV university resonance characteristic, comprise layer dielectric substrate, a surface of layer dielectric substrate is provided with fed microstrip, public metal ground is provided with on the surface at another of layer dielectric substrate, the center being positioned at public metal ground is provided with coupling gap, top dielectric substrate is provided with on the ground at public metal, top dielectric substrate is provided with microband paste, microband paste is provided with and periodically isolates gap, described microband paste is periodically isolated gap and is cut and shape, micro-belt paster that area is identical, described periodicity isolation gap is netted.
Compared with prior art, the utility model has following beneficial effect:
The utility model is on the basis of conventional microsthp patch antennas, paster antenna can be made to have the characteristic of right-hand man's composite material by the gap of loading cycle, high-frequency resonant mode is introduced on this mode of resonance basis, make conventional microstrip antenna have the characteristic of TV university resonance, overcome the dependence of millimeter-wave systems for high design accuracy.
The utility model can be described as and comprises upper and lower double-layer structure, superstructure comprises for the microstrip line construction of feed, layer dielectric substrate, public metal ground and the coupling gap being positioned at center, public metal ground, and superstructure comprises top dielectric substrate and comprises the some identical micro-belt paster structure opened by the segmentation of the gap of periodic arrangement.Energy is inputted by fed microstrip, through being positioned at the slot-coupled of center, intermetallic metal ground to upper strata micro-strip paster antenna, produces Net long wave radiation; The metal being positioned at two layer medium substrate forms the structure publicly of feeding microstrip line and micro-strip paster antenna; Microband paste is after the segmentation of periodic gap, form the composite construction with right-hand man's resonance characteristic, thus by regulating the size in paster and segmentation gap, new mode of resonance can be produced in higher frequency, making microstrip antenna have TV university resonance characteristic.
Accompanying drawing explanation
Fig. 1 is the three-dimension integrally structure chart of the micro-strip paster antenna with TV university resonance characteristic.
Fig. 2 is the end view of the micro-strip paster antenna with TV university resonance characteristic.
Fig. 3 is the standing-wave ratio curve chart of the micro-strip paster antenna with TV university resonance characteristic.
Fig. 4 is the gain curve figure of the micro-strip paster antenna with TV university resonance characteristic.
Fig. 5 is the E surface radiation directional diagram of the micro-strip paster antenna with TV university resonance characteristic.
Fig. 6 is the H surface radiation directional diagram of the micro-strip paster antenna with TV university resonance characteristic.
Have in figure: fed microstrip 1, layer dielectric substrate 2, public metal ground 3, coupling gap 4, top dielectric substrate 5, microband paste 6, periodically isolation gap 7.
Embodiment
A kind of micro-strip paster antenna with TV university resonance characteristic, comprise layer dielectric substrate 2, a surface of layer dielectric substrate 2 is provided with fed microstrip 1, public metal ground 3 is provided with on the surface at another of layer dielectric substrate 2, the center being positioned at public metal ground 3 is provided with coupling gap 4, public metal ground 3 is provided with top dielectric substrate 5, top dielectric substrate 5 is provided with microband paste 6, microband paste 6 is provided with periodically isolation gap 7, described microband paste 6 is split and shape by periodicity isolation gap 7, micro-belt paster that area is identical, described periodicity isolation gap 7 is in netted, the gap width at each point place in described periodicity isolation gap 7 is equal.
The microstrip line construction of the utility model feed needs to regulate its micro-bandwidth, makes it meet the input impedance characteristic at the operating frequencies with 50 ohm; The length of fed microstrip can change, the working frequency range that different length respective antenna is different.Periodically microband paste is cut in isolation gap 7, form identical micro-belt paster, make in microband paste, to produce right-hand man and meet resonance characteristic, resonance can be produced in higher frequency, traditional microband paste is made to have TV university resonance characteristic, the periodicity gap width of segmentation metal patch can regulate, and gap is wider, corresponds to higher resonance frequency.The coupling gap of fed microstrip 1 and with being positioned at public metal center is by its size of adjustment, meet the impedance matching requirements under design frequency, coupling gap is positioned at the center on public metal ground, guarantee that the maximization of radiation is penetrated on limit, the length in gap and width can change to some extent, and different sizes corresponds to different mode resonance characteristic at different frequencies.The thickness of layer dielectric substrate 2 is no more than quarter-wave, ensures microstrip-fed normal work; Layer dielectric substrate has identical material properties with top dielectric substrate, but highly different, realizes micro-efficient coupling taking gap to, ensure that entire physical has wider bandwidth of operation by thicker top dielectric substrate by thinner layer dielectric substrate.Its thickness of top dielectric substrate 5 on the one hand can not be too thin, ensures that antenna has wider bandwidth, simultaneously can not be too thick, reduces the impact of media table ground roll as far as possible.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
The embodiment that the utility model adopts is: the micro-strip paster antenna with TV university resonance characteristic comprises the public metal ground 3 of fed microstrip 1, layer dielectric substrate 2, fed microstrip 1 and microband paste 6, the coupling gap 4 being etched in centre, public metal ground, top dielectric substrate 5, microband paste 6 and the periodicity isolation gap 7 for splitting microband paste 6; Unique distinction of the present utility model is, compared to traditional micro-strip paster antenna, in the surperficial introductory phase sexual isolation gap of paster, the basis of single mode of resonance is introduced more mode of resonance, produces the effect of TV university resonance.
Energy is by fed microstrip 1 feed-in, and at the crossover location generation Energy Coupling of fed microstrip 1 with coupling gap 4, energy is coupled in top dielectric 5 by layer dielectric 2, is radiate by microband paste 7; Because microband paste 6 surface introduces periodically isolation gap 7, make to produce coupling capacitance between the subelement for microband paste 6, show as left hand resonance characteristic, simultaneously due to the surface current of the coupling capacitance between microband paste 6 and public metal ground and paster, this antenna structure has right hand resonance characteristic simultaneously, therefore whole antenna structure has the characteristic of right-hand man's composite construction, can produce more mode of resonance on higher frequency; The spacing size in regulating cycle sexual isolation gap 7 can change the effects of coupling between of the subelement of microband paste 6, the resonance frequency of corresponding adjustment higher order mode.
Composition graphs 3, Fig. 4, Fig. 5 and Fig. 6, the resonance frequency with the micro-strip paster antenna of TV university resonance characteristic of the present utility model can be promoted to 8.37GHz from 2.28GHz, improve about 3.7 times than the resonance frequency of traditional micro-strip paster antenna, maximum gain can reach 10.6dBi simultaneously, there is obvious limit and penetrate radiation characteristic, and cross-polarization levels is very low.
According to the above, just the utility model can be realized.
Claims (2)
1. one kind has the micro-strip paster antenna of TV university resonance characteristic, it is characterized in that, comprise layer dielectric substrate (2), a surface of layer dielectric substrate (2) is provided with fed microstrip (1), layer dielectric substrate (2) another with being provided with public metal on the surface (3), the center of with being positioned at public metal (3) is provided with coupling gap (4), at public metal, (3) are provided with top dielectric substrate (5), top dielectric substrate (5) is provided with microband paste (6), microband paste (6) is provided with and periodically isolates gap (7), described microband paste (6) is periodically isolated gap (7) segmentation and shape, micro-belt paster that area is identical, described periodicity isolation gap (7) is in netted.
2. the micro-strip paster antenna with TV university resonance characteristic according to claim 1, is characterized in that, the gap width at each point place of described periodicity isolation gap (7) is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520730704.4U CN204927514U (en) | 2015-09-21 | 2015-09-21 | Microstrip paster antenna with TV university resonance characteristic |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520730704.4U CN204927514U (en) | 2015-09-21 | 2015-09-21 | Microstrip paster antenna with TV university resonance characteristic |
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| Publication Number | Publication Date |
|---|---|
| CN204927514U true CN204927514U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520730704.4U Expired - Fee Related CN204927514U (en) | 2015-09-21 | 2015-09-21 | Microstrip paster antenna with TV university resonance characteristic |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108963443A (en) * | 2017-05-26 | 2018-12-07 | 惠州硕贝德无线科技股份有限公司 | A kind of antenna and encapsulating antenna structure |
| CN113363719A (en) * | 2021-06-24 | 2021-09-07 | 中国农业银行股份有限公司 | Microstrip antenna and electronic equipment based on beidou system |
| CN113410658A (en) * | 2021-06-18 | 2021-09-17 | 安徽大学 | Millimeter wave high-gain grid slot array antenna |
-
2015
- 2015-09-21 CN CN201520730704.4U patent/CN204927514U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108963443A (en) * | 2017-05-26 | 2018-12-07 | 惠州硕贝德无线科技股份有限公司 | A kind of antenna and encapsulating antenna structure |
| CN113410658A (en) * | 2021-06-18 | 2021-09-17 | 安徽大学 | Millimeter wave high-gain grid slot array antenna |
| CN113363719A (en) * | 2021-06-24 | 2021-09-07 | 中国农业银行股份有限公司 | Microstrip antenna and electronic equipment based on beidou system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20160921 |
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| CF01 | Termination of patent right due to non-payment of annual fee |