CN104993245A - S-waveband communication-in-motion double-frequency circularly polarized micro-strip antenna and array thereof - Google Patents
S-waveband communication-in-motion double-frequency circularly polarized micro-strip antenna and array thereof Download PDFInfo
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- CN104993245A CN104993245A CN201510357040.6A CN201510357040A CN104993245A CN 104993245 A CN104993245 A CN 104993245A CN 201510357040 A CN201510357040 A CN 201510357040A CN 104993245 A CN104993245 A CN 104993245A
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Abstract
The invention relates to an S-waveband communication-in-motion double-frequency circularly polarized micro-strip antenna and an array thereof. The micro-strip antenna includes a metal floor, a dielectric substrate, a radiation metal sheet, a parasitic metal sheet and a micro-strip feeder line, and the micro-strip antenna array includes a metal floor, a dielectric substrate, a radiation metal sheet, a parasitic metal sheet and a micro-strip feed network. The S-waveband double-frequency circularly polarized micro-strip antenna and the array thereof introduces the parasitic element on the basis of a traditional double-fed circularly polarized micro-strip antenna and an array thereof, thereby greatly expanding the working bandwidth, and enabling excellent impedance characteristic and radiation characteristic to be realized in a double-frequency-band range of uplink 1.98 to 2.01 GHz and downlink 2.17 to 2.20 GHz of an S waveband.
Description
Technical field
The present invention relates to a kind of S-band communication in moving double frequency round polarized microstrip antenna and array thereof.
Background technology
Communication in moving is the abbreviation of " the ground satellite station communication system in mobile ".In satellite communication antena system, multifrequency antenna can improve communication capacity, reduce ground station build cost, be therefore widely used.Relative to traditional parabolic antenna, microstrip antenna has the plurality of advantages such as low section, lightweight, easy processing, Yi Zuzhen, cost be low, can realize multipolarization mode of operation by reasonable design radiative unit structure and feeding classification; But under normal circumstances, the impedance bandwidth of microstrip antenna is very narrow (2-4%), this severely limits its application in multifrequency/broadband connections field.
Summary of the invention
The technical problem to be solved in the present invention is: in order to overcome the deficiencies in the prior art, the invention provides a kind of S-band double frequency round polarized microstrip antenna and the array structure thereof of introducing parasitic element.
The present invention solves its technical problem and proposes a kind of S-band double frequency round polarized microstrip antenna, comprise three layers of PTFE plate and individual layer PTFE plate, the top layer of described three layers of PTFE plate is provided with radiation sheet metal, the intermediate layer of described three layers of PTFE plate is provided with metal floor, the bottom of described three layers of PTFE plate is provided with microstrip feed line, described three layers of PTFE plate are provided with metallic vias, described microstrip feed line and radiation sheet metal are electrically connected by metallic vias, the top layer of described individual layer PTFE plate is provided with parasitic metal sheet, the central shaft of described radiation sheet metal and parasitic metal sheet overlaps, nylon pin is utilized to support between described three layers of PTFE plate and individual layer PTFE plate.
The present invention solves its technical problem and proposes a kind of S-band double frequency round polarized micro-strip antenna array simultaneously, comprise three layers of PTFE plate and individual layer PTFE plate, the top layer of described three layers of PTFE plate is provided with 8 radiation sheet metals, the intermediate layer of described three layers of PTFE plate is provided with metal floor, the bottom of described three layers of PTFE plate is provided with feeding network, described individual layer PTFE plate is provided with metallic vias, described microstrip feed line and radiation sheet metal are electrically connected by metallic vias, the top layer of described individual layer PTFE plate is provided with 8 parasitic metal sheets, the central shaft of described radiation sheet metal and parasitic metal sheet overlaps respectively, nylon pin is utilized to support between described three layers of PTFE plate and individual layer PTFE plate.
As preferably, corresponding metallic vias cental axial position perforate on described metal floor, the aperture of described perforate is greater than metallic vias aperture.
As preferably, described radiation sheet metal and parasitic metal sheet can be circular or square metal sheet, and its geometric parameter has the following two kinds:
(1), sheet metal is circular: radiation sheet metal radius R 1=29mm, parasitic metal sheet radius R 2=28.5mm;
(2), sheet metal is square: radiation sheet metal length of side a1=47.2mm, parasitic metal sheet length of side a2=45.2mm.
As preferably, medium substrate is provided with in described three layers of PTFE plate, the dielectric constant of described medium substrate is 2.2, be provided with medium substrate between described radiation sheet metal and metal floor, the thickness of described medium substrate is 3.175mm, is provided with medium substrate between described metal base plate and microstrip feed line, the thickness of described medium substrate is 0.508mm, be provided with medium substrate in described individual layer PTFE plate, the dielectric constant of described medium substrate is 2.2, and thickness is 3.175mm.
As preferably, the radius of described metallic vias is 0.8mm, and the radius of described perforate is 1.2mm.
The invention has the beneficial effects as follows, a kind of S-band double frequency round polarized microstrip antenna of the present invention and array thereof, by introducing parasitic element, greatly can widen the impedance bandwidth of microstrip antenna and array thereof, to cover transmitting and receiving frequency band.Through links such as simulation optimization tests, the antenna array performance result obtained is as follows: in 1.9-2.3GHz frequency range, standing-wave ratio VSWR is less than 1.3, axial ratio AR is less than 3dB, in ° beam area of pitching face ± 20, gain is greater than 10dB, in ° beam area of azimuth plane ± 10, gain is greater than 10dB, can meet the up 1.98-2.01GHz of S-band and descending 2.17-2.20GHz " communication in moving " satellite communication earth station transmission requirement.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the perspective view that the radiation sheet metal of a kind of S-band communication in moving double frequency round polarized microstrip antenna of the present invention and array thereof and parasitic metal sheet are disk;
Fig. 2 is the perspective view that the radiation sheet metal of a kind of S-band communication in moving double frequency round polarized microstrip antenna of the present invention and array thereof and parasitic metal sheet are square piece.
Fig. 3 is the microstrip feed line figure of a kind of S-band communication in moving double frequency round polarized microstrip antenna of the present invention and array thereof.
Fig. 4 is the metal floor figure of a kind of S-band communication in moving double frequency round polarized microstrip antenna of the present invention and array thereof.
Fig. 5 is the medium baseplate structure figure of a kind of S-band communication in moving double frequency round polarized microstrip antenna of the present invention and array thereof.
Fig. 6 is the metallic vias figure of a kind of S-band communication in moving double frequency round polarized microstrip antenna of the present invention and array thereof.
Fig. 7 is the standing-wave ratio VSWR figure that the radiation sheet metal of a kind of S-band communication in moving double frequency round polarized microstrip antenna of the present invention and array thereof and parasitic metal sheet are disk.
Fig. 8 is the axial ratio figure that the radiation sheet metal of a kind of S-band communication in moving double frequency round polarized microstrip antenna of the present invention and array thereof and parasitic metal sheet are disk.
Fig. 9 is the frequency that the radiation sheet metal of a kind of S-band communication in moving double frequency round polarized microstrip antenna of the present invention and array thereof and parasitic metal sheet are disk is the antenna pattern of 1.995GHz.
Figure 10 is the frequency that the radiation sheet metal of a kind of S-band communication in moving double frequency round polarized microstrip antenna of the present invention and array thereof and parasitic metal sheet are disk is the antenna pattern of 2.185GHz.
Figure 11 is the standing-wave ratio VSWR figure that the radiation sheet metal of a kind of S-band communication in moving double frequency round polarized microstrip antenna of the present invention and array thereof and parasitic metal sheet are square piece.
Figure 12 is the axial ratio figure that the radiation sheet metal of a kind of S-band communication in moving double frequency round polarized microstrip antenna of the present invention and array thereof and parasitic metal sheet are square piece.
Figure 13 is the frequency that the radiation sheet metal of a kind of S-band communication in moving double frequency round polarized microstrip antenna of the present invention and array thereof and parasitic metal sheet are square piece is the antenna pattern of 1.995GHz.
Figure 14 is the frequency that the radiation sheet metal of a kind of S-band communication in moving double frequency round polarized microstrip antenna of the present invention and array thereof and parasitic metal sheet are square piece is the antenna pattern of 2.185GHz.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
As shown in Fig. 1-Figure 14, a kind of S-band double frequency round polarized microstrip antenna, comprise three layers of PTFE plate 1 and individual layer PTFE plate 2, the top layer of described three layers of PTFE plate 1 is provided with radiation sheet metal 3, the intermediate layer of described three layers of PTFE plate 1 is provided with metal floor 4, the bottom of described three layers of PTFE plate 1 is provided with microstrip feed line 5, described three layers of PTFE plate 1 are provided with metallic vias 6, described microstrip feed line 5 and radiation sheet metal 3 are electrically connected by metallic vias 6, the top layer of described individual layer PTFE plate 2 is provided with parasitic metal sheet 7, the central shaft of described radiation sheet metal 3 and parasitic metal sheet 7 overlaps, nylon pin 8 is utilized to support between described three layers of PTFE plate 1 and individual layer PTFE plate 2.
In order to improve the performance of microstrip antenna further, the present invention further provides a kind of S-band double frequency round polarized micro-strip antenna array on the basis of above-mentioned elementary cell, comprise three layers of PTFE plate 1 and individual layer PTFE plate 2, the top layer of described three layers of PTFE plate 1 is provided with 8 radiation sheet metals 3, the intermediate layer of described three layers of PTFE plate 1 is provided with metal floor 4, the bottom of described three layers of PTFE plate 1 is provided with feeding network 9, described three layers of PTFE plate 1 are provided with metallic vias 6, described microstrip feed line 5 and radiation sheet metal 3 are electrically connected by metallic vias 6, the top layer of described individual layer PTFE plate 2 is provided with 8 parasitic metal sheets 7, the central shaft of described radiation sheet metal 3 and parasitic metal sheet 7 overlaps respectively, nylon pin 8 is utilized to support between described three layers of PTFE plate 1 and individual layer PTFE plate 2.
As preferably, corresponding metallic vias 6 cental axial position perforate 10 on described metal floor 4, the aperture of described perforate 10 is greater than metallic vias 6 aperture.
As preferably, described radiation sheet metal 3 and parasitic metal sheet 7 can be circular or square metal sheet, and its geometric parameter has the following two kinds:
(1), sheet metal is circular: radiation sheet metal 3 radius R 1=29mm, parasitic metal sheet 7 radius R 2=28.5mm;
(2), sheet metal is square: radiation sheet metal 3 length of side a1=47.2mm, parasitic metal sheet 7 length of side a2=45.2mm.
As preferably, medium substrate 11 is provided with in described three layers of PTFE plate 1, the dielectric constant of described medium substrate 11 is 2.2, medium substrate 12 is provided with between described radiation sheet metal 3 and metal floor 4, the thickness of described medium substrate 12 is 3.175mm, medium substrate 13 is provided with between described metal base plate 4 and microstrip feed line 2, the thickness of described medium substrate 13 is 0.508mm, medium substrate 14 is provided with in described individual layer PTFE plate 2, the dielectric constant of described medium substrate 14 is 2.2, and thickness is 3.175mm.
As preferably, the radius of described metallic vias 6 is 0.8mm, and the radius of described perforate 10 is 1.2mm.
embodiment one:composition graphs 1, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, S-band double frequency round polarized micro-strip antenna array of the present invention is formed by nylon pin 8 support and connection by being etched with metal floor 4, radiation sheet metal 3, three layers of PTFE plate 1 of feeding network 9 and the individual layer PTFE plate 1 that is etched with parasitic metal sheet 7.Microstrip feed line 5 and radiation sheet metal 3 are electrically connected by metallic vias 6; Corresponding metallic vias 6 cental axial position perforate 10 on floor, aperture is greater than metallic vias 6 aperture, metal floor 4 and metallic vias 6 electric insulation.Corresponding radiation sheet metal 3 and the central shaft of parasitic metal sheet 7 overlap respectively.The radius R 3=0.8mm of metallic vias 6; The radius R 4=1.2mm of corresponding metallic vias central axis perforate 10 on metal floor 4.The radius R 1=29mm of radiation sheet metal 3, the radius R 2=28.5mm of parasitic metal sheet 7.The dielectric constant of the medium substrate 11 in three layers of PTFE plate 1 is 2.2, and the thickness of the medium substrate 12 between radiation sheet metal 3 and metal floor 4 is 3.175mm, and the thickness of the medium substrate 13 between metal floor 4 and feeding network 9 is 0.508mm; The dielectric constant of the medium substrate 14 in individual layer PTFE plate 1 is 2.2, and the thickness of medium substrate 14 is 3.175mm.Feeding network 9 comprises the microstrip transmission line of 15 Wilkinson microstrip power dividers 15 and appropriate design.The radius R 5=2mm of nylon pin 8, for supporting three layers of PTFE plate 1 and individual layer PTFE plate 2.
Above-mentioned each several part forms a complete micro-strip antenna array.Due to the coupling effect of parasitic metal sheet 7, the impedance bandwidth of microstrip antenna and array thereof greatly can be widened; For radiation sheet metal 3, adopting double-fed mode, by reasonably regulating the length of microstrip feed line in feeding network, realizing the orthogonal feed mode of 90 ° of phase differences, and then ensure circular polarization radiation characteristic good in transmitting-receiving frequency band range, as shown in Fig. 7-Figure 10.
embodiment two:composition graphs 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, S-band double frequency round polarized micro-strip antenna array of the present invention is formed by nylon pin 8 support and connection by being etched with metal floor 4, radiation sheet metal 3, three layers of PTFE plate 1 of feeding network 9 and the individual layer PTFE plate 1 that is etched with parasitic metal sheet 7.Microstrip feed line 5 and radiation sheet metal 3 are electrically connected by metallic vias 6; Corresponding metallic vias 6 cental axial position perforate 10 on metal floor 4, aperture is greater than metallic vias 6 aperture, metal floor 4 and metallic vias 6 electric insulation.Corresponding radiation sheet metal 3 and the central shaft of parasitic metal sheet 7 overlap respectively.The radius R 3=0.8mm of metallic vias 6; The radius R 4=1.2mm of corresponding metallic vias 6 central axis perforate 10 on metal floor 4.The length of side a1=47.2mm of radiation sheet metal 3, the length of side a2=45.2mm of parasitic metal sheet 7.The dielectric constant of the medium substrate 11 in three layers of PTFE plate 1 is 2.2, and the thickness of the medium substrate 12 between radiation sheet metal 3 and metal floor 4 is 3.175mm, and the thickness of the medium substrate 13 between metal floor 4 and feeding network 9 is 0.508mm; The dielectric constant of the medium substrate 14 in individual layer PTFE plate 1 is 2.2, and the thickness of medium substrate 14 is 3.175mm.Feeding network 9 comprises the microstrip transmission line of 15 Wilkinson microstrip power dividers 15 and appropriate design.The radius R 5=2mm of nylon pin 8, for supporting three layers of PTFE plate 1 and individual layer PTFE plate 2.
Above-mentioned each several part forms a complete micro-strip antenna array.Due to the coupling effect of parasitic metal sheet 7, the impedance bandwidth of microstrip antenna and array thereof greatly can be widened; For radiation sheet metal 3, adopting double-fed mode, by reasonably regulating the length of microstrip feed line in feeding network, realizing the orthogonal feed mode of 90 ° of phase differences, and then ensure circular polarization radiation characteristic good in transmitting-receiving frequency band range, as shown in figures 11-14.
The invention has the beneficial effects as follows, a kind of S-band double frequency round polarized microstrip antenna of the present invention and array thereof, by introducing parasitic element, greatly can widen the impedance bandwidth of microstrip antenna and array thereof, to cover transmitting and receiving frequency band.Through links such as simulation optimization tests, the antenna array performance result obtained is as follows: in 1.9-2.3GHz frequency range, standing-wave ratio VSWR is less than 1.3, axial ratio AR is less than 3dB, in ° beam area of pitching face ± 20, gain is greater than 10dB, in ° beam area of azimuth plane ± 10, gain is greater than 10dB, can meet the up 1.98-2.01GHz of S-band and descending 2.17-2.20GHz " communication in moving " satellite communication earth station transmission requirement.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on specification, must determine its technical scope according to right.
Claims (6)
1. a S-band communication in moving double frequency round polarized microstrip antenna, it is characterized in that: comprise three layers of PTFE plate and individual layer PTFE plate, the top layer of described three layers of PTFE plate is provided with radiation sheet metal, the intermediate layer of described three layers of PTFE plate is provided with metal floor, the bottom of described three layers of PTFE plate is provided with microstrip feed line, described three layers of PTFE plate are provided with metallic vias, described microstrip feed line and radiation sheet metal are electrically connected by metallic vias, the top layer of described individual layer PTFE plate is provided with parasitic metal sheet, the central shaft of described radiation sheet metal and parasitic metal sheet overlaps, nylon pin is utilized to support between described three layers of PTFE plate and individual layer PTFE plate.
2. a kind of S-band communication in moving double frequency round polarized microstrip antenna according to claim 1, is characterized in that: corresponding metallic vias cental axial position perforate on described metal floor, the aperture of described perforate is greater than metallic vias aperture.
3. a kind of S-band communication in moving double frequency round polarized microstrip antenna according to claim 1, is characterized in that: described radiation sheet metal and parasitic metal sheet can be circular or square metal sheet, and its geometric parameter has the following two kinds:
(1), sheet metal is circular: radiation sheet metal radius R 1=29mm, parasitic metal sheet radius R 2=28.5mm;
(2), sheet metal is square: radiation sheet metal length of side a1=47.2mm, parasitic metal sheet length of side a2=45.2mm.
4. a kind of S-band communication in moving double frequency round polarized microstrip antenna according to claim 1, it is characterized in that: in described three layers of PTFE plate, be provided with medium substrate, the dielectric constant of described medium substrate is 2.2, medium substrate is provided with between described radiation sheet metal and metal floor, the thickness of described medium substrate is 3.175mm, medium substrate is provided with between described metal base plate and microstrip feed line, the thickness of described medium substrate is 0.508mm, medium substrate is provided with in described individual layer PTFE plate, the dielectric constant of described medium substrate is 2.2, and thickness is 3.175mm.
5. a kind of S-band communication in moving double frequency round polarized microstrip antenna according to claim 1, it is characterized in that: the radius of described metallic vias is 0.8mm, the radius of described perforate is 1.2mm.
6. a S-band communication in moving double frequency round polarized micro-strip antenna array, it is characterized in that: comprise three layers of PTFE plate and individual layer PTFE plate, the top layer of described three layers of PTFE plate is provided with 8 radiation sheet metals, the intermediate layer of described three layers of PTFE plate is provided with metal floor, the bottom of described three layers of PTFE plate is provided with feeding network, described individual layer PTFE plate is provided with metallic vias, described microstrip feed line and radiation sheet metal are electrically connected by metallic vias, the top layer of described individual layer PTFE plate is provided with 8 parasitic metal sheets, the central shaft of described radiation sheet metal and parasitic metal sheet overlaps respectively, nylon pin is utilized to support between described three layers of PTFE plate and individual layer PTFE plate, it is characterized in that described communication in moving double frequency round polarized microstrip antenna is as claim 1, claim 2, claim 3, claim 4 and claim 5.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106169649A (en) * | 2016-08-30 | 2016-11-30 | 厦门致联科技有限公司 | A kind of Ultrathin high gain reading and writing device antenna battle array for rfid system |
| CN107046183A (en) * | 2016-02-05 | 2017-08-15 | 三星电机株式会社 | Utilize the array antenna of artificial magnetic conductor |
| CN109728405A (en) * | 2018-12-28 | 2019-05-07 | 维沃移动通信有限公司 | Antenna structure and high-frequency wireless communication terminal |
| CN112290227A (en) * | 2020-10-29 | 2021-01-29 | 上海大学 | Dual-frequency dual-circularly-polarized antenna array |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1034095A (en) * | 1987-12-19 | 1989-07-19 | 北京大学 | Wide frequency band loop parasific array antenna |
| CN2426641Y (en) * | 2000-07-06 | 2001-04-11 | 中国科学院电子学研究所 | Microband folding double-frequency double-polarizing broad-band antenna |
| CN102160235A (en) * | 2008-09-22 | 2011-08-17 | 凯瑟雷恩工厂两合公司 | Multilayer antenna arrangement |
| KR101147939B1 (en) * | 2011-12-20 | 2012-05-23 | 삼성탈레스 주식회사 | X-band and s-band dual-polarized microstrip stacked patch array antenna |
| CN103441332A (en) * | 2013-08-21 | 2013-12-11 | 华为技术有限公司 | Micro-strip array antenna and base station |
| CN104067442A (en) * | 2011-12-23 | 2014-09-24 | 阿尔卡特朗讯 | Crosspolar multiband panel antenna |
-
2015
- 2015-06-25 CN CN201510357040.6A patent/CN104993245A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1034095A (en) * | 1987-12-19 | 1989-07-19 | 北京大学 | Wide frequency band loop parasific array antenna |
| CN2426641Y (en) * | 2000-07-06 | 2001-04-11 | 中国科学院电子学研究所 | Microband folding double-frequency double-polarizing broad-band antenna |
| CN102160235A (en) * | 2008-09-22 | 2011-08-17 | 凯瑟雷恩工厂两合公司 | Multilayer antenna arrangement |
| KR101147939B1 (en) * | 2011-12-20 | 2012-05-23 | 삼성탈레스 주식회사 | X-band and s-band dual-polarized microstrip stacked patch array antenna |
| CN104067442A (en) * | 2011-12-23 | 2014-09-24 | 阿尔卡特朗讯 | Crosspolar multiband panel antenna |
| CN103441332A (en) * | 2013-08-21 | 2013-12-11 | 华为技术有限公司 | Micro-strip array antenna and base station |
Non-Patent Citations (1)
| Title |
|---|
| 邱景辉 等: "新型S波段宽频微带天线阵研究", 《宇航学报》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107046183A (en) * | 2016-02-05 | 2017-08-15 | 三星电机株式会社 | Utilize the array antenna of artificial magnetic conductor |
| CN106169649A (en) * | 2016-08-30 | 2016-11-30 | 厦门致联科技有限公司 | A kind of Ultrathin high gain reading and writing device antenna battle array for rfid system |
| CN109728405A (en) * | 2018-12-28 | 2019-05-07 | 维沃移动通信有限公司 | Antenna structure and high-frequency wireless communication terminal |
| US11909098B2 (en) | 2018-12-28 | 2024-02-20 | Vivo Mobile Communication Co., Ltd. | Antenna structure and high-frequency wireless communications terminal |
| CN112290227A (en) * | 2020-10-29 | 2021-01-29 | 上海大学 | Dual-frequency dual-circularly-polarized antenna array |
| CN112290227B (en) * | 2020-10-29 | 2022-05-20 | 上海大学 | Dual-frequency dual-circularly-polarized antenna array |
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Application publication date: 20151021 |