CN104201479A - Ku waveband low-profile planar antenna - Google Patents
Ku waveband low-profile planar antenna Download PDFInfo
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- CN104201479A CN104201479A CN201410433908.1A CN201410433908A CN104201479A CN 104201479 A CN104201479 A CN 104201479A CN 201410433908 A CN201410433908 A CN 201410433908A CN 104201479 A CN104201479 A CN 104201479A
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- 239000011148 porous material Substances 0.000 claims description 16
- 230000005855 radiation Effects 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000005530 etching Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 13
- 238000005388 cross polarization Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
The application relates to a Ku waveband low-profile planar antenna, which mainly comprises a trumpet radiating layer, a micro-strip feed layer, a transmitting layer and a reflecting layer. The trumpet of the trumpet radiating layer is trapezoid-shaped; all the layers of the antenna are connected by using screws; the trumpet radiating layer adopts the trapezoid-shaped design, so that the radiating performance of the antenna can be improved; as the layers of the antenna are connected by using the screws, the relative positions of the layers are ensured to be not deviated, the performance of the antenna is ensured, the process is relatively simple, and the cost is low. The efficiency of the antenna is high, and is up to about 85%; the equalization degree of an antenna pattern is high, the profile of the antenna is low, the height of the antenna is about 23.7 mm, the antenna is light in weight and is about 0.9 kg, so that the antenna is convenient to carry and store, easy to assemble into an antenna with higher gain. The antenna adopts the symmetric array structure, so that the cross polarization performance is relatively ideal.
Description
Technical field
The application relates to satellite communication antena field, specifically the plate aerial of the low section of a kind of Ku wave band.
Background technology
Along with the development of satellite communication cause, also more and more higher to the requirement of satellite communication antena, require the advantages such as satellite communication antena needs are lightweight, section is low, performance is high, portable.Traditional parabolic antenna is due to himself design feature, can not accomplish that volume is very little, and parabolic antenna is because its required precision is higher, therefore for parabolic antenna, its antenna surface can not be split into a lot of parts, and this specification requirement for operating personnel is higher, if assembly precision is not up to standard, also can cause antenna performance not up to standard.Car antenna and airborne antenna have strict requirement to antenna height and weight, because the height of antenna and weight can directly affect the travel speed of vehicle and the flying speed of aircraft.So plate aerial just appears in people's the visual field, this type of antenna because lightweight, section is low, performance is high, the advantage such as portable, is widely used in the occasions such as portable station, car antenna, airborne antenna.
The feeding classification of the plate aerial of seeing in the market, mostly is waveguide feed, and this type of feed form plate aerial also has lot of advantages, but that its shortcoming is thickness is large, Heavy Weight, difficulty of processing is large, cost is high.And the plate aerial of present stage often can only realize and receiving or emission function, can not realize this two functions simultaneously, be therefore necessary existing antenna to improve, make it to become function more comprehensive, the antenna that utilization scope is wider.
Summary of the invention
For the deficiencies in the prior art, the application discloses the low section plate aerial of a kind of Ku wave band, this antenna can be realized transmission-receiving function simultaneously, and can when meeting performance requirement, solve the larger problem of thickness of existing plate aerial feeding network layer, guarantee the portability of plate aerial.
The application is achieved through the following technical solutions:
The low section plate aerial of Ku wave band, comprises the loudspeaker radiation layer, reception signal micro-strip feed layer, transport layer and the reflector that are connected by screw successively, and wherein, described loudspeaker radiation layer comprises several scalar horn radiators.
Described in the application, loudspeaker radiation layer comprises 2
n* 2
nindividual scalar horn radiator, between adjacent scalar horn radiator, spacing is less than a λ, and wherein, n is positive number.
Described in the application, the neck of scalar horn radiator is trapezoidal lumen pore, and the upper bottom side length of trapezoidal lumen pore is 3/4 λ, and the length of side of going to the bottom is 5/9 λ, is highly 1/3 λ; The throat of described scalar horn radiator is flat square lumen pore, and the length of side of flat square lumen pore is 5/9 λ, is highly 1/12 λ.
The low section plate aerial of a kind of Ku wave band described in the application, also comprises the micro-strip feed layer that transmits, described in the micro-strip feed layer that transmits be arranged between transport layer and reflector.
The structure of the micro-strip feed layer that transmits described in the application and reception signal micro-strip feed layer is the multistage bisection power splitter of etching and a plurality of one-to-two constant amplitude out-phase power splitter on bilayer copper clad plate, and multistage bisection power splitter end connects one-to-two constant amplitude out-phase power splitter; The multistage bisection power splitter transmitting in micro-strip feed layer is vertical with the installation direction that receives the multistage bisection power splitter in signal micro-strip feed layer; The one-to-two constant amplitude out-phase power splitter transmitting in micro-strip feed layer is vertical with the one-to-two constant amplitude out-phase power splitter installation direction receiving in signal micro-strip feed layer.
The thickness of the micro-strip feed layer that transmits described in the application and reception signal micro-strip feed layer is 0.254 millimeter.
Described in the application, transport layer comprises 2
n* 2
nthe individual length of side is 5/9 λ, the flat square lumen pore that is highly about 1/5 λ, and wherein, n is positive number.
Described in the application, reflector is 2
n* 2
nthe individual length of side is that 5/9 λ, flat square lumen pore and the metallic walls that is highly about 1/4 λ are formed by connecting, and wherein, n is positive number.
Described in the application, the thickness of metallic walls is 2mm.
The application adopts as above technical scheme, has following technique effect:
Radiating layer described in the application adopts horn radiator, horn radiator can effectively amplify signal, regulate the size of horn radiator and the spacing of adjacent horn radiator can carry out figuration to antenna pattern, the antenna pattern that obtains wanting and antenna gain.Further, loudspeaker radiation layer adopts trapezoidal design, can improve the performance of antenna.
In the application, adopted reflected signal micro-strip feed layer and the micro-strip feed layer that transmits, can receive and sending function so that an antenna is realized simultaneously, different feed layer is processed different signals, has guaranteed that signal there will not be interference, has improved performance and the scope of application of antenna.The every aspect of antenna adopts screw to connect, and can guarantee that every aspect relative position can not be offset, and guarantees the performance of antenna, and this project organization processing is fairly simple, and provides cost savings., be easy to carry meanwhile, be easy to be assembled into the higher antenna of gain.Because this antenna adopts symmetric array structure, cross-polarization performance is more satisfactory.
Described in the application, plate aerial efficiency is high, and antenna efficiency can reach 85% left and right, and the change degree such as antenna pattern are high, antenna section is low, lightweight, and antenna height is about 23.7mm, and weight is about 0.9kg.
Accompanying drawing explanation
Fig. 1 is the application's structural upright view;
Fig. 2 is that the application specifically forms schematic diagram;
Fig. 3 is the application's sectional view;
Fig. 4 is the application's transport layer front view;
Fig. 5 is the application's reflector front view;
Fig. 6 is the application's reception signal micro-strip feed layer front view;
Fig. 7 is the application's the micro-strip feed layer front view that transmits;
Fig. 8 is the application's the micro-strip feed layer rearview that transmits;
Fig. 9 is the application's radiating layer rearview;
Figure 10 is the application's antenna performance directional diagram;
In figure: 1-loudspeaker radiation layer, 2-receive signal micro-strip feed layer, 3-transport layer, the 4-micro-strip feed layer that transmits, 5-reflector, 6-reception signal micro-strip feed layer access port, the 7-micro-strip feed layer that transmits access port.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the application.
As shown in Figure 2, the low section plate aerial of Ku wave band, comprises the loudspeaker radiation layer 1, reception signal micro-strip feed layer 2, transmitting layer 3 and the reflector 5 that are connected by screw successively, wherein, described loudspeaker radiation layer 1 is comprised of several scalar horn radiators, as shown in Figure 1.Such design can guarantee that every aspect relative position can not be offset, and guarantees the performance of antenna, and processing is got up fairly simple, and cost is low.
As shown in Figure 3, the loudspeaker of the loudspeaker radiation layer 1 described in the application are trapezoidal, and described loudspeaker radiation layer 1 comprises several scalar horn radiators, and loudspeaker radiation layer 1 adopts trapezoidal design, can improve the performance of antenna.
As shown in Figure 9, preferably, described loudspeaker radiation layer 1 comprises 2
n* 2
n(wherein, n is positive number) individual scalar horn radiator, between each scalar horn radiator, spacing is less than a λ.After adopting this design, avoided signal between scalar horn radiator to occur the phenomenon of graing lobe, thereby guaranteed the performance of antenna.
As a kind of improvement of the application, the neck of described scalar horn radiator is that upper bottom side length is 3/4 λ, the length of side of going to the bottom is 5/9 λ, is highly the trapezoidal lumen pore of 1/3 λ, and throat is that the length of side is 5/9 λ, is highly the flat square lumen pore of 1/12 λ.After adopting this design, horn radiator can effectively amplify signal, regulates the size of horn radiator and the spacing of adjacent horn radiator can carry out figuration to antenna pattern, the antenna pattern that obtains wanting and antenna gain.
As shown in Fig. 2,6,7, the plate aerial described in the application also comprises the micro-strip feed layer 4 that transmits, described in the micro-strip feed layer 4 that transmits be arranged between transmitting layer 3 and reflector 5.After adopting this design, can be so that an antenna is realized to be received and sending function simultaneously, different feed layer is processed different signals, has guaranteed that signal there will not be interference, has improved performance and the scope of application of antenna.
Preferably, the structure of described transmit micro-strip feed layer 4 and reception signal micro-strip feed layer 2 is the multistage bisection power splitter of etching and a plurality of one-to-two constant amplitude out-phase power splitter on bilayer copper clad plate, and multistage bisection power splitter end connects one-to-two constant amplitude out-phase power splitter; The multistage bisection power splitter transmitting in micro-strip feed layer is vertical with the installation direction that receives the multistage bisection power splitter in signal micro-strip feed layer; The one-to-two constant amplitude out-phase power splitter transmitting in micro-strip feed layer is vertical with the one-to-two constant amplitude out-phase power splitter installation direction receiving in signal micro-strip feed layer.
Preferably, the one-to-two constant amplitude out-phase power splitter end of the micro-strip feed layer that transmits 4 arranges coupling unit, and coupling unit can be for regulating antenna standing wave.
The described thickness that transmits micro-strip feed layer 4 and reception signal micro-strip feed layer 2 can be accomplished 0.254 millimeter.After adopting this design, not only can realize wideband impedance matching, and it is larger to have solved microstrip-fed layer thickness of the prior art, the problem that weight is heavier, has promoted the portability of plate aerial.
As shown in Figure 4, described transmitting layer 3 comprises 2
n* 2
n(wherein, n is positive number) individual length of side is 5/9 λ, the flat square lumen pore that is highly about 1/5 λ.Adopt after this design, the size of transmitting layer 3 is identical with the lower end size of loudspeaker radiation layer 1, has guaranteed that the loss of signal transmission reduces.
As shown in Figure 5, described reflector 5 is by 2
n* 2
n(wherein, n is positive number) individual length of side is 5/9 λ, be highly about the metallic walls that the flat square lumen pore of 1/4 λ and thickness are 2mm connects and composes.After adopting this design, increase the directivity of antenna, regulated the height of square effectively to antenna pattern and standing wave, to be optimized.
As shown in Figure 8, the micro-strip feed layer that transmits 4 and reception signal micro-strip feed layer 2 have signal cable access port, are respectively and transmit micro-strip feed layer access port 7 and receive signal micro-strip feed layer access port 6.Signal cable access port, not in same direction, after adopting this design, has been optimized antenna internal structure, and interfering appears in anti-stop signal, guarantees antenna performance.
Preferably, described transmitting layer 3 has a feeder cable hole, and the described micro-strip feed layer 4 that transmits has a feeder cable hole, and described reflector 5 has two feeder cable holes.Position of opening is corresponding with transmit micro-strip feed layer access port 7 and reception signal micro-strip feed layer access port 6, and after adopting this design, antenna internal structure improves, and guarantees antenna performance.
In the application, selecting n is that 8 embodiment tests, and obtains following effect: it is high that described plate aerial efficiency can reach the change degree such as 85% left and right, antenna pattern, and antenna section is low, and antenna height is about 23.7mm, weight is lighter, is about 0.9kg; Described in the application, plate aerial is easy to carry, and is easy to be assembled into the higher antenna of gain.Because this antenna adopts symmetric array structure, cross-polarization performance is more satisfactory.
As shown in figure 10, in frequency, be that under 14.25GHz, plate aerial gain of the present invention can reach 27.7399dBi.
Take the above-mentioned desirable embodiment according to the application as enlightenment, and by above-mentioned description, relevant staff can, within not departing from the scope of this application technological thought, carry out various change and modification completely.The application's protection range is not limited only to the disclosed technological means of above-mentioned technological means, also comprises the technical scheme being comprised of above technical characterictic combination in any.
Claims (9)
1. the low section plate aerial of Ku wave band, is characterized in that: comprise the loudspeaker radiation layer, reception signal micro-strip feed layer, transport layer and the reflector that are connected by screw successively, wherein, described loudspeaker radiation layer comprises several scalar horn radiators.
2. the low section plate aerial of a kind of Ku wave band according to claim 1, is characterized in that: described loudspeaker radiation layer comprises 2
n* 2
nindividual scalar horn radiator, between adjacent scalar horn radiator, spacing is less than a λ, and wherein, n is positive number.
3. the low section plate aerial of a kind of Ku wave band according to claim 1, is characterized in that: the neck of described scalar horn radiator is trapezoidal lumen pore, and the upper bottom side length of trapezoidal lumen pore is 3/4 λ, and the length of side of going to the bottom is 5/9 λ, is highly 1/3 λ; The throat of described scalar horn radiator is flat square lumen pore, and the length of side of flat square lumen pore is 5/9 λ, is highly 1/12 λ.
4. the low section plate aerial of a kind of Ku wave band according to claim 1, is characterized in that: also comprise the micro-strip feed layer that transmits, described in the micro-strip feed layer that transmits be arranged between transport layer and reflector.
5. the low section plate aerial of a kind of Ku wave band according to claim 4, it is characterized in that: described in the structure that transmits micro-strip feed layer and receive signal micro-strip feed layer be the multistage bisection power splitter of etching and a plurality of one-to-two constant amplitude out-phase power splitter on bilayer copper clad plate, multistage bisection power splitter end connects one-to-two constant amplitude out-phase power splitter; The multistage bisection power splitter transmitting in micro-strip feed layer is vertical with the installation direction that receives the multistage bisection power splitter in signal micro-strip feed layer; The one-to-two constant amplitude out-phase power splitter transmitting in micro-strip feed layer is vertical with the one-to-two constant amplitude out-phase power splitter installation direction receiving in signal micro-strip feed layer.
6. the low section plate aerial of a kind of Ku wave band according to claim 4, is characterized in that: described in the thickness that transmits micro-strip feed layer and receive signal micro-strip feed layer be 0.254 millimeter.
7. the low section plate aerial of a kind of Ku wave band according to claim 1, is characterized in that: described transport layer comprises 2
n* 2
nthe individual length of side is 5/9 λ, the flat square lumen pore that is highly about 1/5 λ, and wherein, n is positive number.
8. the low section plate aerial of a kind of Ku wave band according to claim 1, is characterized in that: described reflector is 2
n* 2
nthe individual length of side is that 5/9 λ, flat square lumen pore and the metallic walls that is highly about 1/4 λ are formed by connecting, and wherein, n is positive number.
9. the low section plate aerial of a kind of Ku wave band according to claim 8, is characterized in that: the thickness of described metallic walls is 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410433908.1A CN104201479B (en) | 2014-08-29 | 2014-08-29 | A kind of Ku wave band low section plate aerial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410433908.1A CN104201479B (en) | 2014-08-29 | 2014-08-29 | A kind of Ku wave band low section plate aerial |
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| CN104201479A true CN104201479A (en) | 2014-12-10 |
| CN104201479B CN104201479B (en) | 2016-08-24 |
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| CN201410433908.1A Active CN104201479B (en) | 2014-08-29 | 2014-08-29 | A kind of Ku wave band low section plate aerial |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161838A (en) * | 2015-09-25 | 2015-12-16 | 南京中网卫星通信股份有限公司 | Single-cavity panel antenna array unit |
| CN105742776A (en) * | 2016-04-01 | 2016-07-06 | 中国电子科技集团公司第三十八研究所 | Tile-shaped multi-power divider integrated with multiple microstrips |
| CN111029759A (en) * | 2019-12-05 | 2020-04-17 | 南京理工大学 | SIW parallel feed array antenna with low cross polarization |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1885616A (en) * | 2005-06-23 | 2006-12-27 | 北京海域天华通讯设备有限公司 | High-gain waveguide trumpet array flat antenna |
| WO2010028625A1 (en) * | 2008-09-12 | 2010-03-18 | Lfk-Lenkflugkörpersysteme Gmbh | Antenna apparatus for radio-frequency electromagnetic waves |
-
2014
- 2014-08-29 CN CN201410433908.1A patent/CN104201479B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1885616A (en) * | 2005-06-23 | 2006-12-27 | 北京海域天华通讯设备有限公司 | High-gain waveguide trumpet array flat antenna |
| WO2010028625A1 (en) * | 2008-09-12 | 2010-03-18 | Lfk-Lenkflugkörpersysteme Gmbh | Antenna apparatus for radio-frequency electromagnetic waves |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161838A (en) * | 2015-09-25 | 2015-12-16 | 南京中网卫星通信股份有限公司 | Single-cavity panel antenna array unit |
| WO2017050023A1 (en) * | 2015-09-25 | 2017-03-30 | 南京中网卫星通信股份有限公司 | Single-cavity flat plate antenna array unit |
| CN105742776A (en) * | 2016-04-01 | 2016-07-06 | 中国电子科技集团公司第三十八研究所 | Tile-shaped multi-power divider integrated with multiple microstrips |
| CN105742776B (en) * | 2016-04-01 | 2019-02-05 | 中国电子科技集团公司第三十八研究所 | Multi-disc micro-strip integrates the more power splitters of tile type |
| CN111029759A (en) * | 2019-12-05 | 2020-04-17 | 南京理工大学 | SIW parallel feed array antenna with low cross polarization |
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| Publication number | Publication date |
|---|---|
| CN104201479B (en) | 2016-08-24 |
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Application publication date: 20141210 Assignee: Nanjing Jiangbei new area Yangzi Technology Finance Leasing Co.,Ltd. Assignor: Nanjing China-Spacenet Satellite Telecom Co.,Ltd. Contract record no.: X2021320000065 Denomination of invention: A Ku band low profile planar antenna Granted publication date: 20160824 License type: Exclusive License Record date: 20210804 |
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Denomination of invention: A Ku band low profile planar antenna Effective date of registration: 20210816 Granted publication date: 20160824 Pledgee: Nanjing Jiangbei new area green Financing Guarantee Co.,Ltd. Pledgor: Nanjing China-Spacenet Satellite Telecom Co.,Ltd. Registration number: Y2021320000176 |
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Assignee: Nanjing Jiangbei new area Yangzi Technology Finance Leasing Co.,Ltd. Assignor: NANJING CHINA-SPACENET SATELLITE TELECOM Co.,Ltd. Contract record no.: X2021320000065 Date of cancellation: 20220909 |
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Date of cancellation: 20220908 Granted publication date: 20160824 Pledgee: Nanjing Jiangbei new area green Financing Guarantee Co.,Ltd. Pledgor: NANJING CHINA-SPACENET SATELLITE TELECOM Co.,Ltd. Registration number: Y2021320000176 |