CN104393406A - Single-pulse array antenna - Google Patents
Single-pulse array antenna Download PDFInfo
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- CN104393406A CN104393406A CN201410666404.4A CN201410666404A CN104393406A CN 104393406 A CN104393406 A CN 104393406A CN 201410666404 A CN201410666404 A CN 201410666404A CN 104393406 A CN104393406 A CN 104393406A
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- wave dipole
- reflection plate
- conducting wire
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Abstract
The invention relates to a single-pulse array antenna. The single-pulse array antenna comprises a circular metal reflection plate, a radiation array layer, an equilibrium conversion feed layer and a single-pulse feed network layer. The radiation array layer is arranged above the metal reflection plate, and a gap is left between the metal reflection plate and the radiation array layer. The equilibrium conversion feed layer is connected with the radiation array layer and is arranged above the metal reflection plate and disposed at the same dielectric layer with the radiation array layer. The single-pulse feed network layer is connected with the equilibrium conversion feed layer and is arranged below the metal reflection plate. According to the single-pulse array antenna, a parallel two-circuit feed mode is used on the radiation array layer, the structure is simple, and machining is facilitated; a micro-strip to parallel two-wire transformation feed mode is used on the equilibrium conversion feed layer, and accordingly, the equilibrium conversion feed layer can share the same dielectric layer with the array layer; a waveguide structure is used on the single-pulse feed network layer, so that losses can be reduced, the antenna efficiency can be improved, and the single-pulse array antenna has the advantages of being high in efficiency, wide in band, far in acting distance and the like.
Description
Technical field
The present invention relates to a kind of antenna structure, specifically refer to a kind of Monopulse Antenna, belong to Antenna Design field.
Background technology
In prior art, to Monopulse Antenna design research mainly for reflector antenna, radiating guide and microstrip antenna three kinds.
" detection and control journal " (VoL30, NO.1P58-62 2008) in the document " research of Ku wave band micro-band single pulse antenna " of publication disclose and a kind ofly adopt microstrip antenna form and the monopulse antenna that realizes, wherein sum-difference network and feeding network are all at same layer, make antenna quality light, be easy to processing.But owing to adopting the form of parallelly feeding, therefore cause transmission path long, loss is comparatively large, and antenna efficiency is low.
" electronics and information journal " (VoL29, NO.11P2743-2746 2007) in the document " L/S two-band circular array pulse parabolic antenna " of publication disclose and a kind ofly adopt reflector antenna form and the double frequency monopulse antenna that realizes, because it adopts Cassegrain antenna form (double-reflecting face), make longitudinal size comparatively large and antenna efficiency and the more difficult realization of Sidelobe performance.
Based on above-mentioned, the present invention proposes a kind ofly to adopt parallel double conducting wire feed and the monopulse antenna that realizes, and its structure is simple, is beneficial to batch to produce, and adopts waveguide sum-difference network, and make loss little, antenna efficiency is high.
Summary of the invention
The object of the present invention is to provide a kind of Monopulse Antenna, wherein radiating curtain layer adopts parallel double conducting wire feeding classification, and structure is simple, is easy to processing; Balance conversion feed layer adopts micro-band to turn parallel double conducting wire feeding classification, can be total to dielectric layer with radiating curtain layer, realizes impedance transformation and unit feeding unbalance and balance and changes; Pulse transmission network network layers adopts waveguiding structure, can reduce loss, improve antenna efficiency, thus Monopulse Antenna is had, and efficiency is high, bandwidth, the characteristics such as operating distance is far away.
In order to achieve the above object, Monopulse Antenna provided by the present invention, comprises: metallic reflection plate, and it is rounded; Radiating curtain layer, it is arranged on the top of described metallic reflection plate, and and leave gap between this metallic reflection plate; Balance conversion feed layer, it is connected with described radiating curtain layer, is arranged on the top of described metallic reflection plate, and is positioned at same dielectric layer with this radiating curtain layer; Pulse transmission network network layers, itself and described balance are changed feed layer and are connected, and are arranged on the below of described metallic reflection plate.
Described radiating curtain layer comprises two group pattern assemblies, and every group pattern assembly comprises some being parallel to each other and the half-wave dipole linear array of the parallel double conducting wire arranged at certain intervals excitation; The half-wave dipole linear array of the some parallel double conducting wires excitation in two group pattern assemblies with the diameter of metallic reflection plate for axis respectively specular be arranged on the both sides of this axis, and the half-wave dipole linear array of each parallel double conducting wire excitation is vertical with axis arranges.
The half-wave dipole linear array of each described parallel double conducting wire excitation comprises the half-wave dipole of some equidistant spread configurations, arranges the gap of certain distance between each described half-wave dipole and metallic reflection plate.
The quantity of set half-wave dipole is determined by the size of axis to the vertical range of the edge of metallic reflection plate.
Described each half-wave dipole comprises metal half-wave dipole and lower metal half-wave dipole.
Described balance conversion feed layer comprises some balances conversion feed structure, and the half-wave dipole linear array that each balance conversion feed structure encourages with corresponding parallel double conducting wire is respectively connected.
Described balance conversion feed structure comprises: the parallel double conducting wire with upper conductor and lower wire, the upper metal half-wave dipole of each half-wave dipole in the half-wave dipole linear array that upper conductor and the corresponding parallel double conducting wire of this parallel double conducting wire encourage is connected, and the lower metal half-wave dipole of each half-wave dipole in the half-wave dipole linear array that lower wire and the corresponding parallel double conducting wire of this parallel double conducting wire encourage is connected; Microstrip line, its one end is connected with described parallel double conducting wire; Coaxial configuration, it is arranged with described microstrip line is mutually vertical; One end of this coaxial configuration is connected with the other end of described microstrip line, and the other end of this coaxial configuration passes vertically through the edge of described metallic reflection plate.
Described pulse transmission network network layers comprises: power synthesis network ducting layer, it is positioned on the lower surface of described metallic reflection plate, and arrange around the edge of this metallic reflection plate, this power synthesis network ducting layer balances with each respectively changes that feed structure is corresponding to be connected; Sum-difference network layer, its superposition is arranged on the below of described power synthesis network ducting layer, and arranges around the edge of this metallic reflection plate, and this sum-difference network layer is connected with described power synthesis network ducting layer.
Described power synthesis network ducting layer comprises some waveguides be arranged in parallel successively, and the other end that every root waveguide changes the coaxial configuration of feed structure with corresponding balance is respectively connected.
In sum, Monopulse Antenna provided by the present invention, radiating curtain layer adopts parallel double conducting wire feeding classification, and structure is simple, is easy to processing batch and produces; Balance conversion feed layer adopts micro-band to turn parallel double conducting wire feeding classification, can be total to dielectric layer with radiating curtain layer, realizes impedance transformation and unit feeding unbalance and balance and changes; Pulse transmission network network layers adopts waveguiding structure, can reduce loss, improves antenna efficiency.Therefore, Monopulse Antenna provided by the present invention has that efficiency is high, bandwidth, the characteristics such as operating distance is far away, possess rationally distributed ingenious simultaneously, difficulty of processing is little, is beneficial to welding, is easy to the advantage produced in batches, spatially aerial array compound, compatible demand can be met, there is very strong practicality and application prospect.
Accompanying drawing explanation
Fig. 1 is the Monopulse Antenna structural representation in the present invention;
Fig. 2 is the structural representation of the radiating curtain layer in the present invention;
Fig. 3 is the structural representation of the balance conversion feed structure in the present invention;
Fig. 4 is the structural representation of the binary half-wave dipole linear array that the parallel double conducting wire in the present invention encourages;
Fig. 5 is the structural representation of the ternary half-wave dipole linear array that the parallel double conducting wire in the present invention encourages;
Fig. 6 is the structural representation of the quaternary half-wave dipole linear array that the parallel double conducting wire in the present invention encourages;
Fig. 7 is the back structures schematic diagram of the Monopulse Antenna in the present invention;
Fig. 8 is the structural representation of the power synthesis network ducting layer in the present invention.
Embodiment
Below in conjunction with Fig. 1 ~ Fig. 8, describe a preferred embodiment of the present invention in detail.
As shown in Figure 1, be Monopulse Antenna provided by the invention, comprise: metallic reflection plate 4, it is rounded; Radiating curtain layer 1, it is arranged on the top of described metallic reflection plate 4, and and leave gap between this metallic reflection plate; Balance conversion feed layer, it is connected with described radiating curtain layer 1, is arranged on the top of described metallic reflection plate 4, and is positioned at same dielectric layer with this radiating curtain layer 1; Pulse transmission network network layers 3, itself and described balance are changed feed layer and are connected, and are arranged on the below of described metallic reflection plate 4.
As shown in Figure 2, described radiating curtain layer 1 comprises two group pattern assemblies, and every group pattern assembly comprises some being parallel to each other and the half-wave dipole linear array of the parallel double conducting wire arranged at certain intervals excitation, using as array elements; The half-wave dipole linear array of the some parallel double conducting wires excitation in two group pattern assemblies with the diameter of metallic reflection plate 4 for axis 16 respectively specular be arranged on the both sides of this axis 16, and the half-wave dipole linear array of each parallel double conducting wire excitation is vertical with axis 16 arranges.
The half-wave dipole linear array of each described parallel double conducting wire excitation comprises the half-wave dipole of some equidistant spread configurations, the gap of certain distance is set between each described half-wave dipole and metallic reflection plate 4, makes each half-wave dipole can obtain the maximal efficiency of one-way radiation; The quantity of set half-wave dipole is determined by the size of the vertical range of the edge of axis 16 to metallic reflection plate 4; That is, according to the size of the vertical range of the edge of axis 16 to metallic reflection plate 4, as much as possible half-wave dipole is set.
As shown in Fig. 4 ~ Fig. 6, described each half-wave dipole comprises metal half-wave dipole 11 and lower metal half-wave dipole 12.
In the present embodiment, as depicted in figs. 1 and 2, every group pattern assembly is parallel to each other by 8 and the half-wave dipole linear array of the parallel double conducting wire arranged at certain intervals excitation is formed, and therefore described Monopulse Antenna comprises the half-wave dipole linear array of 16 parallel double conducting wire excitations altogether.
And in every group pattern assembly, the center position being positioned at this array component arranges the quaternary half-wave dipole linear array 15 of two parallel double conducting wire excitations, that is, because the vertical range of the edge of this axis, position 16 to metallic reflection plate 4 is larger, substantially close to the radius value of metallic reflection plate 4, therefore the quaternary half-wave dipole linear array 15 of each parallel double conducting wire excitation comprises 4 half-wave dipoles, and each half-wave dipole is equidistantly spaced; And the outside of quaternary half-wave dipole linear array 15 in this two parallel double conducting wires excitation, the ternary half-wave dipole linear array 14 of two (totally four) parallel double conducting wire excitations is set respectively again, because the vertical range of the edge of this axis, position 16 to metallic reflection plate 4 is slightly little, therefore the ternary half-wave dipole linear array 14 of each parallel double conducting wire excitation comprises 3 half-wave dipoles, and each half-wave dipole is equidistantly spaced; Finally, in the outside of the quaternary half-wave dipole linear array 15 that two parallel double conducting wires being in outside encourage, the binary half-wave dipole linear array 13 of (totally two) parallel double conducting wire excitation is set respectively again, because the vertical range of the edge of this axis, position 16 to metallic reflection plate 4 is less, therefore the binary half-wave dipole linear array 13 of each parallel double conducting wire excitation comprises 2 half-wave dipoles, and each half-wave dipole is equidistantly spaced.Comprehensively above-mentioned, in the present embodiment, half-wave dipole add up to 48.
And, in this embodiment, the ternary half-wave dipole linear array 14 of the quaternary half-wave dipole linear array 15 that the parallel double conducting wire being arranged in two group pattern assemblies of both sides, axis 16 encourages, parallel double conducting wire excitation and the binary half-wave dipole linear array 13 of parallel double conducting wire excitation are all arranged with axis 16 specular.
As shown in Fig. 1 ~ Fig. 2, described balance conversion feed layer comprises some balances conversion feed structure 2, and the half-wave dipole linear array that each balance conversion feed structure 2 encourages with corresponding parallel double conducting wire is respectively connected; As shown in Figure 3, this balance conversion feed structure comprises: the parallel double conducting wire 22 with upper conductor and lower wire, the upper metal half-wave dipole 11 of each half-wave dipole in the half-wave dipole linear array that upper conductor and the corresponding parallel double conducting wire of this parallel double conducting wire 22 encourage is connected, and the lower metal half-wave dipole 12 of each half-wave dipole in the half-wave dipole linear array that lower wire and the corresponding parallel double conducting wire of this parallel double conducting wire 22 encourage is connected; Herein, in order to realize the radiating phase homophase of each array elements of array antenna, so necessarily upper metal half-wave dipole 11 can not be connected lower wire, lower metal half-wave dipole 12 connects upper conductor; Microstrip line 21, its one end is connected with described parallel double conducting wire 22, realizes impedance transformation and unit feeding unbalance and balance and changes; Coaxial configuration 23, it is arranged with described microstrip line 21 is mutually vertical; One end of this coaxial configuration 23 is connected with the other end of described microstrip line 21, and the other end of this coaxial configuration 23 passes vertically through the edge of described metallic reflection plate 4.
As shown in Fig. 4 ~ Fig. 6, be respectively the quaternary half-wave dipole linear array 15 of the parallel double conducting wire excitation in the present embodiment, the ternary half-wave dipole linear array 14 of parallel double conducting wire excitation and the binary half-wave dipole linear array 13 that encourages of parallel double conducting wire and self-correspondingly balance the schematic diagram changed feed structure 2 and be connected with each.Wherein, no matter be provided with how many half-wave dipoles in the half-wave dipole linear array of this parallel double conducting wire excitation, the upper metal half-wave dipole 11 of each half-wave dipole is connected with the upper conductor of parallel double conducting wire 22, and lower metal half-wave dipole 12 is all be connected with the lower wire of parallel double conducting wire 22.And parallel double conducting wire 22 is connected with microstrip line 21 again, realizes impedance transformation and unit feeding unbalance and balance and change.
Due in the present embodiment, Monopulse Antenna comprises the half-wave dipole linear array of 16 parallel double conducting wires excitation altogether, is therefore provided with 16 balance conversion feed structures 2 accordingly, correspondingly with the half-wave dipole linear array that each parallel double conducting wire encourages respectively connects.
As shown in Figure 7, be the back structures schematic diagram of the Monopulse Antenna in the present invention, it is by after Monopulse Antenna upset, makes it carry on the back supine schematic diagram; And namely described pulse transmission network network layers 3 is arranged on the back of Monopulse Antenna, comprise: power synthesis network ducting layer 34, it is positioned on the lower surface of described metallic reflection plate 4, and arrange around the edge of this metallic reflection plate 4, this power synthesis network ducting layer 34 balances with each respectively changes that feed structure 2 is corresponding to be connected; Sum-difference network layer 35, its superposition is arranged on the below of described power synthesis network ducting layer 34, and arranges around the edge of this metallic reflection plate 4, and this sum-difference network layer 35 is connected with described power synthesis network ducting layer 34.
As shown in Figure 8, described power synthesis network ducting layer 34 comprises some waveguides 341 be arranged in parallel successively, and the coaxial configuration 23 of feed structure 2 is changed in the every root waveguide 341 respectively other end with corresponding balance is connected.In the present embodiment, power synthesis network ducting layer 34 comprises 16 waveguides be arranged in parallel 341 altogether, and every root waveguide 341 is connected respectively the other end of coaxial configuration 23.
As shown in Figure 7, described Monopulse Antenna also comprises three antenna output interfaces, is respectively and mouth 32 and two poor mouths 31 and 33.
In Monopulse Antenna provided by the present invention, the half-wave dipole linear array of each root parallel double conducting wire excitation is in the edge (namely the circumferential edges place of metallic reflection plate) close to whole antenna aperture, by the Ba Lun feed bent angle of 90 degree, utilize coaxial configuration to pass metallic reflection plate, the signal received is fed in the power synthesis network ducting layer be made up of parallel waveguide and is encouraged; Owing to leaving the gap of certain distance between the half-wave dipole in the half-wave dipole linear array of each root parallel double conducting wire excitation and metallic reflection plate, therefore it can obtain the maximal efficiency of one-way radiation.Described power synthesis network ducting layer carries out power weightings synthesis to every root waveguide, in the layer of feed-in sum-difference network afterwards, is realized and poor, gun parallax and trim three road signal by this sum-difference network floor, thus formation monopulse systems.Every root waveguide of described power synthesis network ducting layer is by the corresponding coaxial configuration connected, by signal feed-in microstrip line, microstrip line is adopted to turn the grading structure of parallel double conducting wire, realize the conversion of impedance transformation and unit feeding unbalance and balance, then by the half-wave dipole in the every root half-wave dipole linear array connected corresponding to parallel double conducting wire, signal amplitude is shot out.
In sum, Monopulse Antenna provided by the present invention, radiating curtain layer adopts parallel double conducting wire feeding classification, and structure is simple, is easy to processing batch and produces; Balance conversion feed layer adopts micro-band to turn parallel double conducting wire feeding classification, can be total to dielectric layer with radiating curtain layer, realizes impedance transformation and unit feeding unbalance and balance and changes; Pulse transmission network network layers adopts waveguiding structure, can reduce loss, improves antenna efficiency.Therefore, Monopulse Antenna provided by the present invention has that efficiency is high, bandwidth, the characteristics such as operating distance is far away, possess rationally distributed ingenious simultaneously, difficulty of processing is little, is beneficial to welding, is easy to the advantage produced in batches, spatially aerial array compound, compatible demand can be met, there is very strong practicality and application prospect.
Although content of the present invention has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (9)
1. a Monopulse Antenna, is characterized in that, comprises:
Metallic reflection plate (4), it is rounded;
Radiating curtain layer (1), it is arranged on the top of described metallic reflection plate (4), and and leave gap between this metallic reflection plate;
Balance conversion feed layer, it is connected with described radiating curtain layer (1), is arranged on the top of described metallic reflection plate (4), and is positioned at same dielectric layer with this radiating curtain layer (1);
Pulse transmission network network layers (3), itself and described balance are changed feed layer and are connected, and are arranged on the below of described metallic reflection plate (4).
2. Monopulse Antenna as claimed in claim 1, it is characterized in that, described radiating curtain layer (1) comprises two group pattern assemblies, and every group pattern assembly comprises some being parallel to each other and the half-wave dipole linear array of the parallel double conducting wire arranged at certain intervals excitation;
The half-wave dipole linear array of the some parallel double conducting wires excitation in two group pattern assemblies with the diameter of metallic reflection plate (4) be axis (16) respectively specular be arranged on the both sides of this axis (16), and the half-wave dipole linear array of each parallel double conducting wire excitation is vertical with axis (16) arranges.
3. Monopulse Antenna as claimed in claim 2, it is characterized in that, the half-wave dipole linear array of each described parallel double conducting wire excitation comprises the half-wave dipole of some equidistant spread configurations, arranges the gap of certain distance between each described half-wave dipole and metallic reflection plate (4).
4. Monopulse Antenna as claimed in claim 3, it is characterized in that, the quantity of set half-wave dipole is determined by axis (16) size to the vertical range of the edge of metallic reflection plate (4).
5. the Monopulse Antenna as described in claim 3 or 4, is characterized in that, described each half-wave dipole comprises metal half-wave dipole (11) and lower metal half-wave dipole (12).
6. Monopulse Antenna as claimed in claim 5, it is characterized in that, described balance conversion feed layer comprises some balances conversion feed structure (2), and the half-wave dipole linear array that each balance conversion feed structure (2) is encouraged with corresponding parallel double conducting wire is respectively connected.
7. Monopulse Antenna as claimed in claim 6, is characterized in that, described balance conversion feed structure comprises:
There is the parallel double conducting wire (22) of upper conductor and lower wire, the upper metal half-wave dipole (11) of each half-wave dipole in the half-wave dipole linear array that upper conductor and the corresponding parallel double conducting wire of this parallel double conducting wire (22) encourage is connected, and the lower metal half-wave dipole (12) of each half-wave dipole in the half-wave dipole linear array that lower wire and the corresponding parallel double conducting wire of this parallel double conducting wire (22) encourage is connected;
Microstrip line (21), its one end is connected with described parallel double conducting wire (22);
Coaxial configuration (23), it is arranged with described microstrip line (21) is mutually vertical; One end of this coaxial configuration (23) is connected with the other end of described microstrip line (21), and the other end of this coaxial configuration (23) passes vertically through the edge of described metallic reflection plate (4).
8. Monopulse Antenna as claimed in claim 7, it is characterized in that, described pulse transmission network network layers (3) comprises:
Power synthesis network ducting layer (34), it is positioned on the lower surface of described metallic reflection plate (4), and arrange around the edge of this metallic reflection plate (4), this power synthesis network ducting layer (34) balances with each respectively changes that feed structure (2) is corresponding to be connected;
Sum-difference network layer (35), its superposition is arranged on the below of described power synthesis network ducting layer (34), and arranges around the edge of this metallic reflection plate (4), and this sum-difference network layer (35) is connected with described power synthesis network ducting layer (34).
9. Monopulse Antenna as claimed in claim 8, it is characterized in that, described power synthesis network ducting layer (34) comprises some waveguides (341) be arranged in parallel successively, and every root waveguide (341) changes the coaxial configuration (23) of feed structure (2) the respectively other end with corresponding balance is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410666404.4A CN104393406B (en) | 2014-11-20 | 2014-11-20 | A kind of Monopulse Antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410666404.4A CN104393406B (en) | 2014-11-20 | 2014-11-20 | A kind of Monopulse Antenna |
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| Publication Number | Publication Date |
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| CN104393406A true CN104393406A (en) | 2015-03-04 |
| CN104393406B CN104393406B (en) | 2017-07-14 |
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| CN201410666404.4A Expired - Fee Related CN104393406B (en) | 2014-11-20 | 2014-11-20 | A kind of Monopulse Antenna |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058475A (en) * | 2016-05-24 | 2016-10-26 | 中国电子科技集团公司第三十八研究所 | Waveguide micro-strip common-caliber antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3587110A (en) * | 1969-07-01 | 1971-06-22 | Rca Corp | Corporate-network printed antenna system |
| EP0889543A1 (en) * | 1997-06-30 | 1999-01-07 | Sony International (Europe) GmbH | Wide band printed dipole antenna for microwave and mm-wave applications |
| GB2463711B (en) * | 1987-03-31 | 2010-09-29 | Dassault Electronique | Double polarization flat array antenna |
| CN102394379A (en) * | 2011-06-21 | 2012-03-28 | 中国兵器工业第二○六研究所 | Dual-band co-aperture flat array antenna |
-
2014
- 2014-11-20 CN CN201410666404.4A patent/CN104393406B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3587110A (en) * | 1969-07-01 | 1971-06-22 | Rca Corp | Corporate-network printed antenna system |
| GB2463711B (en) * | 1987-03-31 | 2010-09-29 | Dassault Electronique | Double polarization flat array antenna |
| EP0889543A1 (en) * | 1997-06-30 | 1999-01-07 | Sony International (Europe) GmbH | Wide band printed dipole antenna for microwave and mm-wave applications |
| CN102394379A (en) * | 2011-06-21 | 2012-03-28 | 中国兵器工业第二○六研究所 | Dual-band co-aperture flat array antenna |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058475A (en) * | 2016-05-24 | 2016-10-26 | 中国电子科技集团公司第三十八研究所 | Waveguide micro-strip common-caliber antenna |
| CN106058475B (en) * | 2016-05-24 | 2019-03-19 | 中国电子科技集团公司第三十八研究所 | A kind of Waveguide-microbelt common reflector |
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| CN104393406B (en) | 2017-07-14 |
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