CN204441485U - A kind of plane slot array antenna merit divides feeding network - Google Patents
A kind of plane slot array antenna merit divides feeding network Download PDFInfo
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- CN204441485U CN204441485U CN201520042681.8U CN201520042681U CN204441485U CN 204441485 U CN204441485 U CN 204441485U CN 201520042681 U CN201520042681 U CN 201520042681U CN 204441485 U CN204441485 U CN 204441485U
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Abstract
The utility model discloses a kind of plane slot array antenna merit and divide feeding network, it comprises an electric bridge, a left port network and a right output port network, described left port network comprises two couplers, four merit subassemblies and a power splitter, described merit subassembly is made up of multiple power splitter, the input of the first coupler is connected with electric bridge, the trunk end of the first coupler is connected with power splitter, two merits of the first power splitter divide port to be connected with the first merit subassembly and the second merit subassembly respectively, the coupled end of the first coupler is connected with the second coupler, the trunk end of the second coupler is connected with the 3rd merit subassembly, the coupled end of the second coupler is connected with the 4th merit subassembly.The utility model intermediate input port adopts a three decibels electric bridge to be the equal power in left and right by power division, to feed the right and left, and form whole complete merit and divide feeding network, have that loss is little, power capacity is high, stable performance, the advantage such as compact simple for structure.
Description
Technical field
The utility model relates to a kind of plane slot array antenna merit and divides feeding network.
Background technology
Continuous wave low-altitude detection radar is the important means of low latitude, extreme low-altitude detection, high receive-transmit isolation antenna design techniques can solve effectively under continuous wave system, reduce transmit leakage to receiving sensitivity and dynamic impact, ensure continuous wave radar detection range, because of but continuous wave radar realizes the key of remote probe.
Similar to the present invention is Russian 76N6 radar, what it adopted is parabolic reflector surface antenna, its technological deficiency is Heavy Weight, volume is large, antenna aperture width Entropy density deviation is wayward, can not neatly to shaped beam, and thus the spatial domain coverage of radar is subject to a definite limitation, because reflector antenna is that feed concentrates transmitting and receiving, the isolation that will reach-100dB near field dual-mode antenna is very difficult
If effectively can not solve the isolating problem of dual-mode antenna, under the high-power signal effect of launching, receiver just cannot normal received signal, also just cannot continue to follow the tracks of target.Transceiver insulation is bad, gently then reduces the sensibility in practice of receiver, reduces operating distance, heavy then cause the saturation of receiver, cannot tracking target.
Because Wa-veguide Slot-Array Antennas has compact conformation, lightweight, volume is little, the advantages such as antenna opening diametric plane utilance height and Aperture distribution easily control, according to the spatial domain coverage requirement of radar to the flexible figuration of lobe, can adopt the planar array antenna of figuration, the edge amplitude of array element is lower, can realize antenna low pair of lobe, be of value to again the raising of the isolation of dual-mode antenna, thus Waveguide slot antenna plane antenna becomes first-selected.
And the merit that one of them part and parcel of plane slot array antenna is exactly it divides feeding network.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of plane slot array antenna merit to divide feeding network, have that loss is little, power capacity is high, stable performance, compact feature simple for structure.
The purpose of this utility model is achieved through the following technical solutions: a kind of plane slot array antenna merit divides feeding network, it comprises an electric bridge, a left port network and a right output port network, described left port network and right output port network configuration symmetry, described electric bridge by identical power division to left port network and right output port network, described left port network comprises two couplers, four merit subassemblies and a power splitter, described merit subassembly is made up of multiple power splitter, the input of the first coupler is connected with electric bridge, the trunk end of the first coupler is connected with power splitter, two merits of the first power splitter divide port to be connected with the first merit subassembly and the second merit subassembly respectively, the coupled end of the first coupler is connected with the second coupler, the trunk end of the second coupler is connected with the 3rd merit subassembly, the coupled end of the second coupler is connected with the 4th merit subassembly.
The 4th described merit subassembly, second merit subassembly is identical with the 3rd merit subassembly structure, comprise 11 power splitters, 11 described power splitters are by a first rank power splitter, a second-order power splitter, three the 3rd rank power splitters and six quadravalence power splitter compositions, the merit of the first described rank power splitter divides port to be connected with second-order power splitter and one of them the 3rd rank power splitter respectively, two merits of described second-order power splitter divide port to be connected with two other the 3rd rank power splitter, six merits of three described the 3rd rank power splitters divide port to be connected with six quadravalence power splitters respectively, 12 merits of six described quadravalence power splitters divide port for exporting.
The first described merit subassembly comprises seven power splitters, seven described power splitters are made up of a first order power splitter, two second level power splitters and four third level power splitters, the merit of described first order power splitter divides port to be connected with two second level power splitters respectively, four merits of two described second level power splitters divide port to be connected with four third level power splitters respectively, and eight merits of four described third level power splitters divide port for exporting.
Described electric bridge is waveguide bridge.
Described electric bridge is three decibels electric bridge.
Described coupler and power splitter are the transmission line form of air three printed line.
Plane slot array antenna merit divides the feeding network cover plate that it also comprises a cavity and coordinates with cavity, and described left port network and right output port network settings are in cavity.
The beneficial effects of the utility model are: (1) the utility model merit divides feeding network to be that one 1 point 88 tunnel power division do not wait power division network, network adopts bilateral symmetry, the structure of 1 to No. 44 ports in the left side only need be designed during design, No. 45 to No. 88 ports in the right can adopt the identical version with the left side, intermediate input port adopts a three decibels electric bridge to be the equal power in left and right by power division, to feed the right and left, and form whole complete merit and divide feeding network; (2) electric bridge adopts waveguide bridge form, meets the requirement of high power transmission, and is inserted in power division network, itself and system integrating are integrated; (3) coupler and power splitter adopt the transmission line form of air three printed line, and have loss little, power capacity is high, stable performance, compact feature simple for structure.
Accompanying drawing explanation
Fig. 1 is the utility model electric bridge and left port network diagram.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail, but protection range of the present utility model is not limited to the following stated.
As shown in Figure 1, a kind of plane slot array antenna merit divides feeding network, it comprises an electric bridge, a left port network and a right output port network, described left port network and right output port network configuration symmetry, described electric bridge by identical power division to left port network and right output port network, described left port network comprises two couplers, four merit subassemblies and a power splitter, described merit subassembly is made up of multiple power splitter, the input of the first coupler is connected with electric bridge, the trunk end of the first coupler is connected with power splitter, two merits of the first power splitter divide port to be connected with the first merit subassembly and the second merit subassembly respectively, the coupled end of the first coupler is connected with the second coupler, the trunk end of the second coupler is connected with the 3rd merit subassembly, the coupled end of the second coupler is connected with the 4th merit subassembly.
The 4th described merit subassembly, second merit subassembly is identical with the 3rd merit subassembly structure, comprise 11 power splitters, 11 described power splitters are by a first rank power splitter, a second-order power splitter, three the 3rd rank power splitters and six quadravalence power splitter compositions, the merit of the first described rank power splitter divides port to be connected with second-order power splitter and one of them the 3rd rank power splitter respectively, two merits of described second-order power splitter divide port to be connected with two other the 3rd rank power splitter, six merits of three described the 3rd rank power splitters divide port to be connected with six quadravalence power splitters respectively, 12 merits of six described quadravalence power splitters divide port for exporting.
The first described merit subassembly comprises seven power splitters, seven described power splitters are made up of a first order power splitter, two second level power splitters and four third level power splitters, the merit of described first order power splitter divides port to be connected with two second level power splitters respectively, four merits of two described second level power splitters divide port to be connected with four third level power splitters respectively, and eight merits of four described third level power splitters divide port for exporting.
Described electric bridge is waveguide bridge.
Described electric bridge is three decibels electric bridge.
Described coupler and power splitter are the transmission line form of air three printed line.Described electric bridge is three decibels electric bridge.
The cover plate that plane slot array antenna merit divides feeding network also to comprise a cavity and coordinate with cavity, described left port network and right output port network settings are in cavity.
Claims (7)
1. a plane slot array antenna merit divides feeding network, it is characterized in that: it comprises an electric bridge, a left port network and a right output port network, described left port network and right output port network configuration symmetry, described electric bridge by power division to left port network and right output port network, described left port network comprises two couplers, four merit subassemblies and a power splitter, described merit subassembly is made up of multiple power splitter, the input of the first coupler is connected with electric bridge, the trunk end of the first coupler is connected with power splitter, two merits of the first power splitter divide port to be connected with the first merit subassembly and the second merit subassembly respectively, the coupled end of the first coupler is connected with the second coupler, the trunk end of the second coupler is connected with the 3rd merit subassembly, the coupled end of the second coupler is connected with the 4th merit subassembly.
2. a kind of plane slot array antenna merit according to claim 1 divides feeding network, it is characterized in that: the 4th described merit subassembly, second merit subassembly is identical with the 3rd merit subassembly structure, comprise 11 power splitters, 11 described power splitters are by a first rank power splitter, a second-order power splitter, three the 3rd rank power splitters and six quadravalence power splitter compositions, the merit of the first described rank power splitter divides port to be connected with second-order power splitter and one of them the 3rd rank power splitter respectively, two merits of described second-order power splitter divide port to be connected with two other the 3rd rank power splitter, six merits of three described the 3rd rank power splitters divide port to be connected with six quadravalence power splitters respectively, 12 merits of six described quadravalence power splitters divide port for exporting.
3. a kind of plane slot array antenna merit according to claim 2 divides feeding network, it is characterized in that: the first described merit subassembly comprises seven power splitters, seven described power splitters are made up of a first order power splitter, two second level power splitters and four third level power splitters, the merit of described first order power splitter divides port to be connected with two second level power splitters respectively, four merits of two described second level power splitters divide port to be connected with four third level power splitters respectively, and eight merits of four described third level power splitters divide port for exporting.
4. a kind of plane slot array antenna merit according to claim 1 divides feeding network, it is characterized in that: described electric bridge is waveguide bridge.
5. a kind of plane slot array antenna merit according to claim 1 divides feeding network, it is characterized in that: described electric bridge is three decibels electric bridge.
6. a kind of plane slot array antenna merit according to claim 3 divides feeding network, it is characterized in that: described coupler and power splitter are the transmission line form of air three printed line.
7. a kind of plane slot array antenna merit according to claim 1 divides feeding network, and it is characterized in that: the cover plate that it also comprises a cavity and coordinates with cavity, described left port network and right output port network settings are in cavity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520042681.8U CN204441485U (en) | 2015-01-22 | 2015-01-22 | A kind of plane slot array antenna merit divides feeding network |
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| CN201520042681.8U CN204441485U (en) | 2015-01-22 | 2015-01-22 | A kind of plane slot array antenna merit divides feeding network |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207463A (en) * | 2016-08-31 | 2016-12-07 | 武汉虹信通信技术有限责任公司 | A kind of Integral type small-sized feeding network of smart antenna |
| CN107884753A (en) * | 2017-10-20 | 2018-04-06 | 西安空间无线电技术研究所 | A kind of Ka band antennas phase calibration experimental rig |
-
2015
- 2015-01-22 CN CN201520042681.8U patent/CN204441485U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207463A (en) * | 2016-08-31 | 2016-12-07 | 武汉虹信通信技术有限责任公司 | A kind of Integral type small-sized feeding network of smart antenna |
| CN107884753A (en) * | 2017-10-20 | 2018-04-06 | 西安空间无线电技术研究所 | A kind of Ka band antennas phase calibration experimental rig |
| CN107884753B (en) * | 2017-10-20 | 2019-08-02 | 西安空间无线电技术研究所 | A kind of Ka band antenna phase calibration experimental rig |
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