CN2729931Y - Phase scanning fixed multi-beam module - Google Patents
Phase scanning fixed multi-beam module Download PDFInfo
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- CN2729931Y CN2729931Y CN 200420089209 CN200420089209U CN2729931Y CN 2729931 Y CN2729931 Y CN 2729931Y CN 200420089209 CN200420089209 CN 200420089209 CN 200420089209 U CN200420089209 U CN 200420089209U CN 2729931 Y CN2729931 Y CN 2729931Y
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Abstract
The utility model discloses a phase scanning fixed multi-beam module, comprising a waveguide crack array element, a microstrip phase-shift circuit and an adding network. The waveguide crack array element is used for receiving a satellite signal; the microstrip phase-shift circuit is used for forming fixed multi-beam, so as to accomplish the phase control and decrease a side lobe, and the satellite signal with multi-beam can be transmitted to the adding network. The adding network is used for adding the satellite signal with multi-beam to form a wide beam; consequently, the coverage area of the pitching surface can be increased. After the utility model is used, compared with the unfixed phase scanning multi-beam module, the utility model can conspicuously decrease the cost of the satellite receiving antenna.
Description
Technical field
The utility model relates to phased-array technique, particularly a kind of fixed beam module of sweeping mutually.
Background technology
In satellite-signal received, satellite earth antenna commonly used at present mainly comprised parabolic antenna, horn antenna and plate aerial, and wherein parabolic antenna comprises offset-fed antenna, Cassegrain antenna, Pascal Greggory antenna again.Along with the continuous development of user's request, the demand of receiving satellite signal in the middle of moving has appearred, and promptly the dynamic satellite signal receives.Generally, the object in the middle of moving generally needs the satellite earth antenna highly low, that volume is little, thereby can finely coincide with the carrier profile the strictness of requirement of the volume and the height of satellite earth antenna.For example: the utilized space of the vehicles such as the train in moving, automobile is just very limited, therefore can't place height and the bigger satellite earth antenna of volume usually.Yet, is the volume of parabolic antenna, horn antenna or plate aerial and highly all bigger at present, can't adapt in the reception of dynamic satellite signal strict demand to antenna height and volume.
Phased array antenna is widely used in the middle of the military affairs at present, and it is a kind ofly to line up the directional antenna of array format by many radiating elements, and the emittance between each radiating element and phase relation can be controlled.Typical phased array antenna is to utilize electronic computer control phase shifter, to realize that by the PHASE DISTRIBUTION that changes on the antenna aperature wave beam is at spacescan.Compare with satellite earth antennas commonly used such as parabolic antennas, the volume of phased array antenna is little, highly low, but because the phased array antenna structure complexity, cost is very expensive, can not obtain to use widely in the dynamic satellite signal receives.
To move central receiving satellite signal in order being implemented in, and to reduce the cost of satellite earth antenna, can adopt and mix the phase array satellite earth antenna.Mix the phase array satellite earth antenna and on the azimuth, adopt mechanical scanning, and utilize various reference signals to finish the scanning search of satellite-signal and catch; On the angle of pitch, adopt and sweep mutually, to cover the satellite-signal in the angle of pitch scope.Yet, owing to mix phased array antenna and be by the control radiating element and realize that in the wave beam phase place of pitching face antenna beam spends scanning in the 70 degree scopes at pitching face 0, if the width of wave beam is unfixing, then since 0 spend to 70 the degree scanning angles excessive, thereby make that the width of wave beam is very wide, and then make that the gain of antenna is just more little.In order to guarantee the gain of satellite earth antenna, need to increase the number of radiating element, thereby still can increase the cost of satellite earth antenna.
The utility model content
In view of this, main purpose of the present utility model is to propose a kind of fixed beam module of sweeping mutually, to reduce the cost of satellite earth antenna.
For achieving the above object, the technical solution of the utility model is achieved in that
A kind of fixed beam module of sweeping mutually, this module comprise waveguide slotted array column unit, M little band phase-shift circuit and N summing network, and N is an even number, wherein:
Each row of waveguide slotted array column unit is used for receiving satellite signal, and the satellite-signal that each row is received sends to little band phase-shift circuit;
Little band phase-shift circuit is divided into N road satellite-signal with satellite-signal, and control the phase place of every road satellite-signal, make the n road satellite-signal homophase that n road satellite-signal that each little band phase-shift circuit is told and each the little band phase-shift circuit in other (M-1) individual little band phase-shift circuit are told, wherein n=(1,2......N), the n road satellite-signal of homophase all sends to same summing network in the individual little band phase-shift circuit of M;
Summing network is used for the satellite-signal of homophase is carried out addition, and forming the beamformer output of each summing network, and the beamformer output of N summing network forms fixed beam.
This module further comprises M LNA and M fine setting phase shifter that is used to compensate transmission delay of being used for amplifying signal, LNA is corresponding one by one with little band phase-shift circuit and fine setting phase shifter, the satellite-signal that each row of described waveguide slotted array column unit receives sends to little band phase-shift circuit and is: the satellite-signal that each row of waveguide slotted array column unit receives sends to LNA, LNA amplifies the satellite-signal that is sent with the corresponding row of this LNA of waveguide slotted array column unit, and the satellite-signal after will amplifying is input to the fine setting phase shifter corresponding with this LNA, the fine setting phase shifter compensates this satellite-signal and is transferred to the transmission delay of the LNA corresponding with this fine setting phase shifter from the waveguide slotted array column unit, and the satellite-signal after will compensating sends to and the corresponding little band phase-shift circuit of this fine setting phase shifter.
This module further comprises electronic switch, and the beamformer output of a described N summing network forms fixed beam and is: the satellite-signal of described N summing network output of electronic switch control output, and to form fixed beam.
Described N is 2.
The width of described fixed beam is 14 degree.
Described N is 4 or 6 or 8 or 10.
From above technical scheme as can be seen, the fixed beam module of sweeping mutually that the utility model proposed comprises waveguide crack planar array, little band phase-shift circuit and summing network.Waveguide crack planar array is used for receiving satellite signal; Little band phase-shift circuit is used to form fixed beam, finishes phase control, reduces secondary lobe, and the satellite-signal of multi-beam is sent to summing network; Summing network is used for the multi-beam satellite signal plus, with the formation broad beam, thus the coverage of increase pitching face.After using the utility model, by sweeping the fixed beam module mutually scanning angle is fixed, the pitching face of noting be used in 0 is spent the scanning in the 70 degree scopes, by pitching face is carried out the satellite-signal that subregion receives respective partition, thereby greatly few number of radiating element is so greatly reduced the cost of satellite earth antenna.
Description of drawings
Fig. 1 is the schematic diagram of sweeping the fixed beam module mutually of the utility model one embodiment.
Fig. 2 synthesizes schematic diagram for the fixed beam of sweeping mutually of the utility model one embodiment.
Embodiment
For making the purpose of this utility model, technical scheme and advantage express clearlyer, the utility model is further described in more detail below in conjunction with drawings and the specific embodiments.
Mixing phase array satellite earth antenna combines the technology of sweeping mutually of reflector antenna technology and phased array antenna.On the azimuth, adopt mechanical scanning, and utilize various reference signals to finish the scanning search of satellite-signal and catch; On the angle of pitch, adopt and sweep mutually, to cover the satellite-signal in the angle of pitch scope.Mix the phase array satellite earth antenna and on pitching face, can utilize and sweep the fixed beam module mutually and come receiving satellite signal, to reduce the cost of satellite earth antenna.
Fig. 1 is the schematic diagram of sweeping the fixed beam module mutually of an embodiment of the present utility model.As shown in Figure 1, this sweeps waveguide slotted array column unit 101 and beam-forming network that the fixed beam module comprises 16 row, 44 row mutually, and wherein beam-forming network comprises 103,16 little band phase-shift circuits 104 of 102,16 fine setting phase shifters of 16 LNA and 2 summing networks 105 again.LNA 102 is corresponding with fine setting phase shifter 103 and little band phase-shift circuit 104.Two summing networks 105 link to each other with an electronic switch 106 respectively.Waveguide slotted array column unit 101 is used for receiving satellite signal, and each line output satellite-signal of waveguide slotted array column unit 101, and the satellite-signal that 16 row of waveguide slotted array column unit 101 are exported is input to corresponding 16 LNA 102 respectively; LNA102 is used for corresponding satellite-signal is amplified, and each satellite-signal is input to the fine setting phase shifter 103 corresponding with this LNA; Fine setting phase shifter 103 is used to compensate satellite-signal is transferred to the LNA corresponding with this fine setting phase shifter from waveguide slotted array column unit 101 transmission delay; Little band phase-shift circuit 104 is used to form fixed beam, finish phase control, reduce secondary lobe, and the satellite-signal of multi-beam sent to summing network 105, in the present embodiment, each little band phase-shift circuit 104 is divided into 2 road satellite-signals with satellite-signal, and control the phase place of every road satellite-signal, make the n road satellite-signal homophase that each little band phase-shift circuit 104 in n road satellite-signal that each little band phase-shift circuit 104 is told and other 15 the little band phase-shift circuits 104 is told, n=(1 or 2) herein, the n road satellite-signal of the homophase in the individual little band phase-shift circuit 104 of M all sends to same summing network 105, promptly 16 little band phase-shift circuits 104 form signal psi 1-1 respectively, signal psi 1-2, signal psi 1-3... signal psi 1-16 and signal psi 2-1, signal psi 2-2, signal psi 2-3... signal psi 2-16, and signal psi 1-1, signal psi 1-2, the phase place of signal psi 1-3... signal psi 1-16 is identical and enter a summing network; The phase place of signal psi 2-1, signal psi 2-2, signal psi 2-3... signal psi 2-16 is identical and enter another summing network; Summing network 105 is used for the multi-beam satellite signal plus, with the formation broad beam, thus the coverage of increase pitching face; Electronic switch 107 is used to control two satellite-signals that summing network 106 is exported of output.After the satellite-signal of two wave beams all passes through electronic switch, just concentrate and output to LNB.Among the above embodiment, waveguide slotted array column unit 101 is 16 row, 44 row, and the line number of waveguide slotted array column unit 101 and columns can change.
Among Fig. 1, little band phase-shift circuit 104 is divided into two wave beams with satellite-signal.Alternatively, little band phase-shift circuit 104 also can produce even number wave beams such as four wave beams, six wave beams, eight wave beams, ten wave beams.At this moment, increase the number of summing network more accordingly.For example: if four wave beams then need four summing networks, if eight wave beams then need eight summing networks, can the rest may be inferred.
Based on the fixed beam module of sweeping mutually shown in Figure 1, Fig. 2 sweeps the synthetic schematic diagram of fixed beam mutually for the utility model one embodiment's.As shown in Figure 2, the normal angle of wave beam 1 is 20 degree, and wave beam is wide to be 7 degree; The normal angle of wave beam 2 is 26 degree, and wave beam is wide to be 7 degree, and after two wave beams synthesized, the composite wave beam width of generation was 14 degree.
Using the utility model can be several zones with angle of pitch scope division, then according to the applied concrete condition of satellite earth antenna, the scope of the angle of pitch of this satellite earth antenna is limited according to concrete zone.Thereby make under volume that guarantees satellite earth antenna and highly little situation, further reduce the number of radiating element in the slotted waveguide array antenna element 101, and then reduce cost further.With the be applied as example of prosperous promise satellite in China, satellite earth antenna is spent between 66 degree 35 in the angle of pitch excursion of moving between main each big city of China, consider that the angle of pitch that conventionally descends the bridge opening changes about 10 degree, then the excursion of the angle of pitch of satellite earth antenna should be spent between 76 degree 25, thereby the phased sweep limits of corresponding pitching face is spent between 65 degree 14.Therefore, can will be divided into several zones between 14 degree and 65 degree, according to the concrete zone of using of satellite earth antenna the angle of pitch of this satellite earth antenna is limited then, and the needed beamwidth of corresponding selection, thereby reduce the number of radiating element in the slotted waveguide array antenna element 101, therefore can further reduce cost.
The above is preferred embodiment of the present utility model only, is not to be used to limit protection range of the present utility model.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (6)
1, a kind of fixed beam module of sweeping mutually is characterized in that, this module comprises waveguide slotted array column unit, M little band phase-shift circuit and N summing network, and N is an even number, wherein:
Each row of waveguide slotted array column unit is used for receiving satellite signal, and the satellite-signal that each row is received sends to little band phase-shift circuit;
Little band phase-shift circuit is divided into N road satellite-signal with satellite-signal, and control the phase place of every road satellite-signal, make the n road satellite-signal homophase that n road satellite-signal that each little band phase-shift circuit is told and each the little band phase-shift circuit in other (M-1) individual little band phase-shift circuit are told, wherein n=(1,2......N), the n road satellite-signal of homophase all sends to same summing network in the individual little band phase-shift circuit of M;
Summing network is used for the satellite-signal of homophase is carried out addition, and forming the beamformer output of each summing network, and the beamformer output of N summing network forms fixed beam.
2, the fixed beam module of sweeping mutually according to claim 1, it is characterized in that, this module further comprises M LNA and M fine setting phase shifter that is used to compensate transmission delay of being used for amplifying signal, LNA is corresponding one by one with little band phase-shift circuit and fine setting phase shifter, the satellite-signal that each row of described waveguide slotted array column unit receives sends to little band phase-shift circuit and is: the satellite-signal that each row of waveguide slotted array column unit receives sends to LNA, LNA amplifies the satellite-signal that is sent with the corresponding row of this LNA of waveguide slotted array column unit, and the satellite-signal after will amplifying is input to the fine setting phase shifter corresponding with this LNA, the fine setting phase shifter compensates this satellite-signal and is transferred to the transmission delay of the LNA corresponding with this fine setting phase shifter from the waveguide slotted array column unit, and the satellite-signal after will compensating sends to and the corresponding little band phase-shift circuit of this fine setting phase shifter.
3, the fixed beam module of sweeping mutually according to claim 1, it is characterized in that, this module further comprises electronic switch, the beamformer output of a described N summing network forms fixed beam: the satellite-signal of described N summing network output of electronic switch control output, and to form fixed beam.
4, the fixed beam module of sweeping mutually according to claim 1 is characterized in that, described N is 2.
5, the fixed beam module of sweeping mutually according to claim 4 is characterized in that, the width of described fixed beam is 14 degree.
6, the fixed beam module of sweeping mutually according to claim 1 is characterized in that, described N is 4 or 6 or 8 or 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420089209 CN2729931Y (en) | 2004-08-27 | 2004-08-27 | Phase scanning fixed multi-beam module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420089209 CN2729931Y (en) | 2004-08-27 | 2004-08-27 | Phase scanning fixed multi-beam module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2729931Y true CN2729931Y (en) | 2005-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200420089209 Expired - Fee Related CN2729931Y (en) | 2004-08-27 | 2004-08-27 | Phase scanning fixed multi-beam module |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101325273B (en) * | 2008-07-18 | 2012-01-04 | 东南大学 | Multi-mode substrate integration waveguide beam shaping network |
| CN107534877A (en) * | 2015-04-28 | 2018-01-02 | 瑞典爱立信有限公司 | For controlling the apparatus and method of wave beam grid |
| CN109346842A (en) * | 2018-08-27 | 2019-02-15 | 京信通信系统（中国）有限公司 | The adjustable antenna of wave width |
-
2004
- 2004-08-27 CN CN 200420089209 patent/CN2729931Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101325273B (en) * | 2008-07-18 | 2012-01-04 | 东南大学 | Multi-mode substrate integration waveguide beam shaping network |
| CN107534877A (en) * | 2015-04-28 | 2018-01-02 | 瑞典爱立信有限公司 | For controlling the apparatus and method of wave beam grid |
| CN107534877B (en) * | 2015-04-28 | 2021-06-15 | 瑞典爱立信有限公司 | Apparatus and method for controlling beam grid |
| CN109346842A (en) * | 2018-08-27 | 2019-02-15 | 京信通信系统（中国）有限公司 | The adjustable antenna of wave width |
| CN109346842B (en) * | 2018-08-27 | 2020-07-28 | 京信通信技术(广州)有限公司 | Wave width adjustable antenna |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |