CN101707289A - Multiple-wave beam antenna - Google Patents
Multiple-wave beam antenna Download PDFInfo
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- CN101707289A CN101707289A CN200910237244A CN200910237244A CN101707289A CN 101707289 A CN101707289 A CN 101707289A CN 200910237244 A CN200910237244 A CN 200910237244A CN 200910237244 A CN200910237244 A CN 200910237244A CN 101707289 A CN101707289 A CN 101707289A
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- rood
- antenna array
- beam antenna
- graceful lens
- little band
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Abstract
The invention discloses a multiple-wave beam antenna which comprises a micro-strip Rotman lens, a micro-strip antenna array and a shielding layer, wherein the shielding layer is positioned between the micro-strip Rotman lens and the micro-strip antenna array, provided with a plurality of openings and used for conducting an electromagnetic wave between the micro-strip Rotman lens and the micro-strip antenna array by the shielding layer. The invention solves the problems of larger size and more complicated design of the multiple-wave beam antenna, thereby achieving the effects of compact structure and simple design.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of multi-beam antenna.
Background technology
The millimeter wave multi-beam antenna has a wide range of applications in communication system.Can be used for satellite communication system, the communication system of various aerospace vehicles, ambulatory transceiver equipment room, aerial or traffic above-ground control management system, radar or electronic warfare system, global positioning system (Global Position System abbreviates GPS as) system etc.
Antenna realizes that multi-beam mainly contains phased array antenna and multi-beam antenna dual mode.Phased array antenna implements very complicated owing to need a large amount of integrated phase shifters, power splitter or directional coupler.The graceful lens of rood are a kind of multiple beam forming networks, and have compact conformation, beam position is convenient to advantages such as control, bandwidth of operation broad.Yet along with the rising gradually of applying frequency, such as equipment such as millimetre-wave attenuator, radars, relevant technology can't be suitable for owing to various limitation in millimere-wave band.
A kind of multi-beam antenna is provided in correlation technique, this multi-beam antenna is the multi-beam antenna based on the graceful lens principle of rood of metal waveguide structure, its structure is divided into two parts, first is the graceful lens of the rood of metal waveguide structure, second portion is the radiating antenna battle array, and the direct cascade of these two parts constitutes multi-beam antenna.Multi-beam antenna structure in this scheme has been owing to used metal waveguide, produced inevitably that weight is big, production and processing is difficult, cost is high and problem such as volume is big in millimere-wave band.
Also having proposed a kind of new technical scheme in correlation technique, is to utilize substrate integration wave-guide to replace traditional metal waveguide to constitute graceful lens of rood and Waveguide slot antenna in this scheme.This scheme always has three parts and forms, the firstth, the graceful lens of the rood of substrate integrated wave guide structure, second portion is the substrate integration wave-guide phase-shift network, third part is the chip integrated waveguide slot antenna array, the wherein direct cascade of first and second portion, the direct cascade of second portion and third part.Though the weight that said structure has avoided the metal waveguide structure to produce is big, the problem that cost is high, but owing to need design substrate integration wave-guide phase-shift network, cause the complexity in the design, simultaneously, because the direct cascade of above-mentioned three parts makes that the multi-beam antenna overall volume is bigger, phase-shift network and radiating antenna battle array are in same plane and can cause harmful effect to the radiating antenna performance to a certain extent in addition.
Than problem big and the design more complicated, effective solution is not proposed as yet at present at multi-beam antenna volume in the correlation technique.
Summary of the invention
The problem of and design more complicated big at the multi-beam antenna volume and propose the present invention, for this reason, main purpose of the present invention is to provide a kind of multi-beam antenna, to address the above problem.
To achieve these goals, according to an aspect of the present invention, provide a kind of multi-beam antenna.
Multi-beam antenna according to the present invention comprises: the graceful lens of little band rood; Microstrip antenna array, screen, between graceful lens of little band rood and microstrip antenna array, screen has a plurality of openings, and wherein, graceful lens of little band rood and microstrip antenna array are by a plurality of opening conduction electro-magnetic wave.
Preferably, screen has preset thickness or predetermined rigidity to support graceful lens of little band rood and microstrip antenna array.
Preferably, the graceful lens of rood are made up of input port, input arc, output arc and output port.Wherein, input port is used for input signal, and input arc and output arc are used to make signal to produce phase-shift phase, and output port is used for output signal.
Preferably, screen also is used for ground connection.
Preferably, graceful lens of little band rood and microstrip antenna array are realized being of coupled connections by a plurality of openings on the screen.
Preferably, a plurality of openings be in the following shape one of at least: rectangle, bow tie or infundibulate.
Preferably, microstrip antenna array comprises the series feed microstrip line battle array of multiple row side by side, and wherein, each the row microstrip antenna array in the series feed microstrip line battle array of multiple row is corresponding one by one with the output port of the graceful lens of little band rood by a plurality of openings.
Preferably, microstrip antenna array has used weighting.
Preferably, use PCB technology pressing graceful lens of little band rood and microstrip antenna array to realize being of coupled connections of graceful lens of little band rood and microstrip antenna array.
Preferably, screen is a metal level.
Multi-beam antenna according to the present invention comprises: the graceful lens 1 of little band rood; Microstrip antenna array 4, screen 2, between graceful lens 1 of little band rood and microstrip antenna array 4, screen has a plurality of openings, is used for passing through conduction electro-magnetic wave between the screen 2 at graceful lens 1 of little band rood and microstrip antenna array 4.By the present invention, solved the multi-beam antenna volume than problem big and the design more complicated, and then reached the effect that makes multi-beam antenna compact conformation, simplicity of design.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the multi-beam antenna of the embodiment of the invention.
Embodiment
Function was both stated
Consider the big and design more complicated of multi-beam antenna volume, the embodiment of the invention provides a kind of multi-beam antenna, and this multi-beam antenna comprises: the graceful lens 1 of little band rood; Microstrip antenna array 4, screen 2, between graceful lens 1 of little band rood and microstrip antenna array 4, screen has a plurality of openings 3, is used for passing through conduction electro-magnetic wave between the screen 2 at graceful lens 1 of little band rood and microstrip antenna array 4.
In the present invention, utilize the graceful lens principle of rood, with the screen that has opening is ground, descends both sides to realize graceful lens of little band rood and microstrip antenna array in the mode of microstrip line respectively thereon, and graceful lens of little band rood and microstrip antenna array connect and compose multi-beam antenna by the opening on the screen.Preferably, its structure mainly contains three parts formation: first is the graceful lens of little band rood, and second portion is the screen that has opening, and third part is a microstrip antenna array, and wherein first and third part are of coupled connections by the opening of second portion.
In the present invention, preferably, the graceful lens of rood are made up of input port, input arc, output arc and output port.Signal enters the graceful lens of rood from each input port via the input arc, again by the output arc to each output port, and the phase-shift phase that produce to need.Rims of the lens is removed port section and is distributed with the coupling port.
In the present invention, preferably, screen all plays the effect of ground connection to up and down network of lenses and radiating antenna battle array, can adopt certain thickness simultaneously and the metal material of certain rigidity is arranged, to play the effect of supporting the entire antenna structure.
Preferably, the opening on the screen can be with realizing that such as rectangle, bow tie and funnel shaped structure the energy with the network of lenses output port is coupled to the effect of microstrip antenna array.
Preferably, upper strata radiating antenna battle array adopts side by side that the mode of the series feed microstrip line battle array of multiple row constitutes microstrip antenna array, and each row microstrip antenna array is corresponding one by one with the output port of the graceful lens of little band rood by the opening on the screen.Can be designed to the polarization of circular polarization or level, vertical line as required, and can utilize the method for weighting to reduce the secondary lobe of antenna pattern.
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Be described in detail below in conjunction with the implementation procedure of example the embodiment of the invention.
Embodiment
According to embodiments of the invention, provide a kind of multi-beam antenna.
Fig. 1 is the schematic diagram according to the multi-beam antenna of the embodiment of the invention.
As shown in Figure 1, this multi-beam antenna comprises: the graceful lens 1 of little band rood, screen 2 and microstrip antenna array 4.
Wherein, the graceful lens 1 of little band rood comprise input port 11, input arc 12, output arc 13, output port 14, coupling port 15.Have a plurality of openings 3 on the screen 2.Microstrip antenna array 4 and the graceful lens 1 of little band rood also have dielectric layer 5.
In this embodiment, the graceful lens 1 of little band rood are coupled to link to each other with microstrip antenna array 4 and constitute multi-beam antenna.The graceful lens 1 of this rood apply copper face by dielectric layer 5 and top metal thereof and constitute.From different input ports, form different phase difference distributed networks at output port, a plurality of openings 3 through screen 2 link to each other with microstrip antenna array again, constitute multi-beam antenna.A plurality of openings on the screen among the present invention have adopted funnel-shaped opening to improve the coupling of energy.Microstrip antenna array among the present invention has adopted little band series fed antenna battle array of 29 row Unit 21 side by side, and single-row microstrip antenna array has used Taylor's weighting to reduce the secondary lobe of directional diagram.
With the graceful lens principle of rood, realize multi-beam antenna with microstrip line construction.Its structure mainly contains three parts and constitutes: first is the graceful lens 1 of little band rood, and second portion is the screen 2 that has a plurality of openings, and third part is a microstrip antenna array 4, and wherein first and third part are of coupled connections by a plurality of openings of second portion.
The graceful lens 1 of rood adopt the form of microstrip line to realize, but method for designing still can be carried out with reference to the graceful lens design formula of rood.Input signal enters the graceful lens 1 of rood from each input port 11 by the microstrip line that is connected with input arc 12, again by output arc 13 to each output port 14, and the phase-shift phase that produce to need.Input arc 12 has used coupling port 15 to reduce the reflection of energy in the graceful lens of rood 1 inside with the coupling part of output arc 13, can also play the effect that reduces the radiation pattern sidelobe level simultaneously.
2 pairs of screens network of lenses and radiating antenna battle array 4 up and down all play the effect of ground connection, can adopt certain thickness simultaneously and the metal material of certain rigidity is arranged, to play the effect of supporting the entire antenna structure.A plurality of openings 3 on the screen 2 can be with the effect that realizes the energy of network of lenses output port is coupled to microstrip antenna array 4 such as rectangle, bow tie and funnel shaped structure.
Upper strata radiating antenna battle array 4 can adopt the form of the series feed microstrip antenna array of multiple row.Can be designed to the polarization of circular polarization or level, vertical line as required, and can utilize the method for weighting to reduce the secondary lobe of antenna pattern.
The little band multi-beam antenna of this bilayer adopts the technology of PCB respectively the microstrip antenna array 4 on upper strata and the graceful lens 1 of little band rood of lower floor to be processed, and carries out pressing and realizes double-deck little band multi-beam antenna two-layer then.
Preferably, the present invention realizes multi-beam antenna at centre frequency 76.5GHz place.Substrate can be selected Rogers 5880 for use, dielectric constant is 2.2, loss angle tangent is 0.0009, thickness be 0.127mm. in the present embodiment, this multi-beam antenna has 9 input ports 11,29 output ports 12, output port 12 and the series feed microstrip antenna array 4 of 29 row are of coupled connections. at 76.5GHz, can produce the horizontal direction beam position from 9 input port input signals and be-16 °,-12 °,-8 °,-4 °, 0 °, 4 °, 8 °, 12 °, nine wave beams of 16 °, the gain of each wave beam is about 25dB, sidelobe level all-below the 15dB, beamwidth is about 4 °.
Preferably, the screen among the present invention 2 can be metal level.
As can be seen from the above description, the present invention is relative, and prior art has excellent performance, compact conformation, and the advantage that volume is little, particularly, the present invention has the following advantages:
1) the graceful lens of the rood among the present invention can work in millimere-wave band with the form of microstrip circuit, compare with the metal waveguide lens to have in light weightly, and volume is little, the advantage that is easy to process.
2) graceful lens of the rood among the present invention and microstrip antenna array utilize double-decker to be of coupled connections by screen, and compact conformation, volume are little.
3) multi-beam antenna among the present invention adopts the PCB processes to make, and has the advantage that cost is low, machining accuracy is high, and is convenient to active circuit integrated.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention several, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a multi-beam antenna is characterized in that, comprising:
The graceful lens of little band rood (1);
Microstrip antenna array (4),
Screen (2), be positioned between described graceful lens of little band rood (1) and the described microstrip antenna array (4), described screen (2) has a plurality of openings (3), and wherein, described graceful lens of little band rood (1) and described microstrip antenna array (4) are by described a plurality of openings (3) conduction electro-magnetic wave.
2. multi-beam antenna according to claim 1 is characterized in that, described screen (2) has preset thickness or predetermined rigidity to support described graceful lens of little band rood (1) and described microstrip antenna array (4).
3. multi-beam antenna according to claim 1 is characterized in that, the graceful lens of described rood (1) are made up of input port, input arc, output arc and output port.Wherein, described input port is used for input signal, and described input arc and described output arc are used to make described signal to produce phase-shift phase, and described output port is used for output signal.
4. multi-beam antenna according to claim 1 is characterized in that, described screen (2) also is used for ground connection.
5. according to each described multi-beam antenna in the claim 1 to 4, it is characterized in that the described graceful lens of little band rood (1) are realized being of coupled connections by the described a plurality of openings (3) on the described screen (2) with described microstrip antenna array (4).
6. multi-beam antenna according to claim 5 is characterized in that, described a plurality of openings (3) be in the following shape one of at least:
Rectangle, bow tie or infundibulate.
7. multi-beam antenna according to claim 5, it is characterized in that, described microstrip antenna array (4) comprises the series feed microstrip line battle array of multiple row side by side, wherein, each the row microstrip antenna array in the series feed microstrip line battle array of described multiple row is corresponding one by one with the output port of the described graceful lens of little band rood (1) by described a plurality of openings (3).
8. according to each described multi-beam antenna in the claim 1 to 4, it is characterized in that described microstrip antenna array (4) has used weighting.
9. according to each described multi-beam antenna in the claim 1 to 4, it is characterized in that, use PCB technology described graceful lens of little band rood of pressing (1) and described microstrip antenna array (4) to realize being of coupled connections of the described graceful lens of little band rood (1) and described microstrip antenna array (4).
10. according to each described multi-beam antenna in the claim 1 to 4, it is characterized in that described screen (2) is a metal level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910237244A CN101707289A (en) | 2009-11-06 | 2009-11-06 | Multiple-wave beam antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910237244A CN101707289A (en) | 2009-11-06 | 2009-11-06 | Multiple-wave beam antenna |
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| CN101707289A true CN101707289A (en) | 2010-05-12 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319466A (en) * | 2014-09-25 | 2015-01-28 | 东南大学 | Multi-beam scanning antenna |
| CN108172998A (en) * | 2017-12-21 | 2018-06-15 | 四川中测微格科技有限公司 | A kind of structure for improving Wave-packet shaping network device interface isolation |
| WO2019000179A1 (en) * | 2017-06-26 | 2019-01-03 | 华为技术有限公司 | Power feed apparatus |
| CN109935972A (en) * | 2019-01-25 | 2019-06-25 | 南通大学 | A kind of broad-band antenna based on plasmon |
| CN110233356A (en) * | 2019-07-01 | 2019-09-13 | 张峰会 | A kind of series feed microstrip antenna array and its optimum design method |
| CN111525280A (en) * | 2020-04-10 | 2020-08-11 | 上海交通大学 | Circular polarization scanning array antenna based on Rotman lens |
| CN112186364A (en) * | 2020-09-28 | 2021-01-05 | 林伟 | Method for realizing compact multilayer transmitting-receiving antenna device |
| CN112366459A (en) * | 2020-10-29 | 2021-02-12 | 中国电子科技集团公司第二十研究所 | Integrated active multi-beam Rotman lens antenna |
| CN115398296A (en) * | 2019-12-23 | 2022-11-25 | 原子能和替代能源委员会 | Optoelectronic transmitter with phased array antenna comprising an integrated control device |
-
2009
- 2009-11-06 CN CN200910237244A patent/CN101707289A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319466A (en) * | 2014-09-25 | 2015-01-28 | 东南大学 | Multi-beam scanning antenna |
| WO2019000179A1 (en) * | 2017-06-26 | 2019-01-03 | 华为技术有限公司 | Power feed apparatus |
| CN110800159A (en) * | 2017-06-26 | 2020-02-14 | 华为技术有限公司 | Feed equipment |
| US11322816B2 (en) | 2017-06-26 | 2022-05-03 | Huawei Technologies Co., Ltd. | Feeding device |
| CN108172998A (en) * | 2017-12-21 | 2018-06-15 | 四川中测微格科技有限公司 | A kind of structure for improving Wave-packet shaping network device interface isolation |
| CN109935972A (en) * | 2019-01-25 | 2019-06-25 | 南通大学 | A kind of broad-band antenna based on plasmon |
| CN109935972B (en) * | 2019-01-25 | 2021-01-26 | 南通大学 | Broadband antenna based on plasmon |
| CN110233356B (en) * | 2019-07-01 | 2021-08-10 | 武汉安智核通科技有限公司 | Series feed microstrip antenna array and optimization design method thereof |
| CN110233356A (en) * | 2019-07-01 | 2019-09-13 | 张峰会 | A kind of series feed microstrip antenna array and its optimum design method |
| CN115398296A (en) * | 2019-12-23 | 2022-11-25 | 原子能和替代能源委员会 | Optoelectronic transmitter with phased array antenna comprising an integrated control device |
| CN111525280A (en) * | 2020-04-10 | 2020-08-11 | 上海交通大学 | Circular polarization scanning array antenna based on Rotman lens |
| CN111525280B (en) * | 2020-04-10 | 2021-08-17 | 上海交通大学 | Circular polarization scanning array antenna based on Rotman lens |
| CN112186364A (en) * | 2020-09-28 | 2021-01-05 | 林伟 | Method for realizing compact multilayer transmitting-receiving antenna device |
| CN112186364B (en) * | 2020-09-28 | 2023-01-10 | 林伟 | Method for realizing compact multilayer transmitting-receiving antenna device |
| CN112366459A (en) * | 2020-10-29 | 2021-02-12 | 中国电子科技集团公司第二十研究所 | Integrated active multi-beam Rotman lens antenna |
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Application publication date: 20100512 |