CN102868028B - Mechanical type phase control scanning array antennae and wave beam pointing control method thereof - Google Patents
Mechanical type phase control scanning array antennae and wave beam pointing control method thereof Download PDFInfo
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- CN102868028B CN102868028B CN201210350043.3A CN201210350043A CN102868028B CN 102868028 B CN102868028 B CN 102868028B CN 201210350043 A CN201210350043 A CN 201210350043A CN 102868028 B CN102868028 B CN 102868028B
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Abstract
The invention relates to an array antenna and a wave beam pointing control method thereof, and relates to a mechanical type phase control scanning array antennae and the wave beam pointing control method thereof. The mechanical type phase control scanning array antennae comprises an antenna array formed by N circularly polarized antenna units, a power divider network and a coaxial line, wherein each circularly polarized antenna unit is arranged on rotating equipment; and the angle posture of each circularly polarized antenna and the phase configuration corresponding to the different angle postures of each circularly polarized antenna unit are subjected to the rotary control of the rotating equipment, so that the wave beam pointing of the antenna array can be contorlled, and furhter a phase control wave beam scanning function is realized. The mechanical type phase control scanning array antennae realizes the phase-controlled wave beam scanning on the basis of setting of the initial phase position information carried by the self angle postures of the circularly polarized antenna units, and the phase position deployment of the antenna array; and the phase control wave beam scanning of the antenna array can be realized by the design, the operation mode is simple and flexible, and the mechanical type phase control scanning array antennae and the wave beam pointing control method thereof can adapt to multiple application occasions.
Description
Technical field
The present invention relates to a kind of array antenna and beam point steering method thereof, specifically a kind of mechanical type phased scanning array antenna and beam point steering method thereof.
Background technology
Mechanical type phased scanning array antenna is a kind of angular pose by means of machinery control circular polarized antenna unit, with the initial phase information that itself attitude was comprised, realizes the phase configuration of whole array.Power divider can space electricity-feeding form, form that also can constrained feed.This technology as a kind of system configuration simple, various informative variable, design is convenient, the various antenna array scheme of implementation, can extensive use in various microwaves and antenna system.Phased scanning array antenna is generally realized beam point steering in the mode of the form control phase configuration of circuit, and its circuit complexity, cost are high, and the control precision of phase place is limited.Generally can not realize phased beam scanning for reflective array.In microwave and antenna system, application form is limited.
The method that realizes beam point steering of existing phased scanning array antenna, mainly distinguishes with the implementation of phase configuration.The mode that major way has the direct control phase side-play amount of analog voltage, the voltage control phase pushing figure of digital control, numerically controlled phase pushing figure and mechanical displacement or machinery rotation to control length of transmission line or relative dielectric constant realizes phase pushing figure.The voltage control mode of analog or digital needs corresponding microwave circuit and device to realize, because the unit number of whole array is many, so cost is very high; The precision of phase pushing figure is limited simultaneously, and directly related with price.It is larger that the structure that the mode of length of transmission line or relative dielectric constant is general is controlled in mechanical displacement or machinery rotation, is not suitable in large-scale array to each cell location.
Existing phased scanning array antenna is widely used, but along with the needs of technological progress and productive life, mounting means, the cost etc. of phased required precision, aerial array are required more and more higher, meet requirement very difficult of these several respects simultaneously.
Summary of the invention
Technical problem to be solved by this invention is, overcome the shortcoming of prior art, a kind of mechanical type phased scanning array antenna and beam point steering method thereof are provided, features simple structure, cost is lower, the phased scanning array antenna that phase control precision is high, solves the deficiencies such as complicated circuit, the phased accuracy of general phased beam scanning array antenna is limited, aerial array form can not design arbitrarily, cost is high with simple structure.
The technical scheme that the present invention solves above technical problem is
A kind of mechanical type phased scanning array antenna beam pointing control method, described mechanical type phased scanning array antenna comprises aerial array, power divider network and the coaxial line of N root circular polarized antenna cell formation, each circular polarized antenna unit is erected on a slewing, the angular pose of the rotation control circular polarized antenna unit by slewing, realize the phase configuration of aerial array with the circular polarized antenna unit corresponding phase place of different angular poses and carry out the sensing of control antenna array beams, realize the phased beam scanning function of aerial array.
Mechanical type phased scanning array antenna, comprise the aerial array of N root circular polarized antenna cell formation, the coaxial line that power divider network is connected with port, coaxial line comprises an input coaxial line and N root output coaxial cable, N is more than or equal to 1 integer, input coaxial line and output coaxial cable all have inner wire and outer conductor, input coaxial line all has the link that is connected power divider and the signal end that is connected external equipment with output coaxial cable, and circular polarized antenna unit has signal input part; Also comprise N slewing, each circular polarized antenna unit is erected on a slewing, controls the angular pose of each circular polarized antenna unit by the rotation of slewing; Power divider network is the power divider of constrained feed working method, and it has inner chamber, is positioned at the input side metallic walls of inner chamber one side and the outlet side metallic walls that be positioned at inner chamber opposite side relative with input side metallic walls, is filled with medium in inner chamber; The link outer conductor of input coaxial line is connected to the input side metallic walls of power divider, and the link inner wire of input coaxial line connects the outlet side metallic walls of power divider through power divider inner chamber; The signal input part of each circular polarized antenna unit connects the link inner wire of an output coaxial cable, and is connected to the input side metallic walls of power divider through power divider inner chamber, and the link outer conductor of each output coaxial cable is unsettled.
Mechanical type phased scanning array antenna, comprise the aerial array of N root circular polarized antenna cell formation, the coaxial line that power divider network is connected with port, also comprise N slewing, each circular polarized antenna unit is erected on a slewing, controls the angular pose of each circular polarized antenna unit by the rotation of slewing; Power divider network is space electricity-feeding power divider network, and space electricity-feeding power divider network is directly realized and being connected with the mode of field coupling and the unit of aerial array by radiation.
The angular pose of circular polarized antenna unit, with the working method of itself circular polarization, embodies the initial phase information comprising with attitude to identical incident wave, the angular pose of realizing control antenna unit completes the phase control of antenna element.
The technical scheme that the present invention further limits is:
Aforesaid mechanical type phased scanning array antenna beam pointing control method, taking certain circular polarized antenna unit of aerial array as reference, the angle of its adjacent circular polarized antenna unit is up and down with identical amplitude successively increasing or decreasing, realize the phase configuration of aerial array, a kind of phase configuration correspondence of whole aerial array a kind of beam position of aerial array, realize the phased beam scanning function of aerial array.
Aforesaid mechanical type phased scanning array antenna beam pointing control method, the independent angular pose of controlling all circular polarized antennas unit, by configuring different aerial array PHASE DISTRIBUTION, corresponding different antenna array beams points to, and realizes the phased beam scanning function of aerial array.
Aforesaid mechanical type phased scanning array antenna beam pointing control method, place aerial array isoplanar, and the angular pose of circular polarized antenna unit is all identical, has realized same-phase distribution, the corresponding beam position of array normal direction.
Aforesaid mechanical type phased scanning array antenna beam pointing control method, all circular polarized antennas unit is all right-handed circular polarization antenna element, all antenna elements are to be uniformly-spaced arranged in rectangular array, each antenna element and its be interval half-wavelength between adjacent antenna element up and down, wavelength is the wavelength of circular polarized antenna cell operation frequency in free space, taking the angle of that antenna element in the rectangular array upper left corner as reference, angle changes and carries out one by one along right side and the below of reference antenna unit, the angle that is positioned at each antenna element on right side, reference antenna unit turns 30 degree than the angle of that antenna element that is positioned at its adjacent left-hand clockwise, the angle that is positioned at each antenna element of below, reference antenna unit turns 30 degree than the angle of that antenna element that is positioned at its adjacent top clockwise, in order to realize phase place to the right downward bias from the PHASE DISTRIBUTION of normal direction, corresponding antenna beam refers to off-normal downward direction to the right.
The invention has the beneficial effects as follows:
The present invention adopts the mode of the circular polarized antenna angular pose based on machinery control to realize phased beam scanning, without adopting the relatively high active circuit of price, only adopt the mode of mechanical angle control, with lower cost, with multiple concrete power divider circuits form, with the arrangement form of aerial array arbitrarily, can greatly expand the application of phased beam scanning array antenna.
The present invention adopts the phase place of the mode control antenna unit of the circular polarized antenna angular pose of machinery control, can realize far above general phase array phase control precision.
The present invention adopts the phase place of the mode control antenna unit of the circular polarized antenna angular pose of machinery control, replaces Microwave Active circuit with mechanical rotating device, can realize at lower cost phased working method.
The present invention adopts the phase place of the mode control antenna unit of the circular polarized antenna angular pose of machinery control, and the version to power divider network and circuit form do not have concrete requirement, thereby have greatly promoted the application of this technology; Control separately with the phase place of antenna element, to the not requirement of the arrangement form of aerial array, antenna array structure can simple and flexible design, and can adapt to various application occasions simultaneously.
Brief description of the drawings
Fig. 1 is circular polarized antenna cell schematics of the present invention.
Fig. 2 is antenna element of the present invention and slewing structural representation.
Fig. 3 is antenna array structure schematic diagram of the present invention.
Fig. 4 is the embodiment of the present invention 1 space electricity-feeding power distributing network structural representation.
Fig. 5 is the embodiment of the present invention 2 constrained feed power distributing network structural representations.
Embodiment
Embodiment 1
The mechanical type phased scanning array antenna of the present embodiment, structure as shown in Figure 4, comprise N root circular polarized antenna unit 111,112 ... the aerial array that 11N forms, the coaxial line 14 that power divider network 13 is connected with port, circular polarized antenna unit as shown in Figure 1, aerial array as shown in Figure 3, also comprise N slewing, slewing as shown in Figure 2, each circular polarized antenna unit is erected on a slewing, controls the angular pose of each circular polarized antenna unit by the rotation of slewing; Power divider network 13 is space electricity-feeding power divider network, and space electricity-feeding power divider network is directly realized and being connected with the mode of field coupling and the unit of aerial array by radiation.
The mechanical type phased scanning array antenna beam pointing control method of the present embodiment, the angular pose of the rotation control circular polarized antenna unit by slewing, realize the phase configuration of aerial array with the circular polarized antenna unit corresponding phase place of different angular poses and carry out the sensing of control antenna array beams, realize the phased beam scanning function of aerial array.
Taking certain circular polarized antenna unit of aerial array as reference, the angle of its adjacent circular polarized antenna unit is up and down with identical amplitude successively increasing or decreasing, realize the phase configuration of aerial array, a kind of phase configuration correspondence of whole aerial array a kind of beam position of aerial array, realize the phased beam scanning function of aerial array.
The all circular polarized antennas of the present embodiment unit is all right-handed circular polarization antenna element, all antenna elements are spaced orthogonal array, each antenna element and its interval half-wavelength (wavelength of corresponding operating frequency in free space) between adjacent antenna element up and down, taking the angle of that antenna element in the described rectangular array upper left corner as reference, angle changes and carries out one by one along right side and the below of reference antenna unit, the angle that is positioned at each antenna element on right side, reference antenna unit turns 30 degree than the angle of that antenna element that is positioned at its adjacent left-hand clockwise, the angle that is positioned at each antenna element of reference antenna unit below turns 30 degree than the angle of that antenna element that is positioned at its adjacent top clockwise, and (for example angle of that antenna element in the rectangular array upper left corner is 30 degree, the angle of adjacent that antenna element in the right side of that antenna element in the upper left corner is 60 degree, this 60 angle of spending that adjacent antenna element of antenna element right side, angle is 90 degree, by that analogy, the for example angle of that antenna element in the rectangular array upper left corner is 30 degree, the angle of adjacent that antenna element in the below of that antenna element in the upper left corner is 60 degree, below this 60 degree angle antenna element, the angle of that adjacent antenna element is 90 degree, by that analogy, ), downward bias is from the PHASE DISTRIBUTION of normal direction to the right to realize phase place, and corresponding antenna beam refers to off-normal downward direction to the right.
The function of the version of power divider 13 and circuit form and phased scanning is irrelevant, can have multiple application.The arrangement form of aerial array and the function of phased scanning are irrelevant, can have various ways.Antenna element assembling corresponding to mechanical rotating device; Mechanical rotation equipment is independently controlled.Space electricity-feeding power distributing network structure distributes at the phase and magnitude of array surface with the antenna pattern of feed antenna, completes the each unit of array and receives the synthetic of signal.
Embodiment 2
The mechanical type phased scanning array antenna of the present embodiment, structure as shown in Figure 5, comprise N root circular polarized antenna unit 111, 112, the aerial array that 11N forms, the coaxial line 14 that power divider network 13 is connected with port, circular polarized antenna unit as shown in Figure 1, aerial array as shown in Figure 3, coaxial line 14 comprises an input coaxial line and N root output coaxial cable, N is more than or equal to 1 integer, input coaxial line and output coaxial cable all have inner wire and outer conductor, input coaxial line all has the link that is connected power divider and the signal end that is connected external equipment with output coaxial cable, circular polarized antenna unit has signal input part, also comprise N slewing 12, each circular polarized antenna unit is erected on a slewing 12, and slewing as shown in Figure 2, is controlled the angular pose of each circular polarized antenna unit by the rotation of slewing, power divider network 13 is the power divider of constrained feed working method, and it has inner chamber, is positioned at the input side metallic walls of inner chamber one side and the outlet side metallic walls that be positioned at inner chamber opposite side relative with input side metallic walls, is filled with medium in inner chamber, the link outer conductor of input coaxial line is connected to the input side metallic walls of described power divider, and the link inner wire of input coaxial line connects the outlet side metallic walls of power divider through power divider inner chamber, each circular polarized antenna unit 111,112 ... the signal input part of 11N all connects the link inner wire of an output coaxial cable, and being connected to the input side metallic walls of power divider through power divider inner chamber, the link outer conductor of each output coaxial cable is unsettled.
The mechanical type phased scanning array antenna beam pointing control method of the present embodiment, the angular pose of the rotation control circular polarized antenna unit by slewing, realize the phase configuration of aerial array with the circular polarized antenna unit corresponding phase place of different angular poses and carry out the sensing of control antenna array beams, realize the phased beam scanning function of aerial array.The angular pose that is rotating shaft by the Yi Qi center, circular polarized antenna unit of helix form, has characterized the information of antenna element initial phase.
Place the present embodiment aerial array isoplanar, and the angular pose of circular polarized antenna unit is all identical, has realized same-phase distribution, the corresponding beam position of array normal direction.
The function of the version of power divider 13 and circuit form and phased scanning is irrelevant, can have multiple application.The arrangement form of aerial array and the function of phased scanning are irrelevant, can have various ways.Antenna element assembling corresponding to mechanical rotating device; Mechanical rotation equipment is independently controlled.Constrained feed power distributing network structure realizes physical circuit with concrete transmission line form, completes the each unit of array and receives the synthetic of signal.
In addition to the implementation, the present invention can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection range of requirement of the present invention.
Claims (3)
1. a mechanical type phased scanning array antenna beam pointing control method, described mechanical type phased scanning array antenna comprises N root circular polarized antenna unit (111, 112, aerial array 11N) forming, power divider network (13) and coaxial line (14), described each circular polarized antenna unit is erected on a slewing (12), the angular pose of the rotation control circular polarized antenna unit by slewing (12), realize the phase configuration of aerial array with the circular polarized antenna unit corresponding phase place of different angular poses and carry out the sensing of control antenna array beams, realize the phased beam scanning function of aerial array,
It is characterized in that: all circular polarized antennas unit is all right-handed circular polarization antenna element, all antenna elements are to be uniformly-spaced arranged in rectangular array, each antenna element and its be interval half-wavelength between adjacent antenna element up and down, described wavelength is the wavelength of circular polarized antenna cell operation frequency in free space, taking the angle of that antenna element in the described rectangular array upper left corner as reference, angle changes and carries out one by one along right side and the below of reference antenna unit, the angle that is positioned at each antenna element on right side, reference antenna unit turns 30 degree than the angle of that antenna element that is positioned at its adjacent left-hand clockwise, the angle that is positioned at each antenna element of below, reference antenna unit turns 30 degree than the angle of that antenna element that is positioned at its adjacent top clockwise, in order to realize phase place to the right downward bias from the PHASE DISTRIBUTION of normal direction, corresponding antenna beam refers to off-normal downward direction to the right.
2. mechanical type phased scanning array antenna beam pointing control method as claimed in claim 1, it is characterized in that: the independent angular pose of controlling all circular polarized antennas unit, by configuring different aerial array PHASE DISTRIBUTION, corresponding different antenna array beams points to, and realizes the phased beam scanning function of aerial array.
3. for the mechanical type phased scanning array antenna of control method described in claim 1 or 2, comprise N root circular polarized antenna unit (111, 112, aerial array 11N) forming, the coaxial line (14) that power divider network (13) is connected with port, described coaxial line (14) comprises an input coaxial line and N root output coaxial cable, described N is more than or equal to 1 integer, described input coaxial line and output coaxial cable all have inner wire and outer conductor, described input coaxial line all has the link that is connected power divider and the signal end that is connected external equipment with output coaxial cable, described circular polarized antenna unit has signal input part, also comprise N slewing (12), it is upper that described each circular polarized antenna unit is erected at a slewing (12), controls the angular pose of each circular polarized antenna unit by the rotation of slewing, it is characterized in that: the power divider that described power divider network (13) is constrained feed working method, it has inner chamber, is positioned at the input side metallic walls of inner chamber one side and the outlet side metallic walls that be positioned at inner chamber opposite side relative with input side metallic walls, in described inner chamber, is filled with medium, the link outer conductor of described input coaxial line is connected to the input side metallic walls of described power divider, and the link inner wire of described input coaxial line connects the outlet side metallic walls of described power divider through described power divider inner chamber, described each circular polarized antenna unit (111,112 ... signal input part 11N) all connects the link inner wire of an output coaxial cable, and being connected to the input side metallic walls of described power divider through described power divider inner chamber, the link outer conductor of described each output coaxial cable is unsettled.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20160218429A1 (en) * | 2015-01-23 | 2016-07-28 | Huawei Technologies Canada Co., Ltd. | Phase control for antenna array |
| CN109256619B (en) * | 2018-09-25 | 2021-04-09 | Oppo广东移动通信有限公司 | Antenna assembly, antenna assembly control method and related product |
| CN110661097A (en) * | 2019-09-29 | 2020-01-07 | 深圳航天东方红海特卫星有限公司 | Method and system for realizing circularly polarized antenna array with controllable wave beams |
| CN113922103A (en) * | 2020-07-10 | 2022-01-11 | 华为技术有限公司 | Antenna system and beam forming method |
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| US5537122A (en) * | 1994-07-22 | 1996-07-16 | Japan Radio Co., Ltd. | Tracking array antenna system |
| CN1283316A (en) * | 1997-10-24 | 2001-02-07 | 艾利森电话股份有限公司 | Terminal antenna for communications system |
| CN1534829A (en) * | 2003-03-27 | 2004-10-06 | 3 | Antenna possessing dipole element and regulatable beam width and scanning azimuth angle |
| CN202797296U (en) * | 2012-09-19 | 2013-03-13 | 无锡创元电子科技有限公司 | Mechanical type phased scanning array antenna |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN87206959U (en) * | 1987-05-03 | 1988-05-25 | 仇道奎 | Rotating device of outdoor tv antenna |
| JPH02189008A (en) * | 1989-01-18 | 1990-07-25 | Hisamatsu Nakano | Circularly polarized wave antenna system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5537122A (en) * | 1994-07-22 | 1996-07-16 | Japan Radio Co., Ltd. | Tracking array antenna system |
| CN1283316A (en) * | 1997-10-24 | 2001-02-07 | 艾利森电话股份有限公司 | Terminal antenna for communications system |
| CN1534829A (en) * | 2003-03-27 | 2004-10-06 | 3 | Antenna possessing dipole element and regulatable beam width and scanning azimuth angle |
| CN202797296U (en) * | 2012-09-19 | 2013-03-13 | 无锡创元电子科技有限公司 | Mechanical type phased scanning array antenna |
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