CN103762425A - Double-frequency double-circular polarization common-caliber antenna array for two-dimensional phase control scanning - Google Patents
Double-frequency double-circular polarization common-caliber antenna array for two-dimensional phase control scanning Download PDFInfo
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Abstract
The invention relates to a double-frequency double-circular polarization common-caliber antenna array for two-dimensional phase control scanning, wherein the antenna array covers a Ka-frequency range and a Ku-frequency range. At the overlapping portion of the two frequency ranges, a basic composition unit of the antenna array is formed by encircling of eight Ka-frequency range metal radiation sheets around one Ku-frequency range metal radiation sheet. At the edge portion, intervals of Ku-frequency range metal radiation sheet need to be adjusted to form an array with a compact layout, thereby effectively reducing a minor lobe and inhibiting a grating lobe. And antennas with different frequency ranges use metal radiation sheets with different polarization modes to form a double-circular polarization state, thereby improving the polarization isolation of the common-caliber antennas. According to the invention, on the basis of the reasonable layout, the antennas with the Ka-frequency range and the Ku-frequency range can be integrated into one caliber; and the mutual influence is minimized by using the means of array optimization and polarization isolation and the like. The antenna array is suitable for various two-dimensional phase control array antenna systems with low-profile requirement and compact structure and two-dimensional phase scanning with the large scanning angle can be realized.
Description
Technical field
The present invention relates to a kind of dual-band dual-circular polarization common reflector battle array for two dimensional phased scanning, belong to antenna technical field.
Background technology
For solving the requirement for low section, compact conformation and high scan angles in two dimensional phased array antenna system, common reflector battle array becomes a kind of trend.The outer common reflector extensively adopting of Present Domestic, for two dimensional phased array antenna, do not design specially, and most of common reflector adopts Waveguide slot antenna or stepped construction to realize bore altogether, and polarization is linear polarization.
Patent Dual-band dual-polarization co-aperture antenna (CN201120122507.6), common bore become beamwidth Waveguide slot array antenna (CN201210011667.2), the involved common reflector of a kind of planar waveguide slot array antenna (CN201020695361.X) is Waveguide slot antenna, and polarization is linear polarization.Common reflector in L/S/X three-band dual-polarized planar antenna array (CN201010275940.3) and S/X dual-band dual-polarized shared-aperture micro-strip oscillator and dielectric resonator array antenna (CN200910198240.6) does not relate to higher frequency, and adopts multi-layer sheet stepped construction.The related antenna of a kind of Double-frequency broadband ripple horn feed antenna (CN201110198475.2) is corrugated horn.
Summary of the invention
The object of the invention is: overcome the deficiencies in the prior art, a kind of low section, compact conformation, two-band, double-circle polarization are provided, are suitable for the common reflector of high scan angles, can be used for multiple two dimensional phased array antenna system.
Technical solution of the present invention is:
For a dual-band dual-circular polarization common reflector battle array for two dimensional phased scanning, comprising: microwave-medium substrate, Ka frequency range metal radiation sheet, Ku frequency range metal radiation sheet and connector;
Described antenna array covers Ka frequency range and Ku frequency range, Ka frequency range metal radiation sheet and Ku frequency range metal radiation sheet are distributed on microwave-medium substrate, it in central region, is the overlapping part of two frequency ranges, it in marginal portion, is uniform Ku frequency range metal radiation sheet, in the overlapping part of two frequency ranges, the basic composition unit of aerial array comprises a Ka frequency range metal radiation sheet and a Ku frequency range metal radiation sheet, and this Ka frequency range metal radiation sheet distributes and is square, around the individual Ku frequency range metal radiation sheet at center; Each Ka frequency range metal radiation sheet with below Ku frequency range metal radiation sheet, all by connector, penetrate microwave-medium substrate and be connected a radio frequency component, form tile type two dimensional phased array antenna.
Described Ka frequency range metal radiation sheet and Ku frequency range metal radiation sheet are square.
Spacing between two adjacent Ka frequency range metal radiation sheets is not more than the Ka band wavelength of 0.5 times,
Spacing between the adjacent Ku frequency range metal radiation sheet in two of marginal portions is not more than 0.43 times of Ku band wavelength.
The present invention's advantage is compared with prior art:
(1) the present invention is incorporated into Ka, two band antennas of Ku in same bore by rational deployment, and adopt the means such as array optimization, polarization isolation to influence each other to be down to minimum, in the multiple two dimensional phased array antenna system that requires low section, compact conformation, realize the two-dimensional phase of high scan angles and sweep.
(2), by antenna edge is carried out to rational deployment, can effectively reduce secondary lobe and suppress graing lobe, especially the in the situation that of high scan angles;
Accompanying drawing explanation
Fig. 1 is aerial array basic composition of the present invention unit vertical view;
Fig. 2 is aerial array vertical view of the present invention;
Fig. 3 is aerial array end view of the present invention.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is elaborated.
The invention provides a kind of dual-band dual-circular polarization common reflector battle array for two dimensional phased scanning, by rational deployment, Ka, two band antennas of Ku are incorporated in same bore, and adopt the means such as array optimization, polarization isolation to influence each other to be down to minimum, in the multiple two dimensional phased array antenna system that requires low section, compact conformation, realize the two-dimensional phase of high scan angles and sweep.
As shown in Figure 2 and Figure 3, comprising: microwave-medium substrate 1, Ka frequency range metal radiation sheet 2, Ku frequency range metal radiation sheet 3 and connector 4; Ka frequency range metal radiation sheet 2 and Ku frequency range metal radiation sheet 3 are square.
Microwave-medium substrate 1 is one deck double-side copper-applying microwave-medium plate, and dielectric-slab upper surface forms required aerial array by etching process, and lower surface directly contacts floor.Two frequencies of antenna cover are respectively Ka frequency range and Ku frequency range.
Described antenna array covers Ka frequency range and Ku frequency range, Ka frequency range metal radiation sheet 2 and Ku frequency range metal radiation sheet 3 are distributed on microwave-medium substrate 1, it in central region, is the overlapping part of two frequency ranges, it in marginal portion, is uniform Ku frequency range metal radiation sheet 3, in the overlapping part of two frequency ranges, as shown in Figure 1, the basic composition unit of aerial array comprises 2 and 1 Ku frequency range metal radiation sheet 3 of 8 Ka frequency range metal radiation sheets, these 8 Ka frequency range metal radiation sheets 2 distribute and are square, around 1 Ku frequency range metal radiation sheet 3 at center, be equivalent to 9 Ka frequency range metal radiation sheet composition 3*3 arrays, change a radiation fin of centre into Ku frequency range metal radiation sheet afterwards, all by connector 4, penetrate microwave-medium substrate 1 is connected a radio frequency component to each Ka frequency range metal radiation sheet 2 below with Ku frequency range metal radiation sheet 3, forms tile type two dimensional phased array antenna.
Spacing between two adjacent Ka frequency range metal radiation sheets 2 is not more than the Ka band wavelength of 0.5 times, spacing between the adjacent Ku frequency range metal radiation sheet (3) in two of marginal portions is not more than 0.43 times of Ku band wavelength, form layout array closely, can effectively reduce secondary lobe, and suppress graing lobe.
Different frequency range antenna adopts the metal radiation sheet of different polarization modes to form double-circle polarization, has improved the polarization isolation of common reflector.
The part that the present invention does not elaborate belongs to techniques well known.
Claims (4)
1. for a dual-band dual-circular polarization common reflector battle array for two dimensional phased scanning, it is characterized in that comprising: microwave-medium substrate (1), Ka frequency range metal radiation sheet (2), Ku frequency range metal radiation sheet (3) and connector (4);
Described antenna array covers Ka frequency range and Ku frequency range, Ka frequency range metal radiation sheet (2) and Ku frequency range metal radiation sheet (3) are distributed on microwave-medium substrate (1), it in central region, is the overlapping part of two frequency ranges, it in marginal portion, is uniform Ku frequency range metal radiation sheet (3), in the overlapping part of two frequency ranges, the basic composition unit of aerial array comprises 8 Ka frequency range metal radiation sheets (2) and 1 Ku frequency range metal radiation sheet (3), these 8 Ka frequency range metal radiation sheets (2) distribute and are square, around 1 Ku frequency range metal radiation sheet (3) at center, each Ka frequency range metal radiation sheet (2) all penetrates microwave-medium substrate (1) by connector (4) below with Ku frequency range metal radiation sheet (3) and is connected a radio frequency component, forms tile type two dimensional phased array antenna.
2. antenna array according to claim 1, is characterized in that: described Ka frequency range metal radiation sheet (2) and Ku frequency range metal radiation sheet (3) are square.
3. antenna array according to claim 1 and 2, is characterized in that: the spacing between two adjacent Ka frequency range metal radiation sheets (2) is not more than the Ka band wavelength of 0.5 times,
4. antenna array according to claim 1 and 2, is characterized in that: the spacing between the adjacent Ku frequency range metal radiation sheet (3) in two of marginal portions is not more than 0.43 times of Ku band wavelength.
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| CN104466351A (en) * | 2014-11-06 | 2015-03-25 | 中国运载火箭技术研究院 | Synthesis aperture heat antenna feeder system suitable for large posture changes |
| CN105406172A (en) * | 2015-12-09 | 2016-03-16 | 贵州航天电子科技有限公司 | Phased array seeker antenna |
| CN106099395A (en) * | 2016-08-11 | 2016-11-09 | 成都雷电微力科技有限公司 | A kind of multifrequency Shared aperture is combined phased array antenna structure |
| CN106207439A (en) * | 2016-09-08 | 2016-12-07 | 中国电子科技集团公司第五十四研究所 | A kind of dual circularly polarized antenna unit and array antenna |
| CN106410419A (en) * | 2016-09-12 | 2017-02-15 | 中国电子科技集团公司第五十四研究所 | Meta-material technology based low-grating lobe planar array antenna |
| CN106527273A (en) * | 2016-12-02 | 2017-03-22 | 安徽波维电子科技有限公司 | DSP chip-based intelligent temperature-controllable high-frequency tuner |
| CN107403991A (en) * | 2016-05-20 | 2017-11-28 | 罗克韦尔柯林斯公司 | Super ultra wide band AESA system and method |
| CN109755763A (en) * | 2019-01-31 | 2019-05-14 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | S/Ku double frequency Shared aperture linear polarization phase-array scanning antenna |
| CN109904599A (en) * | 2019-01-31 | 2019-06-18 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | K/Ka two-band common reflector battle array |
| CN110380201A (en) * | 2019-07-01 | 2019-10-25 | 中国航空工业集团公司雷华电子技术研究所 | A kind of X and ka two waveband is total to mouth face micro-strip array antenna |
| JP2021013166A (en) * | 2015-02-11 | 2021-02-04 | カイメタ コーポレイション | Combined antenna apertures allowing simultaneous multiple antenna functionality |
| CN112421246A (en) * | 2021-01-22 | 2021-02-26 | 成都天锐星通科技有限公司 | Common-caliber array antenna and satellite communication terminal |
| CN112736427A (en) * | 2020-12-23 | 2021-04-30 | 西安交通大学 | Dual-band dual-circular-polarization mixed dielectric resonator antenna for vehicle-mounted internal device |
| CN112736449A (en) * | 2021-03-30 | 2021-04-30 | 成都天锐星通科技有限公司 | Dual-frequency common-aperture antenna structure and antenna array surface |
| CN113113784A (en) * | 2021-03-16 | 2021-07-13 | 零八一电子集团有限公司 | Large-angle scanning array arrangement method for super-large-spacing array without grating lobes |
| CN113258306A (en) * | 2021-06-29 | 2021-08-13 | 成都锐芯盛通电子科技有限公司 | Ku/Ka dual-frequency composite phased-array antenna radiation array and design method thereof |
| CN113725629A (en) * | 2021-11-02 | 2021-11-30 | 成都雷电微力科技股份有限公司 | High-power dual-frequency dual-polarized tile-type active phased-array antenna |
| CN113871889A (en) * | 2021-09-26 | 2021-12-31 | 中国电子科技集团公司第三十八研究所 | Dual-band common-caliber antenna system |
| CN115173052A (en) * | 2022-08-04 | 2022-10-11 | 中国电子科技集团公司第二十六研究所 | Integrated dual-frequency composite phased array antenna and phased array radar |
| TWI810641B (en) * | 2021-09-01 | 2023-08-01 | 台達電子工業股份有限公司 | Antenna array device |
| CN117154407A (en) * | 2023-10-30 | 2023-12-01 | 成都雷电微力科技股份有限公司 | Ku/Ka dual-frequency dual-polarized common-caliber antenna unit and array |
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| CN113871889B (en) * | 2021-09-26 | 2024-04-19 | 中国电子科技集团公司第三十八研究所 | Dual-band common-caliber antenna system |
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| CN117154407A (en) * | 2023-10-30 | 2023-12-01 | 成都雷电微力科技股份有限公司 | Ku/Ka dual-frequency dual-polarized common-caliber antenna unit and array |
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