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An antenna system and circular waveguide technology, which is applied in the field of circular waveguide antenna feeder antenna system, can solve troubles and other problems, and achieve the effects of receiving information, large power capacity, and small transmission attenuation
Active Publication Date: 2018-06-26
STATE GRID CORP OF CHINA +1
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Most antenna feed systems use rectangular waveguides and coaxial cables, both of which are fixed, and it will be very troublesome to rotate the antenna
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[0009] see figure 1 As shown, the present invention adopts the following technical scheme: a circular waveguide antenna feeder antenna system, including an antenna 1, a circular flexible waveguide 2, an upper sealing joint 3, a circular waveguide elbow 4, a mixed mode filter 5, and a circular waveguide 6 , polarization compensation section 7, polarization rotator 8, converter 9, polarization separator 10 and waveguide elbow 11, the antenna 1, round flexible waveguide 2, upper sealing section 3, round waveguide elbow 4, miscellaneous The mode filter 5, the circular waveguide 6, the polarization compensation joint 7, the polarization rotator 8, the converter 9, the polarization separator 10 and the waveguide elbow 11 are connected in sequence, and the polarization separator 10 and the waveguide bend The head 11 is respectively connected with a rectangular flexible waveguide 12 , a rectangular waveguide 13 , a rectangular waveguide sealing section 14 and a ladder transformer 15 ....
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Abstract
The invention discloses a circular waveguide antenna feeder antenna system which comprises an antenna, a circular and flexible waveguide, an upper sealing section, a circular waveguide bend, a parasitic mode filter, a circular waveguide tube, a polarization expansion joint, a polarization rotating joint, a convertor, a polarization separator and a waveguide bend. The antenna, the circular and flexible waveguide, the upper sealing section, the circular waveguide bend, the parasitic mode filter, the circular waveguide tube, the polarization expansion joint, the polarization rotating joint, the convertor, the polarization separator and the waveguide bend are connected in sequence. The polarization separator and the waveguide bend are respectively connected with a rectangular flexible waveguide, a rectangular waveguide, a rectangular waveguide sealing section and a step convertor. As the circular waveguide is adopted in the circular waveguide antenna feeder antenna system to transmit information, the circular waveguide antenna feeder antenna system has the advantages that steering is convenient, information receiving is facilitated, power capacity for microwave transmission is larger and transmission attenuation is less.
Description
technical field [0001] The invention relates to a circular waveguide antenna feeder antenna system. Background technique [0002] Mobile communication is one of the most active and fastest-growing fields in today's communication field. As an important part of mobile communication, the antenna system is widely used in GSM base stations, CDMA base stations, paging transmitters, satellite earth stations, TV relay stations, closed-circuit television systems, etc., as a communication bridge between user terminals and control equipment. Emphasis on major impetus. Most of the antenna feeder systems use rectangular waveguide and coaxial cable, both of which are fixed, and it will become very troublesome when the antenna needs to be rotated. From the point of view of mechanics and stress balance, the rectangular waveguide is slightly inferior to error and convenience, and has small power capacity and more attenuation for microwave transmission. Contents of the invention [0003]...
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