Collinear and omnidirectional circularly polarized transceiving antenna array
A transceiver antenna, circularly polarized technology, applied in the field of collinear omnidirectional circularly polarized transceiver antenna array, can solve the problems of the complex rear circuit model of the antenna, the difficulty of isolation of dual polarization, and the difficulty of working at the same frequency at the same time, etc. Achieve the effect of improving isolation, large isolation and compact structure
Inactive Publication Date: 2017-09-08
NANJING UNIV OF SCI & TECH
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Problems solved by technology
[0005] In short, the problems existing in the existing shared antenna for transmitting and receiving are: it is difficult to achieve dual-polarization isolation by using the same antenna as the transmitting and receiving antenna, and the polarization mode is single; The rear circuit model is complex and requires additional design
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[0034] Such as figure 1 As shown, the collinear omnidirectional circular polarization transceiver antenna array of the present invention includes a coaxial waveguide 2, a coaxial waveguide feeding base 1, a circular waveguide 4, and a circular waveguide feeding base 3; the coaxial waveguide The lower end of the tube 2 is connected to the upper part of the coaxial waveguide feed base 1, the lower end of the circular wave guide 4 is connected to the upper part of the circular wave guide feed base 3, and the upper end of the coaxial waveguide 2 is connected to the lower part of the circular wave guide feed base 3. .
[0035] Such as figure 2 As shown, the outer wall of the coaxial waveguide 2 is provided with a coaxial waveguide array 5, such as image 3 As shown, the outer wall of the circular waveguide 4 is provided with a circular waveguide array 6.
[0036] The coaxial waveguide array 5 is evenly distributed on the outer wall of the coaxial waveguide 2 in the circumferential dire...
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The invention discloses a collinear and omnidirectional circularly polarized transceiving antenna array. The collinear and omnidirectional circularly polarized transceiving antenna array comprises a coaxial waveguide tube (2), a coaxial waveguide feed base (1), a round waveguide tube (4) and a round waveguide tube feed base (3), wherein a lower end of the coaxial waveguide tube (2) is connected with an upper part of the coaxial waveguide feed base (1), a lower end of the round waveguide tube (4) is connected with an upper part of the round waveguide tube feed base (3), and an upper end of the coaxial waveguide tube (2) is connected with a lower part of the round waveguide tube feed base (3). The collinear and omnidirectional circularly polarized transceiving antenna has the advantages of large isolation and good integral performance, and is flexible and adjustable in polarization direction.
Description
Technical field [0001] The invention belongs to the technical field of wireless communication antennas, in particular to a collinear omnidirectional circularly polarized transceiver antenna array with large isolation, flexible and adjustable polarization directions, and good comprehensive performance. Background technique [0002] The omni-directional circular polarization transceiver antenna array is used in a communication system that is shared by the transceiver. [0003] The structure of the existing transceiver shared antenna is as described in the Chinese invention patent application "Application Number: 201610315381.1 Publication Date: 2016.08.03", including the use of the same antenna as the transceiver shared structure, and the use of a coupler and a bridge to cooperate with the antenna to increase the number of transceiver antennas. The isolation between. [0004] Antennas have different radiation and acceptance capabilities in different directions in space. This is the di...
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Login to View More IPC IPC(8): H01Q13/10H01Q21/06H01Q21/24H01Q1/36
CPCH01Q21/06H01Q1/36H01Q13/10H01Q21/24
Inventor 齐世山刘亮亮吴文印倩王轶豪
Owner NANJING UNIV OF SCI & TECH