Horn antenna capable of realizing multiple polarizations

A technology of horn antenna and polarizer, applied in the field of horn antenna, can solve problems such as complicated operation process, and achieve the effect of improving the efficiency of polarization switching

Active Publication Date: 2020-10-09
BEIJING INST OF RADIO MEASUREMENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Both of these methods need to re-erect the antenna, and the operation process is more complicated

Method used

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  • Horn antenna capable of realizing multiple polarizations
  • Horn antenna capable of realizing multiple polarizations
  • Horn antenna capable of realizing multiple polarizations

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Embodiment Construction

[0043] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0044] Such as figure 1 As shown, the embodiment of the present invention provides a horn antenna that can realize multiple polarizations, which includes: a horn antenna body 1, a polarizer 2, a waveguide transition 3, and a horn antenna for adjusting the polarizer 2 and the waveguide transition The rotation mechanism 4 of the relative angle between 3, the horn antenna body 1, the polarizer 2, the rotation mechanism 4 and the waveguide transition piece waveguide transition 3 are sequentially connected.

[0045] The beneficial effects of the present invention are: by designing the combined structure of the horn antenna body, the variable polarizer, the waveguide transition and the rotation mechanism used to adjust th...

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Abstract

The invention provides a horn antenna capable of realizing multiple polarizations. The horn antenna comprises a horn antenna body, a variable polarizer, a waveguide transition component and a rotatingmechanism for adjusting a relative angle between the variable polarizer and the waveguide transition component, and the horn antenna body, the variable polarizer, the rotating mechanism and the waveguide transition component are connected in sequence. The horn antenna has the beneficial effects that: a combined structure of the horn antenna body, the variable polarizer, the waveguide transition component and the rotating mechanism used for adjusting the relative angle between the variable polarizer and the waveguide transition component are designed, the relative angle between waveguide transition component and the variable polarizer is changed through the rotating mechanism, the polarization properties of electromagnetic waves in the conical horn are changed, switching of the working modes of linear polarization, left circular polarization, right circular polarization and elliptical polarization can be achieved, and the polarization switching efficiency is improved.

Description

technical field [0001] The invention relates to a horn antenna, in particular to a horn antenna realizing multiple polarizations. Background technique [0002] Horn antennas are mainly used for testing antenna products, such as antenna far-field test systems, near-field test systems, etc., to calibrate the performance of antenna products to be tested, including antenna gain, antenna pattern characteristics, antenna polarization characteristics, etc. [0003] In the test of antenna products, the horn antenna used for calibration must match the polarization of the antenna under test. For a certain fixed frequency band, the antenna under test may have multiple polarization forms. The common method is to prepare a wire pole There are at least three sets of horn antennas with different polarizations, left-handed circular polarization and right-handed circular polarization. Another method is to achieve different polarizations of the horn antenna by changing the installation and er...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q13/02H01Q15/24H01Q1/50
CPCH01Q13/02H01Q15/242H01Q15/244H01Q1/50
Inventor 王建国陈国华
Owner BEIJING INST OF RADIO MEASUREMENT
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