Half-mode substrate integrated waveguide leaky-wave antenna for variable polarization and frequency scanning

A half-mode substrate integration, waveguide antenna technology, used in radar and other fields that require operating frequency and polarization reconfiguration, and wireless communications, it can solve the problems of large antenna structure, difficult carrier conformality, and heavy weight, and achieve low Loss, low cost, small size effect
CN103441340AActive Publication Date: 2013-12-11BEIHANG UNIV
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
BEIHANG UNIV
Publication Date
2013-12-11

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Abstract

The invention discloses a half-mode substrate integrated waveguide leaky-wave antenna for variable polarization and frequency scanning, and belongs to the technical field of wireless communication. The antenna comprises a medium substrate with metal patches arranged on two faces, a half-mode substrate integrated waveguide antenna array A, a half-mode substrate integrated waveguide antenna array B, four micro-strip feeder lines, a 3dB directional coupler and two micro-strip connecting lines are arranged on one metal patch, an interdigital groove inclined by -45 degrees and a metal through hole A are etched in the half-mode substrate integrated waveguide antenna array A, and an interdigital groove inclined by 45 degrees and a metal through hole A are etched in the half-mode substrate integrated waveguide antenna array B. Compared with the prior art, the half-mode substrate integrated waveguide leaky-wave antenna is low in loss, low in cost, small in size and capable of achieving multiple kinds of polarization simply and effectively and achieving beam scanning economically and practically.
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Description

technical field

[0001] The present invention relates to a half-mode substrate integrated waveguide leaky wave antenna, more particularly, refers to a half-mode substrate integrated waveguide leaky wave antenna that realizes the functions of variable polarization and frequency scanning, and is widely used in wireless communication, Radar and other fields that require operating frequency and polarization reconfiguration. Background technique

[0002] In 1998, Hirokawa and Uchimura (see reference [1]: J.Hirokawa and M.Ando, ​​"Single-layer feed waveguide consisting of posts for plane TEM wave excitation in parallel plates", IEEE Transactions on Antennas Propagation, vol.46 :625-630,1998; Reference [2]: H.Uchimur, T.Takenoshita and M.Fujii, "Development of laminated waveguide", IEEE Transactions on Microwave Theory and Techniques, vol.46(12), pp.2438 -2443,1998;) respectively proposed a structure formed by a one-dimensional array of metal vias, which can play a role similar to ...

Claims

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