Broadband low-profile antenna array with mechanoelectric scanning based on continuous transverse stubs
Polenga S. V. 1, Ryazantsev R. O. 1, Strigova E. A. 1, Stankovsky A. V. 1, Poligina A. D. 1
1Siberian Federal University, Krasnoyarsk, Russia
Email: twinlive@gmail.com
The work is devoted to the development and study of a broadband low-profile antenna array with wide-angle mechanoelectric scanning based on continuous transverse stubs (CTS). In the proposed design, the antenna array is excited by a source of a plane quasi-TEM wave formed in a power divider based on binary dividers implemented on a U-shaped waveguide. Scanning is achieved by rotating the plane wave source relative to the CTS-array. The aperture efficiency of the antenna array was more than 60 % when scanning in a sector of angles of ± 30o in a frequency band of more than 45 % with VSWR of no more than 1.2. The proposed antenna does not have frequency scanning. Keywords: Continuous transverse stub, antenna array, satellite communication, wide-angle scanning, VICTS, CTS.
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