Downloading: Design of Squinted Beam Slotted Linear Array Design of Squinted Beam Slotted Linear Array Antenna for Radar Application
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064



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Design of Squinted Beam Slotted Linear Array Design of Squinted Beam Slotted Linear Array Antenna for Radar Application

V. Venkateswara Rao, P. Siva Prasad

Abstract: Slotted linear antenna array at Ku band for radar application is designed with design of waveguide with standard waveguide dimensions at Ku band, slot design, and array design using Taylor distribution. The main beam is oriented at an angle of 450 with respect to the board side of the broad wall of the rectangular waveguide at Ku band. Single slot need to be designed and optimized for resonance frequency and use the same slot in designing the linear array, optimize the inter element spacing, slot dimensions and slot locations to achieve the desired VSWR bandwidth over whole frequency band of operation. Mutual coupling effect has to be taken care in designing for improving active return loss and radiation efficiency. A coaxial probe feed has to be designed and feed at /4 distance from one end of waveguide and another end need to be terminated with matched load because of non resonant antenna array.

Keywords: antenna, slotted, array, rectangular waveguide, radiation pattern



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