A printed lens in antenna’s aperture to improve the performance of UWB-radar system

Vipin Choudhary (), Daniel Rönnow () and Malay Ranjan Tripathy ()
Additional contact information
Vipin Choudhary: University of Gävle
Daniel Rönnow: University of Gävle
Malay Ranjan Tripathy: Amity University Noida

International Journal of System Assurance Engineering and Management, 2023, vol. 14, issue 2, No 3, 603-609

Abstract: Abstract we present a printed lens for radar applications. The structure of the presented lens consists of an array of modified micro-strip lines, which is positioned in the antenna’s aperture on the same planar substrate. Simulations show that the gain and directivity increase with the proposed lens in a wide band frequency band. The proposed design is insensitive to rotation of the antenna. This paper focuses on real industrial applications and problems. Further, we show that the lens can be used to improve the object detection ability of an ultrawide band radar system, which is used in industrial applications such as non-destructive monitoring of built-structures and for use in the renovation process. The signal to noise ratio is improved. Furthermore, we show how the microwave lens can also be used to reduce the clutter in applications where the complex refractive index of objects is determined. Further, different simulated results (for different cases) are compared, presented and concluded.

Keywords: Microwave printed lens; UWB radar; Lens; Antipodal-Vivaldi antenna; Radar applications (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s13198-021-01341-2

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