<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In the paper, a practical design of a Ku-band Vivaldi antenna array for compact radar system is presented. The realized gain, the beam width, polarization purity and the possible electronic beamforming in the horizontal plane were the most important requirements. Since the array was requested to show an enhanced mechanical stability, a novel geometry of elements was proposed. The Vivaldi slot was created on two substrates connected by metallic vias suppressing surface currents, and the microstrip feeder was placed in-between those substrates. Simulations are based on special approach in CST Microwave using infinite array of antenna elements, which should reduce computing time.</p></abstract>

In the paper, a practical design of a Ku-band Vivaldi antenna array for compact radar system is presented. The realized gain, the beam width, polarization purity and the possible electronic beamforming in the horizontal plane were the most important requirements. Since the array was requested to show an enhanced mechanical stability, a novel geometry of elements was proposed. The Vivaldi slot was created on two substrates connected by metallic vias suppressing surface currents, and the microstrip feeder was placed in-between those substrates. Simulations are based on special approach in CST Microwave using infinite array of antenna elements, which should reduce computing time.

Practical design of Ku band Vivaldi antenna array

Fakulta elektrotechniky a komunikačních technologií VUT v Brně

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Practical design of Ku band Vivaldi antenna array"}

In the paper, a practical design of a Ku-band Vivaldi antenna array for compact radar system is presented. The realized gain, the beam width, polarization...

Practical design of Ku band Vivaldi antenna array

Article Category: Papers

Published Online: Nov 26, 2020

Page range: 347 - 352

Received: Apr 20, 2020

DOI: https://doi.org/10.2478/jee-2020-0047

Keywords
antenna array, Ku band, Vivaldi antenna

© 2020 Jakub Prouza et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Practical design of Ku band Vivaldi antenna array

Article Category: Papers

Published Online: Nov 26, 2020

Page range: 347 - 352

Received: Apr 20, 2020

DOI: https://doi.org/10.2478/jee-2020-0047

Keywordsantenna array, Ku band, Vivaldi antenna

© 2020 Jakub Prouza et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
antenna array, Ku band, Vivaldi antenna