Abstract

A dual-polarized ultrawideband antenna for a software-defined radar (SDRadar) mounted on an unmanned aerial vehicle (UAV) with various modes of operations is proposed. The antenna consists of two perpendicularly combined double slot Vivaldi antennas (DSVA) to achieve a reasonable gain over a wide bandwidth and is compact enough to meet the UAV payload size requirement. An antenna operating in the range of 0.25 − 2.5 GHz is designed and ready for fabrication. The simulated reflection coefficients of the antenna is shown to be better than −10 dB within the design frequency range. The antenna is low-profile with a total height of 300 mm and lateral dimensions of 230 mm × 230 mm. This design allows the radar system to operate in multiple modes, including ground penetrating sounding and imaging modes. This article details the design process and simulated results for the DSVA antenna element of the dual-polarized antenna.

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.