Design of a Novel 3D Circular Vivaldi Antennas Array for Ultra-Wideband Near-Field Radar Imaging
(2012) 6th European Conference on Antennas and Propagation - EUCAP 2012 — Location: Prague, Czech Republic (26.March.2012)
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- Abstract
- The design of a circular Vivaldi antenna array for Ultra wideband near-field radar imaging is presented. We first show a 3D single Vivaldi antenna with a 12:1 bandwidth without the need for complex microstrip transitions. A 3D circular array of 10 electrically connected elements is simulated using the Method of Moments, with 12:1 bandwidth. The 3D circular array is simulated using the Array Scanning Method (ASM) applied to the Method of Moments, where the ASM appears as a computationally efficient approach for simulating large circular antenna arrays. Near fields in E and H planes in the area of radiation exposure are depicted and exhibit smooth spreading over the whole field of view.
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Citations
Al Khalifeh, K., Sarkis, R., & Craeye, C. (2012). Design of a Novel 3D Circular Vivaldi Antennas Array for Ultra-Wideband Near-Field Radar Imaging. Proceedings of the 6th European Conference on Antennas and Propagation - EUCAP 2012, pp. 898-901. https://doi.org/10.1109/EuCAP.2012.6205930