Abstract
This paper presents a densely populated, but sparsely fed antipodal Vivaldi array. Every second element of the array is fed, and the others, parasitic scatterers, are terminated to passive loads. The appropriate terminations of the parasitic elements for improving the scan gain of the array are computed using a principal component analysis-based algorithm. Compared to a reference array without parasitic elements, the main beam realized gain is increased by up to 1.8 dB inside a desired beam-steering sector. The results are verified by measurements of manufactured prototypes.
| Original language | English |
|---|---|
| Title of host publication | 18th European Conference on Antennas and Propagation, EuCAP 2024 |
| Publisher | IEEE Institute of Electrical and Electronic Engineers |
| ISBN (Electronic) | 978-88-31299-09-1 |
| ISBN (Print) | 79-8-3503-9443-6 |
| DOIs | |
| Publication status | Published - 2024 |
| MoE publication type | A4 Article in a conference publication |
| Event | 18th European Conference on Antennas and Propagation, EuCAP 2024 - Glasgow, United Kingdom Duration: 17 Mar 2024 → 22 Mar 2024 |
Conference
| Conference | 18th European Conference on Antennas and Propagation, EuCAP 2024 |
|---|---|
| Country/Territory | United Kingdom |
| City | Glasgow |
| Period | 17/03/24 → 22/03/24 |
Funding
This work was supported by Business Finland through the ENTRY100GHz CELTIC-NEXT project.
Keywords
- antenna arrays
- antipodal Vivaldi antennas
- parasitic scatterers
- principal component analysis
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