A design of Archimedean spiral antennas applied in passive radar
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https://doi.org/10.54939/1859-1043.j.mst.101.2025.32-38Keywords:
Passive radar; Spiral antenna.Abstract
Currently, spiral antennas are widely studied and applied for both military and civilian purposes. However, ensuring that the antenna system operates effectively across a wide frequency range while still meeting gain and directionality requirements is a complex problem. In this article, the authors present the results of research and design of spiral antennas operating in the 2 to 4 GHz frequency range (S band). The analysis of operating principles, calculations, and simulations using CST 2019 software demonstrates that the antenna system operates over a broad frequency range, meeting the requirements of passive radar stations.
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