A Comprehensive Review of Antenna Technologies for Foliage Penetration Radar Systems

Abstract: Foliage Penetration Radar (FOPEN) systems have garnered significant attention for their ability to detect and locate targets obscured by dense vegetation. Antennas are fundamental to the performance of these systems, facilitating the detection of concealed objects in challenging environments. This paper provides a thorough review of the antenna technologies employed in FOPEN radar systems, tracing their historical evolution and highlighting their critical role. Antennas are classified based on operational requirements and system configurations, with a detailed examination of key advancements such as phased array and adaptive array technologies. These advancements are evaluated for their contributions to improving radar resolution, detection range, and adaptability to complex terrains. Additionally, the challenges in designing antennas that balance wideband capabilities, high directivity, and polarization diversity are discussed, with an emphasis on optimizing foliage penetration. The paper also explores the integration of beamforming techniques, which enhance signal-to-noise ratio and enable dynamic beam steering. Through this analysis, the study offers insights into current trends and future research directions for next-generation FOPEN radar systems. Keywords: FOPEN, Antenna, Array, Gain, Bandwidth, Directivity, VHF/UHF, Ultra-Wideband (UWB), Dipoles, Substrate. Title: A Comprehensive Review of Antenna Technologies for Foliage Penetration Radar Systems Author: Murtaza Ali Sabilwala, Aishwary Pathak, Anil Hiwale, A.A. Bazil Raj International Journal of Engineering Research and Reviews ISSN 2348-697X (Online) Vol. 12, Issue 4, October 2024 - December 2024 Page No: 7-33 Research Publish Journals Website: www.researchpublish.com Published Date: 02-October-2024 DOI: https://doi.org/10.5281/zenodo.13881113 Paper Download Link (Source) https://www.researchpublish.com/papers/a-comprehensive-review-of-antenna-technologies-for-foliage-penetration-radar-systems