The high frequency surface wave radar solution for vessel tracking beyond the horizon

Author:

Nikolic Dejan1,Stojkovic Nikola1,Petrovic Pavle1,Tosic Nikola1,Lekic Nikola1,Stankovic Zoran2,Doncov Nebojsa2ORCID

Affiliation:

1. Vlatacom Institute, Belgrade, Serbia

2. University of Niš, Faculty of Electronic Engineering, Niš, Serbia

Abstract

With maximum range of about 200 nautical miles (approx. 370 km) High Frequency Surface Wave Radars (HFSWR) provide unique capability for vessel detection far beyond the horizon without utilization of any moving platforms. Such uniqueness requires design principles unlike those usually used in microwave radar. In this paper the key concepts of HFSWR based on Frequency Modulated Continuous (FMCW) principles are presented. The paper further describes operating principles with focus on signal processing techniques used to extract desired data. The signal processing describes range and Doppler processing but focus is given to the Digital Beamforming (DBF) and Constant False Alarm Rate (CFAR) models. In order to better present the design process, data obtained from the HFSWR sites operating in the Gulf of Guinea are used.

Publisher

National Library of Serbia

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