What is it about?
The paper presents the synthesis and research of a new, more relevant detection model for Small Maritime Targets SMT such as yachts, sailing ships, fishing boats, and fishing cutters.
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Why is it important?
Using the dominant detection distance, calculation results are obtained that correspond with greater accuracy to the values obtained during tests in real conditions. Due to the way electromagnetic waves propagate over the surface of the sea, there are specular and diffuse reflections. From the research, there is a significant reduction in the maximum and dominant detection distance under diffuse reflection conditions. This phenomenon occurs at very short and steep waves, i.e. at higher sea states and locally in regions where sea wave interference occurs. In diffuse reflection, echoes from small units with a small effective reflection area may not be detected.
Perspectives
Directions for further research on accurate and reliable detection of small marine objects should be conducted in the following scope: • testing of devices other than passive radar reflectors, with particular emphasis on identifying objects of irregular geometric shape, • verification of the small maritime targets model for very fast floating objects, • carrying out more measurements under different real operating conditions.
Professor Józef Andrzej Lisowski
Read the Original
This page is a summary of: Quality Analysis of Small Maritime Target Detection by Means of Passive Radar Reflectors in Different Sea States, Remote Sensing, December 2022, MDPI AG,
DOI: 10.3390/rs14246342.
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