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Sensors 2018, 18(2), 617; https://doi.org/10.3390/s18020617

Research on the Additional Secondary Phase Factor for Automatic Identification System Signals Transmitted over a Rough Sea Surface

Information Science and Technology College, Dalian Maritime University, Dalian 116026, China
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Received: 17 January 2018 / Revised: 8 February 2018 / Accepted: 13 February 2018 / Published: 17 February 2018
(This article belongs to the Section Remote Sensors)
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Abstract

This paper investigates the Additional Secondary Phase Factor (ASF) characteristics of Automatic Identification System (AIS) signals spreading over a rough sea surface. According to the change of the ASFs for AIS signals in different signal form, the influences of the different propagation conditions on the ASFs are analyzed. The expression, numerical calculation, and simulation analysis of the ASFs of AIS signal are performed in the rough sea surface. The results contribute to the high-accuracy propagation delay measurement of AIS signals spreading over the rough sea surface as, well as providing a reference for reliable communication link design in marine engineering for Very High Frequency (VHF) signals. View Full-Text
Keywords: automatic identification system (AIS) signals; rough sea surface; additional secondary phase factor (ASF); reflection propagation; diffraction propagation automatic identification system (AIS) signals; rough sea surface; additional secondary phase factor (ASF); reflection propagation; diffraction propagation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Wang, X.; Zhang, S.; Sun, X. Research on the Additional Secondary Phase Factor for Automatic Identification System Signals Transmitted over a Rough Sea Surface. Sensors 2018, 18, 617.

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