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A Simulation Study of Multi-path Characteristics of Acoustic Propagation in the Strait of Hormuz
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| Mohammad Akbarinasab , Vahid Chegini , Abbas Ali Ali Akbari Bidokhti , Masoud Sadrinasab |
| Khorramshahr Marine Science and Technology University |
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Abstract: (16449 Views) |
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Multi-path interference due to boundary reflection in shallow water acoustic communication poses a
major obstacle to reliable and high-speed underwater communication system. In this study, initially 3D
variations of field data such as sound speed, temperature and salinity in horizontal transects of the
Strait of Hormuz were analyzed using the ROPME data. Later, data on typical sound speed profiles of
winter and summer of 1992 for the Strait of Hormuz was analyzed using ArcGIS software environment.
Authors adopted a fast-field program to simulate the delay time and amplitude fluctuation of multipaths
under different hydrographic conditions. Simulation results revealed the relationships between
delay time and amplitude, and typical hydrographic parameters, such as sound speed gradient, travel
distance and channel depth, which provided a valuable guide for the practical designing of shallowwater
wireless acoustic communication system.
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| Keywords: Multi-path, Simulation, Shallow water channel, Fast-field Programming, ArcGIS, Hydrophysical parameter |
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Full-Text [PDF 611 kb]
(1756 Downloads)
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Type of Study: Basic and Original Research |
Subject:
Physical Oceanography
Received: 2012/12/25 | Accepted: 2013/07/23 | Published: 2013/07/23
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