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:: Volume 8, Issue 30 (Summer 2017) ::
joc 2017, 8(30): 47-52 Back to browse issues page
Obtaining Submarine Heading Using Magnetic Wake in Shallow Waters
Mohammad Amir Fallah *
, mfallah@shirazu.ac.ir
Abstract:   (1695 Views)
In this paper, we proposed a new detection method to discover ships and submarines in shallow waters, using an airborne magnetic sensor. Detection scenario is based on vessel travelling at sea which causes geomagnetic anomalies in sea water. Derived analytical formulations showed the relation of geomagnetic anomaly with physical properties of vessel and environmental parameters, and then frequency analysis was performed and revealed that frequency contents of geomagnetic anomaly differed from noise frequency spectrum. In next step, geomagnetic anomaly due to submarine traveling in shallow water was simulated. The simulation results showed that the proposed method was noise robust. Finally, submarine heading was estimated using spectral analysis of geomagnetic anomaly. It was illustrated that the estimation error of vessel heading strongly depended on airborne sensor trajectory drift from submarine traveling direction 
Keywords: Wake, Submarine heading, Magnetometer, Airborne, Shallow water
Full-Text [PDF 92 kb]   (338 Downloads)    
Type of Study: Research | Subject: Marine Biology
Received: 2017/07/15 | Accepted: 2017/11/14 | ePublished: 2017/12/16
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Fallah M A. Obtaining Submarine Heading Using Magnetic Wake in Shallow Waters . joc. 2017; 8 (30) :47-52
URL: http://joc.inio.ac.ir/article-1-1157-en.html


Volume 8, Issue 30 (Summer 2017) Back to browse issues page
نشریه علمی پژوهشی اقیانوس شناسی Journal of Oceanography
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