Multipath Measurement in the Sea, Simulation and Estimation of Underwater Acoustic Channel

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Asadzade Abbas; ALAVI SEYED MOHAMMAD; KARIMI MAHMOUD; AMIRI HADI

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Journal: HYDROPHYSICS Year:2019 | Volume:5 | Issue:1 Page(s): 133-148

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Information Journal Paper

Title

Multipath Measurement in the Sea, Simulation and Estimation of Underwater Acoustic Channel

Author(s)

Asadzade Abbas | ALAVI SEYED MOHAMMAD | KARIMI MAHMOUD | AMIRI HADI | Issue Writer Certificate

Keywords

Acoustic wave propagationQ1

Acoustic signal processingQ1

Multi-pathQ1

Receiver arrayQ1

Chirp signalQ1

Abstract

The importance of identifying underwater acoustic channels and their effects on signals is increasing due to its widespread use in various fields such as environmental monitoring, explorations in oceans and military operations. In this paper, we simulate the Multi-path effect in underwater environment based on near-real-world models and by analyzing the received signal equations in a multi-sensor array. The results are expressed in terms of probability density, kurtosis, skewness, cepstrum and reflection volume in the channel. Based on received signal modeling, the signal behavior in a linear array is investigated and analyzed in a few depths relative to a fixed source. Moreover, to investigate the Multi-path phenomenon, actual measurements were made in the sea and measurement scenario, signal analysis, results of the impulse response and its statistical behavior are presented. The results of real data analysis show that the magnitude of the acoustic signal transmitted by sea has a Nakagami distribution.

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APA: Copy

Asadzade, Abbas, ALAVI, SEYED MOHAMMAD, KARIMI, MAHMOUD, & AMIRI, HADI. (2019). Multipath Measurement in the Sea, Simulation and Estimation of Underwater Acoustic Channel. HYDROPHYSICS, 5(1 ), 133-148. SID. https://sid.ir/paper/264887/en

Vancouver: Copy

Asadzade Abbas, ALAVI SEYED MOHAMMAD, KARIMI MAHMOUD, AMIRI HADI. Multipath Measurement in the Sea, Simulation and Estimation of Underwater Acoustic Channel. HYDROPHYSICS[Internet]. 2019;5(1 ):133-148. Available from: https://sid.ir/paper/264887/en

IEEE: Copy

Abbas Asadzade, SEYED MOHAMMAD ALAVI, MAHMOUD KARIMI, and HADI AMIRI, “Multipath Measurement in the Sea, Simulation and Estimation of Underwater Acoustic Channel,” HYDROPHYSICS, vol. 5, no. 1 , pp. 133–148, 2019, [Online]. Available: https://sid.ir/paper/264887/en

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