Download Underwater Acoustics and Ocean Dynamics: Proceedings of the by Lisheng Zhou, Wen Xu, Qianliu Cheng, Hangfang Zhao PDF

By Lisheng Zhou, Wen Xu, Qianliu Cheng, Hangfang Zhao

These complaints are a set of sixteen chosen medical papers and reports through wonderful overseas specialists that have been awarded on the 4th Pacific Rim Underwater Acoustics convention (PRUAC), held in Hangzhou, China in October 2013. the subjects mentioned on the convention contain inner wave remark and prediction; environmental uncertainty and coupling to sound propagation; environmental noise and ocean dynamics; dynamic modeling in acoustic fields; acoustic tomography and ocean parameter estimation; time reversal and coupled box processing; underwater acoustic localization and conversation in addition to dimension instrumentations and structures. those complaints offer insights into the newest advancements in underwater acoustics, selling the trade of principles for the good thing about destiny research.

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Extra info for Underwater Acoustics and Ocean Dynamics: Proceedings of the 4th Pacific Rim Underwater Acoustics Conference

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Cn W. cn X. Gong Hangzhou Applied Acoustic Research Institute, Hangzhou 310027, China © Zhejiang University Press and Springer Science+Business Media Singapore 2016 L. Zhou et al. 1007/978-981-10-2422-1_8 57 58 Z. Yu et al. In order to achieve reliable communications under channel uncertainties, coding gain must be utilized to improve communication systems performance in low SNR regions. Turbo equalization [2], which is a natural extension of turbo codes, views a channel with inter symbol interference (ISI) as an inner convolutional encoder and utilizes serial concatenated convolutional codes with interleaver to greatly decrease the occurrences of low weight code words.

Estimation of high-resolution sediment concentration profiles in bottom boundary layer using pulse-coherent acoustic Doppler current profiles. Mar. Geol. 279, 199–209 (2011) A Low Complexity Multichannel Adaptive Turbo Equalizer for a Large Delay Spread Sparse Underwater Acoustic Channel Yanbo Wu and Min Zhu Abstract A scheme for a multichannel adaptive turbo equalizer for a large delay spread sparse underwater acoustic channel is presented, with the added complexity of a single DSP chip implementation.

2 Validation tests. a Simulation realizations of the product nðzÞhf2 i using the HR13 model and random number generator seeds of −1, −2, −3, −4, −5. 28. b Comparisons of horizontal “towed” spectra, at the depth of 700 m. A single realization is used. 74. The autospectrum was estimated using the multitaper method with 8 tapers and a time-bandwidth product of 4. 77. The discretization of the sampling in wavenumber space is evident as a “stair-step” appearance in the theoretical curve at higher wavenumbers.

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