Results 21 to 30 of about 205,850 (297)

An extended Levinson-Durbin algorithm and its application in mixed excitation linear prediction

open access: yesHeliyon, 2018
Ten order all-pole model is used in the 2400 bit/second mixed excitation linear prediction to describe human vocal tract. Traditional Levinson-Durbin algorithm is one of the methods to solve the Yule-Walker equations conducted by the ten order linear ...
Dong Xiao   +4 more
doaj   +1 more source

Underwater Acoustic Research Trends with Machine Learning: General Background

open access: yes한국해양공학회지, 2020
Underwater acoustics that is the study of the phenomenon of underwater wave propagation and its interaction with boundaries, has mainly been applied to the fields of underwater communication, target detection, marine resources, marine environment, and ...
Haesang Yang   +3 more
doaj   +1 more source

A Novel Multi-Scale Adaptive Convolutional Network for Single Image Super-Resolution

open access: yesIEEE Access, 2019
Recently, the methods based on deep convolutional neural networks have shown superior performance on image restoration. By using a faster and deeper network, the existing methods have achieved the breakthroughs in speed and accuracy. But, they still work
Peng Liu, Ying Hong, Yan Liu
doaj   +1 more source

Deep Differential Convolutional Network for Single Image Super-Resolution

open access: yesIEEE Access, 2019
The deep convolutional neural networks and residual networks have shown great success and high-quality reconstruction for single image super-resolution.
Peng Liu, Ying Hong, Yan Liu
doaj   +1 more source

Design and research on impact resistance characteristics of vector hydrophone application platform [PDF]

open access: yesMATEC Web of Conferences, 2019
On the basis of the analysis of the impact resistance of the application platform of the vector hydrophone is analysed , this paper designed single-stage and two-stage vibration isolation system based on rubber damper by using its characteristics of ...
Zhao Tianji, Chen Hongjuan
doaj   +1 more source

CDMA for Underwater Acoustic Communication

open access: yesCoRR, 2021
This paper provides an overview of how and why acoustic waves are important for underwater communication when compared with radio and optical waves, underwater acoustic channel, it's characteristics and model. Also about the underwater sensor architecture, challenges faced by sensor nodes in the network and Media Acess Control(MAC) protocol solutions ...
Lokesh Bommisetty   +4 more
openaire   +3 more sources

Sound Scattering and Its Reduction by a Janus Sphere Type [PDF]

open access: yes, 2014
Copyright © 2014 Delyia Kim et al. 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.Sound
Kim, D, Miloh, T, AVITAL, E
core   +1 more source

Multi-Branch Deep Residual Network for Single Image Super-Resolution

open access: yesAlgorithms, 2018
Recently, algorithms based on the deep neural networks and residual networks have been applied for super-resolution and exhibited excellent performance.
Peng Liu, Ying Hong, Yan Liu
doaj   +1 more source

SotonAUV: the design and development of a small, manoeuvrable autonomous underwater vehicle [PDF]

open access: yes, 2008
The University of Southampton's entry into the Student Autonomous Underwater Challenge-Europe (SAUC-E) 2007 was a custom designed and built autonomous underwater vehicle (AUV) named 'SotonAUV'.
Sharkh, S.M.   +12 more
core   +1 more source

Acoustic Shooting and Bounce Ray Method for Calculating Echoes of Complex Underwater Targets

open access: yesApplied Sciences, 2022
The acoustic scattering characteristics of a target are of great significance to the design of underwater acoustic detection systems. With the improvement in underwater weapon detection ability, the precision and accuracy of underwater target echo ...
Gang Zhao   +4 more
doaj   +1 more source

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