Results 21 to 30 of about 17,458,924 (340)

Research on reverberation characteristics analysis and suppression methods for active continuous detection [PDF]

open access: yesMATEC Web of Conferences, 2019
Compared with the traditional active detection with monopulse periodic emission mode, active continuous detection has the advantages of large emission duty ratio and continuous acquisition of process information.
Chen Tuo, Ma Qiming, Zhou Zheyuan, Lu He
doaj   +1 more source

Reverberation-Time Meter [PDF]

open access: yesThe Journal of the Acoustical Society of America, 1939
A portable direct-reading apparatus for the measurement of rate of decay of sound will be described.
openaire   +1 more source

Linear frequency modulated reverberation suppression using time series models

open access: yesIndonesian Journal of Electrical Engineering and Computer Science, 2022
When active radar and sonar systems are used for target detection and tracking, boosting target detection, and tracking efficiency is the most important challenge in real-time reverberation.
J. V. Suman, M. Hema, B. Jagadeesh
semanticscholar   +1 more source

Experimental Study on Source Level Estimation Techniques of Underwater Sound Source in Reverberant Water Tank [PDF]

open access: yes한국해양공학회지, 2019
The acoustic power is used as a primary index characterizing underwater sound sources and could be defined by its source level. The source level has been assessed using various experimental techniques such as the reverberation time method and reverberant
Kookhyun Kim
doaj   +1 more source

Estimation of Reverberation Time in Classrooms Using the Residual Minimization Method

open access: yesArchives of Acoustics, 2017
The objective of the residual minimization method is to determine a coefficient correcting the Sabine’s model. The Sabine’s equation is the most commonly applied formula in the designing process of room acoustics with the use of analytical methods.
Artur Nowoświat, Marcelina Olechowska
semanticscholar   +3 more sources

Effects of Varying Reverberation on Music Perception for Young Normal-Hearing and Old Hearing-Impaired Listeners

open access: yesTrends in Hearing, 2018
Reverberation enhances music perception and is one of the most important acoustic factors in auditorium design. However, previous research on reverberant music perception has focused on young normal-hearing (YNH) listeners.
Paul N. Reinhart, Pamela E. Souza
doaj   +1 more source

Fast reverberation-reduction algorithm based on inexact matrix decomposition [PDF]

open access: yesJASA Express Letters
Traditionally, matrix-based methods for reverberation reduction have prioritized a high signal-to-reverberation ratio over low time consumption. This letter describes a fast reverberation-reduction algorithm.
Yunchao Zhu   +3 more
doaj   +1 more source

Experimental Study of the Sound Emission Pattern Based on Acoustic Characteristics in Typical Industrial Manufactories in Hamadan, Iran [PDF]

open access: yesMuhandisī-i bihdāsht-i ḥirfah/ī, 2023
Background and Objective: Noise pollution inside buildings is caused by frequent sound reflection from their inner surfaces. The purpose of this study is to experimentally study the sound emission pattern based on acoustic characteristics in typical ...
Seyedeh Elahe Hosseini   +3 more
doaj  

The Impact of Surface Scattering on Reverberation Time in Differently Shaped Spaces

open access: yesApplied Sciences, 2020
In terms of the overall diffusion sound field, the inherent diffusion state of the space and the scattering coefficient of indoor surfaces work jointly to diffuse sound energy. This study has investigated the impact of surface scattering on reverberation
Xiangdong Zhu, Jian Kang, Hui Ma
semanticscholar   +1 more source

A Revised Sound Energy Theory Based on a New Formula for the Reverberation Radius in Rooms with Non-Diffuse Sound Field

open access: yesArchives of Acoustics, 2014
This paper discusses the concept of the reverberation radius, also known as critical distance, in rooms with non-uniformly distributed sound absorption.
Higini ARAU-PUCHADES, Umberto BERARDI
doaj   +1 more source

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