Free-field characterization of locally reacting sound absorbers using Bayesian inference with sequential frequency transfer
The in situ absorption characteristics of sound-absorbing samples are generally estimated
inversely from sound field measurements above the sample's surface. However, the entire …
inversely from sound field measurements above the sample's surface. However, the entire …
Electromagnetic channel model for near field MIMO systems in the half space
In most multiple-input multiple-output (MIMO) communication systems, the amount of
information that can be transmitted reliably depends on the effective degrees of freedom …
information that can be transmitted reliably depends on the effective degrees of freedom …
On the area-averaged effective sound absorption coefficient of porous materials excited by a monopole
F Sgard, N Atalla, O Robin, A Berry - The Journal of the Acoustical …, 2024 - pubs.aip.org
The area-averaged effective sound absorption coefficient (SAC) of a rigid-backed
homogeneous porous material subjected to a monopole excitation is calculated as the …
homogeneous porous material subjected to a monopole excitation is calculated as the …
In situ sound absorption estimation with the discrete complex image source method
Estimating the sound absorption in situ relies on accurately describing the measured sound
field. Evidence suggests that modeling the reflection of impinging spherical waves is …
field. Evidence suggests that modeling the reflection of impinging spherical waves is …
[PDF][PDF] Concepts for Frequency Sweeps and Efficient Repeated Analysis in the Context of Vibroacoustic Optimization and Uncertainty Quantification
S Marburg - International Journal of Acoustics & Vibration, 2024 - iiav.org
This paper aims at passive noise control for vibroacoustic problems, which are analyzed by
finite and boundary element techniques. The author distinguishes interior and exterior …
finite and boundary element techniques. The author distinguishes interior and exterior …
Experiment-driven Simplification of Johnson-Champoux-Allard-Lafarge Model for Fibrous Materials
Widely used empirical and semi-phenomenological models lack practicality due to unstable
predictions or reliance on numerous parameters that are not directly measurable. This paper …
predictions or reliance on numerous parameters that are not directly measurable. This paper …
[PDF][PDF] Probabilistic Estimation of the Oblique Incidence Sound Absorption Coefficient-A Numerical Concept Study
The in situ absorption characteristics of sound absorbing panels can be inversely estimated
from sound field measurements above a specimen under free-field conditions or in a semi …
from sound field measurements above a specimen under free-field conditions or in a semi …
[PDF][PDF] Eine hybride Deep-Learning-Zwei-Mikrofon-Impedanzrohr-Methode zur Vorhersage der Schallausbreitungscharakteristika in porösen Medien
Zur Bestimmung der Schallausbreitungscharakteristika mittels der traditionellen Zwei-
Kavitäten-Methode [4] müssen zwei voneinander unabhängige Messungen mit der …
Kavitäten-Methode [4] müssen zwei voneinander unabhängige Messungen mit der …
[PDF][PDF] RESPUESTA HIDROACÚSTICA EN FRECUENCIA DE UN ENTORNO MARINO ESTRATIFICADO USANDO UN MÉTODO DISCRETO DE IMÁGENES …
El modelado hidroacústico y la predicción mecánica precisa de la respuesta de frecuencia
de ambientes costeros submarinos es una tarea muy desafiante ya que requiere manejar …
de ambientes costeros submarinos es una tarea muy desafiante ya que requiere manejar …