Results 141 to 150 of about 110,377 (256)

Microcontroller-based Feedback Active Noise Control

open access: yesRevista Elektrón, 2018
This work describes an active noise control system implementation with reduced, low cost hardware using the EDU-CIAA-NXP board. The filtered-X LMS algorithm is described in its feedforward and feedback configurations, and design details for anti-alias ...
Pablo Tomás Bernadí, Pablo Gomez
doaj  

Elementos finitos en desplazamiento para interacción fluido acústico–estructura

open access: yesIngeniería y Ciencia, 2007
Este artículo compara dos formulaciones en elementos finitos utilizadas para resolver problemas de fluidos acústicos interactuando con elementos estructurales, empleando formulaciones basadas en desplazamiento como variable de estado utilizada para ...
Santiago Correa V
doaj  

Acústica em salas de aula [PDF]

open access: yes, 2010
As salas de aula são locais onde a existência de conforto acústico é essencial, permitindo assim garantir que se estabeleça uma boa comunicação sonora no seu interior.
Miranda, João Manuel Urmal
core  

Coherence in ongoing varieties. The effect of mesosocial and small-scale variables on the use of the intermediate (standard/vernacular) variety in southern Spain. [PDF]

open access: yes, 2019
This paper addresses some questions regarding coherence within ongoing urban varieties, such as the one boosted by urban middle-class speakers from southern Spain since the fifties of the 20th century (Villena and Vida 2017, 2018).
Molina García, Álvaro   +2 more
core  

Acoustic measurements of CPPS and AVQI pre and post speech therapy. [PDF]

open access: yesCodas, 2023
Hofman EC   +3 more
europepmc   +1 more source

A faringometria acústica: correlações clínico-instrumentais nos distúrbios do sono [PDF]

open access: gold, 2007
Matteo Gelardi   +6 more
openalex   +1 more source

Acta Acustica

open access: yesActa Acustica, 2020
Manell Zakharia
semanticscholar   +1 more source

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