Multirate Processing
Mostrando 1-5 de 5 artigos, teses e dissertações.
-
1. IMPLEMENTATION AND OPTIMIZATION OF A DIGITAL REVERBERATOR ARCHITECTURE APPLYING MULTIRATE PROCESSING TECHNIQUES OVER A RECONFIGURABLE PLATFORM / IMPLEMENTAÇÃO E OTIMIZAÇÃO DE UMA ARQUITETURA DE REVERBERAÇÃO DIGITAL EMPREGANDO TÉCNICAS DE PROCESSAMENTO MULTITAXA SOBRE PLATAFORMA RECONFIGURÁVEL
Este trabalho apresenta uma proposta de otimização para uma arquitetura de reverberação digital, empregando técnicas de processamento multitaxa sobre uma plataforma reconfigurável. A reverberação é um dos efeitos acústicos de maior ocorrência em nossa vida. Porém, apesar de muito comum, este fenômeno é muitas vezes imperceptível. Destaca-se qu
Publicado em: 2009
-
2. ESTIMAÇÃO DE HARMÔNICOS/INTER-HARMÔNICOS: UMA ABORDAGEM MULTITAXA
This dissertation discusses parameter estimation of harmonics/inter-harmonics of electrical signals under time-varying conditions. Two new suitable approaches for processing this kind of signals are proposed. The first one is based on phase error of DFT (Discrete Fourier Transform) result, occurring due to the frequency deviation of input signal. This method
Publicado em: 2008
-
3. SIMULATOR FOR ELECTRIC POWER NETWOKS TRANSIENT ANALYSIS / SIMULAÇÃO PARA ANÁLISE TRANSITÓRIA DE REDES ELÉTRICAS DE POTÊNCIA
Most of present day electric power network simulation techniques are based on computational platforms of the EMTP type. Basically, following this approach, the simulation method transforms the electric lumped components and the network topology into a recursive mathematical procedure. For each new integration step the network solution is evaluated as a funct
Publicado em: 2002
-
4. TÉCNICAS DE SIMULAÇÃO DE REDES ELÉTRICAS E LINHAS DE TRANSMISSÃO / SIMULATION TECHNIQUE OF ELECTRICAL NETWORK AND TRANSMISSION LINE
This work discusses techniques for electrical network digital simulation, emphasizing real time operation. The networks contain transmission lines as distributed elements and RLC elements as lumped parameters, although many of the results are not restricted to these elements. Transmission line modeling is considered first, comparing two of the methods found
Publicado em: 1997
-
5. Investigating the effects of stimulus duration and context on pitch perception by cochlear implant users
Cochlear implant sound processing strategies that use time-varying pulse rates to transmit fine structure information are one proposed method for improving the spectral representation of a sound with the eventual goal of improving speech recognition in noisy conditions, speech recognition in tonal languages, and music identification and appreciation. However
Acoustical Society of America.