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handle: 10261/6968
[ES] La medida del retardo entre señales puede ser realizada mediante su análisis en el dominio de la frecuencia. En este trabajo se estudia la estimación de estos tiempos, con resolución inferior a un periodo de muestreo, a partir de las curvas de fase de las señales. Se describen las condiciones en que puede ser utilizado, y se estudia la influencia que sobre las estimaciones tiene el ruido presente en la señal.
5 pp.-- PACS nr.: 43.58.Dj.-- Comunicación presentada en los siguientes congresos: II Congreso Iberoamericano de Acústica. XXXI Congreso Nacional de Acústica – TecniAcústica 2000. II Jornadas Iberoamericanas de Ultrasonidos. II Congreso Ibérico de Acústica. EAA Symposium on Architectural Acoustics (Madrid, 16-20 Octubre 2000).
[EN] Time delay measurements can be performed by frequency domain signal analysis. Estimation of time delays, with resolution lower than the sampling period, using the phase curve is analysed, and influence of noise in estimations is presented, in order to determine under what conditions the method can be applied.
Este trabajo ha sido financiado por los proyectos de investigación CAM07T/0041/98 y TIC-2F97-2290.
Publicado también en número especial de la Revista de Acústica, Vol. XXXI, año 2000.
Peer reviewed
Phase curve, Low resolution, Time delay measurements, Frequency domain signal analysis, Influence of noise
Phase curve, Low resolution, Time delay measurements, Frequency domain signal analysis, Influence of noise
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