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Caracterización de Arenas y Gravas con Ondas Elásticas

Caracterización de Arenas y Gravas con Ondas Elásticas

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Doctorado en Ingeniería - Facultad <strong>de</strong> Ingeniería - Universidad Nacional <strong>de</strong> Cuyo - Año 2007<br />

Lic. Armando Luis Imhof<br />

b) Señales <strong>de</strong> muestras #8-#20<br />

y1a data3 2 〈〉<br />

:= y2a data3 3 〈〉<br />

:= y3a data3 4 〈〉<br />

:=<br />

y4a data3 5 〈〉<br />

:= y5a data3 6 〈〉<br />

:= y6a data3 7 〈〉<br />

:=<br />

y1c data4 2 〈〉<br />

:= y2c data4 3 〈〉<br />

:= y3c data4 4 〈〉<br />

:=<br />

y4c data4 5 〈〉<br />

:= y5c data4 6 〈〉<br />

:= y6c data4 7 〈〉<br />

:=<br />

zero padding...<br />

y1azp := stack( y1a, x)<br />

y2azp := stack( y2a, x)<br />

y3azp := stack( y3a, x)<br />

y4azp := stack( y4a, x)<br />

y5azp := stack( y5a, x)<br />

y6azp := stack( y6a, x)<br />

y1czp := stack( y1c, x)<br />

y2czp := stack( y2c, x)<br />

y3czp := stack( y3c, x)<br />

y4czp := stack( y4c, x)<br />

y5czp := stack( y5c, x)<br />

y6czp := stack( y6c, x)<br />

NOTA: en las figuras inferiores el trigger posicionado en tiempo=500 microseg.<br />

DFT...<br />

Y1AZP := CFFT( y1azp)<br />

Y2AZP := CFFT( y2azp)<br />

Y5AZP := CFFT( y5azp)<br />

Y3AZP := CFFT( y3azp)<br />

Y4AZP := CFFT( y4azp)<br />

Y6AZP := CFFT( y6azp)<br />

Y1CZP := CFFT( y1czp)<br />

Y2CZP := CFFT( y2czp)<br />

Y5CZP := CFFT( y5czp)<br />

Y3CZP := CFFT( y3czp)<br />

Y4CZP := CFFT( y4czp)<br />

Y6CZP := CFFT( y6czp)<br />

A <strong>con</strong>tinuación los espectrogramas individuales y luego en <strong>con</strong>junto <strong>de</strong>l ensayo #8-#20 Abultado.<br />

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