Estudio de la propagacin de ondas Ultrasnicas en capas de Siporoso: Estudio preliminar en monocapas (Spanish Edition),Used

Estudio de la propagacin de ondas Ultrasnicas en capas de Siporoso: Estudio preliminar en monocapas (Spanish Edition),Used

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Brand: Eae Editorial Academia Espanola
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En este trabajo por primera vez en el IFUAP se sientan las bases experimentales de dicho estudio abordando el problema en el rgimen de frecuencias de MHz. Se determinaron algunas caractersticas del SP que podan influir en la propagacin de ondas acsticas: porosidad, espesor y tamao de poro. Estos datos tambin permiten determinar el volumen de las monocapas y la densidad de masa que se compara con dos modelos para SP, siendo el de Hideyuki Unno consistente con este trabajo. Tambien se desarrollo una metodologa muy completa para separar las monocapas de SP de su sustrato de silicio para evitar su influencia como interfase. Para la propagacin de ondas acsticas, se obtuvieron los espectros de transmitancia de las mismas en funcin de la frecuencia mediante la aplicacin de la Transformada Rpida de Fourier (FFT) de los datos obtenidos experimentalmente en el rgimen de tiempo.

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