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Journal of applied research and technology
versión On-line ISSN 2448-6736versión impresa ISSN 1665-6423
Resumen
VELAZQUEZ, J.M.; RAMIREZ, A. y VARGAS, C.A.. Time reversibility in acoustic signals. J. appl. res. technol [online]. 2004, vol.2, n.2, pp.107-115. ISSN 2448-6736.
In this work we make a description of the time reversion problem in sound waves. Our objective is to explain the phenomena through the Fourier transform of the Green's function. With this function it is possible to characterize the propagation of the emitted signal. It also can be used to express the time-reversed signal in such a way that we can select precisely the destination site of the signal. Finally, we show some possible practical applications of this problem.
Palabras llave : Green's Functions; Time Reversal Process; Inverse Scattering Analysis; Acoustics.