Abstract
The objective of this paper is to show that time-reversal invariance can be exploited in acoustics to accurately control wave propagation through random media as well as through chaotic reverberating cavities. To illustrate these concepts, several experiments are presented. They show that chaotic dynamics reduce the number of transducers needed to insure an accurate time-reversal experiment. Multiple scattering in random media and multiple reflection in chaotic cavities enhance resolution in time-reversal acoustics by making the effective size of the time reversal mirror (TRM) much larger than its physical size. Comparisons with phase-conjugated experiments show that this effect is typical of broadband time reversed acoustics and is not observed in monochromatic phase conjugation. Self averaging properties of broadband time reversal experiments are emphasized.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
