Finite-difference, time-domain analysis of a folded acoustic transmission line |
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Authors: | Jackson Charles M |
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Affiliation: | Raytheon Space and Airborne Systems, El Segundo, CA 90245, USA. c.jackson@ieee.org |
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Abstract: | Recently designed, modern versions of renais sance woodwind instruments such as the recorder and serpent use square cross sections and a folded acoustic transmission line. Conventional microwave techniques would expect that this bend would cause unwanted reflections and impedance discontinuities. This paper analyses the folded acoustic transmission line using finite-difference, time-domain techniques and shows that the discontinuity can be compensated with by the use of a manufacturable method. |
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