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This paper describes the use of the microwave techniques of time domain reflectometry (TDR) and de-embedding in an acoustical application. Two methods of calibrating the reflectometer are presented to evaluate the consistency of the method. Measured and modeled S-parameters of woodwind instruments are presented. The raw measured data is de-embedded to obtain an accurate measurement. The acoustic TDR setup is described.
Ultrasonics, Ferroelectrics and Frequency Control, IEEE Transactions on (Volume:52 , Issue: 7 )
Date of Publication: July 2005