Title :
Use of complex frequencies to characterize lossy materials
Author :
Ballato, Arthur ; Pastore, R.A., Jr.
Author_Institution :
U.S. Anny Commun. Electron. Command, Fort Monmouth, NJ, USA
Abstract :
We discuss the notion of complex frequencies, and indicate how they may be used to determine material parameters in piezoelectrics where acoustic losses cannot be neglected
Keywords :
absorbing media; piezoelectric materials; acoustic loss; complex frequency; lossy material; piezoelectric material; Acoustic materials; Admittance; Composite materials; Crystalline materials; Frequency domain analysis; Piezoelectric materials; Q factor; RLC circuits; Resonance; Voltage;
Conference_Titel :
Ultrasonics Symposium, 2001 IEEE
Conference_Location :
Atlanta, GA
Print_ISBN :
0-7803-7177-1
DOI :
10.1109/ULTSYM.2001.991645
