Li, JJLiMorgans, ASASMorgans2015-07-3120142015-07-3120142014http://hdl.handle.net/10044/1/2541131.07.15 KB. Ok to add accepted version, permission given by IIAV© 2014 IIAV. By permission of the International Institute of Acoustics and Vibration (IIAV).Conference Paperhttp://www.iiav.org/archives_icsv_last/2014_icsv21/index.html