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 Richard Raspet
National Center for Physical Acoustics University of Mississippi
University, Mississippi 38677, USA
Richard Raspet is a professor emeritus
in physics and astronomy and a prin- ciple scientist at the National Center for Physical Acoustics, University, Mississippi. He was a physicist at the US Army Construction Engineering Research Laboratory, Champaign,
Illinois, from 1978 to 1987 before joining the faculty at the University of Mississippi. His research has included theoreti- cal and experimental investigations of atmospheric sound propagation, effects of turbulence and ground impedance on explosions and sonic booms, sound interaction with porous media, inert gas-condensing vapor thermoacous- tics and the theory and reduction of wind noise. Current research topics are optimization of MEMS microphones and wind noise coupling into the ground.
  About the Authors (continued)
Carl R. Hart
US Army Engineer Research and Development Center
72 Lyme Road
Hanover, New Hampshire 03755, USA
Carl R. Hart is a research physical scientist with the US Army Engineer Research and Development Center (ERDC) in Hanover, New Hampshire. He received a PhD in architectural engineering from the University of Nebraska-Lincoln in 2014. Prior to his current position, he was a postdoctoral fellow with the US Army ERDC. His research interests include outdoor sound propagation, machine learning, turbulence, and nonlin- ear acoustics. He is a reviewer for The Journal of the Acoustical Society of America and an associate member of the Acoustical Society of America.
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