Title :
An Electroacoustical System
Author_Institution :
Head of the department of electrical engineering, Pennsylvania State College, State College, Pa.
Keywords :
Airplanes; Azimuth; Explosives; Materials testing; Oceans; Sea surface; Sediments; Signal detection; Sonar equipment; Underwater vehicles;
Journal_Title :
American Institute of Electrical Engineers, Transactions of the
DOI :
10.1109/T-AIEE.1948.5059639