POWERFUL SOURCES OF PULSE HIGH-FREQUENCY ELECTROMECHANICAL TRANSDUCERS FOR MEASUREMENT, TESTING AND DIAGNOSTICS Journal title: Електротехніка і Електромеханіка Authors: S.Yu. Plesnetsov, O.N. Petrishchev, R.P. Mygushchenko, G.M. Suchkov, S.V. Sotnik, O.Yu. Kropachek Subject(s):