TY JOUR TI IMPROVEMENT OF TECHNICAL DIAGNOSTICS OF ROAD TRANSPORT USING ANALOG-TO-DIGITAL CONVERTERS KW methods of diagnosis KW spectral analysis KW vibration signals JO Problems of risk management in the technosphere AU Skripka, A.V. AU Popov, A.V. AU Karev, I.Y. PY 2014 IS 2014 PB Saint-Petersburg University of State Fire Service of Emercom of Russia