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Comparative Analysis of the Ways to Increase Signal to Noise Ratio at NDT Inspection of Austenitic Welds

V.Grebennikov, V.Badalyan, D.Grebennikov, A.Vopilkine
Scientific and production centrer "ECHO+", 1, Kurchatov sq., Moscow, 123182, Russia,
Tel: +7-095-196-91-91; Fax: +7-095-935-73-90;
E-mail : echo.ndt@ g23.relcom.ru







  1. Handbook on ultrasonic examination of austenitic welds. Doc. IIS-IIW-836-85.
  2. Testing of austenitic steel welded joints, PNAE G-7-032-91, Moscow, CNIIatominform, 1992 (in Russian).
  3. V.V. Grebennikov, A. K. Gurvich, M. V. Grigoriev, Multifrequency method of ultrasonic testing of austenitic welds, Defectoskopiya, 1974, No1, p. 81-89 (in Russian).
  4. V.V. Grebennikov, A. K. Gurvich, State of art in ultrasonic testing of austenitic welds, Defectoskopiya, 1985,No 9, p. 3-12 (in Russian).
  5. V. G. Badalyan, A. K. Vopilkin and others, Computer based system for ultrasonic testing with coherent data treatment, Defectoskopiya, 1993, No 1, p.3-15 (in Russian).
  6. V. G. Badalyan, E.G. Basulin, Digital reconstruction of images of reflectors using projection in spectral space technique. Soviet Acoustical Journal, vol. XXXIV, 2, 1988 (in Russian).

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