Acoustic noise pattern detection and identification method in Doppler systemBerdnikova, Julia; Ruuben, Toomas; Kozevnikov, V.; Astapov, SergeiElektronika ir elektrotechnika = Electronics and electrical engineering2012 / p. 65-68 :ill https://eejournal.ktu.lt/index.php/elt/article/view/2632

Acoustic noise pattern detection and identification method in doppler systemBerdnikova, Julia; Ruuben, Toomas; Kozevnikov, Valeri; Astapov, SergeiInfo- ja kommunikatsioonitehnoloogia doktorikooli IKTDK kuuenda aastakonverentsi artiklite kogumik : 3.-5. oktoobril 2012, Laulasmaa2012 / p. 13-16 : ill

Pulsed and continuous-wave doppler system for blood flow measurementsKopustinskas, A.Automation, simulation & measurement : ASM'91 : 3rd biennal conference, Tallinn, October 7-11, 1991. Section A. Section M / Tallinn Technical University1992 / p. 64-69: ill