Formation and processing of the orthogonal sounding signals in multichannel sonarsDuhnik, Alina; Koževnikov, ValeriBEC 2002 : proceedings of the 8th Biennial Baltic Electronics Conference : October 6-9, 2002, Tallinn, Estonia2002 / p. 191-194 : ill

Interaction of the PSK signal with a phase arrayArro, Ilmar; Duhnik, Alina; Derkatš, JuliaElektronika ir elektrotechnika = Electronics and electrical engineering2002 / 3, p. 50-52 : ill

Külgvaatlussonari sondeeriva signaali modelleerimineDuhnik, AlinaRinghääling 2003 : X rahvusvahelise telekommunikatsioonipäeva materjalid2003 / lk. 84-89 : ill

Multichannel multibeam sonar system [Electronic resource]Arro, Ilmar; Derkatš, Julia; Duhnik, AlinaUDT Europe 2002 : Undersea Defence Technology : conference and exhibition2002 / [5] p. [CD-ROM]

Sidescan sonar with high resolution [Electronic resource]Arro, Ilmar; Duhnik, Alina; Koževnikov, ValeriUDT Europe 2003 : Undersea Defence Technology : conference & exhibition, Malmö, Sweden, 24-26 June 2003 : conference proceedings2003 / [9] p. : ill. [CD-ROM]