A method of initial search region reduction for acoustic localization in distributed systemsAstapov, Sergei; Berdnikova, Julia; Preden, Jürgo-SörenProceedings of the 20th International Conference Mixed Design of Integrated Circuits and Systems : MIXDES 2013, Gdynia, Poland, June 20-22, 20132013 / p. 451-456 : ill A practical approach to cognitive sonar performance modelingBerdnikova, JuliaInfo- ja kommunikatsioonitehnoloogia doktorikooli IKTDK neljanda aastakonverentsi artiklite kogumik : 26.-27. novembril 2010, Essu mõis2010 / lk. 83-87 : ill A two-stage approach to 2D DOA estimation for a compact circular microphone arrayAstapov, Sergei; Berdnikova, Julia; Preden, Jürgo-Sören2015 4th International Conference on Informatics, Electronics & Vision (ICIEV) : [proceedings]2015 / [6] p. : ill A two-stage approach to 2D DOA estimation for a compact circular microphone arrayAstapov, Sergei; Berdnikova, Julia; Preden, Jürgo-Sören2015 4th International Conference on Informatics, Electronics & Vision (ICIEV) : [abstracts]2015 / p. 74-75 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 Advanced forward-looking sonar and imagery data processingBerdnikova, Julia; Koževnikov, Valeri; Zamarajev, J.; Raja, AimurElektronika ir elektrotechnika = Electronics and electrical engineering2010 / 4, p. 55-58 : ill https://eejournal.ktu.lt/index.php/elt/article/view/9876 Advances in moving speaker acoustic localization for operation in distributed systemsAstapov, Sergei; Berdnikova, Julia; Preden, Jürgo-SörenInfo- ja kommunikatsioonitehnoloogia doktorikooli IKTDK seitsmenda aastakonverentsi artiklite kogumik : 15.-16. novembril 2013, Haapsalu2013 / p. 9-12 : ill Assessment of the proportion of anthropogenic underwater noise levels in passive acoustic monitoringMustonen, Mirko; Klauson, Aleksander; Berdnikova, Julia; Tommingas, MihkelProceedings of Meetings on Acoustics2018 / art. 070003, 10 p.: ill http://doi.org/10.1121/2.0000939 Composite predictive speaker acoustic localization in distributed sensor networksAstapov, Sergei; Berdnikova, Julia; Preden, Jürgo-SörenProceedings of the 8th Annual Conference of the Estonian National Doctoral School in Information and Communication Technologies : December 5-6, 2014, Rakvere2014 / p. 15-18 : ill Data post-processing algorithms for active forward-looking sonar systemBerdnikova, JuliaInfo- ja kommunikatsioonitehnoloogia doktorikooli IKTDK viienda aastakonverentsi artiklite kogumik : 25.-26. novembril 2011, Nelijärve2011 / p. 79-82 : ill Data post-processing algorithms for active forward-looking sonar systemBerdnikova, Julia; Kozevnikov, V.; Ruuben, Toomas; Raja, AimurElektronika ir elektrotechnika = Electronics and electrical engineering2011 / p. 43-46 : ill Gunshot acoustic component localization with distributed circular microphone arraysAstapov, Sergei; Ehala, Johannes; Berdnikova, Julia; Preden, Jürgo-SörenDSP 2015 : 2015 IEEE International Conference on Digital Signal Processing (DSP) : 21-24 July 2015, Singapore2015 / p. 1186-1190 : ill Gunshot acoustic event identification and shooter localization in a WSN of asynchronous multichannel acoustic ground sensorsAstapov, Sergei; Berdnikova, Julia; Ehala, Johannes; Kaugerand, Jaanus; Preden, Jürgo-SörenMultidimensional systems and signal processing2018 / p. 563-595 : ill https://doi.org/10.1007/s11045-017-0479-7 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Optimal waveform selection for software defined data acquisition systemRuuben, Toomas; Berdnikova, Julia; Müürsepp, Ivo; Madar, UrveProceedings of the Fourth European Conference on Antennas and Propagation : EuCAP 2010 : Barcelona, Spain, 12-16 April 20102010 / p. 3268-3272 Optimized acoustic localization with SRP-PHAT for monitoring in distributed sensor networksAstapov, Sergei; Berdnikova, Julia; Preden, Jürgo-SörenInternational journal of electronics and telecommunications2013 / p. 383-390 : ill Predictive acoustic localization and speaker tracking for distributed sensor networksAstapov, Sergei; Berdnikova, Julia; Preden, Jürgo-Sören2014 13th International Conference on Control, Automation, Robotics & Vision (ICARCV 2014) : Marina Bay Sands, Singapore, 10-12th December 20142014 / p. 833-838 : ill Probe signals with nonrectangular envelopeMüürsepp, Ivo; Berdnikova, Julia; Ruuben, Toomas; Madar, UrveElektronika ir elektrotechnika = Electronics and Electrical Engineering2010 / 5, p. 99-102 : ill Resolution and Doppler tolerance of cognitive system waveformsBerdnikova, Julia; Ruuben, Toomas; Müürsepp, Ivo; Lossmann, EerikElektronika ir elektrotechnika = Electronics and electrical engineering2010 / 7, p. 101-104 : ill Shooter localization by networked multichannel acoustic ground sensorsAstapov, Sergei; Berdnikova, Julia; Ehala, Johannes; Preden, Jürgo-Sören2015 IEEE International Conference on Signal and Image Processing Applications (ICSIPA) : Kuala Lumpur, Malaysia, 19-21 October 2015 : [proceedings]2015 / p. 332-337 : ill http://dx.doi.org/10.1109/ICSIPA.2015.7412214 Shooter localization by networked multichannel acoustic ground sensorsAstapov, Sergei; Berdnikova, Julia; Ehala, Johannes; Preden, Jürgo-SörenIEEE ICSIPA 2015 : 2015 IEEE International Conference on Signal and Image Processing Applications (ICSIPA) : 19-21 October, 2015, Hotel Pullman Kuala Lumpur Bangsar : program book2015 / p. 46 Simplified acoustic localization by linear arrays for wireless sensor networksAstapov, Sergei; Preden, Jürgo-Sören; Berdnikova, Julia2013 18th International Conference on Digital Signal Processing (DSP) : 1-3 July 2013, Nomikos Conference Centre, Santorini, Greece2013 / [6] p. : ill SNR estimation in HF communications channelRuuben, Toomas; Meister, Mari-Anne; Lossmann, Eerik; Berdnikova, Julia; Madar, Urve6th European Conference on Antennas and Propagation (EUCAP)2012 / p. 2013-2015 : ill https://ieeexplore.ieee.org/document/6205874 Software defined short-range naval surveillance radarTaklaja, Andres; Madar, Urve; Müürsepp, Ivo; Ruuben, Toomas; Berdnikova, JuliaSoftware Defined Radar : proceedings of the NATO Research & Technology Organisation (RTO) : SET-136 Specialist Meeting on "Software Defined Radar" : Lisbon (Portugal), June 23-25, 20092009 / ? p