A method to improve instationary force error estimates for undulatory swimmersTuhtan, Jeffrey Andrew; Toming, Gert; Ruuben, Toomas; Kruusmaa, MaarjaUnderwater technology2016 / p. 141-151 : ill https://doi.org/10.3723/ut.33.141 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 FFT and block-phase beamforming for sensor arraysRuuben, ToomasProceedings of the conference "Undersea Defense Technology Europe 2005" : June 21-23, 2005, Amsterdam2005 / p. ? 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 High resolution multi-beam sonar [Electronic resource]Arro, Ilmar; Portsmuth, Raivo; Ruuben, ToomasUDT Europe 2000 : conference proceedings2000 / [6] p. : ill. [CD-ROM] Improved mitigation of self-phase modulation induced impairments in 28 GBaud phase-sensitive amplified linksAstra, Egon; Eliasson, Henrik; Ruuben, Toomas; Andrekson, Peter AvoOptics express2019 / p. 4304-4316 : ill https://doi.org/10.1364/OE.27.004304 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Mobiilsed sisuteenused ja GSM-tehnoloogiadRuuben, ToomasA & A2004 / 1, lk. 21-27 : ill Mobiilsed sisuteenused ja USSD-tehnoloogiaRuuben, ToomasA & A2004 / 3, lk. 34-44 Multibeam sonar with spread spectrum signalsArro, Ilmar; Ruuben, Toomas; Koževnikov, ValeriUDT Europe 2001 : Undersea Defence Technology : conference and exhibition : Hamburg, 26-28 June, 2001 : conference proceedings2001 / [6] p 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 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 Route planning in asymetric military environmentsRuuben, Toomas; Kreison, Ove2013 Second International Conference on Future Generation Communication Technology (FGCT) : December 12-14, 2013, City Conference Center, Holborn, London2013 / p. 73-80 : ill Sniper line-of sight calculations for route planning in asymmetric military environmentsKreison, Ove; Ruuben, ToomasModelling and Simulation for Autonomous Systems : Third International Workshop, MESAS 2016, Rome, Italy, June 15-16, 2016 : revised selected papers2016 / p. 359-370 : ill http://dx.doi.org/10.1007/978-3-319-47605-6_29 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 Some method of signal processing and beamforming in hydrographic applicationsRuuben, Toomas; Derkatš, JuliaElektronika ir elektrotechnika = Electronics and electrical engineering2008 / 6, p. 27-32 : ill Some signal processing aspects in software defined radiosMeister, Ants; Ruuben, ToomasElektronika ir elektrotechnika = Electronics and electrical engineering2008 / 4, p. 97-100 : ill The dynamics of signals with spread spectrum in sensor arrays [Electronic resource]Ruuben, ToomasUDT Europe 2002 : Undersea Defence Technology : conference and exhibition2002 / [9] p. [CD-ROM] The dynamics of signals with spread spectrum in sensor arrays, some aspects of digital beamformingRuuben, Toomas2nd European Conference on Antennas and Propagation : EuCAP 2007 : 11-16 November 2007 EICC, Edinburgh, UK2007 / [8] p. : ill https://ieeexplore.ieee.org/document/4458732 The influence of the changes of wave propagation speed on sensor arrays [Electronic resource]Ruuben, ToomasUDT Europe 2003 : Undersea Defence Technology : conference & exhibition, Malmö, Sweden, 24-26 June 2003 : conference proceedings2003 / [10] p. : ill. [CD-ROM] Transmission fiber nonlinearity mitigation in optical communication links using phase-sensitive parametric amplifiers = Edastusfiibri mittelineaarsete mõjutuste vähendamine optilistes sidesüsteemides faasitundlike parameetriliste võimendite abilAstra, Egon2019 https://digikogu.taltech.ee/et/Item/2a85df1e-6c58-45ef-8814-29510894bfc3 Wideband digital beamforming in sonar systems = Suunadiagrammide digitaalne formeerimine laiaribalistes sonarsüsteemidesRuuben, Toomas2009 https://www.ester.ee/record=b2498198*est