Sven Peter Näsholm
Associate Professor

Research Group for Digital Signal Processing and Image Analysis
Norwegian version of this page
Email
svenpn@ifi.uio.no
Phone
+47 22840068
Room
office 4460
Username
Visiting address
OleJohan Dahls hus
Gaustadalléen 23 B
Postal address
Postboks 1080 Blindern
0316 Oslo
I'm Associate Professor of Array Signal Processing and Acoustic Imaging in the Digital Signal Processing and Image Analysis (DSB) group, which is part of the Section for Machine Learning, Department of Informatics. From January 2021, I serve as manager of the DSB research group.
Teaching
[ Array Signal Processing – IN5450 ] [ Digital Signal Processing – IN3190 ]
MSc project openings
Have a look at a list of Master project suggestions available in our research group: follow link
Intros
 Machine Learning Section news item on my background: follow link
 Recent popular scientific displays on atmospheric infrasound research:
 Titan research news site: follow link (article in Norwegian)
 Meteorology Technology International: follow link (see the feature Sound bites from page 24)
Current PhD research fellows
 Ekaterina Vorobeva  My role: cosupervisor  Main supervisor: Patrick Espy, Department of Physics, Norwegian University of Science and Technology (NTNU)  Project owner: NORSAR  Started in 2019
 Mari Dahl Eggen  My role: cosupervisor  Main supervisor: Kristina Rognlien Dahl, Department of Mathematics, University of Oslo  Project owner: NORSAR  Started in 2020
 Sander Bøe Thygesen  My role: main supervisor  Cosupervisors: Tore Sirevaag, Equanostic AS / Tonni F. Johansen, SINTEF/NTNU  Project owner: Equanostic AS  Started in 2020
 Håvard Arnestad  My role: main supervisor  Cosupervisor: Andreas Austeng  Project owner: University of Oslo  Started in 2021
 Sri Nivas Chandrasekaran  My role: cosupervisor (from 2021)  Main supervisor: Sverre Holm, Department of Physics  Project owner: University of Oslo
Publications
Researcher profiles and sites
[ Google Scholar ] [ ResearchGate ] [ ORCID ] [ Scopus ] [ ResearcherID / Publons ]

Brissaud, Quentin; Näsholm, Sven Peter; Turquet, Antoine Leo & Le Pichon, Alexis (2023). Predicting infrasound transmission loss using deep learning. Geophysical Journal International. ISSN 0956540X. 232(1), p. 274–286. doi: 10.1093/gji/ggac307. Show summary

Arnestad, Håvard; Gereb, Gabor; Lønmo, Tor Inge Birkenes; Kirkebø, Jan Egil; Austeng, Andreas & Näsholm, Sven Peter (2022). Sonar array beampattern bounds and an interval arithmetic toolbox. Proceedings of Meetings on Acoustics (POMA). ISSN 1939800X. doi: 10.1121/2.0001613. Show summary

Vergoz, Julien; Hupe, Patrick; Listowski, Constantino; Le Pichon, Alexis; Milton A., Garcés & Marchetti, Emanuele [Show all 16 contributors for this article] (2022). IMS observations of infrasound and acousticgravity waves produced by the January 2022 volcanic eruption of Hunga, Tonga: A global analysis. Earth and Planetary Science Letters. ISSN 0012821X. 591, p. 1–13. doi: 10.1016/j.epsl.2022.117639. Full text in Research Archive Show summary

Chandrasekaran, Sri Nivas; Näsholm, Sven Peter & Holm, Sverre (2022). Wave equations for porous media described by the Biot model. Journal of the Acoustical Society of America. ISSN 00014966. 151(4), p. 2576–2586. doi: 10.1121/10.0010164. Full text in Research Archive

Näsholm, Sven Peter; Iranpour, Kamran; Wüstefeld, Andreas; Dando, Benjamin; Baird, Alan F. & Oye, Volker (2022). Array Signal Processing on Distributed Acoustic Sensing Data: Directivity Effects in Slowness Space. Journal of Geophysical Research (JGR): Solid Earth. ISSN 21699313. 127(2). doi: 10.1029/2021JB023587. Full text in Research Archive Show summary

Eggen, Mari Dahl; Dahl, Kristina Rognlien; Näsholm, Sven Peter & Mæland, Steffen (2022). Stochastic Modeling of Stratospheric Temperature. Mathematical Geosciences. ISSN 18748961. 54, p. 651–678. doi: 10.1007/s11004021099906. Full text in Research Archive Show summary

Kværna, Tormod; Gibbons, Steven John & Näsholm, Sven Peter (2021). CTBT seismic monitoring using coherent and incoherent array processing. Journal of Seismology. ISSN 13834649. doi: 10.1007/s1095002110026z. Full text in Research Archive Show summary

Vorobeva, Ekaterina; De Carlo, Marine; Le Pichon, Alexis; Espy, Patrick Joseph & Näsholm, Sven Peter (2021). Benchmarking microbarom radiation and propagation model against infrasound recordings: a vespagrambased approach. Annales Geophysicae. ISSN 09927689. 39(3), p. 515–531. doi: 10.5194/angeo395152021. Full text in Research Archive

Fang, Jun; Näsholm, Sven Peter; Chen, Wen & Holm, Sverre (2020). The fractional constitutive models for nonlocal material based on scattering wave equations. Mechanics of TimeDependent Materials. ISSN 13852000. doi: 10.1007/s1104302009482w.

Vera Rodriguez, Ismael; Näsholm, S.P. & Le Pichon, Alexis (2020). Atmospheric wind and temperature profiles inversion using infrasound: An ensemble model context. Journal of the Acoustical Society of America. ISSN 00014966. 148(5), p. 2923–2934. doi: 10.1121/10.0002482.

Amezcua, Javier; Näsholm, Sven Peter; Blixt, Erik Mårten & CharltonPerez, Andrew J. (2020). Assimilation of atmospheric infrasound data to constrain tropospheric and stratospheric winds. Quarterly Journal of the Royal Meteorological Society. ISSN 00359009. 146(731), p. 2634–2653. doi: 10.1002/qj.3809.

Blixt, Erik Mårten; Näsholm, Sven Peter; Gibbons, Steven John; Evers, Laslo; CharltonPerez, Andrew & Orsolini, Yvan [Show all 7 contributors for this article] (2019). Estimating tropospheric and stratospheric winds using infrasound from explosions. Journal of the Acoustical Society of America. ISSN 00014966. 146(2), p. 973–982. doi: 10.1121/1.5120183.

Dando, Benjamin; Oye, Volker; Näsholm, Sven Peter; Zühlsdorff, Lars & Wüstefeld, Andreas (2019). Complexity in microseismic phase identification: full waveform modelling, traveltime computations and implications for event locations within the Groningen gas field . Geophysical Journal International. ISSN 0956540X. 217(1), p. 620–649. doi: 10.1093/gji/ggz017.

Gibbons, Steven John; Kværna, Tormod & Näsholm, Sven Peter (2019). Characterization of the Infrasonic Wavefield from Repeating SeismoAcoustic Events. In Le Pichon, Alexis; Blanc, Elisabeth & Hauchecorne, Alain (Ed.), Infrasound Monitoring for Atmospheric Studies: Challenges in Middle Atmosphere Dynamics and Societal Benefits. Springer. ISSN 9783319751382. p. 387–407. doi: 10.1007/9783319751405_10.

Dando, Benjamin; Oye, Volker; Näsholm, Sven Peter; Zühlsdorff, Lars; Kühn, Daniela & Wüstefeld, Andreas (2019). Complexity in microseismic phase identification: full waveform modelling, traveltime computations, and implications for event locations within the Groningen gas field. Geophysical Journal International. ISSN 0956540X. 217, p. 620–649. doi: 10.1093/gji/ggz017.

Gibbons, Steven John; Kværna, Tormod; Näsholm, Sven Peter & Mykkeltveit, Svein (2018). Probing the DPRK Nuclear Test Site down to Low‐Seismic Magnitude. Seismological Research Letters. ISSN 08950695. 89(6), p. 2034–2041. doi: 10.1785/0220180116.

Pilger, Christoph; Ceranna, Lars; Ross, J. Ole; Vergoz, Julien; Le Pichon, Alexis & Brachet, Nicolas [Show all 21 contributors for this article] (2018). The European Infrasound Bulletin. Pure and Applied Geophysics (PAGEOPH). ISSN 00334553. 175(10), p. 3619–3638. doi: 10.1007/s0002401819003.

Wüstefeld, Andreas; Greve, Solveig; Näsholm, Sven Peter & Oye, Volker (2018). Benchmarking earthquake location algorithms: A synthetic comparison. Geophysics. ISSN 00168033. 83(4), p. KS35–KS47. doi: 10.1190/geo20170317.1.

Gibbons, Steven John; Näsholm, Sven Peter; Ruigrok, Elmer & Kværna, Tormod (2018). Improving slowness estimate stability and visualization using limited sensor pair correlation on seismic arrays. Geophysical Journal International. ISSN 0956540X. 213(1), p. 447–460. doi: 10.1093/GJI/GGX550.

Gibbons, Steven John; Pabian, F; Näsholm, Sven Peter; Kværna, Tormod & Mykkeltveit, Svein (2017). Accurate relative location estimates for the North Korean nuclear tests using empirical slowness corrections. Geophysical Journal International. ISSN 0956540X. 208(1), p. 101–117. doi: 10.1093/gji/ggw379.

Blanc, Elisabeth; Ceranna, L; Hauchecorne, A.; CharltonPerez, Andrew; Marchetti, E & Evers, LG [Show all 33 contributors for this article] (2017). Toward an improved representation of middle atmospheric dynamics thanks to the ARISE project. Surveys in geophysics. ISSN 01693298. 39(2), p. 171–225. doi: 10.1007/s1071201794440.

Pandey, Vikash; Näsholm, Sven Peter & Holm, Sverre (2016). Spatial dispersion of elastic waves in a bar characterized by tempered nonlocal elasticity. Fractional Calculus and Applied Analysis. ISSN 13110454. 19(2), p. 498–515. doi: 10.1515/fca20160026.

Gibbons, Steven John; Asming, Vladimir; Eliasson, Lars; Fedorov, Andrei; Fyen, Jan & Kero, Johan [Show all 14 contributors for this article] (2015). The European Arctic: A Laboratory for Seismoacoustic Stuedies. Seismological Research Letters. ISSN 08950695. 86(3), p. 917–928. doi: 10.1785/0220140230.

Smets, PSM; Evers, LG; Näsholm, Sven Peter & Gibbons, Steven John (2015). Probabilistic infrasound propagation using realistic atmospheric perturbations. Geophysical Research Letters. ISSN 00948276. 42(15), p. 6510–6517. doi: 10.1002/2015GL064992.

Lambert, Simon A.; Näsholm, Sven Peter; Nordsletten, David; Michler, Christian; Juge, Lauriane & Serfaty, JeanMichel [Show all 10 contributors for this article] (2015). Bridging three orders of magnitude: multiple scattered waves sense fractal microscopic structures via dispersion. Physical Review Letters. ISSN 00319007. 115:094301(9). doi: 10.1103/PhysRevLett.115.094301.

Gal, Martin; Reading, Anya M.; Ellingsen, Simon P.; Koper, Keith D.; Gibbons, Steven John & Näsholm, Sven Peter (2014). Improved implementation of the fk and Capon methods for array analysis of seismic noise. Geophysical Journal International. ISSN 0956540X. 198(2), p. 1045–1054. doi: 10.1093/gji/ggu183.

Holm, Sverre & Näsholm, Sven Peter (2014). Comparison of fractional wave equations for power law attenuation in ultrasound and elastography. Ultrasound in Medicine and Biology. ISSN 03015629. 40(4), p. 695–703. doi: 10.1016/j.ultrasmedbio.2013.09.033.

Holm, Sverre; Näsholm, Sven Peter; Prieur, Fabrice Jean Gabriel & Sinkus, Ralph (2013). Deriving fractional acoustic wave equations from mechanical and thermal constitutive equations. Computers and Mathematics with Applications. ISSN 08981221. 66(5), p. 621–629. doi: 10.1016/j.camwa.2013.02.024.

Näsholm, Sven Peter (2013). Modelbased discrete relaxation process representation of bandlimited powerlaw attenuation. Journal of the Acoustical Society of America. ISSN 00014966. 133(3), p. 1742–1750. doi: 10.1121/1.4789001.

Näsholm, Sven Peter & Holm, Sverre (2013). On a fractional Zener elastic wave equation. Fractional Calculus and Applied Analysis. ISSN 13110454. 16(1), p. 26–50. doi: 10.2478/s1354001300031.

Jensen, Are Charles; Näsholm, Sven Peter; Nilsen, CarlInge Colombo; Austeng, Andreas & Holm, Sverre (2012). Applying Thomson's Multitaper Approach to Reduce Speckle in Medical Ultrasound Imaging. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. ISSN 08853010. 59(10), p. 2178–2185. doi: 10.1109/TUFFC.2012.2444. Show summary

Näsholm, Sven Peter & Angelsen, Bjørn Atle J. (2012). SURF Imaging Beams in an Aberrative Medium: Generation and Postprocessing Enhancement. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. ISSN 08853010. 59(11), p. 2588–2595. doi: 10.1109/TUFFC.2012.2494. Show summary

Prieur, Fabrice Jean Gabriel; Näsholm, Sven Peter; Austeng, Andreas; Tichy, Frank & Holm, Sverre (2012). Feasibility of Second Harmonic Imaging in Active Sonar: Measurements and Simulations. IEEE Journal of Oceanic Engineering. ISSN 03649059. 37(3), p. 467–477. doi: 10.1109/JOE.2012.2198933. Show summary

Näsholm, Sven Peter; Austeng, Andreas; Jensen, Are Charles; Nilsen, CarlInge Colombo & Holm, Sverre (2012). Capon Beamforming Applied to SecondHarmonic Ultrasound Experimental Data. Proceedings  IEEE Ultrasonics Symposium. ISSN 19485719. p. 2217–2220. doi: 10.1109/ULTSYM.2011.0550.

Jensen, Are Charles; Nilsen, CarlInge Colombo; Austeng, Andreas; Näsholm, Sven Peter & Holm, Sverre (2012). A Multitaper Approach to Speckle Reduction for Medical Ultrasound Imaging. Proceedings  IEEE Ultrasonics Symposium. ISSN 19485719. p. 397–400. doi: 10.1109/ULTSYM.2011.0095.

Austeng, Andreas; Nilsen, CarlInge Colombo; Jensen, Are Charles; Näsholm, Sven Peter & Holm, Sverre (2012). Coherent PlaneWave Compounding and Minimum Variance Beamforming. Proceedings  IEEE Ultrasonics Symposium. ISSN 19485719. p. 2448–2451. doi: 10.1109/ULTSYM.2011.0608.

Näsholm, Sven Peter & Holm, Sverre (2011). Linking multiple relaxation, powerlaw attenuation, and fractional wave equations. Journal of the Acoustical Society of America. ISSN 00014966. 130(5), p. 3038–3045. doi: 10.1121/1.3641457.

Holm, Sverre & Näsholm, Sven Peter (2011). A causal and fractional allfrequency wave equation for lossy media. Journal of the Acoustical Society of America. ISSN 00014966. 130(4), p. 2195–2202. doi: 10.1121/1.3631626.

Näsholm, Sven Peter; Hansen, Rune & Angelsen, Bjørn Atle J. (2011). Postprocessing enhancement of reverberationnoise suppression in dualfrequency SURF imaging. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. ISSN 08853010. 58(2), p. 338–348. doi: 10.1109/TUFFC.2011.1811.

Måsøy, SveinErik; Standal, Øyvind; Deibele, Jochen; Näsholm, Sven Peter; Angelsen, Bjørn Atle J. & Johansen, Tonni Franke [Show all 8 contributors for this article] (2010). Nonlinear propagation acoustics of dualfrequency wideband excitation pulses in a focused ultrasound system. Journal of the Acoustical Society of America. ISSN 00014966. 128(5), p. 2695–2703. doi: 10.1121/1.3488308. Show summary

Näsholm, Sven Peter; Johansen, Tonni Franke & Angelsen, Bjørn Atle J. (2009). An Annular Array Design Proposal with Multiple Geometric Prefoci. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. ISSN 08853010. 56(1), p. 146–155. doi: 10.1109/TUFFC.2009.1014.

Näsholm, Sven Peter; Hansen, Rune; Måsøy, SveinErik; Johansen, Tonni Franke & Angelsen, Bjørn Atle J. (2009). Transmit Beams Adapted to Reverberation Noise Suppression Using DualFrequency SURF Imaging. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. ISSN 08853010. 56(10), p. 2124–2133. doi: 10.1109/TUFFC.2009.1295.

Måsøy, SveinErik; Standal, Øyvind; Näsholm, Sven Peter; Johansen, Tonni Franke; Angelsen, Bjørn Atle J. & Hansen, Rune (2008). SURF Imaging: In vivo Demonstration of an Ultrasound Contrast Agent Detection Technique. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. ISSN 08853010. 55(5), p. 1112–1121. doi: 10.1109/TUFFC.2008.763. Show summary

Näsholm, Sven Peter; Johansen, Tonni Franke & Angelsen, Bjørn Atle J. (2004). Effect of a Curved Dome on the Effective Foci of an Annular Array  Numerical Simulations and Experimental Measurements. IEEE International Ultrasonics Symposium Proceedings. ISSN 10510117. 3, p. 1647–1650. doi: 10.1109/ULTSYM.2004.1418138. Show summary

Näsholm, Sven Peter; Johansen, Tonni Franke & Angelsen, Bjørn Atle J. (2004). Effect of a Curved Dome on the Effective Foci of an Annular Array  Numerical Simulations and Experimental Measurements. IEEE International Ultrasonics Symposium Proceedings. ISSN 10510117. 3, p. 1647–1650. doi: 10.1109/ULTSYM.2004.1418138. Show summary

Rindal, Ole Marius Hoel; Näsholm, Sven Peter; Hansen, Roy Edgar & Austeng, Andreas (2022). Compensating Dynamic Range Alterations from Adaptive Beamforming using Histogram Matching.

Rindal, Ole Marius Hoel; Näsholm, Sven Peter; Hansen, Roy Edgar & Austeng, Andreas (2022). Image Enhancement Using Capon Minimum Variance Adaptive Beamforming in Synthetic Aperture Sonar.

Austeng, Andreas; Näsholm, Sven Peter; Hansen, Roy Edgar & Rindal, Ole Marius Hoel (2022). Spatial Aperture Coherence with Synthetic Transmit Focusing in SAS.

Dando, Benjamin; Iranpour, Kamran; Wüstefeld, Andreas; Näsholm, Sven Peter; Baird, Alan F. & Oye, Volker (2022). Designing the next generation of seismic arrays using fibre optic DAS. Show summary

Eggen, Mari Dahl; Dahl, Kristina Rognlien; Näsholm, Sven Peter & Mæland, Steffen (2022). Stochastic Modeling of Stratospheric Temperature. Show summary

Vergoz, Julien; Le Pichon, Alexis; Listowski, Constantino; Hupe, Patrick; Pilger, Christian & Peter, Gaebler [Show all 15 contributors for this article] (2022). A global analysis of deep infrasound produced by the January 2022 eruption of Hunga volcano. Show summary

Näsholm, Sven Peter; Iranpour, Kamran; Wüstefeld, Andreas; Dando, Benjamin; Baird, Alan F. & Oye, Volker (2022). Array signal processing on distributed acoustic sensing data: directivity effects in slowness space. Show summary

Gereb, Gabor; Hansen, Roy Edgar; Lønmo, Tor Inge Birkenes; Näsholm, Sven Peter & Austeng, Andreas (2022). Underwater pipeline detection and localisation using multibeam echo sounder in a resolution limited case.

Arnestad, Håvard; Gereb, Gabor; Birkenes Lønmo, Tor Inge; Kirkebø, Jan Egil; Austeng, Andreas & Näsholm, Sven Peter (2022). Sonar array beampattern bounds: tolerance analysis using interval arithmetic.

Amezcua, Javier; Näsholm, Sven Peter & Vera Rodriguez, Ismael (2022). Constraining middle and upper atmospheric variables by assimilating measurements from infrasound propagation. Show summary

Brissaud, Quentin; Näsholm, Sven Peter & Turquet, Antoine Leo (2021). Predicting infrasound transmission loss using deep learning. Show summary

Turquet, Antoine Leo; Brissaud, Quentin; Kero, Johan; Näsholm, Sven Peter; Le Pichon, Alexis & Listowski, Constantino [Show all 7 contributors for this article] (2021). Near and FarField SeismoAcoustic Analysis of Mb 4.9 Mining Induced Earthquake Nearby Kiruna, Sweden .

Turquet, Antoine Leo; Brissaud, Quentin; Kero, Johan; Näsholm, Sven Peter; Kværna, Tormod & Le Pichon, Alexis [Show all 7 contributors for this article] (2021). Seismoacoustic analysis of Mw 4.2 mining induced earthquake nearby Kiruna, Sweden.

Turquet, Antoine Leo; Brissaud, Quentin; Näsholm, Sven Peter; Kero, Johan; Kværna, Tormod & Listowski, C. [Show all 7 contributors for this article] (2021). Near and farfield seismoacoustic analysis of mb 4.9 mining induced earthquake nearby Kiruna, Sweden.

Turquet, Antoine Leo; Brissaud, Quentin; Kero, Johan; Näsholm, Sven Peter; Kværna, Tormod & Le Pichon, Alexis [Show all 7 contributors for this article] (2021). Insights from mb4.9 Kiruna Minequake (Sweden)  18 May 2020.

Eggen, Mari Dahl; Dahl, Kristina Rognlien; Näsholm, Sven Peter & Mæland, Steffen (2021). Stochastic modelling of stratospheric temperature.

Vorobeva, Ekaterina; De Carlo, Marine; Näsholm, Sven Peter; Le Pichon, Alexis & Espy, Patrick Joseph (2021). A vespagrambased approach in application to atmospheric remote sensing.

Vorobeva, Ekaterina; De Carlo, Marine; Näsholm, Sven Peter; Le Pichon, Alexis & Espy, Patrick Joseph (2021). A vespagrambased approach to assess microbarom radiation and propagation models.

Vorobeva, Ekaterina; De Carlo, Marine; Näsholm, Sven Peter; Le Pichon, Alexis & Espy, Patrick Joseph (2021). Vespagrambased approach for microbarom radiation and propagation model assessment using infrasound recordings.

Vera Rodriguez, Ismael; Näsholm, Sven Peter; Brissaud, Quentin; Turquet, Antoine Leo & Le Pichon, Alexis (2021). Estimation of infrasoundconsistent wind and temperature atmospheric profiles from model ensembles in North Scandinavia. Show summary

Näsholm, Sven Peter (2020). Probing middle atmospheric winds using infrasound recorded at groundbased arrays.

Vera Rodriguez, Ismael; Näsholm, Sven Peter; Turquet, Antoine Leo & Evers, Läslo G. (2020). Climatology reflected by infrasound traveltimes sampling the stratosphere in its transition between summer and winter.

Belova, Evgenia; Näsholm, Sven Peter; Vorobeva, Ekaterina; Godin, Oleg A. & Barabash, Victoria (2020). Polar Mesosphere Winter Echoes and their relation to infrasound.

Amezcua, Javier; Näsholm, Sven Peter; Blixt, Erik Mårten & CharltonPerez, Andrew (2020). Assimilation of atmospheric infrasound data to constrain tropospheric and stratospheric winds.

Vera Rodriguez, Ismael; Näsholm, Sven Peter & Le Pichon, Alexis (2020). Atmospheric model calibration using infrasound waves from explosions.

Vorobeva, Ekaterina; De Carlo, Marine; Näsholm, Sven Peter & Le Pichon, Alexis (2020). Vespagrambased approach for benchmarking microbarom models and observations.

Turquet, Antoine Léo; Kero, Johan; Brissaud, Quentin; Näsholm, Sven Peter; Kværna, Tormod & Le Pichon, Alexis (2020). Indepth seismoacoustic analysis of mininginduced Mw 4.9 Kiruna earthquake.

Näsholm, Sven Peter; Vorobeva, Ekaterina; Le Pichon, Alexis; Orsolini, Yvan; Turquet, Antoine Leo & Hibbins, Robert [Show all 10 contributors for this article] (2020). Semidiurnal tidal signatures in microbarom infrasound array measurements.

Vorobeva, Ekaterina; Näsholm, Sven Peter; Espy, Patrick Joseph; Orsolini, Yvan & Hibbins, Robert (2020). Wind estimates in the mesosphere  lower thermosphere retrieved from infrasound data.

Millet, Christophe; Ribstein, Bruno & Näsholm, Sven Peter (2019). Learning about smallscale atmospheric structures through recurrent infrasound events.

Le Pichon, Alexis; De Carlo, Marine; Vergoz, Julien; Näsholm, Sven Peter; Espy, Patrick Joseph & Hibbins, Robert [Show all 7 contributors for this article] (2019). Characterizing middle atmosphere variability using ocean ambient noise as recorded by a regional infrasound network.

Le Pichon, Alexis; De Carlo, Marine; Näsholm, Sven Peter; Kero, Johan; Ceranna, Lars & Hupe, Patrick [Show all 7 contributors for this article] (2019). Characterizing ocean ambient noise using a regional infrasound network: a sensitivity analysis.

Dinescu, Raluca; Chica, Daniela; Schweitzer, Johannes; Näsholm, Sven Peter; Popa, Michaela & Ionescu, Constantin (2019). Monitoring manmade hazards using data recorded with the Romanian seismic and infrasonic arrays.

De Carlo, Marine; Le Pichon, Alexis; Ardhuin, Fabrice; Näsholm, Sven Peter & Smets, Pieter (2019). Evaluating microbaroms source models in finite ocean depth: comparison with IMS station observations.

Blixt, Erik Mårten; Näsholm, Sven Peter; Gibbons, Steven John & Kværna, Tormod (2019). Estimating tropospheric and stratospheric largescale wind components using infrasound from explosions.

Blanc, Elisabeth; Hauchecorne, Alain; Keckhut, Philippe; Le Pichon, Alexis; Baumgarten, Gerd & Stober, Gunter [Show all 23 contributors for this article] (2019). Atmospheric dynamics from near ground to near Earth space: The ARISE project.

Blanc, Elisabeth; Le Pichon, Alexis; Pilger, Christoph; Hupe, Patrick; Ceranna, Lars & Marchetti, Emanuele [Show all 12 contributors for this article] (2019). ARISE project: infrasound monitoring for civil applications.

Näsholm, Sven Peter; Assink, Jelle; Blixt, Erik Mårten; De Carlo, Marine; Evers, Läslo Gerardus & Gibbons, Steven John [Show all 11 contributors for this article] (2019). Observations of microbaromgenerated infrasound in Northern Norway during three different sudden stratospheric warmings .

Näsholm, Sven Peter (2019). Observations of microbaromgenerated infrasound in Northern Norway during three different sudden stratospheric warmings.

Gibbons, Steven John; Kværna, Tormod & Näsholm, Sven Peter (2019). CTBT Seismic Monitoring in Far East Asia using Coherent and Incoherent Array Processing.

Marine, De Carlo; Le Pichon, Alexis; Vergoz, Julien; Ardhuin, Fabrice; Näsholm, Sven Peter & Ceranna, Lars [Show all 8 contributors for this article] (2019). Characterizing coherent ambient noise in the North Atlantic and Barents sea regions.

Blixt, Erik Mårten; Charlton–Perez, Andrew; Evers, Läslo Gerardus; Gibbons, Steven John; Kværna, Tormod & Näsholm, Sven Peter [Show all 7 contributors for this article] (2019). Crosswind effects on infrasound waves partially reflected at stratospheric altitudes.

Näsholm, Sven Peter (2019). Exploiting lowfrequency acoustic waves to probe middle atmospheric dynamics.

Näsholm, Sven Peter (2019). NORSAR: Vi lytter til jorden for et sikrere samfunn.

Näsholm, Sven Peter; Assink, Jelle; Blixt, Erik Mårten; Decarlo, M.; Evers, LG & Gibbons, Steven John [Show all 11 contributors for this article] (2019). Observations of microbaromgenerated infrasound in Northern Norway during three different sudden stratospheric warmings .

Näsholm, Sven Peter; Assink, Jelle; Blanc, Elisabeth; Blixt, Erik Mårten; Claud, Chantal & Gibbons, Steven John [Show all 13 contributors for this article] (2018). Infrasonic signatures of polar lows  Comparing a decade of polar low tracks to infrasonic detection backazimuths.

Näsholm, Sven Peter; Blixt, Erik Mårten; Gibbons, Steven John; Stettner, Felix Benedikt & Kværna, Tormod (2018). Interpreting explosive acoustic arrivals at the ARCES seismic array in the context of atmospheric crosswinds.

Le Pichon, Alexis; Arnal, Thibault; Blixt, Erik Mårten; Näsholm, Sven Peter; Kero, Johan & Ceranna, Lars [Show all 7 contributors for this article] (2018). Characterizing ocean ambient noise using a regional infrasound network.

Gibbons, Steven John; Näsholm, Sven Peter; Blixt, Erik Mårten & Kværna, Tormod (2018). Measuring infrasonic wavefronts over large aperture sensor arrays.

Blixt, Erik Mårten; Näsholm, Sven Peter; Stettner, Felix Benedikt & Kværna, Tormod (2018). Crosswind effects on infrasound propagation.

Blixt, Erik Mårten; Näsholm, Sven Peter; Kværna, Tormod & Gibbons, Steven John (2018). Multistation study of the crosswind effect on infrasound propagation.

Gibbons, Steven John; Kværna, Tormod; Näsholm, Sven Peter & Mykkeltveit, Svein (2018). Seismic Monitoring of the North Korea Nuclear TestSite to Low Magnitude Using Seismic Pattern Detectors .

Kühn, Daniela; Heimann, Sebastian; Näsholm, Sven Peter; Dando, Benjamin; Gharti, Hom Nath & Ruigrok, Elmer (2017). Uncertainties in moment tensor estimation for induced earthquakes illustrated at the example of the Groningen gas field, Netherlands.

Lambert, Simon; Chatelin, Simon; Näsholm, Sven Peter; Jugé, Lauriane; Garteiser, Philippe & ter Beek, Leon [Show all 12 contributors for this article] (2013). SubVoxel MicroArchitecture Assessment by Scattering of Mechanical Shear Waves.

Lambert, Simon; Chatelin, Simon; Näsholm, Sven Peter; Jugé, Lauriane; Garteiser, Philippe & ter Beek, Leon [Show all 12 contributors for this article] (2012). SubVoxel MicroArchitecture Assessment by Scattering of Mechanical Shear.

Chatelin, Simon; Lambert, Simon; Jugé, Lauriane; Cai, Xing; Näsholm, Sven Peter & Vilgrain, Valérie [Show all 12 contributors for this article] (2012). Measured elasticity and its frequency dependence are sensitive to tissue microarchitecture in MR Elastography.

Lambert, Simon; Chatelin, Simon; Näsholm, Sven Peter; Holm, Sverre & Sinkus, Ralph (2012). SubVoxel MicroArchitecture Assessment by Diffusion of Mechanical Shear.

Näsholm, Sven Peter & Holm, Sverre (2012). A Fractional Acoustic Wave Equation from Multiple Relaxation Loss and Conservation Laws.

Holm, Sverre; Näsholm, Sven Peter & Sinkus, Ralph (2012). Fractional acoustic wave equations from constitutive equations.

Sinkus, Ralph; Holm, Sverre; Guzina, Bojan B.; Näsholm, Sven Peter; Garteiser, Philippe & Doblas, S [Show all 8 contributors for this article] (2011). Revealing the origin of attenuation in tissue: pure absorption or multiple scattering?

Prieur, Fabrice Jean Gabriel; Näsholm, Sven Peter; Austeng, Andreas & Holm, Sverre (2011). Second harmonic imaging with echosounders: measurements and preliminary results.

Prieur, Fabrice Jean Gabriel; Näsholm, Sven Peter; Austeng, Andreas & Holm, Sverre (2010). Second harmonic imaging a possibility with sonar?

Prieur, Fabrice Jean Gabriel; Näsholm, Sven Peter; Austeng, Andreas & Holm, Sverre (2010). Exploiting nonlinear propagation in echo sounders and sonar. Full text in Research Archive

Måsøy, SveinErik; Tangen, Thor Andreas; Standal, Øyvind; Deibele, Jochen; Näsholm, Sven Peter & Hansen, Rune [Show all 8 contributors for this article] (2009). SURF imaging  Acoustics from a dualfrequency band annular array.

Måsøy, SveinErik; Tangen, Thor Andreas; Standal, Øyvind; Deibele, Jochen; Näsholm, Sven Peter & Hansen, Rune [Show all 8 contributors for this article] (2009). SURF imaging  A real time dualfrequency band ultrasound system.

Måsøy, SveinErik; Tangen, Thor Andreas; Standal, Øyvind; Deibele, Jochen; Näsholm, Sven Peter & Hansen, Rune [Show all 8 contributors for this article] (2009). SURF imaging  Acoustics from a dualfrequency band annular array.

Måsøy, SveinErik; Tangen, Thor Andreas; Standal, Øyvind; Deibele, Jochen; Näsholm, Sven Peter & Hansen, Rune [Show all 8 contributors for this article] (2009). SURF imaging  A real time dualfrequency band ultrasound system.

Näsholm, Sven Peter; Kaupang, Halvard; Måsøy, SveinErik; Hansen, Rune & Angelsen, Bjørn Atle J. (2008). A simulation study on SURF reverberation suppression in an aberrating medium.

Måsøy, SveinErik; Hansen, Rune; Angelsen, Anders; Kaupang, Halvard; Tangen, Thor Andreas & Standal, Øyvind [Show all 9 contributors for this article] (2008). SURF IMAGING – Highfrequency ultrasound contrast agent imaging in patients with prostate cancer. Show summary

Måsøy, SveinErik; Kaupang, Halvard; Tangen, Thor Andreas; Standal, Øyvind; Näsholm, Sven Peter & Johansen, Tonni Franke [Show all 8 contributors for this article] (2007). SURF IMAGING – IN VIVO DEMONSTRATION OF AN ULTRASOUND CONTRAST AGENT DETECTION TECHNIQUE IN PATIENTS WITH PROSTATE CANCER AND THYROID NODULES. Show summary

Hansen, Rune; Måsøy, SveinErik; Näsholm, Sven Peter; Standal, Øyvind; Johansen, Tonni Franke & Angelsen, Bjørn Atle J. (2007). SURF imaging for ultrasound contrast agents.

Hansen, Rune; Måsøy, SveinErik; Standal, Øyvind; Näsholm, Sven Peter; Johansen, Tonni Franke & Angelsen, Bjørn Atle J. (2007). Improving contrast agent detection with SURF imaging.

Kaupang, Halvard; Näsholm, Sven Peter; Måsøy, SveinErik & Angelsen, Bjørn Atle J. (2007). Sound Field Simulation Activities.

Hansen, Rune; Johansen, Tonni Franke; Måsøy, SveinErik; Näsholm, Sven Peter; Standal, Øyvind & Angelsen, Bjørn Atle J. (2006). SURF  A better method to detect ultrasound contrast agents and microcalcifications.

Måsøy, SveinErik; Hansen, Rune; Näsholm, Sven Peter; Standal, Øyvind; Johansen, Tonni Franke & Angelsen, Bjørn Atle J. (2006). SURF IMAGING – A METHOD FOR HIGH FREQUENCY ULTRASOUND CONTRAST AGENT DETECTION.

Måsøy, SveinErik; Näsholm, Sven Peter; Standal, Øyvind; Johansen, Tonni Franke; Hansen, Rune & Angelsen, Bjørn Atle J. (2006). ACOUSTIC NOISE IN MEDICAL ULTRASOUND IMAGING – CHALLENGES AND SOLUTIONS.

Näsholm, Sven Peter; Hansen, Rune; Måsøy, SveinErik; Standal, Øyvind; Johansen, Tonni Franke & Angelsen, Bjørn (2006). Reverberation suppression using SURF as an alternative to second harmonic.

Näsholm, Sven Peter; Johansen, Tonni Franke & Angelsen, Bjørn Atle J. (2004). Effect of a Curved Dome on the Effective Foci of an Annular Array  Numerical Simulations and Experimental Measurements. Show summary

Kühn, Daniela; GoertzAllmann, Bettina; Albaric, Julie; Bohloli, Bahman; Braathen, A. & Brenguier, Florent [Show all 22 contributors for this article] (2017). Final project report to KMB project 224880: SafeCO2 II 20132016 Investigation of induced seismicity and aseismic deformation in response to CO2 injection and related pressure changes . Final project report to industry partners, NORSAR report no. 16022.

Näsholm, Sven Peter & Angelsen, Bjørn Atle J. (2008). Ultrasound beams for enhanced image quality. Norges teknisknaturvitenskapelige universitet, Det medisinske fakultet. ISSN 9788247191446. Show summary
Published Jan. 6, 2020 2:16 PM
 Last modified Jan. 31, 2022 9:38 AM