Sven Peter Näsholm

Image of Sven Peter Näsholm
Norwegian version of this page
Phone +47 22840068
Room office 4460
Username
Visiting address Ole-Johan 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: co-supervisor | 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: co-supervisor | Main supervisor: Kristina Rognlien Dahl, Department of Mathematics, University of Oslo | Project owner: NORSAR | Started in 2020
  • Sander Bøe Thygesen | My role: main supervisor | Co-supervisors: Tore Sirevaag, Equanostic AS / Tonni F. Johansen, SINTEF/NTNU | Project owner: Equanostic AS | Started in 2020
  • Håvard Arnestad | My role: main supervisor | Co-supervisor: Andreas Austeng  | Project owner: University of Oslo | Started in 2021

 

Tags: beamforming, array signal processing, acoustic imaging, signal processing, ultrasound, infrasound, wave propagation, medical imaging, middle atmosphere, complex media

Publications

Researcher profiles and sites

Google Scholar ] [ ResearchGate ] [ ORCID ] [ Scopus ] [ ResearcherID / Publons ]

  • Kværna, Tormod; Gibbons, Steven John & Näsholm, Sven Peter (2021). CTBT seismic monitoring using coherent and incoherent array processing. Journal of Seismology. ISSN 1383-4649. doi: 10.1007/s10950-021-10026-z. Full text in Research Archive
  • 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 vespagram-based approach. Annales Geophysicae. ISSN 0992-7689. 39(3), p. 515–531. doi: 10.5194/angeo-39-515-2021. Full text in Research Archive
  • Amezcua, Javier; Näsholm, Sven Peter; Blixt, Erik Mårten & Charlton-Perez, Andrew J. (2020). Assimilation of atmospheric infrasound data to constrain tropospheric and stratospheric winds. Quarterly Journal of the Royal Meteorological Society. ISSN 0035-9009. 146(731), p. 2634–2653. doi: 10.1002/qj.3809.
  • 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 0001-4966. 148(5), p. 2923–2934. doi: 10.1121/10.0002482.
  • Fang, Jun; Näsholm, Sven Peter; Chen, Wen & Holm, Sverre (2020). The fractional constitutive models for nonlocal material based on scattering wave equations. Mechanics of Time-Dependent Materials. ISSN 1385-2000. doi: 10.1007/s11043-020-09482-w.
  • Gibbons, Steven John; Kværna, Tormod & Näsholm, Sven Peter (2019). Characterization of the Infrasonic Wavefield from Repeating Seismo-Acoustic 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 978-3-319-75138-2. p. 387–407. doi: 10.1007/978-3-319-75140-5_10.
  • 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 0956-540X. 217(1), p. 620–649. doi: 10.1093/gji/ggz017.
  • Blixt, Erik Mårten; Näsholm, Sven Peter; Gibbons, Steven John; Evers, Laslo; Charlton-Perez, 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 0001-4966. 146(2), p. 973–982. doi: 10.1121/1.5120183.
  • Dando, Benjamin; Oye, Volker; Näsholm, Sven Peter; Zühlsdorff, Lars; Kühn, Daniela & Wüstefeld, Andreas (2019). Complexity in microseismic phase identification: full waveform modelling, travel-time computations, and implications for event locations within the Groningen gas field. Geophysical Journal International. ISSN 0956-540X. 217, p. 620–649. doi: 10.1093/gji/ggz017.
  • 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 0033-4553. 175(10), p. 3619–3638. doi: 10.1007/s00024-018-1900-3.
  • 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 0956-540X. 213(1), p. 447–460. doi: 10.1093/GJI/GGX550.
  • Wüstefeld, Andreas; Greve, Solveig; Näsholm, Sven Peter & Oye, Volker (2018). Benchmarking earthquake location algorithms: A synthetic comparison. Geophysics. ISSN 0016-8033. 83(4), p. KS35–KS47. doi: 10.1190/geo2017-0317.1.
  • 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 0895-0695. 89(6), p. 2034–2041. doi: 10.1785/0220180116.
  • 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 0956-540X. 208(1), p. 101–117. doi: 10.1093/gji/ggw379.
  • Blanc, Elisabeth; Ceranna, L; Hauchecorne, A.; Charlton-Perez, 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 0169-3298. 39(2), p. 171–225. doi: 10.1007/s10712-017-9444-0.
  • 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 1311-0454. 19(2), p. 498–515. doi: 10.1515/fca-2016-0026.
  • Smets, PSM; Evers, LG; Näsholm, Sven Peter & Gibbons, Steven John (2015). Probabilistic infrasound propagation using realistic atmospheric perturbations. Geophysical Research Letters. ISSN 0094-8276. 42(15), p. 6510–6517. doi: 10.1002/2015GL064992.
  • 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 0895-0695. 86(3), p. 917–928. doi: 10.1785/0220140230.
  • Lambert, Simon A.; Näsholm, Sven Peter; Nordsletten, David; Michler, Christian; Juge, Lauriane & Serfaty, Jean-Michel [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 0031-9007. 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 0956-540X. 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 0301-5629. 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 0898-1221. 66(5), p. 621–629. doi: 10.1016/j.camwa.2013.02.024.
  • Näsholm, Sven Peter & Holm, Sverre (2013). On a fractional Zener elastic wave equation. Fractional Calculus and Applied Analysis. ISSN 1311-0454. 16(1), p. 26–50. doi: 10.2478/s13540-013-0003-1.
  • Näsholm, Sven Peter (2013). Model-based discrete relaxation process representation of band-limited power-law attenuation. Journal of the Acoustical Society of America. ISSN 0001-4966. 133(3), p. 1742–1750. doi: 10.1121/1.4789001.
  • 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 0364-9059. 37(3), p. 467–477. doi: 10.1109/JOE.2012.2198933.
  • Jensen, Are Charles; Näsholm, Sven Peter; Nilsen, Carl-Inge 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 0885-3010. 59(10), p. 2178–2185. doi: 10.1109/TUFFC.2012.2444.
  • Austeng, Andreas; Nilsen, Carl-Inge Colombo; Jensen, Are Charles; Näsholm, Sven Peter & Holm, Sverre (2012). Coherent Plane-Wave Compounding and Minimum Variance Beamforming. Proceedings - IEEE Ultrasonics Symposium. ISSN 1948-5719. p. 2448–2451. doi: 10.1109/ULTSYM.2011.0608.
  • Näsholm, Sven Peter; Austeng, Andreas; Jensen, Are Charles; Nilsen, Carl-Inge Colombo & Holm, Sverre (2012). Capon Beamforming Applied to Second-Harmonic Ultrasound Experimental Data. Proceedings - IEEE Ultrasonics Symposium. ISSN 1948-5719. p. 2217–2220. doi: 10.1109/ULTSYM.2011.0550.
  • Jensen, Are Charles; Nilsen, Carl-Inge Colombo; Austeng, Andreas; Näsholm, Sven Peter & Holm, Sverre (2012). A Multitaper Approach to Speckle Reduction for Medical Ultrasound Imaging. Proceedings - IEEE Ultrasonics Symposium. ISSN 1948-5719. p. 397–400. doi: 10.1109/ULTSYM.2011.0095.
  • 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 0885-3010. 59(11), p. 2588–2595. doi: 10.1109/TUFFC.2012.2494.
  • Holm, Sverre & Näsholm, Sven Peter (2011). A causal and fractional all-frequency wave equation for lossy media. Journal of the Acoustical Society of America. ISSN 0001-4966. 130(4), p. 2195–2202. doi: 10.1121/1.3631626.
  • Näsholm, Sven Peter & Holm, Sverre (2011). Linking multiple relaxation, power-law attenuation, and fractional wave equations. Journal of the Acoustical Society of America. ISSN 0001-4966. 130(5), p. 3038–3045. doi: 10.1121/1.3641457.
  • Näsholm, Sven Peter; Hansen, Rune & Angelsen, Bjørn Atle J. (2011). Post-processing enhancement of reverberation-noise suppression in dual-frequency SURF imaging. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. ISSN 0885-3010. 58(2), p. 338–348. doi: 10.1109/TUFFC.2011.1811.
  • Måsøy, Svein-Erik; 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 dual-frequency wide-band excitation pulses in a focused ultrasound system. Journal of the Acoustical Society of America. ISSN 0001-4966. 128(5), p. 2695–2703. doi: 10.1121/1.3488308.
  • Näsholm, Sven Peter; Hansen, Rune; Måsøy, Svein-Erik; Johansen, Tonni Franke & Angelsen, Bjørn Atle J. (2009). Transmit Beams Adapted to Reverberation Noise Suppression Using Dual-Frequency SURF Imaging. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. ISSN 0885-3010. 56(10), p. 2124–2133. doi: 10.1109/TUFFC.2009.1295.
  • Näsholm, Sven Peter; Johansen, Tonni Franke & Angelsen, Bjørn Atle J. (2009). An Annular Array Design Proposal with Multiple Geometric Pre-foci. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. ISSN 0885-3010. 56(1), p. 146–155. doi: 10.1109/TUFFC.2009.1014.
  • Måsøy, Svein-Erik; 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 0885-3010. 55(5), p. 1112–1121. doi: 10.1109/TUFFC.2008.763.
  • 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 1051-0117. 3, p. 1647–1650. doi: 10.1109/ULTSYM.2004.1418138.
  • 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 1051-0117. 3, p. 1647–1650. doi: 10.1109/ULTSYM.2004.1418138.

View all works in Cristin

  • Vorobeva, Ekaterina; De Carlo, Marine; Näsholm, Sven Peter; Le Pichon, Alexis & Espy, Patrick Joseph (2021). Vespagram-based approach for microbarom radiation and propagation model assessment using infrasound recordings.
  • Vorobeva, Ekaterina; De Carlo, Marine; Näsholm, Sven Peter; Le Pichon, Alexis & Espy, Patrick Joseph (2021). A vespagram-based approach to assess microbarom radiation and propagation models.
  • Turquet, Antoine Leo; Brissaud, Quentin; Kero, Johan; Näsholm, Sven Peter; Le Pichon, Alexis & Kværna, Tormod [Show all 7 contributors for this article] (2021). Near and Far-Field Seismo-Acoustic Analysis of Mb 4.9 Mining Induced Earthquake Nearby Kiruna, Sweden .
  • Turquet, Antoine Leo; Brissaud, Quentin; Näsholm, Sven Peter; Kero, Johan; Kvaerna, T & Listowski, C. [Show all 7 contributors for this article] (2021). Near and far-field seismo-acoustic analysis of mb 4.9 mining induced earthquake nearby Kiruna, Sweden.
  • Turquet, Antoine Leo; Brissaud, Quentin; Kero, Johan; Näsholm, Sven Peter; Kvaerna, T & Le Pichon, Alexis [Show all 7 contributors for this article] (2021). Insights from mb4.9 Kiruna Minequake (Sweden) - 18 May 2020.
  • Turquet, Antoine Leo; Brissaud, Quentin; Kero, Johan; Näsholm, Sven Peter; Kværna, Tormod & Le Pichon, Alexis [Show all 7 contributors for this article] (2021). Seismo-acoustic analysis of Mw 4.2 mining induced earthquake nearby Kiruna, Sweden.
  • Vera Rodriguez, Ismael; Näsholm, Sven Peter; Brissaud, Quentin; Turquet, Antoine Leo & Le Pichon, Alexis (2021). Estimation of infrasound-consistent wind and temperature atmospheric profiles from model ensembles in North Scandinavia.
  • 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 vespagram-based approach in application to atmospheric remote sensing.
  • 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; De Carlo, Marine; Näsholm, Sven Peter & Le Pichon, Alexis (2020). Vespagram-based approach for benchmarking microbarom models and observations.
  • Vera Rodriguez, Ismael; Näsholm, Sven Peter & Le Pichon, Alexis (2020). Atmospheric model calibration using infrasound waves from explosions.
  • Vorobeva, Ekaterina; Näsholm, Sven Peter; Espy, Patrick Joseph; Orsolini, Yvan & Hibbins, Robert (2020). Wind estimates in the mesosphere - lower thermosphere retrieved from infrasound data.
  • Turquet, Antoine Léo; Kero, Johan; Brissaud, Quentin; Näsholm, Sven Peter; Kværna, Tormod & Le Pichon, Alexis (2020). In-depth seismo-acoustic analysis of mining-induced Mw 4.9 Kiruna earthquake.
  • Näsholm, Sven Peter (2020). Probing middle atmospheric winds using infrasound recorded at ground-based arrays.
  • Amezcua, Javier; Näsholm, Sven Peter; Blixt, Erik Mårten & Charlton-Perez, Andrew (2020). Assimilation of atmospheric infrasound data to constrain tropospheric and stratospheric winds.
  • Belova, Evgenia; Näsholm, Sven Peter; Vorobeva, Ekaterina; Godin, Oleg A. & Barabash, Victoria (2020). Polar Mesosphere Winter Echoes and their relation to infrasound.
  • Vera Rodriguez, Ismael; Näsholm, Sven Peter; Turquet, Antoine Leo & Evers, Läslo G. (2020). Climatology reflected by infrasound travel-times sampling the stratosphere in its transition between summer and winter.
  • Näsholm, Sven Peter (2019). Exploiting low-frequency acoustic waves to probe middle atmospheric dynamics.
  • Näsholm, Sven Peter (2019). Observations of microbarom-generated infrasound in Northern Norway during three different sudden stratospheric warmings.
  • Blixt, Erik Mårten; Näsholm, Sven Peter; Gibbons, Steven John & Kværna, Tormod (2019). Estimating tropospheric and stratospheric large-scale wind components using infrasound from explosions.
  • 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; Charlton–Perez, Andrew; Evers, Läslo Gerardus; Gibbons, Steven John; Kværna, Tormod & Näsholm, Sven Peter [Show all 7 contributors for this article] (2019). Cross-wind effects on infrasound waves partially reflected at stratospheric altitudes.
  • 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.
  • Millet, Christophe; Ribstein, Bruno & Näsholm, Sven Peter (2019). Learning about small-scale atmospheric structures through recurrent infrasound events.
  • 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 microbarom-generated infrasound in Northern Norway during three different sudden stratospheric warmings .
  • Dinescu, Raluca; Chica, Daniela; Schweitzer, Johannes; Näsholm, Sven Peter; Popa, Michaela & Ionescu, Constantin (2019). Monitoring man-made hazards using data recorded with the Romanian seismic and infrasonic arrays.
  • 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.
  • 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.
  • Gibbons, Steven John; Kværna, Tormod & Näsholm, Sven Peter (2019). CTBT Seismic Monitoring in Far East Asia using Coherent and Incoherent Array Processing.
  • 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.
  • 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 microbarom-generated infrasound in Northern Norway during three different sudden stratospheric warmings .
  • 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 (2019). NORSAR: Vi lytter til jorden for et sikrere samfunn.
  • Gibbons, Steven John; Näsholm, Sven Peter; Blixt, Erik Mårten & Kværna, Tormod (2018). Measuring infrasonic wavefronts over large aperture sensor arrays.
  • 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 cross-winds.
  • 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.
  • 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.
  • Blixt, Erik Mårten; Näsholm, Sven Peter; Stettner, Felix Benedikt & Kværna, Tormod (2018). Cross-wind effects on infrasound propagation.
  • Gibbons, Steven John; Kværna, Tormod; Näsholm, Sven Peter & Mykkeltveit, Svein (2018). Seismic Monitoring of the North Korea Nuclear Test-Site to Low Magnitude Using Seismic Pattern Detectors .
  • Blixt, Erik Mårten; Näsholm, Sven Peter; Kværna, Tormod & Gibbons, Steven John (2018). Multi-station study of the cross-wind effect on infrasound propagation.
  • 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). Sub-Voxel Micro-Architecture 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). Sub-Voxel Micro-Architecture Assessment by Scattering 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.
  • Lambert, Simon; Chatelin, Simon; Näsholm, Sven Peter; Holm, Sverre & Sinkus, Ralph (2012). Sub-Voxel Micro-Architecture Assessment by Diffusion 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.
  • Prieur, Fabrice Jean Gabriel; Näsholm, Sven Peter; Austeng, Andreas & Holm, Sverre (2011). Second harmonic imaging with echo-sounders: measurements and preliminary results.
  • 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 (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, Svein-Erik; 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 dual-frequency band ultrasound system.
  • Måsøy, Svein-Erik; 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 dual-frequency band annular array.
  • Måsøy, Svein-Erik; 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 dual-frequency band annular array.
  • Måsøy, Svein-Erik; 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 dual-frequency band ultrasound system.
  • Näsholm, Sven Peter; Kaupang, Halvard; Måsøy, Svein-Erik; Hansen, Rune & Angelsen, Bjørn Atle J. (2008). A simulation study on SURF reverberation suppression in an aberrating medium.
  • Måsøy, Svein-Erik; Hansen, Rune; Angelsen, Anders; Kaupang, Halvard; Tangen, Thor Andreas & Standal, Øyvind [Show all 9 contributors for this article] (2008). SURF IMAGING – High-frequency ultrasound contrast agent imaging in patients with prostate cancer.
  • Måsøy, Svein-Erik; 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.
  • Kaupang, Halvard; Näsholm, Sven Peter; Måsøy, Svein-Erik & Angelsen, Bjørn Atle J. (2007). Sound Field Simulation Activities.
  • Hansen, Rune; Måsøy, Svein-Erik; Standal, Øyvind; Näsholm, Sven Peter; Johansen, Tonni Franke & Angelsen, Bjørn Atle J. (2007). Improving contrast agent detection with SURF imaging.
  • Hansen, Rune; Måsøy, Svein-Erik; Näsholm, Sven Peter; Standal, Øyvind; Johansen, Tonni Franke & Angelsen, Bjørn Atle J. (2007). SURF imaging for ultrasound contrast agents.
  • Måsøy, Svein-Erik; Näsholm, Sven Peter; Standal, Øyvind; Johansen, Tonni Franke; Hansen, Rune & Angelsen, Bjørn Atle J. (2006). ACOUSTIC NOISE IN MEDICAL ULTRASOUND IMAGING – CHALLENGES AND SOLUTIONS.
  • Måsøy, Svein-Erik; 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.
  • Hansen, Rune; Johansen, Tonni Franke; Måsøy, Svein-Erik; Näsholm, Sven Peter; Standal, Øyvind & Angelsen, Bjørn Atle J. (2006). SURF - A better method to detect ultrasound contrast agents and micro-calcifications.
  • Näsholm, Sven Peter; Hansen, Rune; Måsøy, Svein-Erik; 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.
  • Kühn, Daniela; Goertz-Allmann, 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 2013-2016 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. 16-022.
  • Näsholm, Sven Peter & Angelsen, Bjørn Atle J. (2008). Ultralydstråler for forbedret bildekvalitet. Norges teknisk-naturvitenskapelige universitet, Det medisinske fakultet. ISSN 978-82-471-9144-6.

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Published Jan. 6, 2020 2:16 PM - Last modified Aug. 26, 2021 11:32 PM

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