Foto: Kai Mørk Mortensen

Alfred Hanssen

Prodekan nyskaping, Professor i geofysikk, senterleder ARCEx Institutt for geovitenskap

77625253
45255593

alfred.hanssen@uit.no

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Tromsø

MODULBYGG F117 (Klikk for større kartbeskrivelse)

Geophysics

Statistical signal processing

Data analytics

Numerical simulation

Computational physics

Nonlinear dynamics

Presently:

GEO-2011 GIS and geostatistics
AG-335/AG-835 Arctic seismic exploration (UNIS)

In the past:

FYS-1006 Introduction to signals and sensors
FYS-2006 Signal processing
FYS-2007 Statistical signal processing
FYS-3011 Detection theory
FYS-3012 Pattern recognition
FYS-3014 Digital communication
FYS-3027 Geothermal energy
GEO-3123 Marine geophysics
GEO-3126 Practical seismic data processing
AT-390 Geotechnical investigations using ground penetrating radar (UNIS)

Forskerprofil i Cristin

Vitenskapelige artikler og bokkapitler
Andre

Romeyn, Rowan; Hanssen, Alfred; Ruud, Bent Ole; Stemland, Helene Meling; Johansen, Tor Arne. Passive seismic recording of cryoseisms in Adventdalen, Svalbard. The Cryosphere 2021; Volum 15. ISSN 1994-0416.s 283 - 302.s doi: 10.5194/tc-15-283-2021.

Romeyn, Rowan; Hanssen, Alfred; Ruud, Bent Ole; Johansen, Tor Arne. Sea ice thickness from air-coupled flexural waves. The Cryosphere 2021; Volum 15 (6). ISSN 1994-0416.s 2939 - 2955.s doi: 10.5194/tc-15-2939-2021.

Lasabuda, Amando Putra Ersaid; Johansen, Nora Johanne Synnestvedt; Laberg, Jan Sverre; Faleide, Jan Inge; Senger, Kim; Rydningen, Tom Arne; Patton, Henry; Knutsen, Stig-Morten; Hanssen, Alfred. Cenozoic uplift and erosion of the Norwegian Barents Shelf – A review. Earth-Science Reviews 2021; Volum 217. ISSN 0012-8252.s 1 - 35.s doi: 10.1016/j.earscirev.2021.103609.

Khodabandeloo, Babak; Landrø, Martin; Hanssen, Alfred. Acoustic generation of underwater cavities - Comparing modeled and measured acoustic signals generated by seismic air gun arrays. Journal of the Acoustical Society of America 2017; Volum 141 (4). ISSN 0001-4966.s 2661 - 2672.s doi: 10.1121/1.4979939.

Eltoft, Torbjørn; Doulgeris, Anthony Paul; Brekke, Camilla; Solbø, Stian; Gerland, Sebastian; Hanssen, Alfred. Imaging Sea Ice Structure by Remote Sensing Sensors. (http://www.poac.com/Papers/2015/pdf/poac15Final00214.pdf) Proceedings - International Conference on Port and Ocean Engineering under Arctic Conditions 2015; Volum 2015-January. ISSN 0376-6756.

Birkelund, Yngve; Johansen, Jarle André; Hanssen, Alfred. High-precision surrogate data based tests for Gaussianity and linearity of discrete time random processes. European Signal Processing Conference 2015; Volum 06-10-September-2004:7079994. ISSN 2076-1465.s 73 - 76.s doi: 10.1016/j.sigpro.2009.04.013.

Hanssen, Alfred; Larsen, Yngvar; Scharf, Louis L.. Complex time-frequency and dual-frequency spectra of harmonizable processes. European Signal Processing Conference 2015; Volum 06-10-September-2004. ISSN 2076-1465.s 1577 - 1580.

Øigård, Tor Arne; Hanssen, Alfred; Hansen, Roy Edgar. The Multivariate Normal Inverse Gaussian distribution: EM-estimation and analysis of synthetic aperture sonar data. European Signal Processing Conference 2015; Volum 06-10-September-2004. ISSN 2076-1465.s 1433 - 1436.s doi: 10.1109/icassp.2002.5744895.

Sanchis, Charlotte Juliette; Hanssen, Alfred. Enhanced local correlation stacking method. Geophysics 2011; Volum 76 (3). ISSN 0016-8033.s V33 - V45.s doi: 10.1190/1.3552687.

Sanchis, Charlotte Juliette; Hanssen, Alfred. Sparse code shrinkage for signal enhancement of seismic data. Geophysics 2011; Volum 76 (6). ISSN 0016-8033.s V137 - V153.s doi: 10.1190/GEO2010-0128.1.

Sanchis, Charlotte Juliette; Hanssen, Alfred. Multiple-input adaptive seismic noise canceller for the attenuation of nonstationary coherent noise. Geophysics 2011; Volum 76 (6). ISSN 0016-8033.s V139 - V150.s doi: 10.1190/GEO2010-0367.1.

Hanssen, Alfred. PART I: FUNDAMENTAL ISSUES IN ARRAY SIGNAL PROCESSING. (http://eu.wiley.com/WileyCDA/WileyTitle/productCd-0470371765,descCd-tableOfContents.html) John Wiley & Sons 2010 ISBN 978-0-470-37176-3.s 11 - 28.

Birkelund, Yngve; Hanssen, Alfred. Improved bispectrum based tests for Gaussianity and linearity. Signal Processing 2009; Volum 89 (12). ISSN 0165-1684.s 2537 - 2546.s doi: 10.1016/j.sigpro.2009.04.013.

Hanssen, Alfred; Holten, Terje; Flekkøy, Eirik Grude; Singer, Bension; Blixt, Erik Mårten; Måløy, Knut Jørgen. Vertical source, vertical receiver, electromagnetic technique for offshore hydrocarbon exploration. (http://fb.eage.org/content.php?id=28934) First Break 2009; Volum 27 (May). ISSN 0263-5046.s 89 - 93.

Hindberg, Heidi; Hanssen, Alfred; Olhede, Sofia. Thresholding the ambiguity function. Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing 2008. ISSN 1520-6149.s 3773 - 3776.s doi: 10.1109/ICASSP.2008.4518474.

Salberg, Arnt-Børre; Hanssen, Alfred; Scharf, Louis. Robust multidimensional matched subspace classifiers based on weighted least-squares. IEEE Transactions on Signal Processing 2007; Volum 55 (3). ISSN 1053-587X.s 873 - 880.s doi: 10.1109/TSP.2006.887560.

Hindberg, Heidi; Hanssen, Alfred. Generalized Spectral Coherences for Complex-Valued Harmonizable Processes. IEEE Transactions on Signal Processing 2007; Volum 55 (6). ISSN 1053-587X.s 2407 - 2413.s doi: 10.1109/TSP.2007.893932.

Olsmo Sæbø, Torstein; Hansen, Roy E.; Hanssen, Alfred. Relative Height Estimation by Cross-correlating Ground Range Synthetic Aperture Sonar Images. IEEE Journal of Oceanic Engineering 2007; Volum 32 (4). ISSN 0364-9059.s 971 - 982.s doi: 10.1109/JOE.2007.895244.

Salberg, Arnt-Børre; Hanssen, Alfred. A subspace theory for differential chaos-shift keying. IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing 2006; Volum 53 (1). ISSN 1057-7130.s 51 - 55.s doi: 10.1109/TCSII.2005.854590.

Schreier, Peter; Scharf, Louis; Hanssen, Alfred. A generalized likelihood ratio test for impropriety of complex signals. IEEE Signal Processing Letters 2006; Volum 13 (7). ISSN 1070-9908.s 433 - 436.s doi: 10.1109/LSP.2006.871858.

Hadziavdic, Vedad; Melandsø, Frank; Hanssen, Alfred. Particle tracking from image sequences of complex plasma crystals. Physics of Plasmas 2006; Volum 13. ISSN 1070-664X.s doi: 10.1063/1.1993548.

ØigÅrd, Tor Arne; Hanssen, Alfred; Scharf, Louis L.. Spectral correlations of fractional Brownian motion. Physical Review E. Statistical, Nonlinear, and Soft Matter Physics 2006; Volum 74. ISSN 1539-3755.s doi: 10.1103/PhysRevE.74.031114.

Schreier, Peter; Scharf, Louis; Hanssen, Alfred. A Statistical Test for Impropriety of Complex Random Signals. Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing 2006. ISSN 1520-6149.s III-796 - III-799.s doi: 10.1109/ICASSP.2006.1660774.

Scharf, Louis; Schreier, Peter; Hanssen, Alfred. The Hilbert space geometry of the Rihaczek distribution for stochastic analytic signals. IEEE Signal Processing Letters 2005; Volum 12 (4). ISSN 1070-9908.s 297 - 300.s doi: 10.1109/LSP.2005.843772.

Øigård, Tor Arne; Hanssen, Alfred; Hansen, Roy E.; Godtliebsen, Fred. EM-estimation and modeling of heavy-tailed processes with the multivariate normal inverse Gaussian distribution. Signal Processing 2005; Volum 85. ISSN 0165-1684.s doi: 10.1016/j.sigpro.2005.03.0.

Salberg, Arnt-Børre; Hanssen, Alfred. Stochastic mulitpulse-PAM: a subspace modulation technique with diversity. Signal Processing 2003; Volum 83 (12). ISSN 0165-1684.s 2559 - 2577.

Hanssen, Alfred; Scharf, Louis. A theory of polyspectra for nonstationary stochastic processes. IEEE Transactions on Signal Processing 2003; Volum 51 (5). ISSN 1053-587X.s 1243 - 1252.

Birkelund, Yngve; Hanssen, Alfred; Powers, Edward. On the estimation of nonlinear Volterra models in offshore engineering. International Journal of Offshore and Polar Engineering 2003; Volum 13 (1). ISSN 1053-5381.s 12 - 20.

Birkelund, Yngve; Hanssen, Alfred; Powers, Edward. Multitaper estimation of polyspectra. Signal Processing 2003; Volum 83. ISSN 0165-1684.s 545 - 559.

Larsen, Yngvar; Hanssen, Alfred; Krane, Bård; Pecseli, Hans L.; Trulsen, Jan. Time-resolved statistical analysis of non-linear electrostatic fluctuations in the ionospheric E-region. Journal of Geophysical Research (JGR) 2002; Volum 107 (1). ISSN 0148-0227.s doi: 10.129/2001JA900125.

Salberg, Arnt Børre; Hanssen, Alfred. Stochastic process shift keying: A novel modulation method for secure digital communications. (Fulltekst: http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7075250&newsearch=true&queryText=Stochastic%20process%20shift%20keying:%20A%20novel%20modulation%20method%20for%20secure%20digital%20communic European Signal Processing Conference 2000 (March). ISSN 2076-1465.

Hanssen, Alfred. Multidimensional Multitaper Spectral Estimation. Signal Processing 1997; Volum 58. ISSN 0165-1684.s 327 - 332.

Olsen, O. M.; Rypdal, Kristoffer; Hanssen, Alfred; Pecseli, Hans L.. Experimental Study of Low -Frequency Electrostatic Fluctuations in a Simple Magnetized Torus. Bulletin- American Physics Societe 1997; Volum II (42).s 2048 - .

Mjølhus, Einar; Hanssen, Alfred; DuBois, Donald F.. Radiation from electromagnetically driven Langmuir turbulence. Journal of Geophysical Research (JGR) 1995; Volum 100. ISSN 0148-0227.s 17527 - 17541.

Hanssen, Alfred; Pecseli, Hans L.; Stenflo, Lennart; Trulsen, Jan. Nonlinear Langmuir waves in a two-electron plasma. Journal of Plasma Physics 1994; Volum 51. ISSN 0022-3778.s 423 - 432.

DuBois, Donald F.; Hanssen, Alfred; Rose, Harvey A.; Russell, David. Space and time distribution of HF excited Langmuir turbulence in the ionosphere. Journal of Geophysical Research (JGR) 1993; Volum 98. ISSN 0148-0227.s 17543 - 17568.

DuBois, Donald F.; Hanssen, Alfred; Rose, Harvey A.; Russell, David. Excitation of strong Langmuir turbulence in the ionosphere: comparison of theory and experiment. Physics of Fluids 1993; Volum 5. ISSN 1070-6631.s 2616 - 2622.

Hanssen, Alfred; Mjølhus, Einar; DuBois, Donald F.; Rose, Harvey A.. Numerical test of the weak turbulence approximation to ionospheric Langmuir turbulence. Journal of Geophysical Research (JGR) 1992; Volum 97. ISSN 0148-0227.s 12073 - 12091.

DuBois, Donald F.; Hanssen, Alfred; Rose, Harvey A.. Comment on ``Langmuir turbulence and ionospheric modification'' by P.Stubbe, H.Kohl, and M.T. Rietveld. Journal of Geophysical Research (JGR) 1992; Volum 97. ISSN 0148-0227.s 15059 - 15066.

Hanssen, Alfred. Resonance broadening modification of weak plasma turbulence theory. Journal of Geophysical Research (JGR) 1991; Volum 96. ISSN 0148-0227.s 1867 - 1871.

Moser, Manuel; Bergès, Benoît; Hanssen, Alfred; Ferré, Benedicte. Long-term multibeam monitoring of natural methane seepage offshore Prins Karls Forland, Svalbard . EGU General Assembly 2020 (Sammendrag: https://doi.org/10.5194/egusphere-egu2020-7945) 2020-05-04 - 2020-05-08 2020.

Lasabuda, Amando Putra Ersaid; Laberg, Jan Sverre; Faleide, Jan Inge; Knutsen, Stig-Morten; Rydningen, Tom Arne; Hanssen, Alfred. Reviewing Cenozoic uplift and erosion of the Barents Sea: a new net erosion map from integration of various methods. ARCEx annual conference 2019-10-22 - 2019-10-24 2019.

Romeyn, Rowan; Hanssen, Alfred; Johansen, Tor Arne. Extracting dispersion curves from undersampled data by means of dynamic time warping interpolation. Lofotenseminaret 2019 2019-08-14 - 2019-08-14 2019.

Romeyn, Rowan; Stemland, Helene Meling; Hanssen, Alfred; Johansen, Tor Arne; Ruud, Bent Ole. Seismic surface wave investigations of frozen ground in Adventdalen, Svalbard. ARCEx Conference 2019 2019-10-22 - 2019-10-24 2019.

Hansen, Johanne; Hanssen, Alfred; Martens, Iver. Combining geophysical data with a mathematical model to describe vertical two-phase flow. (Fulltekst: http://hdl.handle.net/10037/12815 2018.

Romeyn, Rowan; Hanssen, Alfred; Johansen, Tor Arne. Fixing poorly sampled geophone array data by dynamic time warping. OG21-forum 2018 2018-11-29 - 2018-11-29 2018.

Romeyn, Rowan; Hanssen, Alfred; Johansen, Tor Arne. Mitigation of spatial aliasing in undersampled geophone arrays by dynamic time warping. ARCEx Conference 2018 2018-10-10 - 2018-10-10 2018.

Forsberg, Mariann; Hanssen, Alfred; Martens, Iver. Geofaglig kunnskap og holdninger til norsk petroleumsnæring; Et casestudie av Alta/Gohta. (Fulltekst: https://hdl.handle.net/10037/13040 2018.

Hanssen, Alfred. The good, the bad and the bubbly: a story about bubble physics. Bubbles 2017 - International PhD Summer School 2017-06-06 - 2017-06-16 2017.

Hanssen, Alfred. On the resource potential in the Barents Sea. SPE Workshop in Arctic Norway 2017-03-14 - 2017-03-15 2017.

Hanssen, Alfred. Assessing the resource potential in the offshore Arctic: Insights from the ARCEx-initiative. The Offshore Arctic under Lower Oil Prices - IEA GOT CP 2017-01-25 - 2017-01-26 2017.

Hanssen, Alfred. On beautiful bubbles and bothersome buckling: the interplay between numerical models and observational constraints. ARCEx Annual Conference 2017 2017-05-10 - 2017-05-11 2017.

Khodabandeloo, Babak; Landrø, Martin; Hanssen, Alfred. Numerical modelling of acoustically induced underwater cavities from seismic air-gun arrays. ARCEx Annual Conference 2017 2017-05-10 - 2017-05-11 2017.

Hagset, Andreas H; Martens, Iver; Hanssen, Alfred. Seismic attributes, well correlation and geostatistical analysis for sequence variability prediction in the Sleipner area. (Fulltekst: http://hdl.handle.net/10037/9320 2016.

Prytz, Alexander; Martens, Iver; Hanssen, Alfred. The Use of Seismic Attributes and Well Data for Prediction of Reservoir Sand Definition in the Vøring Basin, Norwegian Sea. 2016.

Furuholmen, Marcus; Hanssen, Alfred; Carter, R.; Hatlen, Kristin; Siesjö, Jan. RESIDENT AUTONOMOUS UNDERWATER VEHICLE SYSTEMS – A REVIEW OF DRIVERS, APPLICATIONS, AND INTEGRATION OPTIONS FOR THE SUBSEA OIL AND GAS MARKET. 11th Offshore Mediterranean Conference and Exhibition (Fulltekst: https://www.onepetro.org/download/conference-paper/OMC-2013-088?id=conference-paper%2FOMC-2013-088 2013-03-20 - 2013-03-22 2013.

Sanchis, Charlotte Juliette; Hanssen, Alfred. Attenuation of Seismic Noise by Sparse Code Shrinkage. 72nd EAGE Conference 2010-06-14 - 2010-06-17 2010.

Hindberg, Heidi; Hanssen, Alfred. Time-Frequency Characterization of Harmonizable Random Processes. 2009 ISBN 978-82-8236-007-4.

Hanssen, Alfred. Music technology: where physics, culture, and commersialism intersect. DIssensus: Research, Politics, Money and Journalism 2007-06-01 - 2007-06-01 2007.

Birkelund, Yngve; Hanssen, Alfred; Øigård, Tor Arne; Hindberg, Heidi; Holm, Sverre. The sound of rock 'n' roll: analysis and modelling of valve amplifier distortion for electric guitar. IMA Seventh Int. Conf. on Mathematics in Signal Processing 2006-12-18 - 2006-12-20 2007.

Birkelund, Yngve; Hanssen, Alfred; Øigård, Tor Arne; Hindberg, Heidi; Hanssen, Øistein. Analysis of Harmonic and Subharmonic Effects in a Transversal Flute Made from Heracleum Laciniatum. 7th Nordic Signal Processing Symposium (NORSIG'06) (Omtale: http://www.hi.is/pub/norsig2006/norsig2006-n14.html) 2006-07-07 - 2006-07-09 2007.

Hanssen, Alfred. The Hilbert Space Geometry of Spectra and Coherences for Harmonizable Stochastic Processes. Invited Guest Lecture 2007-03-13 - 2007-03-13 2007.

Hanssen, Alfred. Some Subharmonic Sound Effects in Bowed String Instruments and Wind Instruments: Analysis and Modeling. Invited Guest Lecture 2007-03-15 - 2007-03-15 2007.

Hanssen, Alfred. Some Subharmonic Sound Effects in Bowed String Instruments and Wind Instruments: Analysis and Modeling. Invited Guest Lecture 2007-03-09 - 2007-03-09 2007.

Hanssen, Alfred. The Hilbert Space Geometry of Spectra and Coherences for Harmonizable Stochastic Processes. Invited Guest Lecture 2007-03-08 - 2007-03-08 2007.

Hanssen, Alfred. Music and technology: a physicist's view. Project Workshop K-Star 2007-08-29 - 2007-08-29 2007.

Hanssen, Alfred. Musikkteknologi i et gitarsentrisk perspektiv. Kongsberg Jazzfestival 2007-07-04 - 2008-07-04 2007.

Hanssen, Alfred. Hva er lyd?. Foredrag for 1a, 1b og 1c ved Workinnmarka skole 2006-11-16 - 2006-11-17 2006.

Hanssen, Alfred; Kimura, Mari; Cho, Adrian. The Lowdown of Low Sounds. (Fulltekst: http://www.sciencemag.org/cgi/content/summary/313/5784/153c Science 2006; Volum 313 (5784). ISSN 0036-8075.s 153 - .s doi: 10.1126/science.313.5784.153c.

Hanssen, Alfred; Olsen, Lillian. Innslag om forskningsprosjekt i programposten "Kulturbeitet". 2006.

Hanssen, Alfred. Fra rock til barokk: om lyd, signalbehandling og musikk. (http://www.nrk.no/programmer/radio/p2_akademiet/5822109.html) (Fulltekst: http://www.nrk.no/programmer/radio/p2_akademiet/5822109.html (Omtale: http://www.nrk.no/programmer/radio/p2_akademiet/5822109.html) (Sammendrag: http://www.nrk.no/programmer/radio/p2_akademiet/5822109.html) 2006.

Hanssen, Alfred; Nordlys, Journalist. Fiolinmysteriet. 2006.

Hamer, Mick; Hanssen, Alfred. The Word: Subharmonics. (Fulltekst: http://www.newscientist.com/channel/opinion/mg19125711.600-the-word-subharmonics.html 2006.

Birkelund, Yngve; Hanssen, Alfred; Øygård, Tor-Arne; Hindberg, Heidi. Kernel-based estimators for the Kirkwood-Rihaczek time-frequency spectrum. The 14th European Signal Processing Conference, EUSIPCO, by Eurasip. 2006-09-04 - 2006-09-08 2006.

Hanssen, Alfred; Holm, Sverre; Birkelund, Yngve; Hindberg, Heidi; Øigård, Tor Arne. The sound of rock 'n' roll: analysis and modelling of valve amplifier distortion for electric guitar. IMA Seventh Int. Conf. on Mathematics in Signal Processing 2006-12-18 - 2006-12-20 2006.

Hanssen, Alfred. The Sound of Rock 'n' Roll: Analysis and Modelling of Valve Amplifier Distortion for Electric Guitar. Seventh Int. Conf. on Mathematics in Signal Processing 2006-12-17 - 2006-12-20 2006.

Hanssen, Alfred. Hva er det med radiorør og gitarister?. Studiemøtet Elektronikk og Data 2006-10-11 - 2006-10-12 2006.

Hanssen, Alfred; Hindberg, Heidi; Øigård, Tor Arne; Birkelund, Yngve; Hanssen, Øistein. Analysis of Harmonic and Subharmonic Effects in a Transversal Flute Made from Heracleum Laciniatum. 7th Nordic Signal Processing Symposium (NORSIG'06) (Omtale: http://www.hi.is/pub/norsig2006/norsig2006-n14.html) 2006-07-07 - 2006-07-09 2006.

Hindberg, Heidi; Birkelund, Yngve; Øigård, Tor Arne; Hanssen, Alfred. Kernel-based estimators for the Kirkwood-Rihaczek time-frequency spectrum. 14th European Signal Processing Conference (EUSIPCO 2006) (Omtale: http://www.eusipco2006.org/program.htm#1871) 2006-09-04 - 2006-09-08 2006.

Øigård, Tor Arne; Scharf, Louis; Hanssen, Alfred. Spectral correlations and synthesis of multidimensional fractional Brownian motion. 14th European Signal Processing Conference (EUSIPCO 2006) (Omtale: http://www.eusipco2006.org/program.htm#1796) 2006-09-04 - 2006-09-08 2006.

Schreier, Peter; Scharf, Louis; Hanssen, Alfred. A statistical test for impropriety of complex random signals. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP) 2006-05-14 - 2006-05-19 2006.

Hanssen, Alfred. En gitarbasert reise i signalbehandling. Realfagsdagene 2005 2005-01-23 - 2005-01-25 2005.

Hellesø, Olav Gaute; Hanssen, Alfred; Fredriksen, Åshild. NSB-tog i Tromsø. Fra Fysikkens Verden 2005 (3). ISSN 0015-9247.s 71 - 73.

Hanssen, Alfred; Grydeland, Ivar. Innslag om lyd, signalbehandling og musikk i "Verdt å vite" (NRK P2). 2005.

Hanssen, Alfred; Mathisen, Christine. Stå opp! Søndag 16. januar 2005. (Omtale: http://www2.nrk.no/redskap/bildegalleri/22554.html) 2005.

Hanssen, Alfred; Øigård, Tor Arne; Larsen, Yngvar. Harmonizable representations of nonstationary random processes and inhomogeneous random fields. European Geosciences Union, General Assembly (Fulltekst: http://www.cosis.net/members/meetings/sessions/oral_programme.php?p_id=128&s_id=2436 2005-04-24 - 2005-04-29 2005.

Schreier, Peter; Scharf, Louis; Hanssen, Alfred. A geometric interpretation of the rihaczek time-frequency distribution for stochastic signals. IEEE International Symposium on Information Theory 2005-09-04 - 2005-09-09 2005.

Hanssen, Alfred. Beregningsorientert rock and roll. Programseminar BEMATA-programmet 2005-10-24 - 2005-10-25 2005.

Birkelund, Yngve; Hanssen, Alfred; Øygård, Tor-Arne. Spectra, bispectral, and dual-frequency analysis of tube amplified electric guitar sound. IEEE Workshop on Applications of Signal Processing to Audio and Acoustics 2005-10-16 - 2005-10-19 2005.

Øigård, Tor Arne; Scharf, Louis; Hanssen, Alfred. Time-frequency and dual-frequency representation of fractional Brownian motion. IEEE Workshop on Statistical Signal Processing 2005-07-17 - 2005-07-20 2005.

Hanssen, Alfred; Øigård, Tor Arne; Birkelund, Yngve. Spectral, Bispectral, and Dual-Frequency Analysis of Tube Amplified Electric Guitar Sound. 2005 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics 2005-10-16 - 2005-10-19 2005.

Hanssen, Alfred. Fysikk i rock - et høylytt foredrag på 130 decibel. Debut-uka 2005 2005-08-22 - 2005-08-22 2005.

Hanssen, Alfred; Hasvold, Per Erlend. Fysikk + design = Rock 'n' roll. Forskningsdagene 2005 2005-09-29 - 2005-09-29 2005.

Hanssen, Alfred. Samspillet mellom musikk og fysikk. MNT-Forum Troms 2005-11-29 - 2005-11-29 2005.

Hanssen, Alfred. Fysikkmusikkshow for ungdomsskolen. Informasjonsmøte for elever fra ungdomsskolene i Tromsø 2005-01-24 - 2005.

Hanssen, Alfred. Fysikkmusikkshow. Informasjonsmøte for avgangselever fra VGS i Tromsø 2005-01-13 - 2005.

Hanssen, Alfred. En rocka reise gjennom signalbehandling. Forskningsdagene 2004-09-21 - 2004-09-21 2004.

Hanssen, Alfred; Downing, Jim. Sky lights' glowing glory likely to linger a night or two - Colors depend on where, and what collide. 2004.

Birkelund, Yngve; Hanssen, Alfred; Johansen, Jarle Andre. High-precision surrogate based tests for gaussianity and linearity. XII European Signal Processing Conference (EUSIPCO) 2004-09-06 - 2004-09-06 2004.

Øigård, Tor Arne; Hanssen, Alfred; Hansen, Roy E.. THE MULTIVARIATE NORMAL INVERSE GAUSSIAN DISTRIBUTION: EM-ESTIMATION AND ANALYSIS OF SYNTHETIC APERTURE SONAR DATA. European Signal Processing Conference 2004-09-06 - 2004-09-10 2004.

Hanssen, Alfred. Generalized coherences for nonstationary random processes. Third Nordic Symposium on Plasma Physics 2004-10-04 - 2004-10-07 2004.

Hanssen, Alfred; Larsen, Yngvar; Scharf, Louis. Complex time-frequency and dual-frequency spectra of harmonizable processes. European Signal Processing Conference (EUSIPCO) 2004-09-06 - 2004-09-10 2004.

Birkelund, Yngve; Johansen, Jarle Andre; Hanssen, Alfred. High-precision surrogate data based tests for Gaussianity and linearity of discrete time random processes. XII European Signal Processing Conference (EUSIPCO) 2004-10-06 - 2004-10-09 2004.

Salberg, Arnt-Børre; Harbitz, Alf; Hanssen, Alfred. Shape classification of partially occluded objects using subspace detectors. NOBIM 2004 2004-05-27 - 2004-05-28 2004.

Larsen, Yngvar; Hanssen, Alfred. Dual-frequency dual-wavenumber cross-coherence of nonstationary and inhomogeneous harmonizable random fields. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing (ICASSP) 2004-05-17 - 2004-05-21 2004.

Øigård, Tor Arne; Scharf, Louis; Hanssen, Alfred. Multivariate-multidimensional Rihaczek spectra and associated canonical correlations. Third IEEE Sensor Array and Multichannel Signal Processing Workshop 2004-07-18 - 2004-07-21 2004.

Larsen, Yngvar; Hanssen, Alfred. Dual-frequency dual-wavenumber formulations of harmonizable random fields. Third IEEE Sensor Array and Multichannel Signal Processing Workshop 2004-07-18 - 2004-07-21 2004.

Salberg, Arnt-Børre; Hanssen, Alfred; Harbitz, Alf. Robust subspace detectors based on weighted least squares. Third IEEE Sensor Array and Multichannel Signal Processing Workshop 2004-07-18 - 2004-07-21 2004.

Salberg, Arnt-Børre; Harbitz, Alf; Hanssen, Alfred. Shape classification of partially occluded objects using subspace detectors. IEEE International Conference on Image Processing 2004-10-24 - 2004-10-27 2004.

Hanssen, Alfred. Fysikk, musikk, og teknologi. Nordnorsk Rådgiverkonferanse 2004-11-29 - 2004-11-30 2004.

Hanssen, Alfred. Dr. Theremin og Dr. Moog: Historien om hvordan to fysikere skapte den elektroniske musikken. Fysikkforeninga 2004-11-11 - 2004-11-11 2004.

Birkelund, Yngve; Johansen, Jarle Andre; Hanssen, Alfred; Cressler, John D.; Van Rheenen, Arthur D.. Time Series Analysis of Low-Frequency Noise in SiGe HBTs. NORSK SYMPOSIUM I SIGNALBEHANDLING 2003 2003-10-02 - 2003-10-04 2003.

Hanssen, Alfred; Jenssen, Robert; Hindberg, Kristian. Fysikk som rocker. 2003.

Salberg, Arnt-Børre; Hanssen, Alfred. Hindrer tyvlytting. 2003.

Birkelund, Yngve; Hanssen, Alfred; Johansen, Jarle Andre; van Rheenen, Arthur D.; Cressler, John D.. Time series analysis of low-frequency noise in SiGe HBTs. Norsk symposium i signalbehandling 2003. 2003-10-02 - 2003-10-04 2003.

Larsen, Yngvar; Hanssen, Alfred. Dual-frequency dual-wavenumber cross-spectra of nonstationary and inhomogeneous harmonizable random fields. Norwegian Signal Processing Symposium 2003-10-02 - 2003-10-04 2003.

Larsen, Yngvar; Hanssen, Alfred. Spectral properties of nonstationary and inhomogenous harmonizable random fields. Thirty-Seventh Asilomar Conference on Signals, Systems and Computers 2003-11-09 - 2003-11-12 2003.

Hanssen, Alfred; Kongsli, Jonas; Hansen, Roy E.; Chapman, Sean. Statistics of synthetic aperture sonar images. OCEANS 2003 2003-09-22 - 2003-09-26 2003.

Salberg, Arnt-Børre; Harbitz, Alf; Hanssen, Alfred; Eltoft, Torbjørn. Segmentation of moving objects in image sequences with applications to fish detection. Norwegian Signal Processing Symposium 2003-10-02 - 2003-10-04 2003.

Hanssen, Alfred; Scharf, Louis. A theory of higher-order Rihaczek spectra. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing 2002-01-01 - 2002-01-01 2002.

Øigård, Tor Arne; Hanssen, Alfred. The multivariate normal inverse Gaussian heavy-talied distribution: simulation and estimation. IEEE int. Conf. on Acoustics, Speech, and Signal Processing 2002-05-13 - 2002-05-17 2002.

Hanssen, Alfred; Scharf, Louis. Polyspectra for nonstationary stochastic processes. 5th Nordic Signal Processing Symposium 2002-01-01 - 2002-01-01 2002.

Hanssen, Alfred; Scharf, Louis. Polyspectra for hamonizable stochastic processes. 36th Ann. Asilomar Conf. on Signals, Systems, and Computers 2002-01-01 - 2002-01-01 2002.

Jenssen, Robert; Øigård, Tor Arne; Eltoft, Torbjørn; Hanssen, Alfred. Sparse code shrinkage based on the normal inverse Gaussian density model. Proceedings of NORSIG'01 2001-10-01 - 2001-10-01 2001.

Larsen, yngvar; Hanssen, Alfred; Pecseli, Hans. Analysis of non-stationary mode coupling by means of wavelet-bicoherence. IEEE Conference Publications 2001; Volum 6.s 3581 - 3584.s doi: 10.1109/ICASSP.2001.940616.

Hanssen, Alfred; Øigård, Tor Arne. The normal inverse Gaussian distribution: a versatile model for heavy-tailed stochastic processes. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing 2001-05-01 - 2001-05-01 2001.

Larsen, Yngvar; Hanssen, Alfred; Krane, Bård; Pecseli, Hans L.; Trulsen, Jan. Wave couplings in the ionospheric E-region; a time-resolved statistical analysis. XXV ICPIG, International Conference on Phenomena in Ionized Gases 2001-07-17 - 2001-07-22 2001.

Larsen, Yngvar; Hanssen, Alfred; Pecseli, Hans L.. Analysis of non-stationary mode coupling by means of wavelet-bicoherence. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing 2001-05-01 - 2001-05-01 2001.

Jenssen, Robert; Øigård, Tor Arne; Eltoft, Torbjørn; Hanssen, Alfred. Sparse code shrinkage based on the normal inverse Gaussian density model. 3rd Int. Conf. on Independent Component Analysis and Blind Signal Separation 2001-12-09 - 2001-12-12 2001.

Scharf, Louis; Friedlander, B.; Flandrin, P.; Hanssen, Alfred. The Hilbert space geometry of the stochastic Rihaczek distribution. 35th Annual Asilomar Conf. on Signals, Systems, and Computers 2001-11-01 - 2001-11-01 2001.

Salberg, Arnt Børre; Swami, A.; Øigård, Tor Arne; Hanssen, Alfred. The normal inverse Gaussian distribution as a model for multi-user interference. Thirty-fifth Annual Asilomar Conf. on Signals, Systems, and Computers 2001-11-01 - 2001-11-01 2001.

Salberg, Arnt-Børre; Hanssen, Alfred. Digital communications using low-rank noise processes: subspace detectors. MILCOM-2001 2001-10-28 - 2001-10-31 2001.

Salberg, Arnt-Børre; Hanssen, Alfred. Subspace detectors for stochastic process shift keying. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing 2001-05-01 - 2001-05-01 2001.

Birkelund, Yngve; Hanssen, Alfred; Powers, Edward. Multitaper estimation of bicoherence. IEEE Int. Conf. on Acoustics, Speech, and Signal Processing 2001-05-01 - 2001-05-01 2001.

Birkelund, Yngve; Hanssen, Alfred. Bispectral estimation: A multitaper approach. X European Signal Processing Conference 2000-01-01 - 2000-01-01 2000.

Anfinsen, Stian Normann; Hanssen, Alfred. A Detection Theoretical Approach to Digital Communications Using Autoregressive Process Shift Keying. 2000.

Øigård, Tor Arne; Salberg, Arnt Børre; Hanssen, Alfred. Pattern Recognition by Means of Higher-Order Statistics. Conf. Norwegian Society for Image Processing and Pattern Recognition 2000-01-01 - 2000-01-01 2000.

Salberg, Arnt-Børre; Hanssen, Alfred. Stochastic Process Shift Keying: A Novel Modulation Method for Secure Digital Communications. European Signal Processing Conference 2000-09-04 - 2000-09-08 2000.

Hanssen, Alfred; Øigård, Tor Arne. The normal inverse Gaussian distribution as a flexible model of heavy-tailed processes. IEEE-EURASIP Workshop on Nonlinear Signal and Image Processing 2001-06-01 - 2001-06-01 2000.

Birkelund, Yngve; Hanssen, Alfred. Multiwindow bispectral estimation. IEEE Workshop on Statistical Signal and Array Processing 2000-01-01 - 2000-01-01 2000.

Birkelund, Yngve; Hanssen, Alfred. Adaptive bispectral estimation using Thomson's multitaper approach. IEEE Adaptive Systems for Signal Processing, Communication and Control Symposium 2000-01-01 - 2000-01-01 2000.

Hanssen, Alfred; Birkelund, Yngve. Multitaper estimators for bispectra. IEEE Workshop on Higher-Order Statistics 1999-01-01 - 1999-01-01 1999.

Salberg, Arnt-Børre; Hanssen, Alfred. Secure digital communications by means of stochastic process shift keying: Principles and Properties. 33rd Asilomar Conference on Signals, Systems and Computers 1999-10-24 - 1999-10-26 1999.

Salberg, Arnt-Børre; Hanssen, Alfred. Secure digital communications by means of stochastic process shift keying: Principles and Properties. Norwegian Signal Process. Symp 1999-09-09 - 1999-11-09 1999.

Hanssen, Alfred; Salberg, Arnt-Børre. Secure digital communications by means of stochastic process shift keying. NORSIG -99 1999-01-01 - 1999-01-01 1999.

Salberg, Arnt-Børre; Hanssen, Alfred. Secure digital communications by means of stochastic process shift keying. Thirty-third Asilomar Conf. Signals, Syst., Comp 1999-01-01 - 1999-01-01 1999.

Hanssen, Alfred; Birkelund, Yngve. Multitaper based bispectral estimators. NORSIG-99. 1999-01-01 - 1999-01-01 1999.

Hanssen, Alfred; Finsrud, M.. Multitaper estimators for the autocorrelation function. Eighth IEEE Digital Signal Processing Workshop 1998-08-09 - 1998-08-12 1998.

Laukli, K.; Finsrud, M.; Hanssen, Alfred. A Modified Yule-Walker Method for Autoregressive Parameter Estimation. Norwegian Signal Proc. Symp. 1997 1997-05-23 - 1997-05-24 1997.

Hanssen, Alfred. Reiserapport fra ICIC '97. NORSIGnalet : organ for NORSIG, Norsk forening for signalbehandling 1997 (2). ISSN 0804-5623.

Finsrud, M.; Laukli, K.; Hanssen, Alfred. Estimation of Autocorrelation Functions by Multitapering. Norwegian Signal Proc. Symp. 1997 1997-05-23 - 1997-05-24 1997.

Hanssen, Alfred. A Multidimensional Multitaper Spectral Estimation Technique. Norwegian Signal Proc. Symp. 1997 1997-05-23 - 1997-05-24 1997.

Hanssen, Alfred. Higher-Dimensional Spectral Estimation by Means of Multitapering. 1997 Int. Conf. on Information, Communications and Signal Processing 1997-09-09 - 1997-09-12 1997.