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2018
1 Hansen, Roy Edgar; Sæbø, Torstein Olsmo; Synnes, Stig Asle Vaksvik; Lorentzen, Ole J..
Challenges in Coregistration of Repeated Passes in Synthetic Aperture Sonar. European Conference on Synthetic Aperture Radar (EUSAR); 2018-06-04 - 2018-06-08
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2 Lorentzen, Ole J.; Synnes, Stig Asle Vaksvik; Hansen, Roy Edgar; Sæbø, Torstein Olsmo.
Investigating layover effects in cross-correlation based interferometry for synthetic aperture sonar. European Conference on Synthetic Aperture Radar (EUSAR); 2018-06-04 - 2018-06-08
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2017
3 Geilhufe, Marc; Voss, Hauke; Hansen, Roy Edgar; Midtgaard, Øivind; Synnes, Stig Asle Vaksvik; Sæbø, Torstein Olsmo.
Towards automated HF sidescan sonar performance estimation. 4th Underwater Acoustics Conference and Exhibition; 2017-09-03 - 2017-09-08
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4 Hansen, Roy Edgar; Synnes, Stig Asle Vaksvik; Lorentzen, Ole J.; Sæbø, Torstein Olsmo.
Synthetic Aperture Sonar Interferometry Mapping of the Seabed. Scandinavian Symposium on Physical Acoustics (SSPA); 2017-01-29 - 2017-02-01
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5 Hansen, Roy Edgar; Sæbø, Torstein Olsmo; Lorentzen, Ole J.; Synnes, Stig Asle Vaksvik.
Mapping unexploded ordnance (UXO) using interferometric synthetic aperture sonar. 4th Underwater Acoustics Conference and Exhibition; 2017-09-03 - 2017-09-08
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6 Hansen, Roy Edgar; Sæbø, Torstein Olsmo; Synnes, Stig Asle Vaksvik; Lorentzen, Ole J..
Synthetic aperture sonar interferometry for detailed seabed mapping: Performance considerations. Acoustics '17 Boston; 2017-06-25 - 2017-06-29
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7 Lorentzen, Ole J.; Synnes, Stig Asle Vaksvik; Hansen, Roy Edgar; Sæbø, Torstein Olsmo; Geilhufe, Marc.
Local probability-based phase unwrapping for synthetic aperture sonar interferometry. 4th Underwater Acoustics Conference and Exhibition; 2017-09-03 - 2017-09-08
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8 Synnes, Stig Asle Vaksvik; Hunter, Alan Joseph; Hansen, Roy Edgar; Sæbø, Torstein Olsmo; Callow, Hayden John; Van Vossen, Robbert; Austeng, Andreas.
Wideband synthetic aperture sonar backprojection with maximization of wave number domain support. IEEE Journal of Oceanic Engineering 2017 ;Volum 42.(4) s. 880-891
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9 Sæbø, Torstein Olsmo; Hansen, Roy Edgar; Synnes, Stig Asle Vaksvik; Lorentzen, Ole J..
Depth estimation of water column objects using interferometric synthetic aperture sonar. Acoustics '17 Boston; 2017-06-25 - 2017-06-29
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2016
10 Hansen, Roy Edgar; Geilhufe, Marc; Synnes, Stig Asle Vaksvik; Midtgaard, Øivind; Sæbø, Torstein Olsmo.
In-situ performance assessment for high frequency seabed imaging sidescan sonar. Acoustic and environmental variability, fluctuations and coherence; 2016-12-12 - 2016-12-13
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11 Synnes, Stig Asle Vaksvik; Sæbø, Torstein Olsmo; Hansen, Roy Edgar.
Interferometry using phase slope estimation. 11th European Conference on Synthetic Aperture Radar (EUSAR 2016); 2016-06-06 - 2016-06-09
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12 Synnes, Stig Asle Vaksvik; Sæbø, Torstein Olsmo; Hansen, Roy Edgar.
Interferometry using phase slope estimation. Electronic proceedings (EUSAR) 2016 ;Volum 2016:7559359. s. 1-4
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13 Vestgården, Jørn Inge; Karlsen, Marcus; Synnes, Stig Asle Vaksvik; Lorentzen, Ole J..
Ship Wake Signatures measured by AUV with upward looking high-frequency sonar. Undersea Defence Techology; 2016-06-01 - 2016-06-03
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2015
14 Geilhufe, Marc; Connors, Warren A.; Synnes, Stig Asle Vaksvik; Midtgaard, Øivind; Sæbø, Torstein Olsmo; Hansen, Roy Edgar; Dugelay, Samantha.
Assessment of mine hunting performance evaluation parameters across multiple side-looking sonar systems and frequencies. I: OCEANS'15 MTS/IEEE Washington, Washington DC, 19-22 October, 2015. IEEE conference proceedings 2015 ISBN 978-0-933957-43-5. s. -
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15 Synnes, Stig Asle Vaksvik; Hansen, Roy Edgar.
Aspect-dependent scattering in widebeam synthetic aperture sonar. Underwater Acoustics Conference and Exhibition (UACE); 2015-06-21 - 2015-06-26
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2014
16 Geilhufe, Marc; Dugelay, Samantha; Synnes, Stig Asle Vaksvik; Sæbø, Torstein Olsmo; Midtgaard, Øivind; Hansen, Roy Edgar.
Comparative study of frequency dependency in high resolution sonar imagery from the MANEX'13 sea trials. Synthetic Aperture Sonar and Synthetic Aperture Radar (SAS/SAR); 2014-09-17 - 2014-09-19
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17 Geilhufe, Marc; Dugelay, Samantha; Synnes, Stig Asle Vaksvik; Sæbø, Torstein Olsmo; Midtgaard, Øivind; Hansen, Roy Edgar.
Comparative study of frequency dependency in high resolution sonar imagery from the MANEX'13 sea trials. I: Proceedings of International Conference Synthetic Aperture Sonar and Synthetic Aperture Radar. UK: Institute of Acoustics 2014 ISBN 978-1-906913-17-5. s. 191-200
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2013
18 Blomberg, Ann Elisabeth Albright; Austeng, Andreas; Hansen, Roy Edgar; Synnes, Stig Asle Vaksvik.
Improving Sonar Performance in Shallow Water Using Adaptive Beamforming. IEEE Journal of Oceanic Engineering 2013 ;Volum 38.(2) s. 297-307
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19 Lorentzen, Ole Jacob; Synnes, Stig Asle Vaksvik; Syre Wiig, Martin; Glette, Kyrre Harald.
Environmentally Adaptive Sonar. Underwater Acoustics Conference 2013; 2013-06-23 - 2013-06-28
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20 Lorentzen, Ole Jacob; Synnes, Stig Asle Vaksvik; Syre Wiig, Martin; Glette, Kyrre Harald.
Environmentally Adaptive Sonar. I: Proceedings of 1st International Conference and Exhibition on Underwater Acoustics. : IACM-FORTH 2013 ISBN 978-618-80725-0-3. s. 583-590
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21 Synnes, Stig Asle Vaksvik; Hansen, Roy Edgar.
Ultra wideband SAS imaging. UA2013 Underwater Acoustics International Conference and Exibition; 2013-06-23 - 2013-06-28
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22 Sæbø, Torstein Olsmo; Synnes, Stig Asle Vaksvik; Hansen, Roy Edgar.
Wideband Interferometry in Synthetic Aperture Sonar. IEEE Transactions on Geoscience and Remote Sensing 2013 ;Volum 51.(8) s. 4450-4459
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2012
23 Sæbø, Torstein Olsmo; Synnes, Stig Asle Vaksvik; Hansen, Roy Edgar.
Wideband Interferometry in Synthetic Aperture Sonar. Proceedings of the 9th European Conference on Synthetic Aperture Radar; 2012-04-23 - 2012-04-26
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2011
24 Blomberg, Ann Elisabeth Albright; Hansen, Roy Edgar; Synnes, Stig Asle Vaksvik; Austeng, Andreas.
Improved interferometric sonar performance in shallow water using adaptive beamforming. Underwater Acoustic Measurements: Technologies & Results; 2011-06-20 - 2011-06-24
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25 Callow, Hayden John; Sæbø, Torstein Olsmo; Hansen, Roy Edgar; Synnes, Stig Asle Vaksvik.
SAS beamforming through a vertical sound speed profile. Underwater Acoustic Measurements: Technologies & Results; 2011-06-20 - 2011-06-24
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26 Hansen, Roy Edgar; Callow, Hayden John; Sæbø, Torstein Olsmo; Synnes, Stig Asle Vaksvik.
Challenges in Seafloor Imaging and Mapping With Synthetic Aperture Sonar. IEEE Transactions on Geoscience and Remote Sensing 2011 ;Volum 49.(10) s. 3677-3687
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27 Sæbø, Torstein Olsmo; Hansen, Roy Edgar; Callow, Hayden John; Synnes, Stig Asle Vaksvik.
Coregistration of synthetic aperture sonar images from repeated passes. Underwater Acoustic Measurements: Technologies & Results; 2011-06-20 - 2011-06-24
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2010
28 Callow, Hayden John; Synnes, Stig Asle Vaksvik; Sæbø, Torstein Olsmo; Hansen, Roy Edgar.
Autofocus for Circular Synthetic Aperture Imaging. International Conference on Synthetic Aperture Sonar and Synthetic Aperture Radar; 2010-09-13 - 2010-09-14
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29 Hansen, Roy Edgar; Callow, Hayden John; Sæbø, Torstein Olsmo; Synnes, Stig Asle Vaksvik.
Challenges in Seafloor Imaging and Mapping with Synthetic Aperture Sonar. Eighth European Conference on Synthetic Aperture Radar; 2010-06-07 - 2010-06-10
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30 Hansen, Roy Edgar; Callow, Hayden John; Sæbø, Torstein Olsmo; Synnes, Stig Asle Vaksvik.
Robust synthetic aperture sonar for autonomous underwater vehicles. International Conference on Synthetic Aperture Sonar and Radar; 2010-09-13 - 2010-09-14
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31 Synnes, Stig Asle Vaksvik; Callow, Hayden John; Hansen, Roy Edgar; Sæbø, Torstein Olsmo.
Multipass coherent processing on synthetic aperture sonar data. Tenth European Conference on Underwater Acoustics; 2010-07-05 - 2010-07-09
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2009
32 Callow, Hayden John; Hansen, Roy Edgar; Synnes, Stig Asle Vaksvik; Sæbø, Torstein Olsmo.
Circular SAS without a beacon. Proceedings of Underwater Acoustic Measurements 2009: Technologies & Results; 2009-06-21 - 2009-06-26
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33 Hansen, Roy Edgar; Callow, Hayden John; Sæbø, Torstein Olsmo; Synnes, Stig Asle Vaksvik; Hagen, Per Espen; Fossum, Terje Gunnar; Langli, Bjørnar.
Synthetic aperture sonar in challenging environments: Results from the HISAS 1030. Proceedings of Underwater Acoustic Measurements 2009: Technologies & Results; 2009-06-21 - 2009-06-26
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34 Synnes, Stig Asle Vaksvik; Hansen, Roy Edgar; Sæbø, Torstein Olsmo.
Assessment of shallow water performance using interferometric sonar coherence. Proceedings of Underwater Acoustic Measurements 2009: Technologies & Results; 2009-06-21 - 2009-06-26
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2008
35 Synnes, Stig Asle Vaksvik.
Representing elongated magnetic sources by prolate spheroidal harmonics developed on an optimized coordinate system. IEEE transactions on magnetics 2008 ;Volum 44.(10) s. 2277-2282
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1999
36 Synnes, Stig Asle; Sørås, Finn; Hansen, Jan Petter.
Monte-Carlo simulations of proton aurora. Journal of Atmospheric and Terrestrial Physics 1999 ;Volum 60. s. 1695-2007
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1998
37 Hansen, Jan Petter; Kocbach, Ladislav; Synnes, Stig Asle; Wang, Junbai; Dubois, Alain.
Origin of the structures in the excitation cross section in ion-atom collisions. Physical Review A. Atomic, Molecular, and Optical Physics 1998 ;Volum 57.(6) s. R4086-R4089
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38 Synnes, S. A.; Søraas, Finn; Hansen, Jan Petter.
Monte-Carlo simulations of proton aurora. Journal of Atmospheric and Solar-Terrestrial Physics 1998 ;Volum 60. s. 1695-1705
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39 Synnes, S.A.; Søraas, Finn; Hansen, Jan Petter.
Monte-Carlo simulations of proton aurora. Journal of Atmospheric and Terrestrial Physics 1998
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40 Hansen, JP; Kocbach, Ladislav; Synnes, SA; Wang, Junbai.
Origin of the structures in the excitation cross sections in ion-atom collisions,. Physical Review A. Atomic, Molecular, and Optical Physics 1998
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1997
41 Synnes, Stig Asle.
Protonnordlys : atomære prosessar og transport av ladd og nøytralt hydrogen i den øvre atmosfære. : [Mangler utgivernavn] 1997 110 s.
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