Now showing items 521-540 of 843

    • Behavior of captive herring exposed to naval sonar transmissions (1.0-1.6 kHz) throughout a yearly cycle 

      Doksæter, Lise Henriksen; Handegard, Nils Olav; Godø, Olav Rune; Kvadsheim, Petter Helgevold; Nordlund, Nina (2012)
      Atlantic herring, Clupea harengus, is a hearing specialist, and several studies have demonstrated strong responses to man-made noise, for example, from an approaching vessel. To avoid negative impacts from naval sonar ...
    • Calprotectin (S100A8/S100A9) and myeloperoxidase: Co-regulators of formation of reactive oxygen species 

      Bøyum, Arne; Skrede, Knut Kristian; Myhre, Oddvar; Tennfjord, Vivi-Ann; Neurauter, Christine Gran; Tolleshaug, Helge; Knudsen, Eirunn; Opstad, Per Kristian; Bjørås, Magnar; Benestad, Haakon Breien (2010)
      Inflammatory mediators trigger polymorphonuclear neutrophils (PMN) to produce reactive oxygen species (ROS: O2-, H2O2, ∙OH). Mediated by myeloperoxidase in PMN, HOCl is formed, detectable in a chemiluminescence (CL) assay. ...
    • Minute-scale period oscillations of the magnetosphere 

      Børve, Steinar; Sato, Hiroatsu; Pecseli, Hans; Trulsen, Jan Karsten (2011)
      Oscillations with periods on the order of 5–10 min have been observed by instrumented spacecrafts in the Earth's magnetosphere. These oscillations often follow sudden impacts related to coronal mass ejections. It is ...
    • Time-lapse imaging of human heart motion with switched array UWB radar 

      Brovoll, Sverre; Berger, Tor; Paichard, Yoann; Aardal, Øyvind; Lande, Tor Sverre; Hamran, Svein-Erik (2014)
      Radar systems for detection of human heartbeats have mostly been single-channel systems with limited spatial resolution. In this paper, a radar system for ultra-wideband (UWB) imaging of the human heart is presented. To ...
    • XML and Web services security standards 

      Nordbotten, Nils Agne (2009)
      XML and Web services are widely used in current distributed systems. The security of the XML based communication, and the Web services themselves, is of great importance to the overall security of these systems. Furthermore, ...
    • Exploring Network Organization in Military Contexts: Effects of Flatter Structure and More Decentralized Processes 

      Bjørnstad, Anne Lise (2011)
      Changes in the tasks and responsibilities of military organizations in recent decades have prompted new organizational solutions collectively known as network organization. Network organization includes changes to central ...
    • Russian defense spending after 2010: the interplay of personal, domestic, and foreign policy interests 

      Hakvåg, Una (2017)
      Since 2010, Russia’s defense spending has seen an average annual real growth of 10%, causing a profound shift in the composition of government expenditure. This article examines the formal and informal processes through ...
    • Optical parametric master oscillator and power amplifier for efficient conversion of high-energy pulses with high beam quality 

      Arisholm, Gunnar; Nordseth, Ørnulf; Rustad, Gunnar (2004)
      We describe a system for parametric conversion of high-energy, Q-switched laser pulses from 1.064 µm to 2.1 µm in KTiOPO4. High beam quality and efficiency are obtained by use of a two-stage system: An optical parametric ...
    • Comparison of two methods for automatic range alignment in ISAR imaging 

      Berger, Tor; Tollisen, Steffen; Hamran, Svein-Erik (2011)
      A maximum likelihood algorithm for translational motion estimation (TME) in ISAR imaging is described and compared with prominent point processing (PPP). It is suggested that the kurtosis (fourth order central moment) of ...
    • Traffic flow confidentiality in federated networks - Multi-topology routing and security options 

      Bentstuen, Ole Ingar; Carlén, Per (2014)
      Traffic Flow Confidentiality (TFC) aims to prevent analysis of traffic flows. According to the principles of Protected Core Networking (PCN), TFC should be provided as a service in the network and not implemented by the ...
    • Vocal matching of naval sonar signals by long-finned pilot whales (Globicephala melas) 

      Alves, Ana; Antunes, Ricardo; Bird, Anna; Tyack, Peter L.; Miller, Patrick James O'Malley; Lam, Frans-Peter A.; Kvadsheim, Petter Helgevold (2014)
    • High thresholds for avoidance of sonar by free-ranging long-finned pilot whales (Globicephala melas) 

      Antunes, Ricardo; Kvadsheim, Petter Helgevold; Lam, Frans-Peter A.; Tyack, Peter L.; Thomas, Len; Wensveen, Paul J.; Miller, Patrick James O'Malley (2014)
      The potential effects of exposing marine mammals to military sonar is a current concern. Dose–response relationships are useful for predicting potential environmental impacts of specific operations. To reveal behavioral ...
    • Chirped pulses sum frequency generation for deep-UV picosecond pulse shaping 

      Vicario, Carlo; Trisorio, Alexandre; Arisholm, Gunnar; Hauri, Christoph P. (2012)
      We show by experiments and simulations that properly chirped laser pulses enable efficient and broadband sum frequency generation in nonlinear crystals. We achieved high energy, picosecond deep-UV pulses with spectral ...
    • Framtiden for russisk verneplikt 

      Andresen, Rolf-Inge Vogt (2010)
      Russia is currently implementing the most comprehensive reform of its Armed Forces since the 1920s – «the Serdiukov reforms». Conscription will be maintained at the same time as important parts of the Armed Forces will be ...
    • The Dalton quantum chemistry program system 

      Aidas, Kestutis; Angeli, Celestino; Bak, Keld L.; Bakken, Vebjørn; Bast, Radovan; Boman, Linus; Christiansen, Ove; Cimiraglia, Renzo; Coriani, Sonja; Dahle, Pål; Dalskov, Erik K.; Ekström, Ulf Egil; Enevoldsen, Thomas; Eriksen, Janus J.; Ettenhuber, Patrick; Fernández, Berta; Ferrighi, Lara; Fliegl, Heike; Frediani, Luca; Hald, Kasper; Halkier, Asger; Hattig, Christof; Heiberg, Hanne; Helgaker, Trygve; Hennum, Alf Christian; Hettema, Hinne; Hjertenæs, Eirik; Høst, Stine; Høyvik, Ida Marie; Iozzi, Maria Francesca; Jansik, Brannislav; Jensen, Hans-Jørgen Aa.; Jonsson, Dan Johan; Jørgensen, Poul; Kauczor, Johanna; Kirpekar, Sheela; Kjærgaard, Thomas; Klopper, Wim; Knecht, Stefan; Kobayashi, Rika; Koch, Henrik; Kongsted, Jacob; Krapp, Andreas; Kristensen, Kasper; Ligabue, Andrea; Lutnæs, Ola B.; Melo, Juan I.; Mikkelsen, Kurt V.; Myhre, Rolf Heilemann; Neiss, Christian; Nielsen, Christian B.; Norman, Patrick; Olsen, Jeppe; Olsen, Jogvan Magnus H.; Osted, Anders; Packer, Martin J.; Pawlowski, Filip; Pedersen, Thomas Bondo; Provasi, Patricio F.; Reine, Simen Sommerfelt; Rinkevicius, Zilvinas; Ruden, Torgeir A.; Ruud, Kenneth; Rybkin, Vladimir V.; Salek, Pawel; Samson, Claire C. M.; Sanchez de Meras, Alfredo; Saue, Trond; Sauer, Stephan P. A.; Schimmelpfennig, Bernd; Sneskov, Kristian; Steindal, Arnfinn Hykkerud; Sylvester-Hvid, Kristian O.; Taylor, Peter R.; Teale, Andrew M.; Tellgren, Erik; Tew, David P.; Thorvaldsen, Andreas J.; Thøgersen, Lea; Vahtras, Olav; Watson, Mark A.; Wilson, David J. D.; Ziolkowski, Marcin; Ågren, Hans (2014)
      Dalton is a powerful general-purpose program system for the study of molecular electronic structure at the Hartree–Fock, Kohn–Sham, multiconfigurational self-consistent-field, Møller–Plesset, configuration-interaction, and ...
    • Post-blast explosive residue-a review of formation and dispersion theories and experimental research 

      Abdul-Karim, Nadia; Blackman, Christopher S.; Gill, Philip P.; Wingstedt, Emma My Maria; Reif, Bjørn Anders Pettersson (2014)
      The presence of undetonated explosive residues following high order detonations is not uncommon, however the mechanism of their formation, or survival, is unknown. The existence of these residues impacts on various scenarios, ...
    • Multiband Passive Bistatic Radar Coherent Range and Doppler-Walk Compensation 

      Olsen, Karl Erik; Christiansen, Jonas Myhre (2015)
      The work simulates the performance of a coherent Passive Bistatic Radar multiband processing algorithm. The aim of the work is to present improved range resolution by coherently combine non-adjacent DVB-T channels, while ...
    • SYSIPHE system: A state of the art airborne hyperspectral imaging system. Initial results from the first airborne campaign 

      Rousset-Rouviere, Laurent; Coudrain, Christophe; Fabre, Sophie; Poutier, Laurent; Løke, Trond; Fridman, Andrei; Blaaberg, Søren; Baarstard, Ivar; Skauli, Torbjørn; Mocoeur, Isabelle (2014)
      SYSIPHE is an airborne hyperspectral imaging system, result of a cooperation between France (Onera and DGA) and Norway (NEO and FFI). It is a unique system by its spatial sampling -0.5m with a 500m swath at a ground height ...