Now showing items 161-180 of 2875

    • Anonymous Tokens with Public Metadata and Applications to Private Contact Tracing 

      Silde, Tjerand; Strand, Martin (2022-10-22)
      Anonymous single-use tokens have seen recent applications in private Internet browsing and anonymous statistics collection. We develop new schemes in order to include public metadata such as expiration dates for tokens. ...
    • Mobbing og seksuell trakassering ved FB, FD, FMA og FFI 

      Fasting, Kari; Ubisch, Sverre; Strand, Kari Røren; Hanson, Torbjørn (2023-01-06)
      I juni 2022 gjennomførte vi en spørreundersøkelse om mobbing og seksuell trakassering i Forsvarsdepartementet (FD) og de underliggende etatene Forsvarsbygg (FB), Forsvarets forskningsinstitutt (FFI) og Forsvarsmateriell ...
    • Cost-Effective Flight Strategy for Aerial Thermography Inspection of Photovoltaic Power Plants 

      Lofstad-Lie, Victoria; Marstein, Erik Stensrud; Simonsen, Aleksander; Skauli, Torbjørn (2022-11-06)
      Thermography from unmanned aerial vehicles (UAV) is widely used for module condition surveys and defect detection in solar (photovoltaic) power plants. This article presents an optimized defect inspection procedure in which ...
    • Collision Avoidance for Underactuated Surface Vehicles in the Presence of Ocean Currents 

      Haraldsen, Aurora; Syre Wiig, Martin; Pettersen, Kristin Ytterstad (2022-11-29)
      This paper considers the problem of collision avoidance for surface vehicles moving under the influence of ocean currents. The vehicles we consider have underactuated dynamics, where the vehicle cannot directly control its ...
    • Freezing Unicast Paths in Sensor Swarms 

      Larsen, Erlend; Vågsether, Håkon Solevåg; Landmark, Lars (2022-09-22)
      Drone swarms have great potential to convey sensor information. However, a swarm may have a very high degree of topology dynamics. This impedes the sensor data distribution from the sensor node to consumers which are ...
    • Aerosol transport in idealized wind-wave systems 

      Åkervik, Espen (2022-12-22)
      This report deals with aerosol transport in turbulent wind over water waves. For simple terrain onshore, there appears to be consensus that aerosol transport is well described by simple models. However, for complex terrain ...
    • Change detection on shipwrecks using synthetic aperture sonar – North Sea Wrecks Task 3.5 Deep Water Case Study 

      Hansen, Roy Edgar (2022-12-16)
      During the last 15 years, synthetic aperture sonar (SAS) technology has matured substantially. Today SAS represents state-of-the-art in seabed imaging and mapping when used on autonomous underwater vehicles (AUV). SAS ...
    • Characterization of the chemical, biological and radiological environment in the Arctic World Archive 

      Skogan, Gunnar; Bøifot, Kari Oline; Orr, Russell John Scott; Dybwad, Marius; Enger, Elin; Bunkan, Arne Joakim Coldevin; Gohli, Jostein (2022-12-16)
      This report describes the characterization of the chemical, biological and radiological environment in a decommissioned coal mine (Mine 3) on Svalbard, where the Artic World Archive (AWA), established by Piql and Store ...
    • Informasjonsdeling i Forsvarets beslutningsprosesser –kritiske suksessfaktorer 

      Elstad, Ann-Kristin; Lund, Ketil; Bloebaum, Trude H.; Kristiansen, Stein (2022-12-12)
      Evnen til kommando og kontroll (K2) er grunnleggende for at Forsvaret skal kunne løse sine oppgaver. Denne rapporten skal bidra til større forståelse for muligheter og hindre for effektiv K2, gjennom å undersøke ...
    • Sourcing for Forsvarets IKT-virksomhet – skisse til rammeverk 

      Elstad, Ann-Kristin; Endregard, Monica; Mykkeltveit, Anders (2022-12-12)
      Strategisk samarbeid har fått økt oppmerksomhet i de siste tre langtidsperiodene. Forsvarsdepartementet har etablert prinsippet så sivilt som mulig og så militært som nødvendig for at Forsvaret skal kunne nyttiggjøre seg ...
    • Laserstråling gjennom turbulent atmosfære – Del 2 – atmosfære 

      Schiller, Andreas (2022-12-15)
      Prosjektet "laservåpen og beskyttelse" innenfor forskningsprogrammet "luftvern, ubemannede luftsystemer og laser" går ut på å utvikle høyeffektlasere som mottiltak mot innkommende prosjektiler, droner og liknende. ...
    • Compact multimodal multispectral sensor system for tactical reconnaissance 

      Haavardsholm, Trym Vegard; Opsahl, Thomas Olsvik; Skauli, Torbjørn; Stahl, Annette (Society of Photo-Optical Instrumentation Engineers (SPIE), 2022-09-30)
      Multispectral imaging is an attractive sensing modality for small unmanned aerial vehicles (UAVs) in numerous military and civilian applications such as reconnaissance, target detection, and precision agriculture. Cameras ...
    • A Cloud-based experimentation and analysis framework for services at the tactical edge 

      Hauge, Mariann; Asprusten, Martin; Berg, Tore Jørgen; Bøhm, Andre J (2022-09-22)
      In this paper we present an experimentation and analysis framework that utilizes a public cloud infrastructure for most of the experimentation environment but also supports interaction with services installed on servers ...
    • Jamming and Jamming Mitigation for Selected 5G Military Scenarios 

      Skokowski, Paweł; Kelner, Jan M.; Malon, Krzysztof; Maślanka, Krzysztof; Birutis, Agnius; Vazquez, Miguel A.; Saha, Souradip; Low, Warren; Czapiewska, Agnieszka; Magiera, Jarosław; Rajchowski, Piotr; Ambroziak, Sławomir (2022-09-22)
      This paper presents jamming and jamming mitigation techniques, which can be used in relation to emerging military systems based on fifth-generation (5G) technology. Nowadays, 5G technology provides incremental improvements ...
    • Realising benefits in public IT projects: A multiple case study 

      Holgeid, Knut Kjetil; Jørgensen, Magne; Volden, Gro Holst; Berg, Helene (2022-12-13)
      Information Technology (IT) investments in the public sector are large, and it is essential that they lead to benefits for the organisations themselves and wider society. While there is evidence suggesting a positive ...
    • Wargaming for the Purpose of Knowledge Development: Lessons Learned from Studying Allied Courses Of Action 

      Vatne, Dagfinn Furnes; Guttelvik, Mona Sagsveen; Hennum, Alf Christian; Malerud, Stein (2022-09-19)
      We present a series of four wargames intended to improve our ability to analyze the alliance aspect of Norwegian military operations. We discuss the objectives, the set-up, and the lessons learned. The wargames proved to ...
    • Practical Jamming of a Commercial 5G Radio System at 3.6 GHz 

      Birutis, Agnius; Mykkeltveit, Anders (2022-09-22)
      Fifth-generation (5G) mobile technology has attracted interest from armed forces worldwide due to its many new possibilities for communication. Military operations may face threats in the electromagnetic spectrum, such as ...
    • Spin-vibronic interaction induced reverse intersystem crossing: A case study with TXO-TPA and TXO-PhCz molecules 

      Karak, Pijush; Ruud, Kenneth; Chakrabarti, Swapan (2022-11-01)
      We highlight the important roles the direct spin–orbit (DSO) coupling, the spin-vibronic (SV) coupling, and the dielectric constant of the medium play on the reverse intersystem crossing (RISC) mechanism of TXO-TPA and ...
    • NATO Core Services profiling for Hybrid Tactical Networks -Results and Recommendations 

      Jansen, Norman; Manso, Marco; Toth, Andrew; Chan, Kevin; Bloebaum, Trude Hafsøe; Johnsen, Frank T. (2021-07-21)
      The NATO Research Task Group IST-150 "NATO Core Services profiling for Hybrid Tactical Networks" had Federated Mission Networking (FMN) as the main context and motivation for its work. IST-150 intended to investigate Core ...
    • Konsekvenser av klimaendringer og klimatilpasninger for Forsvaret fram mot 2040 – rapport til Forsvarskommisjonen 

      Granlund, Cassandra; Lausund, Kristian Blindheim; Lausund, Rune; Klepper, Karina Barnholt; Pedersen, Marius Nyquist; Voie, Øyvind Albert (2022-12-05)
      Nato slår fast at klimaendringer er vår tids viktigste overordnede utfordring i «Climate Change & Security Impact Assessment» fra 2022. Verdenssamfunnet opplever allerede i dag første- og andrehåndseffekter av klimaendringer. ...