Publications: Recent submissions
Now showing items 421-440 of 2940
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Formation Path Following Control of Underactuated USVs
(2021-06-30)This paper proposes a formation control method for two underactuated unmanned surface vessels (USVs) to follow curved paths in the presence of ocean currents. By uniting a line-of-sight (LOS) guidance law and the ... -
Hvordan påvirkes alderspensjonen dersom alle tillegg og overtid blir pensjonsgivende?
(2021-08-09)Militært personell må ofte jobbe til ukurante tidspunkt, på ukurante steder og tidvis med økt risiko for liv og helse. Dette blir de kompensert for med ulike tillegg og overtid. De fleste tillegg og overtid er imidlertid ... -
Hvordan kan Forsvaret kutte utslipp av drivhusgasser? – en funksjonell studie
(2021-08-23)Forsvarets aktivitet medfører en rekke negative påvirkninger på miljøet. Gitt Forsvarets oppgaver er en viss negativ miljøpåvirkning uunngåelig. Forsvaret legger imidlertid en betydelig innsats i å overvåke ulike former ... -
Characterizing the dynamic range of a hyperspectral camera
(2021-04-12)The dynamic range of a hyperspectral camera can have a strong impact on the quality and integrity of the collected spectra. For the image sensor chip alone, the dynamic range is the ratio between the saturation level and ... -
Passive Radar detection of small UAV over sea
(2019-07-22)During a trial over the Trondheim-fjord in Norway fall 2018, aDVB-T based passive radar system was used for detecting a small unmanned aerial vehicle (UAV) over sea. The measurements show a possible detection range of 1 ... -
Federating Tactical Edge Networks:Ways to Improve Connectivity, Security, and Network Efficiency in Tactical Heterogeneous Networks
(2020-02-14)This article elaborates on security and routing architectures for mobile tactical heterogeneous networks. It explores challenges and opportunities, and highlights the characteristics of these types of networks and their ... -
Samfunnsutvikling frem mot 2030 – utfordringer for politiet, PST og påtalemyndigheten
(2021-05-20)Denne rapportens formål har vært å beskrive hva samfunnsutviklingen kan bety for det fremtidige utfordringsbildet som politiet, Politiets sikkerhetstjeneste (PST) og påtalemyndigheten kan møte frem mot 2030. Det fremtidige ... -
Imaging radar for navigation and surveillance on an autonomous unmanned ground vehicle capable of detecting obstacles obscured by vegetation
(2019-09-16)The Norwegian Defence Research Establishment (FFI), has developed a multi purpose radar demonstrator for Intelligence, Surveillance and Reconnaissance (ISR) on the Off-road Light Autonomous Vehicle (OLAV) platform. The ... -
Characterization of the public transit air microbiome and resistome reveals geographical specificity
(2021-05-26)Background The public transit is a built environment with high occupant density across the globe, and identifying factors shaping public transit air microbiomes will help design strategies to minimize the transmission of ... -
ESTIMATING RANGE DEPENDENT SEDIMENT THICKNESS AND REFLECTION COEFFICIENTS FROM BATHYMETRIC DATA FOR IMPROVED SONAR PERFORMANCE MODELLING
(2019)Knowledge about the underwater environment is critical to anti-submarine warfare operations in littoral waters. The sonar settings and depth selections can significantly affect the predicted sonar performance. Bathymetry ... -
Distributed fusion in underwater sensor networks: Fusing bearing information
(2019)In underwater sensor networks, distributed data fusion may be more efficient than centralized fusion because the limited data transmission capacity can make it difficult to collect all required sensor information at a ... -
Laminar burning velocity of gases vented from failed Li-ion batteries
(2021-06-10)In the last decade, several fires and explosions caused by Li-ion batteries (LIBs) have been reported. This can be attributed to the thermal runaway and catastrophic failures of LIBs that release combustible gases, which ... -
Proud past, exciting future – FFI 75 years
(2021-07-12)On 11 April 1946, the Norwegian Parliament (Stortinget) decided to establish the Norwegian Defence Research Establishment (FFI). FFI has now been supplying knowledge and ideas for an effective Norwegian defence for 75 ... -
AMRISK VERSION 2.5 – documentation of verification tests
(2021-06-29)AMRISK is the software code used for quantitative risk assessment of ammunition storages in Norway and Sweden. As the first part of a major upgrade of the code, AMRISK version 2.5 is finished and verified. The code of ... -
Multibeam Echosounder With Orthogonal Waveforms: Feasibility and Potential Benefits
(2021-04-15)Modern multibeam echosounders (MBE) employ frequency-division techniques (FDT) to ensonify multiple sectors within the same ping cycle. This leads to improved performance in coverage rate, and yaw and pitch stabilization. ... -
Efficacy of face masks as source control and respiratory protection against transmission of SARS-CoV-2
(2021-06-25)During the COVID-19 pandemic, medical and community face masks have been used extensively by health care workers and the general public to reduce transmission of the SARSCoV-2 virus. This report reviews the available ... -
Dekontaminering av åndedrettsvern for gjenbruk i spesialisthelsetjenesten i Norge – etablering av nasjonal kapasitet for dekontaminering med hydrogenperoksiddamp
(2021-06-23)Covid-19-pandemien har påvirket tilgangen til og forbruket av smittevernutstyr i Norge. Våren 2020 var situasjonen krevende og det var vanskelig å møte det økte behovet. Situasjonen var særlig utfordrende når det gjaldt ... -
Thermal sensor acquisition range estimation
(2021-06-24)There is a large number of factors which may influence the performance of thermal surveillance systems used in any given scenario. Some of the parameters needed for making an accurate performance prediction might be ... -
Ny bonusordning for T35-personell – et frempek på muligheter og utfordringer
(2021-06-21)Personell i Forsvaret i stillinger som krever aldersavhengig kompetanse (strenge krav til helse, psyke og fysikk), tilsettes på kontrakt til de fyller 35 år (T35-kontrakt). Personell på T35-kontrakt som må avslutte sitt ... -
Evaluation of Message Broker Approaches for Information Exchange in Disadvantaged Tactical Networks in a Federated Environment
(2020)The research task group NATO STO/IST-150 «NATO Core Services profiling for Hybrid Tactical Networks» is working towards profiling Core Services for the tactical domain, which can be described as DIL (disconnected, intermittent ...