FFI Publikasjoner: Recent submissions
Now showing items 441-460 of 2875
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Simulation-supported wargaming for assessing force structures – methodology and best practices
(2021-02-26)When developing and assessing future force structures, wargaming is a key activity for gaining deeper insight and better understanding of the strengths and weaknesses of the force structures. Today, computer-based ... -
Laminar burning velocity of the dimethyl carbonate–air mixture formed by the Li-ion electrolyte solvent
(2020-08-21)If a Li-ion cell fails and the electrolyte leaks out into air, a flammable premixed gas cloud can be formed. The electrolyte combustion energy is 65–70% of the total energy content of the cell. The main objective of this ... -
Laser beam propagation through turbulence and adaptive optics for beam delivery improvement
(2015-10-08)We report results from numerical simulations of laser beam propagation through atmospheric turbulence. In particular, we study the statistical variations of the fractional beam energy hitting inside an optical aperture ... -
Specifying radiometric performance of hyperspectral and conventional cameras: A minimal set of independent characteristics
(2020)The radiometric performance of cameras is customarily characterized and specified in terms of component properties such as F-number and readout noise. This paper considers the camera as an integrated unit and derives ... -
Flamingo - a UAV for autonomy research
(2021-02-18)Flamingo is a four-motor unmanned aerial vehicle (UAV) developed at the Norwegian Defence Research Establishment (FFI) primarily for use in research on cooperating autonomous systems. The drone is designed with a focus ... -
Sivil kystovervåking ifm Nasjonal Transportplan 2022-2033
(2020-12-14)I månedsskiftet mars/april 2019 fikk Forsvarets forskningsinstitutt (FFI) i oppdrag fra Kystverket å se på framtidig teknologi og systemer som kan ha betydning for den kommende Nasjonal transportplan (NTP) for perioden ... -
Mobbing og seksuell trakassering i Forsvaret - resultater fra MOST-undersøkelsen 2020
(2021-02-15)Høsten 2020 gjennomførte Forsvaret en spørreundersøkelse om mobbing og seksuell trakassering (MOST). Den gikk ut til alle ansatte i Forsvaret og menige som hadde tjenestegjort i minst seks måneder. Hensikten med undersøkelsen ... -
Generative Adversarial Immitation Learning for Steering an Unmanned Surface Vehicle
(2020-02)The task of obstacle avoidance using maritime vessels, such as Unmanned Surface Vehicles (USV), has traditionally been solved using specialized modules that are designed and optimized separately. However, this approach ... -
LybinTCPserver 7.0.3 - interface description
(2021-02-01)LYBIN is a robust, user friendly and fast acoustic ray-trace simulator. A broad set of parameters are used to accurately calculate the probability of detecting objects in a given area under water with the use of sonar ... -
Har bruk av hvitt fosfor-ammunisjon i Regionfelt Østlandet ført til miljø- og helseeffekter? - resultater fra perioden 2015–2019
(2021-02-04)Denne rapporten beskriver miljøoppfølging etter bruk av ammunisjon med hvitt fosfor i Regionfelt Østlandet (RØ) i perioden 2015–2019. Forsvarets forskningsinstitutt (FFI) har gjennomført oppdraget for Forsvarsbygg (FB) ... -
Path Planning for UGVs Based on Traversability Hybrid A*
(2021-02-01)In this letter, a new method of path planning for unmanned ground vehicles (UGVs) on terrain is developed. For UGVs moving on terrain, path traversability and collision avoidance are important factors. If traversability ... -
Situasjonsforståelse ved sammensatte trusler - et konseptgrunnlag
(2021-02-02)God situasjonsforståelse er en forutsetning for å kunne ta gode og tidsriktige beslutninger, men den utfordres i møte med sammensatte trusler. Hensikten med denne rapporten er å støtte utviklingen av et konsept for å ... -
Utenlandske investeringer og andre økonomiske virkemidler - når truer de nasjonal sikkerhet?
(2021-02-15)Militære maktmidler har i lang tid dominert tenkningen omkring hvordan stater sikrer sin suverenitet, sitt territorium og sin befolkning. Økonomiske kapasiteter og makt har i stor grad blitt holdt adskilt fra analyser ... -
Variability of Gaseous Attenuation at Very Low Elevation Angle Slant Paths; Measurements and Modelling
(2020-07-08)Gaseous attenuation variability for a 3.2° elevation angle satellite link operating at 20 GHz in the Norwegian Arctic is analyzed and compared with different models. At a very low elevation link like this one, gaseous ... -
Effektive materiellanskaffelser i Forsvaret - øker andelen hyllevarekjøp?
(2021-02-04)I 2019 overleverte Forsvarsmateriell (FMA) materiell til Forsvaret til en verdi av 13,4 milliarder kroner. I langtidsplanperioden 2021–2024 er det er planlagt en økning i årlige utbetalinger til materiellinvesteringer, ... -
Deep temporal detection - A machine learning approach to multiple-dwell target detection
(2020)Detecting small targets, such as an Unmanned Aerial Vehicle (UAV) in high clutter and non-homogeneous environments is challenging for a radar system. Traditional Constant False Alarm Rate (CFAR) detectors have suboptimal ... -
Service decomposition using the NATO C3 Taxonomy - case studies
(2021-01-29)NATO introduced the Connected Forces Initiative at the 2012 Chicago summit with the aim to enhance allied interoperability and readiness in order to strengthen the combat power of the alliance. One of the aspects highlighted ... -
Rammeverk for risikovurdering av kritiske samfunnsfunksjoner
(2021-02-01)I denne rapporten er det utviklet et rammeverk for risikovurdering av de kritiske samfunnsfunksjonene som søker å ivareta resiliensperspektivet. Fordelen med et slikt perspektiv er vektleggingen av å opprettholde ... -
When Insularity Becomes a Problem: The Literature on Jihadism in Jordan
(2020-02-07)This article offers a review of the literature on Jordanian jihadism. While excellent work has been done, particularly on the phenomenon’s history and ideologues such as Abu Muhammad al-Maqdisi, several topics remain ... -
Sparse range-Doppler image construction with neural networks
(2020-06-11)The principles outlined by compressed sensing can permit a sensor to collect reduced amount of data and still reconstruct an exact outcome. This can for example be used to generate super-resolution sparse range-Doppler ...