Publications: Recent submissions
Now showing items 481-500 of 2941
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Toxic effects of gunshot fumes from different ammunitions for small arms on lung cells exposed at the air liquid interface
(2021-01-14)Concerns have been raised as to whether gunshot fumes induce prolonged reduced lung capacity or even cancer due to inhalation. Gunshot fumes from three different types of ammunition calibre 5.56 mm × 45 NATO were investigated. ... -
Making the Milrem Themis UGV ready for autonomous operations
(2021-04-12)The usage of Unmanned Ground Vehicles (UGVs) in defence application is increasing, and much research effort is put into the field. Also, many defence vehicle producers are developing UGV platforms. However, the autonomy ... -
Data-Driven Autocalibration for Swath Sonars
(2020-12-20)Sidelobes in swath sonar water column imagery can obscure targets of interest and create erroneous bottom detections. Differences between ideal and actual element responses limit the achievable sidelobe level for practical ... -
ICE worx – Senter for innovasjon, konseptutvikling og eksperimentering
(2021-04)ICE worx er et felles innovasjonssenter for aktørene i forsvarssektoren. Her skal forskere og ingeniører samarbeide med norske teknologibedrifter og militære avdelinger i Forsvaret om å teste og utvikle ny teknologi som ... -
Laboratorietester av betain og andre baneavisingsmidler - smelteegenskaper og infiltrasjonsforsøk
(2021-03-25)Baneavisingsmidler benyttes for å sikre tilstrekkelig høy friksjon på rullebaner ved vinterforhold. Urea var vanlig å benytte som baneavisingsmiddel tidligere, men miljøskadelige effekter ved urea har gjort at de fleste ... -
Maskinlæring og gruppeantenner i moderne radarsystemer
(2021-02-26)Denne rapporten presenterer enkelte resultater fra siste del av FFI-prosjektet Operativ radarytelse II (OPRA II), hvor den potensielle anvendelsen av maskinlæring og nevrale nettverk i moderne radarsystemer er blitt ... -
Alternative baneavisingsmidler og -metoder - en litteraturstudie
(2021-03-25)Formålet med denne litteraturstudien har vært å sammenstille informasjon som finnes om baneavisingsmidler og alternative metoder for å holde rullebaner snø- og isfrie. Målet har vært å finne en metode som ikke forårsaker ... -
Stolt fortid - spennende framtid - FFI 75 år
(2021-04-11)11. april 1946 vedtok Stortinget å opprette Forsvarets forskningsinstitutt. Nå har FFI levert kunnskap og ideer til et effektivt norsk forsvar i 75 år. Historien fortsetter. Her er fortellingene om en stolt fortid og ... -
Change Detection Using Time and Look Angle Series of Geocoded TanDEM-X Staring Spotlight Images
(2021-03-26)This article describes the analysis of changes in time and look angle series of TanDEM-X (TDX) and TerraSAR-X (TSX) staring spotlight images over the regions around Kjeller near Oslo in Norway and the town Nikel in Russia ... -
Risikovurderinger og kriterier ved øvingsskyting som berører sivil grunn
(2021-03-12)Formålet med rapporten er å belyse hvilke kriterier som bør legges til grunn når man må drive øvingsskyting hvor deler av sikkehetsmalen for skytingen blir liggende utenfor skytefeltets grenser, det vil si på sivil grunn. ... -
Understanding Influence Operations in Social Media: A Cyber Kill Chain Approach
(2020-11-14)Discussions about recent state-run influence operations in social media often focus only on quantitative elements—the number of people interacting with fake news or how many tweets were sent by bots. This article suggests ... -
Al-Qaida in the Islamic Maghrib’s Expansion in the Sahara: New Insights from Primary Sources
(2020-09-24)Although originating in Algeria, AQIM and its allies had by 2012 become so entrenched in the Sahel that they were in de-facto control of vast swathes of territory in northern Mali. This article explains how and why GSPC/AQIM ... -
Ship-of-opportunity noise inversions for geoacoustic profiles of a layered mud-sand seabed
(2019-04-30)This paper considers the use of broadband noise from a ship-of-opportunity in statistical inference for estimating geoacoustic parameters of a layered mud-sand seabed model via trans-dimensional (trans-D) Bayesian matched-field ... -
Motivasjon for førstegangstjeneste – en kvantitativ analyse av sesjonsdata 2009–2019
(2020-06-04)I første del av den todelte sesjonsordningen leverer alle 17-åringer inn en egenerklæring hvor de blant annet oppgir motivasjon for førstegangstjeneste. I over ti år har disse svarene vist at langt flere menn enn kvinner ... -
German-Norwegian relations in security and defence? What kind of partnership?
(2021-03-17)The article contributes to the debate on European defence cooperation and integration by analysing the German–Norwegian security and defence partnership. I define this partnership as being based upon mutual interests and ... -
A study of the Browning M2 Quick Change Barrel and problems experienced in the Norwegian Armed Forces
(2021-03-09)Norway has used the Browning M2 heavy machine gun for decades. The first guns were US weapons given to us through the Mutual Defence Assistance Program. They were M2 Heavy Barrel (HB) versions. All weapons were converted ... -
A2/AD and the missile threat - systems, countermeasures and models
(2021-03-12)In this report we discuss the (relatively) novel military term A2/AD, which is an acronym for Anti- Access/Area Denial. We cover both general aspects related to how the term should be understood, Russian A2/AD capabilities ... -
The Future of Jihadism in Europe: A Pessimistic View
(2016-12)This article presents a ten-year forecast for jihadism in Europe. Despite reaching historically high levels in recent years, violent Islamist activity in Europe may increase further over the long term due to four macrotrends: ... -
3-D Printed Monolithic GRIN Dielectric-Loaded Double-Ridged Horn Antennas
(2019-09-06)Monolithic integration of 3-D printed gradient index (GRIN) dielectric loading with a double-ridged rectangular horn standard gain horn (SGH) and its impact on antenna performance are demonstrated. Results show that the ... -
Predicting False Alarm Rates for High-Resolution Antisubmarine Warfare Sonars in a Cluttering Environment Prone to False Alarm Rate Inflation
(2019-09-13)Operation of high-resolution, broadband, antisubmarine warfare sonars in littoral waters is challenging, since the presence of sea mounts, underwater ridges, and other topographic features causes increased false alarm ...