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Now showing items 11-20 of 116
Non-destructive testing of graphene/epoxy composites using THz waves
(2018-10-05)
In earlier experiments [1] we found there was significant transmission of THz radiation through carbon-fiber enforced composites, despite that fact that the dc conductivity of the carbon fibers is expected to be good and ...
Autonomous Optical Survey Based on Unsupervised Segmentation of Acoustic Backscatter
(2018)
The application of acoustics to study the seabed have for decades provided industry and science with valuable information, and is still excels in terms of spatial coverage and detail. An acoustic response from the seabed ...
Autonomous, Cooperative UAV Operations Using COTS Consumer Drones and Custom Ground Control Station
(2018)
The benefits of using UA Vs for inexpensive aerial surveillance and survey have been widely accepted, and UAVs are routinely assisting humans performing ISR operations. While large countries and well-funded military ...
Identification of mixed substances using a random forest regressor to classify THz absorbance spectra
(2018)
We report on the development and application of a random forest regressor that not only identifies but also estimates the relative concentrations of substances (one explosive and two simulants), both in one-substance and ...
Frequency agility radar with overlapping pulses and sparse reconstruction
(2018)
The use of frequency agility has a proven track record in radar systems. Altering the radar carrier frequency over shorter intervals improves the detection capabilities for slowly fluctuating targets and increases jamming ...
The Effects of a UAV on a Terrestrial MANET
(2018)
Technological advances on Unmanned Aerial Vehicles (UAVs) and autonomous control could make UAVs useful
for communication purposes, extending the range and increasing the performance of Mobile Ad-Hoc Networks (MANETs).
However, ...
Predicting Near-Time Satellite Signal Attenuation at Ka-band Using Tropospheric Weather.
(2018-12-10)
There are satellite communication applications where it is desirable to predict near time (e.g. 2 to 12 h) propagation losses at Ka-band due to hydrometeor precipitation. We present results from a project investigating the ...
Effektive materiellanskaffelser i Forsvaret – kartlegging av tidsbruk, forsinkelser og gjennomføringskostnader
(2018-03-09)
Materiellinvesteringsandelen i forsvarsbudsjettet har i flere år ligget på rundt 20 prosent, og i
henhold til gjeldende langtidsplan vil andelen øke ytterligere i årene frem mot 2026. Formålet
med denne rapporten er å ...
Condensed Matter Nuclear Science - fiksjon eller virkelighet
(2018-06-05)
Fleischman og Pons publiserte i 1989 varmeutvikling fra en ukjent reaksjon mellom
deuteriumatomer i en palladiumelektrode ved elektrolyse av tungtvann med oppløsning av 0,1
M litium deuterid (LiOD). Varmeutviklingen var ...
A Flexible and Dynamic Method for Efficient Group Communication in Mobile Military Networks
(2018-11-13)
Group communication will be one of several important services that should be available in the
networks for the tactical edge also in the near future. Group communication is used in situations
when information is meant ...