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Now showing items 11-20 of 110
Real-time georeferencing for an airborne hyperspectral imaging system
(2011)
The paper describes the georeferencing part of an airborne hyperspectral imaging system based on pushbroom scanning. Using ray-tracing methods from computer graphics and a highly efficient representation of the digital ...
Optimal classification of standoff bioaerosol measurements using evolutionary algorithms
(2011)
Early warning systems based on standoff detection of biological aerosols require real-time signal processing of a large quantity of high-dimensional data, challenging the systems efficiency in terms of both computational ...
Energy-scale Aware Feature Extraction for Flow Visualization
(2011)
In the visualization of flow simulation data, feature detectors often tend to result in overly rich response, making some sort of filtering or simplification necessary to convey meaningful images. In this paper we present ...
Localized mesosphere-stratosphere-troposphere radar echoes from the E region at 69 degrees N: Properties and physical mechanisms
(2011)
We present the first observations, to our knowledge, of a new class of high-latitude mesosphere-stratosphere-troposphere radar echoes from the E region as observed with the Arctic Lidar Observatory for Middle Atmosphere ...
Enhancement in Light Emission From Hg-Cd-Te Due to Surface Patterning
(2011)
Enhancement of light emission from HgCdTe due to surface patterning has been studied by means of photoluminescence (PL) spectroscopy. A triangular pattern of circular holes was etched into the CdTe layer grown on top of ...
Federated Identity Management in a Tactical Multi-Domain Network
(2011)
Identity Management maintains information regarding
actors of an Information System, like users, equipment
and services. One important service is to disseminate and
validate credentials for the purpose of authentication ...
Assessment of the dispersion of Legionella-containing aerosols from a biological treatment plant
(2011)
Legionella was detected in aeration ponds (biological treatment plant) at Borregaard Ind. Ltd., Norway, and in air samples harvested directly above these ponds. Since 2005, three outbreaks of legionellosis occurred within ...
Sum-frequency generation of high-energy and hig-beam-quality ultraviolet pulses
(2011)
Sum-frequency generation of UV pulses exceeding 25 mJ and with beam quality has been demonstrated by mixing the third harmonic pulses of a flash lamp pumped 1.06 μm Nd:YAG laser with 1.7 μm pulses from an optical parametric ...
Minute-scale period oscillations of the magnetosphere
(2011)
Oscillations with periods on the order of 5–10 min have been observed by instrumented spacecrafts in the Earth's magnetosphere. These oscillations often follow sudden impacts related to coronal mass ejections. It is ...
Iron Cannot Fight - The Role of Technology in Current Russian Military Theory
(2011)
Contemporary Russian military theory is dominated by three schools of thought: the ‘traditionalists’, the ‘modernists’ and the ‘revolutionaries’. On the role of technology in future warfare, the traditionalists argue for ...