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The paper presents a study of efficiency of information embedding in BMP images by using codes perfect in a weighted Hamming metric (WHM) and standard Hamming codes. The weighted container model and modification of algorithm F5 is used, which allows to record information in multiple bit planes images (MLSB), taking into account the significance of each bit plane. In this paper the effectiveness of...
We found that the energy deposition fluctuations in the sensitive volumes may cause multiplicity scatters in the multiple cell upsets (MCU) in the nanoscale (with feature sizes less than 100 nm) memories. Microdosimetric model of the MCU cross- section dependence on LET is proposed. It was shown that ideally a staircase-shaped cross-section vs LET curve spreads due to energy-loss straggling into a...
We study photoluminescence (PL) from dislocation-rich Si layers prepared by Si growth on the nanostructured surface composed of dense arrays of Ge islands grown on the oxidized Si surface. The Si layers exhibit intense PL centered in the 1.5-1.6 wavelength region. The PL is associated with dislocations, which have an extremely high concentration according to transmission electron microscopy data....
The on-line event reconstruction in ALICE is performed by the High Level Trigger, which should process up to 2000 events per second in proton-proton collisions and up to 200 central events per second in heavy-ion collisions, corresponding to an input data stream of 30 GB/s. In order to fulfil the time requirements, a fast on-line tracker has been developed which can optionally use GPU hardware accelerators...
We study the influence of the technological parameters on photoluminescence properties of Ge quantum dots in a Si matrix. We found growth and annealing conditions which provide the formation of Ge quantum dots with two energy levels.
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