Now showing items 1-10 of 46
CAD model for co-propagating spatially multiplexed channels of same wavelength over standard multimode fibers
Spatial Domain Multiplexing (SDM) is a novel technique that allows co-propagation of two or more optical communication channels of the same wavelengths over a single strand of optical fiber cable by maintaining spatial ...
Denoising using adaptive thresholding and higher order statistics
We showed that a hard threshold for wavelet denoising based on higher order statistics is comparable to a second order soft threshold. The hard threshold can be made adaptive by using a third order statistic as an estimate ...
Parametric interatomic potential for graphene
A parametric interatomic potential is constructed for graphene. The potential energy consists of two parts: a bond energy function and a radial interaction energy function. The bond energy function is based on the ...
Singular behavior of the Debye-Waller factor of graphene
It is shown that the mean-square displacement or the exponent of the Debye-Waller factor of graphene has a singularity except at zero temperature. The zero-temperature values of the mean-square displacement are calculated ...
A swarm-based model for increasing impulse shopping in supermarkets
In today's supermarket multi-billion dollar industry, impulse shopping accounts for 2 out of 3 purchases. The phenomenon is so prominent that some consider high levels of it to be a disorder in the same group as Pyromania ...
Analysis of simulated and actual airborne remote sensing imagery for characterization of surface water wave spectra
Simulated and airborne imagery demonstrate the ability to see manmade and natural objects below the water wave surface. Traditional photogrammetric imagery and airborne digital imagery both suffer from a loss in image ...
Modeling the influence of water waves upon remote sensing imagery: The underwater radiance distribution and shape factors
This paper describes the results of modeling the water wave surface and underwater light field as influenced by water waves using a Monte Carlo model (MCHSIM). Model and sensor data related to water column properties and ...
No future for the Antarctic Treaty?
[No abstract available]
Initiating chromosome replication in E. coli: It makes sense to recycle
Initiating new rounds of Escherichia coli chromosome replication requires DnaA-ATP to unwind the replication origin, oriC, and load DNA helicase. In this issue of Genes & Development, Fujimitsu and colleagues (pp. 1221-1233) ...
Effects of temperature on gene expression in embryos of the coral Montastraea faveolata
Coral reefs are expected to be severely impacted by rising seawater temperatures associated with climate change. This study used cDNA microarrays to investigate transcriptional effects of thermal stress in embryos of the ...