Now showing items 371-390 of 2554

• #### A comparative study of multiple accessing schemes ﻿

(1997-11-20)
We compare the performance of different accessing schemes (frequency division, time division and code division) for the uplink in a wireless communication system. We assume an additive white Gaussian noise channel with ...
• #### Comparing and Combining Read Miss Clustering and Software Prefetching ﻿

(2001-09-20)
None
• #### A Comparison of High Order Interpolation Nodes for the Pyramid ﻿

(2015)
The use of pyramid elements is crucial to the construction of efficient hex-dominant meshes [M. Bergot, G. Cohen, and M. Duruflé, J. Sci. Comput., 42 (2010), pp. 345--381]. For conforming nodal finite element methods with ...
• #### Comparison of laser-produced plasma target materials for pumping the 109 nm xenon(2+) Auger laser ﻿

(1995)
Short wavelength lasers have many potential applications in scientific and engineering fields. The goal of this research was to improve the output energy of the Xe$\sp{2+}$ 109 nm laser. We compared cadmium, copper, gold, ...
• #### COMPARISON OF TWO NOVEL LIST SPHERE DETECTOR ALGORITHMS FOR MIMO-OFDM SYSTEMS ﻿

(2006-09-01)
In this paper, the complexity and performance of two novel list sphere detector (LSD) algorithms are studied and evaluated in multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) system. ...
• #### Competing mechanisms and scaling laws for carbon nanotube scission by ultrasonication ﻿

(2012)
Dispersion of carbon nanotubes (CNTs) into liquids typically requires ultrasonication to exfoliate individuals CNTs from bundles. Experiments show that CNT length drops with sonication time (or energy) as a power law t?m. ...
• #### Competitive Parallel Disk Prefetching and Buffer Management1 ﻿

(2000)
We provide a competitive analysis framework for online prefetching and buffer management algorithms in parallel IrO systems, using a read-once model of block references. This has widespread applicability to key IrO-bound ...
• #### Compiler Driven Architecture Design Space Exploration for DSP Workloads: A Study in Software Programmability Versus Hardware Acceleration ﻿

(2009-11-01)
Wireless communications and video kernels contain vast instruction and data level parallelism that can far outstrip programmable high performance DSPs. Hardware acceleration of these bottlenecks is commonly done at the ...
• #### Complex Wavelet Transforms with Allpass Filters ﻿

(2003-08-20)
Complex discrete wavelet transforms have significant advantages over real wavelet transforms for certain signal processing problems. Two approaches to the implementation of complex wavelet transforms have been proposed ...
• #### Complexed Multifunctional Metallic and Chalcogenide Nanostructures as Theranostic Agents ﻿

(2013-12-03)
Nanostructures have attracted substantial attention due to their distinctive properties and various applications. Nanostructures consisting of multiple morphologies and/or materials have recently become the focus of intense ...
• #### Complexity Analysis of MMSE Detector Architectures for MIMO OFDM Systems ﻿

(2005-11-01)
In this paper, a field programmable gate array (FPGA) implementation of a linear minimum mean square error (LMMSE) detector is considered for MIMO-OFDM systems. Two square root free algorithms based on QR decomposition ...
• #### Component-based adaptation for mobile computing ﻿

(2002)
Component-based adaptation is a novel approach for adapting applications to the limited availability of resources such as bandwidth and power in mobile environments. Component-based adaptation works by calling on the ...
• #### Composition and Sources of Particulate Matter Measured near Houston, TX: Anthropogenic-Biogenic Interactions ﻿

(2016)
Particulate matter was measured in Conroe, Texas (~60 km north of downtown Houston, Texas) during the September 2013 DISCOVER-AQ campaign to determine the sources of particulate matter in the region. The measurement site ...
• #### Compound Poisson Cascades ﻿

(2002-05-01)
Multiplicative processes and multifractals proved useful in various applications ranging from hydrodynamic turbulence to computer network traffic, to name but two. Placing multifractal analysis in the more general framework ...
• #### A Comprehensive Probabilistic Framework to Learn Air Data from Surface Pressure Measurements ﻿

(2015)
Use of probabilistic techniques has been demonstrated to learn air data parameters from surface pressure measurements. Integration of numerical models with wind tunnel data and sequential experiment design of wind tunnel ...
• #### Compressed Sensing for Imaging Applications ﻿

(2008)
Compressed sensing is a new sampling theory which allows reconstructing signals using sub-Nyquist measurements. This can significantly reduce the computation re­quired for both image and video whether during acquisition ...
• #### Compressing Piecewise Smooth Multidimensional Functions Using Surflets: Rate-Distortion Analysis ﻿

(2004-03-01)
Discontinuities in data often represent the key information of interest. Efficient representations for such discontinuities are important for many signal processing applications, including compression, but standard Fourier ...
• #### Compression Color Space Estimation of JPEG Images using Lattice Basis Reduction ﻿

(2001-10-01)
Given a color image that was previously JPEG-compressed in some hidden color space, we aim to estimate this unknown compression color space from the image. This knowledge is potentially useful for color image enhancement ...
• #### Compression of Higher Dimensional Functions Containing Smooth Discontinuities ﻿

(2004-03-01)
Discontinuities in data often represent the key information of interest. Efficient representations for such discontinuities are important for many signal processing applications, including compression, but standard Fourier ...
• #### Compressive sensing for signal ensembles ﻿

(2010)
Compressive sensing (CS) is a new approach to simultaneous sensing and compression that enables a potentially large reduction in the sampling and computation costs for acquisition of signals having a sparse or compressible ...