Now showing items 1913-1932 of 3965

• #### Kagome fiber based ultrafast laser microsurgery probe delivering micro-Joule pulse energies ﻿

(2016)
We present the development of a 5 mm, piezo-actuated, ultrafast laser scalpel for fast tissue microsurgery. Delivery of micro-Joules level energies to the tissue was made possible by a large, 31 μm, air-cored inhibited-coupling ...
• #### Karmarkar as a Classical Method ﻿

(1987-03)
In this work we demonstrate that the Karmarkar algorithm for linear programs results from the classical approach of first transforming nonnegativity constraints into equality constraints by adding squared-slack variables ...
• #### Keeping the Analog Genie in the Bottle: A Case for Digital Robots ﻿

(1999-05-01)
In this paper, we consider the case for adopting a truly 'digital' type of robot, which would evolve between a discrete and finite set of states. We adopt the point of view that the advantages of traditional robotic evolution ...
• #### Kinematics of Shot-Geophone Migration ﻿

(2005-04)
Prestack migration methods based on data binning produce {\em kinematic artifacts}, i.e. coherent events not corresponding to actual reflectors, in the prestack image volume. Shot-geophone migration, on the other hand, ...
• #### Kinesthetic Feedback during 2DOF Wrist Movements via a Novel MR-Compatible Robot ﻿

(2016)
We demonstrate the interaction control capabilities of the MR-SoftWrist, a novel MR-compatible robot capable of applying accurate kinesthetic feedback to wrist pointing movements executed during fMRI. The MR-SoftWrist, ...
• #### Krylov-Secant Methods for Solving Systems of Nonlinear Equations ﻿

(1995-09)
We present a novel way of reusing the Krylov information generated by GMRES for solving the linear system arising within a Newton method. Our approach departs from the theory of secant preconditioners developed by Martinez ...

(1986)
• #### L(p)-approximation by the iteratively reweighted least squares method and the design of digital FIR filters in one dimension ﻿

(1993)
In this thesis a new and simple to program approach is proposed in order to obtain an $L\sb{p}$ approximation, 2 $<$ p $<$ $\infty$, based on the Iteratively Reweighted Least Squares (IRLS) method, for designing a linear ...
• #### Label-free as-grown double wall carbon nanotubes bundles for Salmonella typhimurium immunoassay ﻿

(2013)
Background: A label-free immunosensor from as-grown double wall carbon nanotubes (DW) bundles was developed for detecting Salmonella typhimurium. The immunosensor was fabricated by using the as-grown DW bundles as an ...
• #### Laboratory Workstations in Electrical Engineering ﻿

(1985-06-01)
Computers, configured for data acquisition and control, have been used in undergraduate laboratories at Cornell University's School of Electrical Engineering since the early 1970s. The introduction of personal computers ...
• #### Lagrange rational interpolation and its applications to approximation of large-scale dynamical systems ﻿

(2013-11-06)
We present several new, efficient algorithms that extract low complexity models from frequency response measurements of large-scale dynamical systems. Our work is motivated by the fact that, in many applications, analytical ...
• #### Lamellar and liquid crystal ordering in solvent-annealed all-conjugated block copolymers ﻿

(2014)
All-conjugated block copolymers are an emerging class of polymeric materials promising for organic electronic applications, but further progress requires a better understanding of their microstructure including crystallinity ...
• #### Laminin Peptide-Immobilized Hydrogels Modulate Valve Endothelial Cell Hemostatic Regulation ﻿

(2015)
Valve endothelial cells (VEC) have unique phenotypic responses relative to other types of vascular endothelial cells and have highly sensitive hemostatic functions affected by changes in valve tissues. Furthermore, effects ...
• #### Landau Collision Integral Solver with Adaptive Mesh Refinement on Emerging Architectures ﻿

(2017)
The Landau collision integral is an accurate model for the small-angle dominated Coulomb collisions in fusion plasmas. We investigate a high order accurate, fully conservative, finite element discretization of the nonlinear ...

(1974)
• #### Large enhanced dielectric permittivity in polyaniline passivated core-shell nano magnetic iron oxide by plasma polymerization ﻿

(2014)
Commercial samples of Magnetite with size ranging from 25-30nm were coated with polyaniline by using radio frequency plasma polymerization to achieve a core shell structure of magnetic nanoparticle (core)-Polyaniline ...
• #### Large Time Asymptotics in Contaminant Transport in Porous Media ﻿

(1994-11)
In this paper we derive large time solutions of the partial differential equations modelling contaminant transport in porous media for initial data with bounded support. While the main emphasis is on two space dimensions, ...

(1993-09)
• #### LASER PROCESSING OF SEMICONDUCTORS ﻿

(1982)
The great potential for advancing the state of the art in fabrication of semiconductor devices and integrated circuits with the use of laser beam processing techniques is reviewed. The unique characteristics of this novel ...
• #### Laser spectroscopic trace chemical sensors for environmental sensor networks and portable medical devices ﻿

(2008)
This thesis represents the development of the first laser spectroscopy based trace-gas sensors with sensor characteristics which simultaneously satisfy low cost, handheld footprint, low power, and long term autonomous ...