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Displaying 1026 - 1050 of 2521

Ultra-low noise regenerative frequency divider

November 11, 2012

Author(s)

Archita Hati, Craig W. Nelson, Corey A. Barnes, Danielle G. Lirette, Jason A. DeSalvo, David A. Howe

… divider-by-2 circuits that operate at input frequencies of 20 MHz and 10 MHz. We achieved residual output-referred …

Simultaneuos Electrochemical and Mechanical Impendance Spectroscopy Using Cantilever Curvature

August 29, 2012

Author(s)

Manon C. Lafouresse, Ugo Bertocci, Carlos R. Beauchamp, Gery R. Stafford

… below the resonant frequency of the cantilever (20 Hz), the stress and the charge are out of phase and the …

Towards a fiber-coupled picowatt cryogenic radiometer

June 11, 2012

Author(s)

Nathan A. Tomlin, John H. Lehman, Sae Woo Nam

… side. Initial measurements with input powers from 50 fW to 20 nW show a response inequivalence between electrical and …

A Low-Complexity Tree-Search Algorithm to Decode Diversity-Oriented Block Codes with Inter-Symbol Interference

June 10, 2012

Author(s)

Hamid Gharavi

… we demonstrate that when the blocksize is equivalent to 20, the complexity of the proposed algorithm is only a …

Spectroscopy and Thermometry of Drumhead Modes in a Mesoscopic Trapped-Ion Crystal Using Entanglement

May 25, 2012

Author(s)

Brian C. Sawyer, Joseph W. Britton, Adam Keith, C.-C Joseph Wang, James K. Freericks, Hermann Uys, Michael Biercuk, John J. Bollinger

… wavelength approaching the interparticle spacing ( sim 20 mu m). Coherent mode excitations as small as 2 nm are …

Radio Wave Propagation Into Large Building Structures, Part 2: Characterization of Multipath

April 2, 2010

Author(s)

Catherine A. Remley, Galen H. Koepke, Christopher L. Holloway, Chriss A. Grosvenor, Dennis G. Camell, John M. Ladbury, Robert T. Johnk, William F. Young

… time delay spread, and distortion introduced into a 20 MHz wide digitally modulated signal. We describe the …

Measurement Standards for Optically Active Coatings to Improve Shipboard Tank Preservation

June 18, 2009

Author(s)

Maria E. Nadal, Carl C. Miller, Richard Harold, Paul Gossen

The cost of corrosion control to the Department of Defense (DOD) is estimated to be $20B/yr. Eliminating coating defects during the coating application job is the key to extending coating service life. Fluorescent coatings containing additives that

SHREC 2009 - Shape Retrieval Contest of Partial 3D Models

March 29, 2009

Author(s)

Helin Dutagaci, Afzal A. Godil, A. Axenopoulos, P. Daras, T. Furuya, R. Ohbuchi

… lists for the query set that is composed of range scans of 20 objects. This paper presents descriptions of the …

Small-Angle Scattering for the Industrial Plastics Laboratory - an Overview

October 16, 2008

Author(s)

J D. Barnes

… instrumentation, and computing power over the last 20 years have made these methods much more accessible to …

Electro-Thermal Simulation of a 100 A, 10 kV Half-Bridge SiC MOSFET/JBS Power Module

June 13, 2008

Author(s)

Tam H. Duong, Jose M. Ortiz, R. N. Raju, Allen R. Hefner Jr.

… was conducted to optimize the performance of 100 A, 10 kV, 20 kHz half-bridge SiC MOSFET/JBS power modules. The power …

High-Voltage Isolated Gate Drive Circuit for 10 kV, 100 A SiC MOSFET/JBS Power Modules

June 2, 2008

Author(s)

David W. Berning, Tam H. Duong, Jose M. Ortiz, Angel Rivera, Allen R. Hefner Jr.

… between the ground and floating driver sides, and 20 kHz operation. Block diagram and detailed discussion of …

The TREC 2006 Terabyte Track

March 24, 2008

Author(s)

Stefan Buttcher, Charles L. Clarke, Ian Soboroff

… task. These three tasks were continued in 2006, with 20 groups submitting runs to the adhoc retrieval task, 11 …

Quantum state tomography of a fiber-based source of polarization-entangled photon pairs

December 20, 2007

Author(s)

Jingyun Fan, M D. Eisaman, Alan L. Migdall

… Bell states with a detected two-photon coincidence rate of 7 kHz per bandwidth of 0.9 nm, in a spectral range of more than 20 nm. To characterize the purity of the states produced by …

Collisions and Near-Collisions for Reduced-Round Tiger

March 1, 2006

Author(s)

John M. Kelsey, Stefan Lucks

… Another attack generates circular near-collisions, for 20 rounds of Tiger with work less than that of 249 …

Decoherence in Josephson Qubits from Dielectric Loss

November 16, 2005

Author(s)

John M. Martinis, Ken B. Cooper, Robert Mcdermott, Matthias Steffen, Markus Ansmann, Kevin Osborn, Katarina Cicak, Seongshik Oh, David P. Pappas, Raymond Simmonds, Clare Yu

… energy relaxation rate has been improved by a factor of 20, opening up the possibility of multi-qubit gates and …

Antenna coupled niobium bolometers for 10 (mu)m radiation detection

June 1, 2005

Author(s)

Robert Hadfield, Aaron J. Miller, Sae Woo Nam, Erich N. Grossman, Robert E. Schwall,

… for 10-micron wavelength radiation detection. We use 20 nm thick Nb films on oxidized Si substrates. The bolometer …

Current-Driven Microwave Dynamics in Magnetic Point Contacts as a Function of Applied Field Angle

December 1, 2004

Author(s)

William Rippard, Matthew Pufall, Shehzaad F. Kaka, Thomas J. Silva, Stephen E. Russek

… in point contacts made to Co 90 Fe 10 /Cu/Ni 80 Fe 20 spin valves as a function of applied field strength and …

Potassium Bromate Assay by Redox Titrimetry Using Arsenic Trioxide

February 1, 2003

Author(s)

J M. Smeller, Stefan D. Leigh

… The KbrO 3 assay was determined to be 99.76 % ¿ 0.20 %. The estimated uncertainty considered the titrations of …

External Laser Stabilization

December 1, 2002

Author(s)

John L. Hall

… with this externalapproach, down to noise levels of 20 mHz/Sqrt(Hz), corresponding to a laser linewidth of 1.2 …

Interaction Between Low-energy Electrons and Defects Created By Hot Holes in Ultra-Thin Silicon Dioxide

May 6, 2002

Author(s)

Eric M. Vogel, Da-Wei Heh, J B. Bernstein

The interaction of injected electrons with defects created by hot holes in 2.0 nm thick silicon dioxide is studied using substrate hot hole injection and concomitant electron tunneling. The ratio of injected hot holes to electrons is varied from mid-10 -3

Ferromagnetic Resonance Mode Interactions in Periodically Perturbed Films

May 1, 2002

Author(s)

Robert McMichael, D J. Twisselmann, John E. Bonevich, P J. Chen, William F. Egelhoff Jr., Stephen E. Russek

… measurements are reported for thin films of Ni 80 Fe 20 deposited on substrates with 320 nm period grooves or …

Measurement and Numerical Prediction of Homogeneous Turbulent Flow Over a Cylinder: A Baseline for Droplet-Laden Flow Studies

January 1, 2002

Author(s)

Cary Presser, J F. Widmann, P E. DesJardin, L A. Gritzo

… spatial distribution of the mean and RMS velocities with a 20 % overprediction in mean streamwise velocity and 15 % …

Suppression of Elastic Scattering Loss for Slowly Colliding Bose-Einstein Condensates

August 1, 2001

Author(s)

Y B. Band, J P. Burke, A Simoni, Paul S. Julienne

Partial superfluid suppression of the elastic scattering loss in atomic Bose condensed systems is significant when the ratio of the relative velocity of the wavepackets to the critical velocity is set to be close to unity, as in experiments similar to

Electron Attachment Cross Sections and Negative Ion States of SF6

January 1, 2001

Author(s)

Loucas G. Christophorou, James K. Olthoff

A comprehensive and critical assessment of published data on the total, dissociative, and nondissociative electron attachment cross sections for SF 6 allowed us to recommend or suggest room temperature values for these cross sections over an energy range

Thermal-Conductivity Apparatus for Steady-State, Comparative Measurement of Ceramic Coatings

August 1, 2000

Author(s)

Andrew J. Slifka

… for temperature measurement, coatings as thin as 20 m can, in principle, be measured using this technique. …

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