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Conferences

VISA: Video Segmentation and Annotation

June 21, 2004

Author(s)

Afzal A. Godil

Robust Location Using System Dynamics and Motion Constraints

June 16, 2004

Author(s)

Camillo A. Gentile, Luke Klein-Berndt

A Unified Framework for Mobile Device Security

June 15, 2004

Author(s)

Wayne Jansen, Vlad Korolev, Serban I. Gavrila, T Heute, Clement Seveillac

Present-day handheld devices, such as PDAs, are a useful blend of hardware and software oriented toward the mobile workforce. While they provide the capability...

Towards Self Managing Distributed Systems Capable of Resolving Trade-Offs Among Competing Performance Criteria

June 12, 2004

Author(s)

Vladimir V. Marbukh

Since typically network performance is characterized by multiple competing criteria, the network management requires resolving the corresponding trade-offs. The...

Extended NVNA Bandwidth for Long-Term Memory Measurements

June 11, 2004

Author(s)

Catherine A. Remley, Dominique Schreurs, Dylan F. Williams, John Wood

We present a new technique for measuring the magnitude and phase of intermodulation products outside the measurement bandwidth of our instrumentation. We apply...

Non-Linear Large-Signal Scattering Parameters: Theory and Applications

June 11, 2004

Author(s)

Jeffrey Jargon, Kuldip Gupta, Donald C. DeGroot

We introduce nonlinear large-signal scattering parameters, a new type of frequency-domain mapping that relates incident and reflected signals for sparse-tone...

A Metric for Assessing the Degree of Device Nonlinearity and Improving Experimental Design

June 11, 2004

Author(s)

Dominique Schreurs, Kate Remley, Dylan Williams

We propose a metric that quantifies the degree of nonlinearity of state-space trajectories. We use the metric to improve the selection of collections of...

Checks of Amplifier Noise-Parameter Measurements

June 11, 2004

Author(s)

James P. Randa, Dave K. Walker

We propose two verification methods for measurements of noise parameters of amplifiers, particularly low-noise amplifiers (LNAs). One method is a direct...

Broadband Complex Permittivity Measurements of Dielectric Substrates using a Split-Cylinder Resonator

June 11, 2004

Author(s)

Michael D. Janezic, James R. Baker-Jarvis, Edward Kuester

We summarize a theoretical model for the split-cylinder resonator, based on the mode-matching method, for nondestructively measuring permittivity and loss...

Correction for Nonlinear Vector Network Analyzer Measurements Using a Stochastic Multiline/Reflect Method

June 11, 2004

Author(s)

Donald C. DeGroot, Yves Rolain, Rik Pintelon, Johan Schoukens

A new 16-term statistical calibration is developed for the correction of vector network analyzer (VNA) data. The method uses multiple measurments of gneric...

A Superconducting Microwave Power Limiter for High-Performance Receiver Protection

June 11, 2004

Author(s)

James Booth, Kenneth Leong, Susan A. Schima

We report on the development of a microwave power limiter based on high-temperature superconductor technology. The power limiter takes the form of a 50 ohm...

Available Data and Input Into Models.

June 10, 2004

Author(s)

R F. Fahy

There is a need for better data to improve our knowledge of human behavior in fire. This data can be used in the development and refinement of evacuation models...

Controlled Vesicle Self-Assembly in Continuous Two Phase Flow Microfluidic Channels

June 10, 2004

Author(s)

Andreas Jahn, Wyatt N. Vreeland, Laurie E. Locascio, Michael Gaitan

The spontaneous self-assembly of phospholipids into liposomes in aqueous solution results in the encapsulation of reagents into quantized packets in a manner...

Simulation Analysis of White LED Spectra and Color Rendering

June 9, 2004

Author(s)

Yoshihiro Ohno

Development and Application Issues of a Spectrally Tunable LED Source

June 8, 2004

Author(s)

George P. Eppeldauer, Steven W. Brown, G Dezsi, Irena Fryc, Yoshihiro Ohno

A spectrally tunable solid state source based on Light Emitting Diodes (LEDs) is being developed at the National Institute of Standards and Technology (NIST)...

Measurement of Total Radiant Flux of UV LEDS

June 7, 2004

Author(s)

Yuqin Zong, Carl C. Miller, Keith R. Lykke, Yoshihiro Ohno

Radiometer Measurements of a Near-Ambient, Variable-Temperature Noise Standard

June 7, 2004

Author(s)

George Free, James P. Randa, Robert L. Billinger

A near-ambient, variable-temperature noise standard whose physical temperature can be accurately measured was constructed and then measured with the NIST total...

Restorability versus Efficiency in (1:1) Protection Schemes for Optical Networks

June 1, 2004

Author(s)

David W. Griffith, Kotikalapudi Sriram, Sanghun Lee, Nada T. Golmie

NIST Experiments in Gas Atomization 1986-1999

June 1, 2004

Author(s)

Steven P. Mates, Frank S. Biancaniello, S D. Riddle

Research at the National Bureau of Standards (now the National Institute of Standards and Technology or NIST) involving the gas atomization of liquid metals has...

Viscosity Measurements and Model Comparisons for the Refrigerant Blends R-410A and R-507A

June 1, 2004

Author(s)

Arno R. Laesecke

Wide-ranging viscosity measurements of the blends RA410A (0.5 R32+0.5R125 by mass) and R507A (0.5 R143a+ 0.5R125 by mass) were carried out in a torsional...

Effect of Target and Probe Concentrations on Hybridization in DNA Microarrays

June 1, 2004

Author(s)

Lili Wang, Adolfas K. Gaigalas, Y Zong, S Zhang, J Shi, Yunda Wang

Efficient hybridization of complementary strands of DNA is the underlying principle of all microarray-based techniques for gene expression analysis. Recently...

Software for Optimizing Protection of Constructed Facilities

June 1, 2004

Author(s)

Amy S. Rushing, C J. Leng, Robert E. Chapman, Harold E. Marshall

Owners and managers of constructed facilities need help in optimizing protection against low-probability, extreme events, such as natural hazards and terrorist...

Johnson Noise Thermometry Using a Quantum Voltage Noise Source for Calibration

June 1, 2004

Author(s)

Sae Woo Nam, Samuel P. Benz, Paul D. Dresselhaus, Weston L. Tew, D. R. White, John M. Martinis

We describe our progress towards a high-precision measurement of temperature using Johnson noise. Using a Quantized Voltage Noise Source (QVNS) based on the...

Flat-Spot Measurements for an AC Josephson Voltage Standard

June 1, 2004

Author(s)

Charles J. Burroughs, Samuel P. Benz, Paul D. Dresselhaus, Yonuk Chong

Recent advances in circuit design and fabrication of superconducting integrated circuits have enabled us to demonstrate for the first time an ac Josephson...

Double-stacked MoSi2-barrier junctions for programmable Josephson voltage standards

June 1, 2004

Author(s)

Yonuk Chong, Charles J. Burroughs, Paul D. Dresselhaus, Nicolas Hadacek, Hirotake Yamamori, Samuel P. Benz

We are developing MoSi2-barrier stacked junction arrays for Josephson voltage standards in order to increase the output voltage, operating bandwidth, and...

Quantifying Assurance of Knowledge Based Authentication

June 1, 2004

Author(s)

Nelson E. Hastings, Donna F. Dodson

Understanding the principles of knowledge based authentication (KBA) and developing metrics that can be applied to KBA systems will improve information system...

On Aggregate Utility Maximization Based Network Management: Challenges and Possible Approaches

June 1, 2004

Author(s)

Vladimir V. Marbukh

X-Ray and Neutron Porosimetry as Powerful Methodologies for Determining Structural Characteristics of Porous Low-k Thin Films

June 1, 2004

Author(s)

Hae-Jeong Lee, B D. Vogt, Christopher L. Soles, Da-Wei Liu, Barry J. Bauer, Wen-Li Wu, Eric K. Lin, Gwi-Gwon Kang, Min-Jin Ko

Methylsilsesquioxane based porous low-k dielectric films with varying porogen loading have been characterized using X-ray and neutron porosimetry to determine...

Experimental Determination of Phase Equilibria Diagrams in Ceramic Systems

June 1, 2004

Author(s)

Robert S. Roth, Terrell A. Vanderah

Quadratic Frequency Dependence of an AC QHR Device

June 1, 2004

Author(s)

Marvin E. Cage

An equivalent electrical circuit model of an ac quantized Hall resistance device externally connected in quadruple series predicts a quadratic frequency...

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