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Conferences

Measurements of Coaxial Dielectric Samples Employing Bothe Transmission/Reflection and Resonant Techniques to Enhance Air-Gap Corrections

May 1, 2006

Author(s)

James R. Baker-Jarvis, Michael D. Janezic, Jerzy Krupka

High-permittivity dielectric samples have been measured employing a transmission/reflection method in 7-mm coaxial transmission lines with an air-gap correction...

Pseudo-Exhaustive Testing for Software

April 28, 2006

Author(s)

David R. Kuhn, Vadim Okun

Pseudo-exhaustive testing uses the empirical observation that, for broad classes of software, a fault is likely triggered by only a few variables interacting...

Temperature Dependent Complex Permittivity Measurements of Los-Loss Dielectric Substrates Using a Split-Cylinder Resonator

April 27, 2006

Author(s)

Michael D. Janezic, Timothy Mobley, Daniel Amey

The relative permittivity and loss tangent of cross-linked polystyrene, fused silica glass, and low-temperature co-fired (LTCC) ceramic substrated have been...

Damping of Stay-Cable Vibrations: Modeling Overview and Design Implications

April 25, 2006

Author(s)

Joseph A. Main, Nicholas P. Jones

Dampers have become widely accepted as an effective means of stay-cable vibration suppression and have been implemented on numerous bridges around the world...

k=2 and Other Sometimes Hidden Assumptions in Chemical Measurement Uncertainty Intervals

April 24, 2006

Author(s)

David L. Duewer, S L. Ellison, William F. Guthrie, D B. Hibbert, C Jackson, A Kallner, Stefan D. Leigh, Reenie M. Parris, Kenneth W. Pratt, Michele M. Schantz, Katherine E. Sharpless

A recent interlaboratory study that required individual analysts to estimate uncertainty intervals for their results revealed that some experienced chemical...

Development and Calibration of Pyroelectric Radiometer Standards at NIST

April 21, 2006

Author(s)

George P. Eppeldauer, Jinan Zeng, Leonard M. Hanssen

The reference spectral power responsivity scale of NIST is being extended from the silicon range to the infrared (IR) using pyroelectric radiometers. Two...

MOAST and USARSim A Combined Framework for the Development and Testing of Autonomous Systems

April 21, 2006

Author(s)

Christopher J. Scrapper Jr, Stephen B. Balakirsky, Elena R. Messina

Urban Search and Rescue Simulation (USARSim) is an open source package that provides a high-resolution, physics based simulation of robotic platforms. The...

Calibration and Characterization of a Low-Background Chamber in Support of Hardware-in-the-Loop Testing and Modeling of Infrared Seekers

April 21, 2006

Author(s)

Richard D. Tschiegg, Steven J. Conard, Patrick L. Thompson, Adriaan C. Carter

The authors have worked in the past year on integration, characterization and calibration of the Johns Hopkins University Applied Physics Laboratory s (JHU/APL)...

Cost-Effective Commissioning for Existing and Low Energy Buildings - A New IEA ECBCS Research Project

April 19, 2006

Author(s)

Natascha S. Milesi-Ferretti, Daniel Choiniere

The benefits of commissioning are increasingly being recognized internationally. In 2004 and 2005, over 40 experts from 12 countries participated in two...

Chip scale atomic magnetometers

April 19, 2006

Author(s)

John M. Moreland, John Kitching, Peter D. Schwindt, Svenja A. Knappe, Li-Anne Liew, V Shah, V Gerginov, Ying-Ju Wang, Leo W. Hollberg

We are developing a new class of sensors based on atoms confined in micro-fabricated enclosures. Recent work at the National Institute of Standards and...

Water Heat Pipe Blackbody as a Reference Spectral Radiance Source Between 50 C and 250 C

April 17, 2006

Author(s)

Mart Noorma, Sergey Mekhontsev, V B. Khromchenko, Maritoni A. Litorja, Claus Cagran, Jinan Zeng, Leonard M. Hanssen

Realization of a radiometric temperature scale for near ambient temperatures with high accuracy is crucial for a number of demanding military and commercial...

Size-related plasticity effects in AFM silicon cantilever tips

April 17, 2006

Author(s)

Malgorzata Kopycinska-Mueller, Roy H. Geiss, Donna C. Hurley

We are developing dynamic atomic force microscopy (AFM) techniques to determine nanoscale elastic properties. Atomic force acoustic microscopy (AFAM) makes use...

Source-Assisted Direction Estimation Inside Buildings

April 11, 2006

Author(s)

Kamran Sayrafian, D Kaspar

Source direction estimation inside building is a difficult and challenging task due to severe multipath signal propagation. Numerous algorithms and techniques...

Weights and Measures in the United States

April 11, 2006

Author(s)

Carol T. Hockert

What does the weights and measures system in the United States look like, and what impact does it have on commerce? Every state in the United States has its own...

Targeted Search: Reducing the Time and Cost for Searching for Objects in Multi-Server Networks

April 9, 2006

Author(s)

Allen L. Roginsky

In many applications - including P2P file sharing, content distribution networks, and grid computing - a single object will be searched for in multiple servers...

Understanding Microstructural Effects on Long Term Electrical Fatigue in Multilayer PZT Actuators

April 6, 2006

Author(s)

Jens Mueller

In this study, multilayered PbTi(x)Zr(1-x)O3 (PZT) samples were produced by tape-casting and subsequent sintering at temperatures in the range of 1175 degrees C...

Pub. 16 - Committee Reports for the 91st National Conference on Weights and Measures Agenda

April 3, 2006

Author(s)

Linda D. Crown, Steven E. Cook, K M. Dresser, L T. Sebring, R C. Suiter, Juana S. Williams

This is the annual meeting agenda for the standing committees of the National Conference on Weights and Measures. The meeting is scheduled to take place July 9...

First Responder Thermal Imaging Cameras: Development of Performance Metrics and Test Methods

April 3, 2006

Author(s)

Francine K. Amon, Anthony P. Hamins

Thermal imaging cameras are rapidly becoming integral equipment for first responders for use in structure fires and other emergencies. Currently there are no...

Standardized Equation for Hydrogen Gas Densities for Fuel Consumption Applications

April 3, 2006

Author(s)

Eric Lemmon, Marcia L. Huber, Daniel G. Friend, Carl Paulina

One of three currently recognized methods for evaluating the consumption of gaseous hydrogen fuel in vehicle applications involves the determination of the...

Elastodynamic characterization of imprinted nanolines

April 3, 2006

Author(s)

Ward L. Johnson, Colm Flannery, Sudook A. Kim, Roy H. Geiss, Christopher Soles, Paul R. Heyliger

Experimental techniques employing Brillouin light scattering (BLS) and analytical techniques employing finite-element (FE) and Farnell-Adler models are being...

Forensic Software Tools for Cell Phone Subscriber Identity Modules

April 3, 2006

Author(s)

Wayne Jansen, Richard Ayers

Cell phones and other handheld devices incorporating cell phone capabilities (e.g., smart phones) are ubiquitous. Besides placing calls, cell phones allow users...

A Wireless Environmental Monitoring System Based on the IEEE 1451.1 Standard

April 1, 2006

Author(s)

Kang B. Lee, Yuyin Song

This paper describes a wireless environmental monitoring system developed at the National Institute of Standards and Technology (NIST) based on the Institute of...

Radiation Properties of IR Calibrators With V-Grooved Surfaces

April 1, 2006

Author(s)

Leonard M. Hanssen, A Prokhorov, Sergey Mekhontsev

Use of linear or concentric grooves is a well-known approach for increasing the surface emissivity to enable the construction of compact blackbody radiators...

Migrating Legacy Data in the PCB Industry

April 1, 2006

Author(s)

Matthew L. Aronoff, John V. Messina

The printed circuit board (PCB) industry has been using the Gerber (RS-274) file format for decades, resulting in a substantial library of legacy designs. One...

Autonomous System (AS) Isolation under Randomized BGP Session Attacks with RFD Exploitation

April 1, 2006

Author(s)

Kotikalapudi Sriram, Douglas Montgomery, Oliver Borchert, Okhee Kim, D. Richard Kuhn

BGP peering session attacks are known to drive routes into route flap damping (RFD) suppression states and thus cause isolations between autonomous systems...

Design and Fabrication of a Copper Test Structure as a Electrical Critical Dimension Reference

April 1, 2006

Author(s)

Byron J. Shulver, Andrew S. Bunting, Alan Gundlach, Les I. Haworth, Alan W. Ross, Anthony J. Snell, J. T. Stevenson, Anthony Walton, Richard A. Allen, Michael W. Cresswell

A novel copper damascene process is reported for the implementation of Electrical Critical Dimension (ECD) reference material. The method of fabrication first...

Test Structures for Study of Electron Transport in Nickel Silicide Features with Linewidths between 40 nm and 100 nm

April 1, 2006

Author(s)

Bin Li, Li Shi, Paul S. Ho, JiPing Zhou, Richard A. Allen, Michael W. Cresswell

A new test structure has been designed and fabricated for the investigation of the effect of linewidth scaling on electron transport in nickel mono-silicide...

Is Quantum Cryptography Provably Secure?

April 1, 2006

Author(s)

Anastase Nakassis, Joshua Bienfang, P. Johnson, Alan Mink, D. Rogers, Xiao Tang, Carl J. Williams

Quantum cryptography asserts that shared secrets can be established over public channels in such a way that the total information of an eavesdropper can be made...

Link Assessment in an Indoor 802.11 Network

April 1, 2006

Author(s)

Michael R. Souryal, Luke Klein-Berndt, Leonard E. Miller, Nader Moayeri

This paper presents the empirical results and analysis of a link variability study for an indoor, stationary 802.11 network subject to external interference...

High Speed Quantum Key Distribution System Supports One-Time Pad Encryption of Real-Time Video

April 1, 2006

Author(s)

Alan Mink, Xiao Tang, Lijun Ma, Anastase Nakassis, Barry J. Hershman, Joshua Bienfang, David H. Su, Ronald Boisvert, Charles W. Clark, Carl J. Williams

NIST has developed a high-speed quantum key distribution (QKD) test bed incorporating both free-space and fiber systems. These systems demonstrate a major...

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