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Conferences

Minutia Interoperability

June 15, 2009

Author(s)

Elham Tabassi

Many large scale identity management applications require storage and exchange of standardized minutiae templates. Minutia templates offer a more space efﬁcient...

Fracture toughness measurement of thin nanoporous films on stiff substrates

June 15, 2009

Author(s)

Dylan Morris, Robert F. Cook

Nanoporous low-dielectric-constant films constitute a class of materials that are plagued by fracture concerns and are not amenable to traditional fracture...

OntoSTEP: OWL-DL Ontology for STEP

June 15, 2009

Author(s)

Sylvere Krima, Raphael Barbau, Xenia Fiorentini, Sudarsan Rachuri, sebti foufou, Ram D. Sriram

The Standard for the Exchange of Product model data (STEP) [1] contains product information mainly related to geometry. The modeling language used to develop...

Development of Functionality-Based Conformance Classes for ISO 10303 Conformance Classes for Tolerancing Functionality

June 15, 2009

Author(s)

Mehmet Sarigecili, Roy Uptal, Sudarsan Rachuri, Ram D. Sriram

ISO 10303 which is STandard for the Exchange of Product model data (STEP) contains a large amount of extremely detailed information. There are no clear and easy...

Measuring Indoor Mobile Wireless Link Quality

June 14, 2009

Author(s)

Michael R. Souryal

This paper investigates methods for link quality measurement of an indoor, time-varying wireless link. Link quality estimates are used for a number of higher...

A microfabricated photonic magnetometer

June 14, 2009

Author(s)

Jan Preusser, Svenja A. Knappe, Vladislav Gerginov, John E. Kitching

A system for sensing magnetic fields is proposed, composed of an array of passive microfabricated alkali atom sensor heads coupled to a control unit using only...

Improved Permittivity Measurement of Dielectric Substrates by use of the TE111 Mode of a Split-Cylinder Cavity

June 12, 2009

Author(s)

Michael D. Janezic, Uwe Arz, Shelley Begley, Phil Bartley

We use the split-cylinder cavity's TE111 resonant mode, in addition to the higher-order TE0np modes, to extend the frequency range over which one can make...

Practical Applications of Nonlinear Measurements

June 12, 2009

Author(s)

Catherine A. Remley

We discuss the limitations of vector network analyzers in the measurement of nonlinear devices and circuits, including their inability to measure the relative...

Backbone Construction for Heterogeneous Wireless Ad Hoc Networks

June 10, 2009

Author(s)

Yi Qian, Hui Guo, Nader Moayeri, Kejie Lu

In this paper, we propose a backbone construction scheme over heterogeneous ad hoc networks, where the network nodes have different characteristics such as...

Atmospheric Retention of Man-made CO₂ Emissions

June 8, 2009

Author(s)

Bert W. Rust

Rust and Thijsse have shown that global annual average temperature anomalies T(t i) vary linearly with atmospheric CO 2 concentrations c(t i). The c(t i) can be...

Service Oriented and Orchestrated Framework for Supply Chain Integration

June 8, 2009

Author(s)

Jack C.P. Cheng, Kincho H. Law, Albert T. Jones, Ram D. Sriram

Supply chain management integrates key business processes and facilities, involving end users and suppliers that provide products, services and information...

Frequency Measurements of Al+ and Hg+ Optical Standards

June 8, 2009

Author(s)

Wayne M. Itano, James C. Bergquist, Till P. Rosenband, David J. Wineland, David Hume, Chin-wen Chou, Steven R. Jefferts, Thomas P. Heavner, Tom Parker, Scott Diddams, Tara Fortier

Frequency standards based on narrow optical transitions in 27Al+ and 199Hg+ ions have been developed at NIST. Both standards have absolute reproducibilities of...

Integrated Broadband Lumped-Element Symmetrical-Hybrid N-way Power Dividers

June 7, 2009

Author(s)

Mike Elsbury, Paul D. Dresselhaus, Samuel P. Benz, Zoya Popovic

This paper presents a monolithically-integrated, broadband, lumped-element, symmetrical-hybrid power divider centered at 20 GHz which was designed and...

Test Tool for Industrial Ethernet Network Performance

June 5, 2009

Author(s)

James D. Gilsinn, Freemon Johnson

The number of devices that implement Ethernet interfaces on the factory floor is growing at an exponential rate along with the adoption of industrial-grade...

Machining Process Measurements: A Titanium Machining Example

June 4, 2009

Author(s)

Richard L. Rhorer, Eric P. Whitenton, Timothy J. Burns, Steven P. Mates, Jarred C. Heigel, April L. Cooke, Johannes A. Soons, Robert W. Ivester

NOTE: This is a two-page abstract for publication in the CD-ROM conference proceedings only. Oral presentation of the complete paper will be presented at the...

Absolute Cryogenic Radiometer and Solid State Trap Detectors for IR Power Scales Down to 1 pW with 0.1% Uncertainty

June 2, 2009

Author(s)

Adriaan C. Carter, Solomon I. Woods, Stephen Carr, Timothy M. Jung, Raju V. Datla

Commercially available Absolute Cryogenic Radiometers (ACRs) have combined uncertainties that grow rapidly above 1% at power levels below 10 nW. There are solid...

An Automated Video-Based System For Iris Recognition

June 2, 2009

Author(s)

Yooyoung Lee, P. Jonathon Phillips, Ross J. Micheals

We have successfully implemented a Video-based Automated System for Iris Recognition (VASIR), evaluating its successful performance on the MBGC dataset. The...

Transport Behavior and Characterization of Precision 1 (OMEGA) Resistors for International Comparisons

June 1, 2009

Author(s)

Randolph E. Elmquist, George R. Jones, Brian J. Pritchard

The U. S. National Institute of Standards and Technology (NIST) and the National Measurement Institute of Australia (NMIA) have recently examined two types of...

High Strain Rate Tissue Simulant Measurements Using digital Image Correlation

June 1, 2009

Author(s)

Steven P. Mates, Richard L. Rhorer, Richard Everett, Kirth Simmonds, Amit Bagchi

Measuring the response of soft materials to high strain rate deformation is extremely challenging because of the difficulty of achieving dynamic equilibrium...

Comparison of QPSK and 64QAM EVM for an OFDM WLAN Signal at 2.4 GHz and 4.9 GHz in a Multipath Environment

June 1, 2009

Author(s)

Catherine A. Remley, Michael McKinley, J. S. Kenney, M. Myslinski, Galen H. Koepke, Dennis G. Camell, Robert Johnk

In this work, we verify experimentally the consistency of EVM across modulation types of orthogonal frequency-division multiplexed (OFDM) signals in two...

Hyperspectral Projection of a Coral Reef Scene using the NIST Hyperspectral Image Projector

June 1, 2009

Author(s)

David W. Allen, Joseph P. Rice, James A. Goodman

Improving the understanding of the optical scene components associated with coral reef imagery will advance the ability to map and monitor coral reefs using...

DMD diffraction measurements to support design of projectors for test and evaluation of multispectral and hyperspectral imaging sensors

June 1, 2009

Author(s)

Joseph P. Rice, Jorge E. Neira, Michael Kehoe, Rand Swanson

We describe our use of Digital Micromirror Devices (DMDs) for the performance testing, characterization, calibration, and system-level data product validation...

Hyperspectral Image Compressive Projection Algorithm

June 1, 2009

Author(s)

Joseph P. Rice, Jorge E. Neira, David W. Allen

We describe a compressive projection algorithm and quantitatively assess its performance when used with a Hyperspectral Image Projector (HIP). The HIP is being...

Characterization of Uncertainties When Measuring Metal Cutting Temperatures Using Infrared Radiation Thermography

June 1, 2009

Author(s)

Eric P. Whitenton

There are many error sources when using infrared radiation thermography to measure the temperature distribution of the tool, workpiece, and chip during metal...

Methods for transferring the SI unit of force from millinewtons to piconewtons

June 1, 2009

Author(s)

Gordon A. Shaw, Koo-Hyun Chung, Douglas T. Smith, Jon R. Pratt

The establishment of standards for small force measurement requires a link to an absolute measurement of force traceable to the international system of units...

Characterization of a Metafilm/Metasurface

June 1, 2009

Author(s)

Christopher L. Holloway, Andrew M. Dienstfrey, Edward E. Kuester

A metafilm (also referred to as a metasurface) is the surface equivalent of a metamaterial. More precisely, a metafilm is a surface distribution of suitably...

Near-Field Spherical Scanning: Quiet-Zone Field Evaluation

June 1, 2009

Author(s)

Randy Direen, Michael H. Francis, Ronald C. Wittmann

Spherical near-field scanning measurements are used to determine the incident electromagnetic fields within a test volume. Results from two independent...

Quantum Key Distribution System Operating at Sifted-Key Rate Over 4 Mbit/s¹

June 1, 2009

Author(s)

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

A complete fiber-based polarization encoding quantum key distribution (QKD) system based on the BB84 protocol has been developed at National Institute of...

Torsional spring constant measurement of a T-shaped atomic force microscope cantilever

June 1, 2009

Author(s)

Mark Reitsma, Richard S. Gates, Robert F. Cook

We present a microfabricated atomic force microscope (AFM) cantilever that is used to calibrate AFM friction data. The T-shaped lateral force cantilever is...

Robustness of display reflectance measurements: Comparison between BRDF and hemispherical diffuse reflectance

June 1, 2009

Author(s)

Seungkwan Kim, Edward F. Kelley, John Penczek

We measured in-plane bidirectional-reflectance-distribution-function (BRDF) profiles for specular, haze and Lambertian samples using a converging light beam and...

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