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Conferences

Development of a New, Precise Near-infrared Doppler Wavelength Reference: A Fiber Fabry-Perot Interferometer

January 31, 2013

Author(s)

Samuel Halverson, Suvrath Mahadevan, Lawrence W. Ramsey, Stephen L. Redman, Gillian Nave, John C. Wilson , Fred Hearty, Jon Holtzman

We present the ongoing development of a commercially available Micron Optics ber-Fabry Perot Interferometer as a precise, stable, easy to use, and economic...

Joint Spectral Measurements at the Hong-Ou-Mandel Interference Dip

January 29, 2013

Author(s)

Thomas Gerrits, Francesco F. Marsili, Varun B. Verma, Adriana E. Lita, Antia A. Lamas-Linares, Jeffrey A. Stern, Matthew Shaw, William Farr, Richard P. Mirin, Sae Woo Nam

We employed a 2 channel single-photon detection system with high detection efficiency and low jitter to characterize the joint spectral distribution (JSD) of...

EXPOSING WOOD DECKING ASSEMBLIES TO CONTINUOUS WIND-DRIVEN FIREBRAND SHOWERS

January 28, 2013

Author(s)

Samuel L. Manzello, Sayaka S. Suzuki

Sections of wood decks (1.2 m by 1.2 m) were constructed and attached to a re-entrant corner assembly. The deck/re-entrant corner assembly was then exposed to...

Application of a Linear Fit Rating Method for Mixed Single-Speed Unitary Air Conditioners

January 28, 2013

Author(s)

William V. Payne, Piotr A. Domanski

A method employing the simultaneous solution of two linear fits is used to determine the rated cooling capacity and seasonal energy efficiency ratio, SEER, of...

Performance Improvement of a Roof Top Air-Conditioning Unit by Refrigerant Circuitry Optimization

January 26, 2013

Author(s)

Sunil Lee, David A. Yashar, Piotr A. Domanski

In this experiment-aided simulation study, we achieved the performance improvement of a Roof Top Unit (RTU) by optimizing an evaporator's refrigerant circuitry...

Nonlinear acoustic effects in multilayer ceramic capacitors

January 25, 2013

Author(s)

Ward L. Johnson, Sudook A. Kim, Timothy P. Quinn, Grady S. White

Nonlinear resonant acoustics was explored as an approach for nondestructively evaluating the susceptibility of BaTiO3-based multilayer ceramic capacitors to...

TSV REVEAL HEIGHT AND BUMP DIMENSION METROLOGY BY THE TSOM METHOD: FROM NANOMETER TO MICROMETER SCALE

January 23, 2013

Author(s)

Ravikiran Attota, Victor Vertanian, Steve Olson, Robert Edgeworth, Iqbal Ali, Craig Huffman, Pate Moschak, Harry Lazier, Elizabeth Lorenzini

The exceptional z-height resolution of TSOM, as well as very fast measurement time, is particularly important for high volume manufacturing. These two...

Mapping Evidence Graphs to Attack Graphs

January 17, 2013

Author(s)

Changwei Liu, Anoop Singhal, Duminda Wijesekera

Attack graphs compute potential attack paths from a system configuration and known vulnerabilities of a system. Evidence graphs model intrusion evidence and...

Using Attack Graphs in Forensic Examinations

January 16, 2013

Author(s)

Changwei Liu, Anoop Singhal, Duminda Wijesekera

Attack graphs are used to compute potential attack paths from a system configuration and known vulnerabilities of a system. Attack graphs can be used to...

MEASURING THE IMPACT OF EDUCATION AND TRAINING

January 15, 2013

Author(s)

Georgia L. Harris

As metrologists we are typically subject matter experts (SMEs) in a technical area of measurement. However, most of us are not experts in measuring the value or...

Identifying improved standardized tests for measuring cement particle size and surface area

January 14, 2013

Author(s)

Chiara F. Ferraris, Edward J. Garboczi

The Blaine fineness (Blaine) of a cement powder is a single parameter that is meant to characterize the specific surface area of a cement, and is assumed to be...

Compression-Fatigue, Elastic Modulus, and Thermal Contraction of Insulated Conduit Arrays of ITER CS Modules

January 9, 2013

Author(s)

Timothy S. Weeks, Joseph D. McColskey, Richard Reed, Robert Walsh, N. Martovetsky

Abstract- Compression-fatigue tests at 76 K were conducted to compare two insulation systems (epoxy resin impregnated glass/Kapton) for use in the ITER Central...

Observation of Interface/Near Interface Defects in 4H SiC MOSFETs With a New Electrically Detected Magnetic Resonance Technique

January 1, 2013

Author(s)

Jason Ryan, Brad Bittel, Pat Lenahan, Jody Fronheiser, Aivars Lelis

We study 4H SiC MOSFETs with a new electrically detected magnetic resonance technique (EDMR) we call spin dependent charge pumping (SDCP). Our SDCP results...

A Bayesian Quantitative Nondestructive Evaluation (QNDE) Approach to Estimating Remaining Life of Aging Pressure Vessels and Piping

January 1, 2013

Author(s)

Jeffrey T. Fong, William F. Guthrie, James J. Filliben, Nathanael A. Heckert

In this paper, we use a Bayesian quantitative nondestructive evaluation (QNDE) approach to estimating the remaining life of aging structures and components. Our...

An Investigation of Antenna Characterization Techniques in Microwave Remote Sensing Calibration

December 31, 2012

Author(s)

Derek A. Houtz

We compare three methods of quantifying illumination efficiency (IE). The ratio IE describes the contribution of energy emitted from a blackbody target to the...

Monitoring methane in the boundary layer using a network of instruments at tall towers in the northeastern US

December 24, 2012

Author(s)

Kuldeep R. Prasad, Elena Novakovskaia

Methane is one of the major greenhouse gases and in recent years more efforts have been undertaken to estimate its emissions at local and regional scales...

Optimum placement of sensors on building rooftop for measurement of greenhouse gas mixing ratio

December 24, 2012

Author(s)

Kuldeep R. Prasad, Anthony Bova, James R. Whetstone, Elena Novakovskaia

Currently, inverse atmospheric dispersion models are being used around the world to provide measurement-based, or top- down, estimates of greenhouse gas (GHG)...

Antenna-Environment Multiple Scattering in Reverberation Chamber Measurements

December 12, 2012

Author(s)

Ryan J. Pirkl, Catherine A. Remley

High-resolution synthetic aperture measurements in a reverberation chamber revealed the presence of multiple scattering between the scan antenna and the...

A FRAMEWORK FOR INTEROPERABLE SUSTAINABLE MANUFACTURING PROCESS ANALYSIS APPLICATIONS DEVELOPMENT

December 12, 2012

Author(s)

Guodong Shao, Frank H. Riddick, Juyeon Lee, Mark B. Campanelli, Duck B. Kim, Yung-Tsun T. Lee

Sustainable manufacturing (SM) continues to grow in importance. However, analysis tools to assess the sustainability performance of SM processes are difficult...

Dictionary-based Face Recognition from Video

December 10, 2012

Author(s)

P J. Phillips, Yi-Chen Chen, Vishal M. Patel, Rama Chellappa

The main challenge in recognizing faces in video is effec- tively exploiting the multiple frames of a face and the accompanying dynamic signature. One prominent...

Evaluating Real-Time Search over Tweets

December 10, 2012

Author(s)

Ian M. Soboroff, Dean P. McCullough, Jimmy Lin, Craig Macdonald, Iadh Ounis, Richard McCreadie

Twitter offers a phenomenal platform for the social sharing of information. We describe new resources that have been created in the context of the Text...

Security Ontologies for Modeling Enterprise Level Risk Assessment

December 7, 2012

Author(s)

Anoop Singhal, Samuel Singapogu

A unified formal knowledge model of information security domain is essential to support a risk management approach. IT Applications are increasingly exposed to...

Fingerprint Image Synthesis based on Statistical Feature Models

December 6, 2012

Author(s)

Nicholas G. Paulter Jr., Melissa Taylor, Anil K. Jain, Qijun Zhao

Fingerprint image synthesis has received considerable attention because of its potential use in generating large databases to evaluate the performance of...

Two SVDs Suffice: Spectral decompositions for probabilistic topic modeling and latent Dirichlet allocation

December 6, 2012

Author(s)

Yi-Kai Liu, Animashree Anandkumar, Dean P. Foster, Daniel Hsu, Sham M. Kakade

The problem of topic modeling can be seen as a generalization of the clustering problem, in that it posits that observations are generated due to multiple...

A Raytracing Model for Wireless Propagation in Tunnels with Varying Cross Section

December 3, 2012

Author(s)

Camillo A. Gentile, Fabien A. Valoit

Spurred by the 2006 Miner Act, reliable two-way communications in mines has drawn the interest of network engineers in recent years. Critical to the design of...

Novel Tree-Search Algorithm versus Sphere-Decoding-based Algorithms for MIMO system with Inter-Symbol Interference

December 3, 2012

Author(s)

Hamid Gharavi

In this paper we firstly propose a general model to combat the Inter-Symbol Interference (ISI) caused by frequency selective channels in a Multi-InputMulti...

Virtual Reality Platform to Study RF Propagation in Body Area Networks

December 2, 2012

Author(s)

Kamran Sayrafian, John G. Hagedorn, Wen-Bin Yang, Judith E. Terrill

Design of efficient wireless communication protocols for body area networks requires in-depth understanding of the propagation media i.e. the human body. As...

Social Disorder, Accidents, and Municipal Wildfires

December 1, 2012

Author(s)

Douglas S. Thomas, David T. Butry, Jeffrey P. Prestemon

Societal safeguards, established by those who have shared perceptions in the importance of safety and taking preventative measures, reduce the incidence of...

Practical Considerations for Implementing Homeland Security Models & Simulations

December 1, 2012

Author(s)

Charles W. Hutchings, Sanjay Jain, Yung-Tsun Lee, Charles McLean

Modeling and simulation (M&S) capabilities support reasoning in many domains and can provide powerful tools for homeland security analytical needs. For example...

Characterizing WR-8 Waveguide-to-CPW Probes Using Two Methods Implemented within the NIST Uncertainty Framework

November 30, 2012

Author(s)

Jeffrey A. Jargon, Uwe Arz, Dylan F. Williams

We individually characterize and provide uncertainties for a pair of WR-8 rectangular waveguide-to-coplanar waveguide (CPW) probes over a frequency range of 90...

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