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Conferences

An Overview of the NTIA/NIST Spectrum Monitoring Pilot Program

March 9, 2015

Author(s)

Michael Cotton, Michael R. Souryal, Mudumbai Ranganathan, Jeff Wepman, Julie Kub, Steve Engelking, Yeh Lo, Heather Ottke, Raian Kaiser, Douglas Anderson

This paper provides an overview of a Spectrum Monitoring Pilot Program within the U.S. Department of Commerce. It provides background, motivation, goals...

Proceedings of SPIE

March 4, 2015

Author(s)

Maritoni A. Litorja, Aaron A. Urbas, Yuqin Zong

The fluorescent light detected by a clinical imager is assumed to be proportional to the amount of fluorescent substance present in the sample. Unfortunately...

The Resilience of the Internet to Colluding Country Induced Connectivity Disruptions

March 3, 2015

Author(s)

Peter M. Mell, Richard Harang, Assane Gueye

We show that the strength of Internet-based network interconnectivity of countries is increasing over time. We then evaluate bounds on the extent to which a...

Measurement Science for Sustainable Construction and Manufacturing: A NIST Perspective

February 21, 2015

Author(s)

Robert E. Chapman, Joannie W. Chin, Sudarsan Rachuri, Joshua D. Kneifel, Andrew K. Persily, Anthony Hamins

Optimizing the Location Deployment of Dynamic Mobile Base Stations

February 19, 2015

Author(s)

Sulabh Bhattarai, Sixiao Wei, Stephen Rook, Wei Yu, David W. Griffith, Nada T. Golmie

There has been growing interest over the past few years in the US and around the world to build reliable, robust, and interoperable public safety broadband...

Mobile Device Tool Testing

February 19, 2015

Author(s)

Richard Ayers

The Computer Forensic Tool Testing program at NIST has spent several years researching and testing forensic tools capable of acquiring data from the internal...

Optically pumped semiconductor lasers for atomic and molecular physics

February 7, 2015

Author(s)

Dietrich G. Leibfried, Shaun Burd, Andrew C. Wilson, David J. Wineland

Experiments in atomic, molecular and optical (AMO) physics rely on lasers at many different wavelengths and with varying requirements on spectral linewidth...

FIREBRAND ACCUMLATION ZONES IN FRONT OF STRUCTURES IN WILDLAND-URBAN INTERFACE (WUI) FIRES

February 2, 2015

Author(s)

Samuel Manzello, Sayaka Suzuki

It is well known that as structures are exposed to wind, stagnation planes are produced around structures. Past work by the authors demonstrated for the first...

EFFECT OF SIDING TREATMENT ON FIREBRAND PRODUCTION FROM BUILDING COMPONENTS

February 2, 2015

Author(s)

Samuel Manzello, Sayaka Suzuki

Wildfires which spread into a community, commonly known as Wildland-Urban Interface (WUI) fires, is a significant problem all over the world. Post-fire...

SIMULATIONS OF GAS-PHASE INTERACTIONS OF PHOSPHORUS FLAME RETARDANTS WITH DIFFUSION FLAME STRUCTURE

February 2, 2015

Author(s)

Gregory T. Linteris, Fumiaki Takahashi, Viswanath R. Katta, Valeri I. Babushok

The interaction of the gas-phase mechanisms of phosphorus flame retardants with the co-flow diffusion flame structure has been investigated computationally to...

Using the Cone Calorimeter to Develop a Detailed Model of Carpet for Flammability Studies

February 2, 2015

Author(s)

Kathryn M. Butler, K. R. Samant, John R. Shields

A fundamental mathematical model of carpet is needed for studying the impact of component materials and thicknesses on tests that measure flammability. Of...

The Effect of Piping Heat Losses on the Efficiency of Solar Thermal Water Heating in a Net-Zero Energy Home

January 28, 2015

Author(s)

Tania Ullah, William M. Healy

This study evaluates the thermal performance of an dual-tank domestic hot water (DHW) system designed for a net-zero home at the National Institute of Standards...

A Logic Based Network Forensics Model for Evidence Analysis

January 28, 2015

Author(s)

Changwei Liu, Anoop Singhal, Duminda Wijesekera

Many attackers tend to use sophisticated multi-stage and/or multi-host attack techniques and anti-forensic tools to cover their traces. Due to the limitations...

How Random is Your RNG?

January 18, 2015

Author(s)

Meltem Sonmez Turan, John M. Kelsey, Kerry A. McKay

Cryptographic primitives need random numbers to protect your data. Random numbers are used for generating secret keys, nonces, random paddings, initialization...

An efficient curve evolution algorithm for multiphase image segmentation

January 7, 2015

Author(s)

Gunay Dogan

We propose a novel iterative algorithm for segmentation of multiphase images by curve evolution. Specifically, we address a multiphase version of the Chan-Vese...

Materials Development for High Efficiency Superconducting Nanowire Single-Photon Detectors

January 1, 2015

Author(s)

Adriana E. Lita, Varun B. Verma, Robert D. Horansky, Jeffrey M. Shainline, Richard P. Mirin, Sae Woo Nam

Superconducting nanowire single-photon detectors (SNSPDs) based on ultra-thin films have become the preferred technology for applications that require high...

A 4D Immersive Platform to Visualize RF Propagation in BAN

January 1, 2015

Author(s)

John G. Hagedorn, Kamran Sayrafian, Judith E. Terrill, Kamya Yekeh Yazdandoost

Recent advances in micro-electronics technology to build small radio-enabled implantable and wearable medical sensors have sparked considerable interest in body...

How High a Degree is High Enough for High Order Finite Elements?

January 1, 2015

Author(s)

William F. Mitchell

High order finite element methods can solve partial differential equations more efficiently than low order methods. But how large of a polynomial degree is...

An Approximate Approach to Determining the Permittivity and Permeability near Lambda/2 Resonances in Transmission/Reflection Measurements

December 31, 2014

Author(s)

Sung Kim, James R. Baker-Jarvis

We present a simple and straightforward approximate approach to removing resonant artifacts that arise in the material parameters extracted near half-wavelength...

New Ion Source for High Precision FIB Nanomachining and Circuit Edit

December 31, 2014

Author(s)

Adam V. Steele, Brenton Knuffman, Jabez J. McClelland

We present a review of the Low Temperature Ion Source (LoTIS): its aims, design, performance data collected to date, and focused spot size projections when...

Deployment-driven Security Configuration for Virtual Networks

December 28, 2014

Author(s)

Ramaswamy Chandramouli

Virtualized Infrastructures are increasingly deployed in many data centers. One of the key components of this virtualized infrastructure is the virtual network...

Dynamic Flow Stress Measurements for Machining Applications

December 19, 2014

Author(s)

Steven P. Mates, Eran Vax, Richard Rhorer, Michael B. Kennedy, Eric P. Whitenton, Stephen W. Banovic, Timothy J. Burns

Metals undergo a combination of rapid loading and rapid heating during normal and high speed machining processes. Constitutive models for these materials...

193 nm scatterfield microscope illumination optics

December 17, 2014

Author(s)

Martin Y. Sohn, Richard M. Silver

A scatterfield microscope for deep sub-wavelength semiconductor metrology using 193 nm light has been designed. In addition to accommodating the fixed numerical...

Entendiendo la transicion al estado vitreo usando simulaciones moleculares y su aplicación en Nanotecnologia

December 17, 2014

Author(s)

Beatriz A. Pazmino, Jack F. Douglas, Francis W. Starr

En este trabajo presentamos una aplicacion concreta del uso de modelos computaciones para predecir cambios en las propiedades dinamicas de nanocompuestos...

Cryocooled 10 V Programmable Josephson Voltage Standard

December 11, 2014

Author(s)

Alain Rufenacht, Logan A. Howe, Anna E. Fox, Robert E. Schwall, Paul D. Dresselhaus, Charles J. Burroughs, Samuel P. Benz

Improvements in fabrication and packaging of our 10 V Programmable Josephson Voltage Standard circuits have enabled the successful operation of these devices on...

VIRTUAL FACTORY REVISITED FOR MANUFACTURING DATA ANALYTICS

December 11, 2014

Author(s)

Sanjay Jain, Guodong Shao

Development of a data analytics application for manufacturing is best when tested with large sets of data. It is usually difficult for application developers to...

DATA ANALYTICS USING SIMULATION FOR SMART MANUFACTURING

December 11, 2014

Author(s)

Guodong Shao, Sanjay Jain, Seungjun Shin

Manufacturing organizations are able to accumulate large amounts of plant floor production and environmental data due to advances in data collection...

Sample Allocation for Multiple Attribute Selection Problems

December 10, 2014

Author(s)

Dennis D. Leber, Jeffery W. Herrmann

Prior to making a multiple attribute selection decision, a decision-maker may collect information to estimate the value of each attribute for each alternative...

Firebrand Accumulation in Front of Structures in Large Outdoor Fires

December 10, 2014

Author(s)

Samuel Manzello, Sayaka Suzuki

The production of firebrands contributes to the spread of disastrous large outdoor fires. As structures are exposed to wind, stagnation planes are produced...

Ignition of Mulch beds exposed to firebrand showers

December 10, 2014

Author(s)

Samuel Manzello, Sayaka Suzuki

Mulch is commonly found near buildings and is a useful surrogate to study various fuels that may be present near buildings. To this end, mulch beds were exposed...

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