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Conferences

Cross-Industry Standard Test Method Developments – from Manufacturing to Wearable Robots

February 20, 2016

Author(s)

Roger V. Bostelman, Elena R. Messina, Sebti Foufou

Manufacturing robotics are moving towards human-robot collaboration with light duty robots being used side-by-side with workers. Similarly, exoskeletons that...

Measuring laser power as a force: A new paradigm to accurately monitor optical power during laser-based machining operations

February 14, 2016

Author(s)

Paul A. Williams, Brian J. Simonds, Jeffrey W. Sowards, Joshua A. Hadler

In laser manufacturing operations, accurate measurement of laser power is important for product quality, operational repeatability, and process validation...

Optical system design for femtosecond-level synchronization of clocks

February 13, 2016

Author(s)

Laura C. Sinclair, William C. Swann, Jean-Daniel Deschenes, Hugo Bergeron, Fabrizio R. Giorgetta, Esther Baumann, Michael A. Cermak, Ian R. Coddington, Nathan R. Newbury

Synchronization of optical clocks via optical two-way time-frequency transfer across free-space links can result in time offsets between the two clocks below...

Impact of Monovalent Counter-ions on the Conformation of Flexible Polyelectrolytes Having Different Molecular Architectures

February 10, 2016

Author(s)

Alexandros Chremos, Jack F. Douglas

We explore the condensation of monovalent counter-ions on the molecular conformation of highly charged flexible polyelectrolytes for a range of molecular...

Security Analysis and Key Modification for ZHFE

February 4, 2016

Author(s)

Ray A. Perlner, Daniel C. Smith-Tone

ZHFE, designed by Porras et al., is one of the few promising candidates for a multivariate public-key encryption algorithm. In this article we extend and...

Bottom Up Approaches to Improved Polyolefin Measurements

February 4, 2016

Author(s)

Sara Orski, Thomas W. Rosch, Anthony Kotula, Richard J. Sheridan, Frederick R. Phelan Jr., Kalman Migler, Chad R. Snyder, Luis F. Vargas Lara, Jack F. Douglas, Kathryn L. Beers

As a class of materials, polyolefins remain the largest production volume polymer in the world, as well as a highly desirable medium from which to engineer high...

On the Differential Security of the HFEv^- Signature Primitive

February 4, 2016

Author(s)

Ryann Cartor, Ryan Gipson, Daniel Smith-Tone, Jeremy Vates

Multivariate Public Key Cryptography (MPKC) is one of the most attractive post-quantum options for digital signatures in a wide array of applications. The...

A Regret Matching Strategy Framework for Inter-BAN Interference Mitigation

February 4, 2016

Author(s)

Vladimir Marbukh, Kamran Sayrafian, Martina Barbi, Mehdi Alasti

A Body Area Network (BAN) is a radio standard for wireless connectivity of wearable and implantable sensors located inside or in close proximity to the human...

Impact of the Energy Detection Threshold on Performance of the IEEE 802.15.6 CSMA/CA

January 28, 2016

Author(s)

Kamran Sayrafian, Martina Barbi, Mehdi Alasti

A Body Area Network (BAN) is a radio interface standard for wireless connectivity of wearable and implantable sensors located inside or in close proximity to...

Kinetic-Based Micro Energy-Harvesting for Wearable Sensors

January 28, 2016

Author(s)

Kamran Sayrafian, Dora Budic, Dina Simunic

Wearable sensors are considered to be a key component of cognitive infocommunications systems. These sensors, which are basically enabler of inter-cognitive...

The Performance of an Auxiliary Heat Pump Water Heater Installed in a Dual-Tank System in a Net-Zero Energy Residence

January 27, 2016

Author(s)

Tania Ullah, William M. Healy

In the effort to achieve low-energy operation of residential buildings, advanced water heating technologies are vitally important. This paper explores the year...

An Auto-Regressive Moving-Average Time Scale Algorithm (ARMA) for Synchronizing Networked Clocks

January 25, 2016

Author(s)

Judah Levine

I will report on a study of the usefulness of ARMA time scale algorithms to synchronize clocks on a digital network. The algorithm acquires periodic time...

GPS Jamming and GPS Carrier-Phase Time Transfer

January 25, 2016

Author(s)

Jian Yao, Marc A. Weiss, Charles Curry, Judah Levine

This paper studies the impact of GPS jamming on GPS carrier-phase time transfer. To study this issue, at NIST, we have installed a commercial GPS jamming...

Ethernet Time Transfer through a U.S. Commercial Optical Telecommunications Network, Part 2

January 25, 2016

Author(s)

Marc A. Weiss, Lee Cosart, James Hanssen

There is a need to back up critical timing infrastructure at the national level. This paper provides an update on a joint project employing commercial equipment...

A TWSTFT calibration guideline and the use of a GPS calibrator for UTC TWSTFT link calibration

January 25, 2016

Author(s)

Zhiheng Jiang, Demetrios Matsakis, Victor S. Zhang, Hector Esteban, Dirk Piester, Shinn-Yan Lin

Two-Way Satellite Time and Frequency Transfer (TWSTFT) links were first introduced to the Coordinated Universal Time (UTC) generation in 1999 [1,19]. These...

Annual Performance of a Two-Speed, Dedicated Dehumidification Heat Pump in the NIST Net-Zero Energy Residential Test Facility

January 21, 2016

Author(s)

William V. Payne

A 2715 ft2 (252 m2), two story, residential home of the style typical of the Gaithersburg, Maryland area was constructed in 2012 to illustrate technologies...

Does Your SEM Really Tell the Truth?—How Would You Know? Part 4: Charging and its Mitigation

January 19, 2016

Author(s)

Michael T. Postek, Andras E. Vladar

This is the fourth part of a series of tutorial papers discussing various causes of measurement uncertainty in scanned particle beam instruments. Scanned...

Massively Parallel TDDB testing : SiC Power devices

January 14, 2016

Author(s)

Zakariae Chbili, Jaafar Chbili, Jason P. Campbell, Jason T. Ryan, M Lahbabi, D Ioannou, Kin P. Cheung

Novel Charge Pumping Method Applied to Tri-Gate MOSFETs for Reliability Characterization

January 14, 2016

Author(s)

Brad Bittel, S Novak, Steve Ramey, S Padiyar, Jason Ryan, Jason Campbell, Kin P. Cheung

A Simulation Study of the LTE Interference on WiFi Signal Detection

January 6, 2016

Author(s)

Yao Ma, Daniel G. Kuester, Jason B. Coder, William F. Young

To address the spectrum scarcity problem and enhance spectrum utilization efficiency, spectrum sharing and coexistence of different wireless communication...

Conference Paper Session 12, Heat Pumps and Unitary Equipment: Optimizing Efficiencies: Annual Performance of a Two-Speed, Dedicated Dehumidification Heat Pump in the NIST Net-Zero Energy Residential Test Facility

January 6, 2016

Author(s)

William V. Payne

Testing Spectrum Sensing Networks by UAV

January 5, 2016

Author(s)

Dan Kuester, Ryan T. Jacobs, Yao Ma, Jason Coder

We consider here the use of hovering unmanned aerial vehicles (UAVs) to test spectrum sensing capabilities of Citizen's Broadband Radio Service (CBRS) systems...

Spectrum Sensing with WLAN Access Points

January 5, 2016

Author(s)

Jason Coder, Ryan T. Jacobs, Vivian Musser

With wireless communication becoming more and more common in simple everyday devices, the available spectrum is quickly filling up and the risk of interference...

Uncertainty Quantification of Stresses in a Cracked Pipe Elbow Weldment Using a Logistic Function Fit, a Nonlinear Least Squares Algorithm, and a Super-Parametric Method

December 30, 2015

Author(s)

Jeffrey T. Fong, James J. Filliben, Nathanael A. Heckert, Pedro V. Marcal, Robert Rainsberger, Li Ma

In a 3-part series of papers, of which this paper is Part II, we investigate the applicability of the fully quadratic hexa-27 element (see Part I) to four...

Real-Time Energy Prediction for a Milling Machine Tool Using Sparse Gaussian Process Regression

December 28, 2015

Author(s)

Sudarsan Rachuri, Jinkyoo Park, Kincho Law, Raunak Binge, Mason Chen, David Dornfeld

This paper describes a real-time data collection framework and an adaptive machining learning method for constructing a real-time energy prediction model for a...

Human and Algorithm Performance on the PaSC Face Recognition Challenge

December 17, 2015

Author(s)

P J. Phillips, Matthew Hill, Jake A. Swindle, Alice O'Toole

Community Resilience Economic Decision Guide for Buildings and Infrastructure Systems An Overview

December 16, 2015

Author(s)

Robert E. Chapman

The Economic Guide provides a standard economic methodology for evaluating investment decisions aimed at improving the ability of communities to adapt to...

Local photocarrier dynamics in CdTe solar cells under optical and electron beam excitations

December 16, 2015

Author(s)

Heayoung Yoon, Paul M. Haney, Yohan Yoon, Sang M. An, James I. Basham, Nikolai Zhitenev

We investigate local carrier dynamics in n-CdS / p-CdTe solar cells, where the electron-hole pairs are generated by either near-field optical illumination or...

Molecular Alignment and Rashba Splitting in Organometal Halide Perovskite CH3NH3PbI3 Absorbers

December 16, 2015

Author(s)

Junwen Li, Paul M. Haney

Organometal halide perovskite CH3NH3PbI3 solar cells have witnessed unprecedented progress in power conversion efficiency, reaching more than 20% within 5 years...

Models for Low Energy Electron Beam Induced Current Experiments in polycrystalline thin film photovoltaics

December 16, 2015

Author(s)

Paul M. Haney, Heayoung Yoon, Rob Collins, Prakash Koirala, Nikolai Zhitenev

Electron beam induced current (EBIC) is a powerful technique which measures the charge collection efficiency of electron-hole pairs generated by an electron...

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