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Conferences

MEMS Microhotplate Temperature Sensor BIST: Importance and Applications

November 3, 2010

Author(s)

Muhammad Y. Afridi, Jon C. Geist

This paper describe the importance of temperature sensor built-in self test (BIST) for microhotplate based sensors. It shows possible ways to implement BIST...

Nuclear Magnetic Resonance Gyroscopes

November 2, 2010

Author(s)

Elizabeth A. Donley

Nuclear magnetic resonance gyroscopes(NMRGs)detect rotation as shift in the Larmor precession frequency of nuclear spins. A review of the open literature on...

An Integrated PHY and MAC Layer Model for Half-Duplex IEEE 802.11 Networks

November 2, 2010

Author(s)

David W. Griffith, Michael R. Souryal, Camillo A. Gentile, Nada T. Golmie

This paper introduces an IEEE 802.11 analytical model that examines uplink and downlink communications between non-saturated stations and a non-saturated access...

Advancements in Development of an Ultra-Precision, SI-Traceable Nanoindentation Platform

November 2, 2010

Author(s)

Douglas T. Smith, Stuart T. Smith, Bartosz K. Nowakowski

This paper presents a discussion of the design features of a precision indentation platform for measuring indents with traceable uncertainties at the nanometer...

High precision, broadband optical measurements with fiber laser frequency combs

November 2, 2010

Author(s)

Nathan R. Newbury, Ian R. Coddington, Esther Baumann, Fabrizio R. Giorgetta, William C. Swann, Alexander M. Zolot

Optical frequency combs have been used extensively, and with remarkable success, to measure the absolute frequency of cw lasers. The use of frequency combs has...

Fire Resistive Materials: Thermal Barriers between Fires and Structures

November 1, 2010

Author(s)

Dale P. Bentz

Fire resistive materials (FRMs) serve a critical function in insulating (steel) structures to limit steel temperature rise during a fire exposure. This paper...

Effect of 3D Hydrogel Scaffold Stiffness on Human Bone Marrow Stromal Cell Differentiation

November 1, 2010

Author(s)

Carl G. Simon Jr., Sapun Parekh, Marcus T. Cicerone, Sheng Lin-Gibson, Kaushik Chatterjee, Marian F. Young

There is growing recognition cells can sense and respond to the mechanical properties of tissue scaffolds and that these interactions are critical in optimizing...

Wafer-Level Magnetotransport Measurement of Advanced Transistors - Making a Powerful Technique Even More Powerful

November 1, 2010

Author(s)

Kin Cheung, Jason Campbell, Liangchun (. Yu

For transistor research and development, one of the important figures of merit is the carrier mobility. The measurement of mobility is cumbersome in large...

Methods, Practices, and Standards for Evaluating On-Machine Touch Trigger Probing of Workpieces

October 31, 2010

Author(s)

Ronnie R. Fesperman Jr., Shawn P. Moylan, M A. Donmez

This paper presents work being performed by NIST to evaluate test methods prescribed by the new draft standard for determination of on-machine measuring...

The Multi-Relationship Evaluation Design Framework: Creating Evaluation Blueprints to Assess Advanced and Intelligent Technologies

October 29, 2010

Author(s)

Brian A. Weiss, Linda C. Schmidt

Technological evolutions are constantly occurring across advanced and intelligent systems within a range of fields including those within the military, law...

CRYOGENIC CURRENT COMPARATOR FOR THE MEASUREMENT OF ELECTRICAL RESISTANCE IN THE RANGE OF 10 kΩ} TO 1 GΩ}

October 29, 2010

Author(s)

Felipe Hernandez-Marquez, Randolph Elmquist, Benjamin Rodriguez

The development of measurement systems of electrical resistance based on the principle of current comparison in the late 1960s [1] has provided some of the best...

Atomic Spectroscopic Databases at NIST

October 28, 2010

Author(s)

Joseph Reader, Alexander Kramida, Yuri Ralchenko

We present recent work at NIST to develop and maintain databases for spectra, transition probabilities, and energy levels of atoms that are astrophysically...

A comprehensive analysis of the spectrum of Fe II

October 28, 2010

Author(s)

Gillian Nave

A new analysis of the laboratory spectrum of Fe II is described. The aim is to produce a comprehensive list of Fe II lines, based on high-resolution grating and...

Studies of the Spectrum of Chromium for Calibration of STIS and Interpretation of Astrophysical Spectra

October 28, 2010

Author(s)

Craig J. Sansonetti, Gillian Nave, F Kerber

New observations of the spectrum of Pt/Cr-Ne hollow cathode lamps have been made to provide accurate wavelengths for more than 5000 chromium lines for...

Laboratory Astrophysics Results from the NIST-SAO EBIT Team

October 28, 2010

Author(s)

John Gillaspy, E. H. Silver

A guide to the laboratory astrophysics papers published by the NIST-SAO EBIT team is presented.

Towards More Accurate Atomic Oscillator Strengths

October 28, 2010

Author(s)

Wolfgang L. Wiese, Jeffrey R. Fuhr, John M. Bridges

Accurate determinations of atomic oscillator strengths have been a problem for a long time, and discrepancies between various numerical results have been...

Inexpensive Ground Truth and Performance Evaluation for Human Tracking using multiple Laser Measurement Sensors

October 27, 2010

Author(s)

William P. Shackleford, Tsai Hong Hong, Tommy Chang

This paper will describe a flexible and inexpensive method of obtaining ground truth for the evaluation of Human Tracking systems. It is expected to be...

SIM time scales

October 27, 2010

Author(s)

Michael A. Lombardi, J. Mauricio Lopez-Romero, Nelida Diaz-Munoz

This paper presents an analysis of the performance of some of the time scales generated in the Sistema Interamericano de Metrologia (SIM) region. We emphasize...

Performance Assessment of Face Recognition Using Super-Resolution

October 25, 2010

Author(s)

Shuowen Hu, Robert Maschal, S. S. Young, Tsai H. Hong, P. Jonathon Phillips

Recognition rate of face recognition algorithms is dependent on the resolution of the imagery, specifically the number of pixels contained within the face...

An IEEE 1588 Time Synchronization Testbed for Assessing Power Distribution Requirements

October 25, 2010

Author(s)

Julien M. Amelot, Clement Vasseur, Jeffrey Fletcher, Dhananjay Anand, Ya-Shian Li-Baboud, James Moyne

Wide-area monitoring applications for power distribution rely on accurate global time synchronization. Furthermore, there is interest in replacing current time...

Setting the Standard for Competing Globally: International Standards,Codes and Practices

October 21, 2010

Author(s)

William L. Grosshandler

The BFRL International Standards Workshop was held on June 29 and 30, 2009 to identify opportunities for standards development organizations and U.S. industry...

A practical implementation of distributed system control over an asynchronous Ethernet network using time-stamped data

October 21, 2010

Author(s)

Dhananjay Anand, Jeffrey Fletcher, Ya-Shian Li-Baboud, James Moyne

With the increasing use of Ethernet for real time control of distributed dynamic systems, and inexpensive processing power at the sensor and actuator nodes...

Performance Assessments of Two-Way, Free-Form, Speech-to-Speech Translation Systems for Tactical Use

October 20, 2010

Author(s)

Brian A. Weiss, Craig I. Schlenoff

A critical challenge for military personnel when operating in foreign countries is effective communication with the local population. To address this issue, the...

Vision Guided Multi-Probe Assembly of 3D Microstructures

October 20, 2010

Author(s)

John D. Wason, John T. Wen, Young M. Choi, Jason J. Gorman, Nicholas Dagalakis

This paper describes the operator assisted automated assembly of a 3-legged spatial platform by using a vision guided multi-probe assembly process. This is the...

Lessons Learned in Evaluating DARPA Advanced Military Technologies

October 15, 2010

Author(s)

Craig I. Schlenoff, Brian A. Weiss, Michelle P. Steves

For the past six years, personnel from the National Institute of Standards and Technology (NIST) have served as the Independent Evaluation Team (IET) for two...

Properties for Accurate Gas Flow Measurements

October 15, 2010

Author(s)

John D. Wright

Accurate gas properties are needed to take full advantage of the low uncertainties provided by NISTs Gas Flow Calibration Services. If a flowmeter user and...

Description and Uncertainty Analysis of NISTs 20 Liter Hydrocarbon Liquid Flow Standard (20 L HLFS)

October 15, 2010

Author(s)

Aaron N. Johnson, Christopher J. Crowley, Tsyh Tyan Yeh

The National Institute of Standards and Technology (NIST) uses a bi-directional piston prover as its primary standard for measuring hydrocarbon liquid flows...

Accurate Measurements of Process Gas Flow with Laminar Flow Meters

October 15, 2010

Author(s)

Thiago Cobu, Robert F. Berg, John D. Wright, Michael R. Moldover

We calibrated three models of commercially-manufactured, laminar flow meters (LFMs) with nitrogen at four pressures (100 kPa, 200 kPa, 300 kPa, and 400 kPa)...

Bilateral Comparison Confirms NIMs and NISTs Gas Flow Capabilities

October 15, 2010

Author(s)

Aaron N. Johnson, CHUNHUI LI

The bilateral comparison between NIM and NIST for gas flow was conducted from June 2008 to October 2009. Two critical flow venturis (CFVs) with nominal throat...

TOWARDS DATA DRIVEN SUSTAINABLE MACHINING Combining Mtconnect Production Data and Discrete Event Simulation

October 15, 2010

Author(s)

Nils Bengtsson, John L. Michaloski, Frederick M. Proctor, Guodong Shao, Sid Venkatesh

Recently there has been an increased focus on the environmental aspects of the manufacturing industry across the world. Boeing and NIST have studied the...

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