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Conferences

Low-Cost, Broadband Absorber Measurements

October 1, 2000

Author(s)

David R. Novotny, Robert T. Johnk, Arthur Ondrejka

We present a method for evaluating broadband absorber in a non-ideal testing environment. Using broadband, short impulse TEM horns, a frequency-rich spectrum...

Evaluation of an EMC Compliance Chamber Using an Ultrawideband Measurement System

October 1, 2000

Author(s)

Robert T. Johnk, David R. Novotny, Claude Weil, Marlene Taylor, T. J. O'Hara

This paper summarizes a joint NIST-Industry measurement effort. The purpose of this effort was to use a NIST-developed altrawide band measurement system to...

Electrostriction Mechanism in Electron-Irradiated Ferroelectric Copolymer: a Frequency Response Model

October 1, 2000

Author(s)

E Balizer, Fred B. Bateman, A S. DeReggi, Dan A. Neumann

The time-resolved optical measurement of the electrostrictive strain of an electron-irradiated copolymer of vinylidene fluoride with trifluoroethylene produced...

Uncertainties in Dynamic Sphere Radar Cross Section Data

October 1, 2000

Author(s)

Lorant A. Muth, W. Sefcik

This is a report on work in progress to understand the wide variations in sphere calibration data observed on dynamic radar cross section measurement ranges...

Radiometric Characterization and Calibration of the Marine Optical System (MOS) for the Marine Optical Buoy (MOBY) Project

October 1, 2000

Author(s)

C Habauzit, Steven W. Brown, Keith R. Lykke, B. Carol Johnson, M Yarbrough, M Feinholz, D K. Clark

The scientific objective of the Marine Optical Buoy (MOBY) project is to measure the downwelling spectral irradiance, E d, and the upwelling spectral radiance...

Dimensional Metrology of Millimeter- and Sub-millimeter-scale Components

October 1, 2000

Author(s)

Theodore V. Vorburger, Jun-Feng Song, Joseph Fu, M Tundermann, Thomas Brian Renegar, Theodore D. Doiron, N G. Orji

Decreasing sizes and tolerances of engineering components bring a demand for decreasing uncertainty in the dimensional measurements of these parts. Hence there...

Broadband Determination of Microwave Permittivity and Loss in Tunable Dielectric Thin Film Materials

October 1, 2000

Author(s)

James Booth, Leila R. Vale, Ronald H. Ono

We demonstrate a new method for determining the frequency-dependent dielectric properties of thin-film materials at microwave frequencies using coplanar...

Improved Fiber-Optic Magnetometer Based on Iron Garnet Crystals

October 1, 2000

Author(s)

Kent B. Rochford, Robert J. Espejo, Allen Rose, Shellee D. Dyer

Electro-Optic Kerr Effect in Spun High-Birefringent Fiber Current Sensors

October 1, 2000

Author(s)

Allen Rose, P. G. Polynkin, J. Blake

We have measured the influence of the electro-optic (EO) Kerr effect on the response of a spun high-birefringence (hi-bi) fiber current sensor in a simulated...

CIE Fundamentals for Color Measurements

September 30, 2000

Author(s)

Yoshi Ohno

The paper first overviews the CIE system of colorimetry, covering CIE 1931 color matching functions, XYZ tristimulus values, the x, y diagram, the 1976 u', v'...

On-Wafer Measurement of Transmission Lines On Lossy Silicon Substrates

September 25, 2000

Author(s)

Uwe Arz, Dylan Williams, Hartmut Grabinski

This paper examines broadband measurement techniques for electrical properties of planar transmission lines built on lossy silicon substrates. We start by...

Automated Tracking of Structural Steel Members at the Construction Site

September 18, 2000

Author(s)

K M. Furlani, L E. Pfeffer

This paper presents further development and experimental testing of Comp-TRAK, a prototype system for identification and spatial tracking of structural steel...

Mutation Operators for Specifications

September 15, 2000

Author(s)

Paul E. Black, Vadim Okun, Yaacov Yesha

Testing has a vital support role in the software engineering process, but developing tests often takes significant resources. A formal specification is a...

Attractors, Chain Transitive Sets and Invariant Measures

September 15, 2000

Author(s)

Fern Y. Hunt

This paper discusses an easy to implement procedure for approximating the long time behavior of iterates of maps. Applications include to finding the roots of a...

A New Methodology for Determining Interfacial Shear Strength in Single Fiber Composites

September 12, 2000

Author(s)

Gale A. Holmes, Donald L. Hunston, Walter G. McDonough, R C. Peterson

Marginally Flammable Materials: Burning Velocity of Trans-Dichloroethylene

September 10, 2000

Author(s)

Gregory T. Linteris, Valeri I. Babushok

The overpressure dynamics and explosion hazard of commodity materials under full-scale conditions are often assessed through laboratory measurements of their...

Marginally Flammable Materials: Burning Velocity of Trans-Dichloroethylene.

September 10, 2000

Author(s)

Gregory T. Linteris, Valeri I. Babushok

The overpressure dynamics and explosion hazard of commodity materials under full-scale conditions are often assessed through laboratory measurements of their...

Characterization of Lightpipe Radiation Thermometers for the NIST Test Bed

September 1, 2000

Author(s)

Benjamin K. Tsai, Christopher W. Meyer, Francis J. Lovas

From 2D to 3D: Numerical Grid Generation and the Visualization of Complex Surfaces

September 1, 2000

Author(s)

Bonita V. Saunders, Qiming Wang

The widespread use of high level mathematical functions to solve problems in the mathematical and physical sciences has led the National Institute of Standards...

Oxidative DNA Damage and Its Potential Use for Monitoring Oxidative Stress

September 1, 2000

Author(s)

M. Dizdaroglu

Refrigerant/Lubricant Mixture Boiling Heat Transfer Research at NIST

September 1, 2000

Author(s)

Mark A. Kedzierski

This paper overviews the boiling heat transfer research of the recent few years at NIST (National Institute of Standards and Technology) on refrigerant...

Curing of High-Performance Concrete for Strength-What is Sufficient?

September 1, 2000

Author(s)

Nicholas J. Carino, K W. Meeks

This paper reports the results of an exploratory study on the effects of curing duration on the variation of mortar strength with distance from the drying...

Time-Dependent Diffusivities: Possible Misinterpretation Due to Spatial Dependence

September 1, 2000

Author(s)

Dale P. Bentz, X Feng, R. D. Hooton

To accurately predict the service life of a reinforced concrete structure exposed to chloride ions, it is necessary to estimate the temporal dependence of the...

Isotopic (¹⁴C) and Chemical Composition of Atmospheric Volatile Organic Compounds-Precursors to Ozone

September 1, 2000

Author(s)

George A. Klouda, C. W. Lewis, R A. Rasmussen, D C. Stiles, W D. Ellenson, J L. Marolf, R. K. Stevens

Atmospheric volatile organic compounds (VOCs) are an important factor in the production of ozone near ground level [3]. Many hydrocarbons origanate from auto...

Single Fiber Composites: A New Methodology for Determinig Interfacial Shear Strength

September 1, 2000

Author(s)

Gale A. Holmes, Donald L. Hunston, Walter G. McDonough, R C. Peterson

Two of the critical factors controlling the long-term performance and durability of composites in structural applications is the fiber-matrix interfacial shear...

The Trilogy Update of IEEE Std. C62.41

September 1, 2000

Author(s)

Francois D. Martzloff

Progress report on the restructuring of two IEEE standards concerned with surges in low-voltage a.c. power circuits into a Trilogy of three documents. First a...

On the Dispersion of Lightning Current After a Direct Flash to a Building

September 1, 2000

Author(s)

Francois D. Martzloff

Simplifications often made when simulating the dispersion of lightning current can yield results that depart too much from the complex reality of a direct...

A New IEC Standard on the Measurement of Power Quality Parameters

September 1, 2000

Author(s)

Francois D. Martzloff

Following an initiative from the French and the U.S. National Committees, the IEC Technical Committee TC77 charged its Subcommittee 77A (Low-Frequency Phenomena...

Assessment of Sensitivity Advances in Near-Field Raman Spectroscopy

September 1, 2000

Author(s)

Chris A. Michaels, C E. Dentinger, Lee J. Richter, D B. Chase, Richard R. Cavanagh, Stephan J. Stranick

Near-field Raman spectroscopy can be used to obtain images with both chemical specificity and the subwavelength spatial resolution of near-field scanning...

Implementation of VRML/Java Web-based Animation and Communications for the Next Generation Inspection System (NGIS) Real-time Controller

September 1, 2000

Author(s)

William P. Shackleford, Keith A. Stouffer

Robotics & Intelligent Systems, Standards, Control

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