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Conferences

Time-Division SQUID Multiplexers

February 1, 2002

Author(s)

Kent D. Irwin, Leila R. Vale, Norman F. Bergren, Steven Deiker, Erich N. Grossman, Gene C. Hilton, John M. Martinis, Sae Woo Nam, Carl D. Reintsema, David A. Rudman, Martin Huber

SQUID multiplexers (MUX) make is possible to build arrays of thousands of low-temperature bolometers and microcalorimeters based on superconducting transition...

Using Sensor Signals to Analyze Fires

January 23, 2002

Author(s)

William D. Davis, Thomas G. Cleary, Michelle K. Donnelly, S. D. Hellerman

Building fire sensors are capable of supplying substantially more information to the fire service than just the simple detection of a possible fire. Nelson, in...

Stray light compensation in small area contrast measurements of projection displays

January 23, 2002

Author(s)

Paul A. Boynton, Edward F. Kelley

The accurate measurement of small area black levels is important in projection display characterization. For example, techniques can be used to determine...

The Design of a Parallel Adaptive Multi-Level Code in Fortran 90

January 1, 2002

Author(s)

William F. Mitchell

Software for the solution of partial differential equations using adaptive refinement, multi-level solvers and parallel processing is complicated and requires...

Dependence Characteristics of Face Recognition Algorithms

January 1, 2002

Author(s)

Andrew L. Rukhin, Patrick J. Grother, P J. Phillips, Stefan D. Leigh, E M. Newton, Nathanael A. Heckert

Nonparametric statistics for quantifying dependence between the output rankings of face recognition algorithms are described. Analysis of the archived results...

The algorithm used to realize UTC(NIST)

January 1, 2002

Author(s)

Judah Levine, Thomas E. Parker

Performance Evaluation of a Reciprocating Chiller Using Experimental Data and Model Predictions for Fault Detection and Diagnosis

January 1, 2002

Author(s)

Natascha S. Milesi-Ferretti

tecting degradation faults remains a challenge in spite of the advances in monitoring and controls software. Basic monitoring equipment can be used to detect...

An Economic Assessment of Selected Integration and Automation Technologies

January 1, 2002

Author(s)

Robert E. Chapman

This paper presents a critical analysis of the economic impacts of past, ongoing, and planned research of BFRL's construction systems integration and automation...

Error Free Liquid Flow Diverters for Calibration Facilities (FEDSM2002-31085)

January 1, 2002

Author(s)

Tsyh Tyan Yeh, Aaron N. Johnson, Pedro I. Espina, N Yende

A design for diverter valves in gravimetric liquid flow calibration facilities is proposed. The concept makes use of repeated unidirectional motions of the...

Measurement and Numerical Prediction of Homogeneous Turbulent Flow Over a Cylinder: A Baseline for Droplet-Laden Flow Studies

January 1, 2002

Author(s)

Cary Presser, J F. Widmann, P E. DesJardin, L A. Gritzo

The focus of this effort is to investigate the dispersal of liquid agents around solid obstacles, and obtain a better understanding of the physical processes of...

A Flexure Balance With Adjustable Restoring Torque for Nanonewton Force Measurement

January 1, 2002

Author(s)

Jon R. Pratt, David B. Newell, John A. Kramar

The NIST electrostatic force balance compares mechanical probe forces to an SI realization of force derived from measurements of the capacitance gradient and...

Towards Measuring the Performance of Architectural Components of Autonomous Vehicular Systems

January 1, 2002

Author(s)

Lawrence A. Welsch, Rajmohan (. Madhavan, Craig I. Schlenoff

For a vehicular system to act intelligent, the system must be able to 1) sense in a dynamic domain; 2) model the domain internally; 3)determine possible courses...

Scattering by a Dielectric Wedge for Oblique Incidence

January 1, 2002

Author(s)

Egon Marx

Electromagnetic scattering of an incident plane monochromatic wave by dielectric or finitely conducting infinite cylinders of arbitrary cross section can be...

NIST Electrostatic Force Balance Experiment

January 1, 2002

Author(s)

John A. Kramar, David B. Newell, Jon R. Pratt

We have designed and built a prototype electrostatic force balance for realizing forces in the micronewton range. The active electrodes are concentric cylinders...

Sensor Network and Information Interoperability Integrating IEEE 1451 With MIMOSA and OSA-CBM

January 1, 2002

Author(s)

Kang B. Lee, Robert Gao, Richard D. Schneeman

The IEEE 1451 Smart Transducer Interface for Sensors and Actuators Standard was developed to facilitate sensor to network interoperability. It has defined a set...

Tri-Alpha-Napthyl Benzene as a Crystalline or Glassy Matrix for Matrix-Assisted Laser Desorption/Ionization: A Model System for the Study of Effects of Dispersion of Polymer Samples at a Molecular Level

January 1, 2002

Author(s)

Barry J. Bauer, Kathleen M. Flynn, Da-Wei Liu, William R. Blair

Tri-a-napthyl benzene (TaNB) is used as a matrix in matrix-assisted laser desorption/ionization (MALDI) spectroscopy. Electrosprayed TaNB is crystalline and has...

Video-Based Metrology

January 1, 2002

Author(s)

Theodore D. Doiron, John R. Stoup, Marilyn N. Abrams, Tsai Hong Hong

Video cameras are increasingly used to make dimensional measurements. Many of these systems use interpolation of the pixel data, with some systems claiming to...

Collaboration between NPL and NIST ed. by K. Berry A celebration of the past - A vision for the future,

January 1, 2002

Author(s)

K B. Gebbie

Phase Coherent Synthesis of Optical Frequencies and Waveforms

January 1, 2002

Author(s)

Jun Ye, Steven T. Cundiff, John L. Hall, D J. Jones, R J. Jones, John D. Jost, H C. Kapteyn, L -. Ma

Optical Frequency Measurement and Standards

January 1, 2002

Author(s)

Jun Ye, John L. Hall

Ionospheric Models and Measurements For Common-View Time Transfer

January 1, 2002

Author(s)

Marc A. Weiss, Victor S. Zhang, M J. Jensen, E Powers, W J. Klepczynski, J Klobuchar, W Lewandowski

Time Distribution Using the World Wide Web

January 1, 2002

Author(s)

Andrew N. Novick, P R. Franchois, Michael A. Lombardi, W D. Lee

Comparison of the One-Way and Common-View GPS Measurement Techniques using a Known Frequency Offset

January 1, 2002

Author(s)

Michael A. Lombardi, Andrew N. Novick

Efficient Time Transfer Using the Internet

January 1, 2002

Author(s)

Judah Levine

Performance of Small Scale-Frequency References

January 1, 2002

Author(s)

John E. Kitching, Svenja A. Knappe, Leo W. Hollberg

A 100 GHz AM and PM Noise Measurement System: Preliminary Design and Performance

January 1, 2002

Author(s)

David A. Howe, Craig W. Nelson, F L. Walls, J F. Garcia nava, Archita Hati, A Sen Gupta

A 1OO GHz AM and PM noise measurement system is described. The basic approach to its construction is to apply existing state-of-the-art, cross-correlation noise...

Wide-Range Microwave Frequency Synthesis Using An Offset Passive Resonator

January 1, 2002

Author(s)

David A. Howe, Archita Hati, Craig W. Nelson, F L. Walls, J F. Garcia nava, A Sen Gupta

We demonstrate a technique to obtain wide synthesized tunability from the local oscillator (LO) of a low-noise, fixed-frequency microwave reference whose noise...