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Conferences

Total Radiated Power Limits for Emission Measurements in a Reverberation Chamber

August 18, 2003

Author(s)

Christopher L. Holloway, Perry F. Wilson, Galen H. Koepke, Marco Candidi

In this paper we present a total radiated power limit for emission measurements in reverberation chambers. This total radiation power limit is intended to be...

Toward a Generic Model for Autonomy Levels for Unmanned Systems (ALFUS)

August 18, 2003

Author(s)

Hui-Min Huang, Elena R. Messina, James S. Albus

Unmanned systems (UMSs) have been deployed to military and civilian operations. UMSs vary widely in their capabilities andcivilian operations. UMSs vary widely...

Performance Evaluation of Tools and Techniques for Representing Cost-Based Decision Criteria for On-Road Autonomous Navigation

August 18, 2003

Author(s)

N H. Zimmerman, Craig I. Schlenoff, Stephen B. Balakirsky

The purpose of the work described in this paper is to analyze rule-based and functional tools to determine which are best suited for cost generation in an...

Quantifying Uncertainty Towards Information-Centric Unmanned Navigation

August 18, 2003

Author(s)

Rajmohan (. Madhavan, Elena R. Messina

Highly imperfect, inconsistent information and incomplete a priori knowledge introduce uncertainty in sensor-centric unmanned navigation systems. Understanding...

Developing World Model Data Specifications as Metrics for Sensory Processing for On-Road Driving Tasks

August 18, 2003

Author(s)

Tony Barbera, John A. Horst, Craig I. Schlenoff, Evan K. Wallace, David Aha

Building knowledge-intensive real-time ntelligent control systems is one of the most difficult tasks that humans attempt. It is motivated by the desire to...

Evolution of a Performance Metric for Urban Search and Rescue Robots (2003)

August 18, 2003

Author(s)

Adam S. Jacoff, Brian Weiss, Elena R. Messina

This paper discusses the advancement and proliferation of the Reference Test Arenas for Urban Search and Rescue Robots as representative search and rescue...

Autonomy Level Specification for Intelligent Autonomous Vehicles: Interim Progress Report

August 18, 2003

Author(s)

Hui-Min Huang, James S. Albus, Elena R. Messina

As unmanned systems become widely employed in various applications, it is critical to have a set of standard definitions and metrics for pecifying and...

Study of In-Tube Evaporation Heat Transfer of Carbon Dioxide.

August 17, 2003

Author(s)

N N. Sawant, Min S. Kim, William V. Payne, Piotr A. Domanski, Y W. Hwang

A Study of In-Tube Evaporation Heat Transfer of Carbon Dioxide

August 17, 2003

Author(s)

N N. Sawant, M Kim, William V. Payne, Piotr A. Domanski, Y W. Hwang

The evaporative heat transfer characteristics of carbon dioxide (CO 2) were measured in a fluid-heated, 8.0 mm ID smooth stainless steel tube. The test...

Effects of Non-Uniform Refrigerant and Air Flow Distributions on Finned-Tube Evaporator Performance.

August 17, 2003

Author(s)

J M. Choi, William V. Payne, Piotr A. Domanski

Operating Margin Measurements for an AC Josephson Voltage Standard

August 17, 2003

Author(s)

Charles J. Burroughs, Samuel Benz, Paul Dresselhaus

For a number of years, NIST has been developing a Josephson arbitrary waveform synthesizer as an ac Josephson Voltage Standard (ACJVS). The effort has primarily...

An Approach to Predicting the Location of Moving Objects During On-Road Navigation

August 15, 2003

Author(s)

Craig I. Schlenoff, Rajmohan Madhavan, Stephen B. Balakirsky

For an autonomous vehicle to navigate in real-time within a dynamic environment, it must be able to respond to moving objects. In particular, it must be able to...

Optical Manipulation of Atoms at the Nanoscale

August 11, 2003

Author(s)

William D. Phillips

These notes are to provide an outline of a lecture presented at the Enrico Fermi Summer School at Nanoscale Science, held in Varenna in July 2000. They are not...

Holmium Oxide Solution as a Prototype Intrinsic Standard in Molecular Absorption Spectrophotometry

August 8, 2003

Author(s)

John C. Travis, David L. Duewer

Multi-loop control of a nanopositioning mechanism for ultra-precision beam steering

August 8, 2003

Author(s)

Jason J. Gorman, Nicholas Dagalakis, B G. Boone

Measurement of Water Transport from Saturated Pumice Aggregates to Hardening Cement Paste

August 6, 2003

Author(s)

Pietro Lura, Dale P. Bentz, D Lange, K Kovler, A Bentur, K Van Breugel

In this study about internal curing of High Performance Concrete, X-ray absorption showed that considerable transport of water from saturated lightweight...

Comparison of Macro-Tip/Tilt & Meso-Scale Position Beam-Steering Transducers for Free-Space Optical Communications Using a Quadrant Photodiode Sensor

August 6, 2003

Author(s)

Jason J. Gorman, Nicholas Dagalakis, K B. Fielhauer, B G. Boone, J R. Bruzzi, Jeffery Kluga

The National Aeronautics and Space Administration (NASA) plans to develop optical communication terminals for future spacecraft, especially in support of high...

Discovery in Hydrating Plaster Using Multiple Machine Learning Methods

August 3, 2003

Author(s)

John G. Hagedorn, J E. Devaney

We apply multiple machine learning methods to obtain concise rules that are highly predictive of scienti cally meaningful classes in hydrating plaster over...

Status of a Multiplexed Single Photon On-Demand Source

August 1, 2003

Author(s)

Alan L. Migdall, Stefania Castelletto, M J. Ware

We present the status of our work implementing a single photon on-demand source based on a multiplexed arrangement of parametricdownconverters. An array of...

Improved Thermal Boundary Layer Parameter for Semi-Theoretical Refrigerant/Lubricant Pool Boiling Model

August 1, 2003

Author(s)

Mark A. Kedzierski

This paper outlines the framework for an improvement in the thermalboundary layer parameter for a semi-theoretical model for predicting thepool boiling heat...

Scientific Applications and Advantages of a Low Energy Synchrotron Radiation Source

August 1, 2003

Author(s)

Uwe Arp

Recent improvements to the synchrotron ultraviolet radiation facility led to unprecedented performance. High injection currents and beam stability, as well as...

LoopDA -- A Natural Ventilation System Design and Analysis Tool

August 1, 2003

Author(s)

William S. Dols, Steven J. Emmerich

The Loop Equation Design Method has been proposed for sizing ventilation airflow components of natural and hybrid ventilation systems. While the loop design...

Validation of CONTAMW Predictions for Tracer Gas in a Townhouse

August 1, 2003

Author(s)

Steven J. Emmerich, Steven J. Nabinger, A Gupte, Cynthia H. Reed

To provide additional validation data for the multizone airflow and contaminant model, CONTAMW, experiments were performed in an occupied 3-story townhouse in...

The Influence of the Atmostphere on Curing Concrete Temperatures and Maturity

August 1, 2003

Author(s)

G S. Wojcik

The SLABS model of curing concrete bridge decks was developed with new boundary condition parameterizations that can accurately account for a wide variety of...

Development of an ASTM Standard Test Method on X-Ray Powder Diffraction Analysis of Hydraulic Cements

August 1, 2003

Author(s)

Paul E. Stutzman

ments are classified, in part, by their phase composition using an estimate derived from a bulk chemical analysis. An alternative method for phase abundance...

Gas Standards Containing Hydrocarbon and Volatile Organic Compounds for Automobile Exhaust and Ambient Air Monitoring

August 1, 2003

Author(s)

George C. Rhoderick

Raman Microspectroscopy of some High Explosives heated to High Temperatures

August 1, 2003

Author(s)

E S. Etz, S V. Roberson, John G. Gillen

Paper reports on the micro-Raman spectra of several high explosives heated to high temperatures, up to melting point. These spectroscopic results are correlated...

MALDI-TOF MS Characterization of Covalent Cationized Polyethylene

August 1, 2003

Author(s)

Sheng Lin-Gibson, D L. Brunner, David L. VanderHart, Barry J. Bauer, B M. Fanconi, Kathleen M. Flynn, William E. Wallace

MALDI-TOF MS generally uses metal salts to cationize synthetic polymers, such as polystyrene. However, reduced analyte signal often results from complications...

Evaluation of Intelligent Information Access Systems

August 1, 2003

Author(s)

Jean C. Scholtz

This paper discusses traditional evaluations for information access systems and proposes metrics more suited for evaluation of intelligent information access...

First Principles Calculations of Ionic Vibrational Frequencies in PbMg&frac13;Nb&frac23;0~3

August 1, 2003

Author(s)

S A. Prosandeev, Eric J. Cockayne, Benjamin P. Burton

Lattice dynamics for several ordered supercells with composition PbMgl/3Nb2/303 (PMN) were calculated with first-principles frozen phonon methods. Nominal...

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