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Displaying 40401 - 40425 of 73960

Test Arenas and Performance Metrics for Urban Search and Rescue Robots

October 31, 2003
Author(s)
Adam S. Jacoff, Elena R. Messina, Brian Weiss, S Tadokoro, Y Nakagawa
In this paper, we discuss the development and proliferation of robot test arenas that provide tangible, realistic, and challenging environments for mobile robot researchers interested in urban search and rescue applications and other unstructured

From Databooks to Online Dictionaries and Parts Catalogues

October 27, 2003
Author(s)
John V. Messina, James A. St Pierre
This power point presentation was presented at the 4th Annual ECCMA Membership Conference at Lehigh University on October 22nd, 2003 during a panel presentation on competitive sourcing, parts interoperability, and inventory visibility in public sector

Manufacturing and Quality Control of the NIST Reference Material 8240 Standard Bullet

October 26, 2003
Author(s)
Eric P. Whitenton, Clarence Johnson, David R. Kelley, Robert A. Clary, Brian S. Dutterer, Li Ma, Jun-Feng Song, Theodore V. Vorburger
The National Integrated Ballistics Information Network (NIBIN) is currently under development by the Bureau of Alcohol, Tobacco and Firearms (ATF) and the Federal Bureau of Investigation (FBI). In support of this effort, the National Institute of Standards

Elevators for Occupant Evacuation and Fire Department Access

October 23, 2003
Author(s)
Erica D. Kuligowski
This paper will present a study of the potential for elevators to reduce occupant egress time and fire department access time for fires in tall buildings. Potential reductions in egress and access times will be compared for some specific cases where times

CONTAM 2.1 Supplemental User Guide and Program Documentation

October 22, 2003
Author(s)
George Walton, William Stuart Dols
CONTAM is a general purpose, multi-zone (nodal) airflow and contaminant transport analysis tool that can be used to determine inter-zone pressure differences, airflow rates and contaminant transport in complex building structures. This tool was developed

Urethane Methacrylate Resin Based Amorphous Calcium Phosphate Composites

October 22, 2003
Author(s)
W F. Regnault, Drago Skrtic, Joseph M. Antonucci
This study investigates the mechanical and ion-release properties of potentially bioactive amorphous calcium phosphate composites derived from three types of urethane dimethacrylate resins. Both the biaxial flexure strength, especially after immersion in

IEEE Standard 802.16 for Global Broadband Wireless Access

October 21, 2003
Author(s)
Roger Marks
Global standardization is a key issue for the success of broadband wireless access systems. The IEEE 802.16 Working Group on Broadband Wireless Access, with hundreds of participants worldwide, has developed IEEE Standard 802.16, with its WirelessMAN air

Phase-Dependent RCS Measurements in the Presence of Outliers

October 19, 2003
Author(s)
Lorant A. Muth, Timothy Conn
Coherent radar cross section measurements on a target moving along the line-of-sight in free space will trace a circle centered on the origin of the complex (I,Q) plane. The presence of additional complex signals (for example, background, clutter, average

Uncertainty Analysis for Spherical Near-Field Measurement

October 19, 2003
Author(s)
Michael H. Francis, Ronald C. Wittmann
A general approach is introduced for estimating uncertainties in far-field paramenters from spherical near-field measurements. Although the analysis is incomplete at present, we expect that as the measurement radius increases, our results will transform

Uncertainty Analysis of RCS Calibrations at the Etcheron Valley Range

October 19, 2003
Author(s)
Lorant A. Muth, Dale M. Diamond, John Liles, James Adams
We have been developing the uncertainty analysis of RCS calibrations and measurements at the Etcheron Valley RCS outdoor ground-bounce facility in the 2-18 GHz range. In this study we report on the results of the uncertainty analysis primarily at 11.3 GHz

Highly Multiplexed Assays for Measuring Polymorphisms on the Y-Chromosome

October 17, 2003
Author(s)
John M. Butler, R Schoske, Peter Vallone
A multiplex PCR assay capable of amplifying 20 Y chromosome short tandem repeat (STR) markers simultaneously has been developed. These markers include all of the Y STRs that make up the extended haplotype used in Europe (DYS19, DYS385, DYS389I/II, DYS390

The 2002 Materials Research Society (MRS) Fall Meeting report

October 17, 2003
Author(s)
Winnie K. Wong-Ng
Following tradition, the 2002 Materials Research Society (MRS) annual meeting again took place from in Boston Copely Plaza from December 1 to 6 (in the spacious Hynes Convention Center). Attending the Boston MRS Fall meeting, for many attendees, has also

A Simulation Analysis of BACnet Local Area Networks

October 15, 2003
Author(s)
W Song, S Hong, Steven T. Bushby
Cnet is a standard data communication protocol for building automation and control systems. BACnet defines an object-base model of the information that is exchanged between components of the building automation system and an application layer protocol that
Displaying 40401 - 40425 of 73960
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