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Search Publications

NIST Authors in Bold

Displaying 37826 - 37850 of 73697

EVM Calculation for Broadband Modulated Signals

December 1, 2004
Author(s)
Michael McKinley, Kate Remley, Maciej Myslinski, J. S. Kenney
We present a normalization that facilitates calculation of error vector magnitude (EVM) from measurements. We derive the IEEE 802.11a standard's EVM from a more basic equation. We compare EVM for various modulation types for a given power level under

Fire Spread Through a Room With Polyurethane Foam Covered Walls

December 1, 2004
Author(s)
Daniel M. Madrzykowski, Nelson P. Bryner, William L. Grosshandler, D W. Stroup
As part of its technical investigation of the fire that occurred in a Rhode Island, USA nightclub in February, 2003, NIST has conducted real-scale experiments to better understand the rate at which fire spreads over foam covered walls and the environment

Full-Scale Flammability Measures for Electronic Equipment.

December 1, 2004
Author(s)
Matthew F. Bundy, Thomas J. Ohlemiller
This report describes an experimental investigation by NIST to study the fire hazard of electronic equipment having thermoplastic enclosures. This work was part of the project titled "Flammability Measures for Electronic Equipment" which was supported

Health Standards & Conformance

December 1, 2004
Author(s)
Thomas R. Rhodes, Clement Ridoret
The goal of this document is to help W3C editors write better specifications, by making a specification easier to interpret without ambiguity and clearer as to what is required in order to conform. It focuses on how to define and specify conformance. It

High-Throughput Method for Determining Modulus of Polymer Blends

December 1, 2004
Author(s)
Carl G. Simon Jr., Naomi Eidelman, Y N. Deng, N Washburn
Polymer blending is commonly used to create materials with improved mechanical properties, but the resulting material properties can have a complex dependence on composition and processing conditions (Paul, 1986). In order to accelerate polymer-blend

Information Models for Product Representation: Core and Assembly Models

December 1, 2004
Author(s)
Sudarsan Rachuri, Mehmet M. Baysal, Utpal Roy, Sebti Foufou, Steven J. Fenves, Eswaran Subrahmanian, Kevin W. Lyons, Ram D. Sriram, Conrad Bock
This report presents a revised and unified view of the NIST Core Product Model (CPM) [1; 2] and the NIST Open Assembly Model (OAM) [3]. The CPM provides a base-level product model that is not tied to any vendor software; open; non-proprietary; simple

Interface Intermixing and In-Plane Grain Size in Aluminum-Transition Metal Bilayers

December 1, 2004
Author(s)
J D. Buchanan, T P. Hase, B K. Tanner, Cedric J. Powell, William F. Egelhoff Jr.
The correlation between grain size and intermixing in sputter deposited bilayers of the form X/Al and Al/X has been investigated by in-plane grazing incidence x-ray diffraction. We find a strong correlation between grain size and intermixing at the

Internet-Based Surface Metrology Algorithm Testing System

December 1, 2004
Author(s)
Son H. Bui, Thomas B. Renegar, Theodore V. Vorburger, Jayaraman Raja, Mark C. Malburg
This paper presents the development of an Internet-based surface metrology algorithm testing system. The system includes peer-reviewed surface analysis tools and a surface texture specimen database for parameter evaluation and algorithm verification. The
Displaying 37826 - 37850 of 73697
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