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Search Publications

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Displaying 19026 - 19050 of 73755

A Proposed Interim Check for Field Testing a Laser Trackers 3-D Length Measurement Capability Using a Calibrated Scale Bar as a Reference Artifact

October 1, 2014
Author(s)
Vincent D. Lee, Christopher J. Blackburn, Balasubramanian Muralikrishnan, Daniel S. Sawyer, Mark Meuret, Aaron Hudlemeyer
This paper describes a proposed interim check for field testing a laser tracker’s 3-D length measurement capability using a calibrated scale bar as a reference artifact. The tests described here are constructed to be sensitive to uncompensated errors in

A Review of Risk Perception in Building Fire Evacuation

October 1, 2014
Author(s)
Max T. Kinateder, Erica D. Kuligowski, Paul A. Reneke, Richard Peacock
Risk perception (RP) is studied in many research disciplines (e.g., safety engineering, psychology, or sociology), and the contexts surrounding the ways in which different concepts of RP are applied vary greatly. Definitions of RP can be broadly divided

Amplifier and Transistor Noise-Parameter Measurements

October 1, 2014
Author(s)
James P. Randa
Methods for measuring the noise parameters of amplifiers and on-wafer transistors are reviewed. After some preliminary background information and conventions, noise parameters are defined and the most common measurement strategies are presented, both for

An improved L1 based algorithm for standardized planar datum establishment

October 1, 2014
Author(s)
Craig M. Shakarji, Vijay Srinivasan
This paper has two major goals. First, we present an algorithm for establishing planar datums suitable for a default in tolerancing standards. The algorithm is based on a constrained minimization search based on the L_1 (L1) norm after forming a convex

Differential Properties of the HFE Cryptosystem

October 1, 2014
Author(s)
Taylor Daniels, Daniel Smith-Tone
Multivariate Public Key Cryptography (MPKC) has been put forth as a possible post-quantum family of cryptographic schemes. These schemes lack provable security in the reduction theoretic sense, and so their security against yet undiscovered attacks remains

Dynamic Force Calibration

October 1, 2014
Author(s)
Akobuije D. Chijioke, Nicholas A. Vlajic
The consequences of not knowing the value of measured forces in terms of meaningful units are significant. In the first place it becomes impossible to standardize an operation based on the measured force value so that it is independent of the particular

EVALUATION OF A LASER SCANNER FOR LARGE VOLUME COORDINATE METROLOGY - A COMPARISON OF RESULTS BEFORE AND AFTER FACTORY CALIBRATION

October 1, 2014
Author(s)
Massimiliano Ferrucci, Bala Muralikrishnan, Daniel S. Sawyer, Steven D. Phillips, Peter Petrov, Yuri Yakovlev, Andrey Astrelin, Spike Milligan, John Palmateer
Large volume laser scanners are increasingly being used for a variety of dimensional metrology applications. Methods to evaluate the performance of these scanners are still under development and there are currently no documentary standards available. This

NIST Framework and Roadmap for Smart Grid Interoperability Standards, Release 3.0

October 1, 2014
Author(s)
Chris Greer, David A. Wollman, Dean Prochaska, Paul A. Boynton, Jeffrey A. Mazer, Cuong Nguyen, Gerald FitzPatrick, Thomas L. Nelson, Galen H. Koepke, Allen R. Hefner Jr., Victoria Yan Pillitteri, Tanya L. Brewer, Nada T. Golmie, David H. Su, Allan C. Eustis, David Holmberg, Steven T. Bushby
Section 1305 of the Energy Independence and Security Act (EISA) of 2007 (Pub. L. 110-140) directs NIST ‘‘to coordinate the development of a framework that includes protocols and model standards for information management to achieve interoperability of

NIST Framework and Roadmap for Smart Grid Interoperability Standards, Release 3.0:

October 1, 2014
Author(s)
Christopher Greer, David A. Wollman, Dean E. Prochaska, Paul A. Boynton, Jeffrey A. Mazer, Cuong T. Nguyen, Gerald J. FitzPatrick, Thomas L. Nelson, Galen H. Koepke, Allen R. Hefner Jr, Victoria Y. Pillitteri, Tanya L. Brewer, Nada T. Golmie, David H. Su, Allan C. Eustis, David G. Holmberg, Steven T. Bushby

Structural Design for Fire: A Survey of Building Codes and Standards

October 1, 2014
Author(s)
Dat Duthinh
This document is a critical assessment of building codes and standards pertaining to structural design for fire from the United States, Canada, European Union members, Japan, New Zealand and Australia. These countries were selected because of their

Universal scaling law for the flow of non-Newtonian colloidal suspension

October 1, 2014
Author(s)
Nicos Martys, William L. George, Maxime Liard, Pascal Hebraud, Didier Lootens
It has been observed that flow curves (viscosity vs shear-rate) of spherical non-colloidal particles suspended in a non-Newtonian fluid matrix can be rescaled so as to collapse onto the flow curve of the matrix fluid. This result is surprising given the
Displaying 19026 - 19050 of 73755
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