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Displaying 1376 - 1400 of 1916

Constrained Least-Squares Fitting for Tolerancing and Metrology

July 1, 2019
Author(s)
Craig M. Shakarji, Vijay Srinivasan
Recent years have seen a remarkable emergence of a particular type of least-squares fitting, called constrained least-squares fitting, in national and international standards on tolerancing and metrology. Fitting, which is called an association operation

Rethinking Distributed Ledger Technology

March 20, 2019
Author(s)
David R. Kuhn, Dylan J. Yaga, Jeffrey M. Voas
… generated vastly more interest than previous proposals for digital currencies. Blockchains are being used in other areas …

The Industrial Ontologies Foundry Proof-of-Concept Project

August 26, 2018
Author(s)
Boonserm Kulvatunyou, Evan K. Wallace, Dimitris Kiritsis, Barry Smith, Chris Will
The current industrial revolution is said to be driven by the digitization of manu-facturing that exploits connected information across all aspects of manufacturing. Standards have been recognized as an important enabler. Ontology is the next generation

Microresonator frequency comb optical clock

July 1, 2014
Author(s)
Scott B. Papp, Katja M. Beha, Pascal P. Del'Haye, Franklyn J. Quinlan, Hansuek Lee, Kerry J. Vahala, Scott A. Diddams
Optical frequency combs enable measurement precision at the 20th digit, and measurement accuracy entirely commensurate with their reference oscillator. A new direction in experiments is the creation of ultracompact frequency combs by way of nonlinear

Ranging Performance Evaluation of a Laser Scanner

October 20, 2013
Author(s)
Massimiliano M. Ferrucci, Balasubramanian Muralikrishnan, Christopher J. Blackburn, Daniel S. Sawyer, Steven D. Phillips, Vincent D. Lee, Peter Petrov, Yuri Yakovlev, Andrey Astrelin, Spike Milligan, John Palmateer
Large volume laser scanners are used for a variety of purposes, including dimensional metrology of large artifacts, digitization and reverse engineering, as well as historical preservation and archiving. In evaluating the performance of laser scanners, we

Hyperspectral Imaging and Analysis of Single Erythrocytes

August 12, 2011
Author(s)
Ji Y. Lee, Matthew L. Clarke, Fuyuki Tokumasu, John F. Lesoine, David W. Allen, Robert C. Chang, Maritoni A. Litorja, Jeeseong Hwang
… controlling spectral shape of the illumination light by a digital micromirror device (DMD) and correct for the …

MBE Standardization and Validation

July 6, 2011
Author(s)
Joshua Lubell, Nathan W. Hartman, Doug Cheney
… to product design, manufacturing, and support where a digital three-dimensional representation of the product …

NIST s Integrated Colony Enumerator (NICE)

August 11, 2009
Author(s)
Matthew L. Clarke, Jeeseong Hwang
… agar plate. Images can be cost effectively acquired by a digital camera or a desktop scanner and imported into NICE. …
Displaying 1376 - 1400 of 1916
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