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Displaying 12476 - 12500 of 17284

Chip-Scale Atomic Frequency References: Fabrication and Performance

March 21, 2005
Author(s)
John E. Kitching, Svenja A. Knappe, Li-Anne Liew, John Moreland, Hugh Robinson, P Schwindt, V Shah, Vladislav Gerginov, Leo W. Hollberg
The physics package for a chip-scale atomic frequency standard was constructed and tested. The device has a total volume of 9.5 mm 3, dissipates 75 mW of electrical power at an ambient temperature of 45 °C and has a short-term fractional frequency

Algorithms and Codes for the Macdonald Function: Recent Progress and Comparisons

February 1, 2003
Author(s)
B R. Fabijonas, Daniel W. Lozier, J M. Rappoport
The modified Bessel function K iŅχ, also known as the Macdonald function, finds application in the Kontorovich-Lebedev integral transform when χ and Ņ are real and positive. In this paper, a comparison of three codes for computing this function is made

Sumo2loom Documentation

February 1, 2003
Author(s)
David W. Flater
… In 2002, a project at the U.S. National Institute of Standards and Technology (NIST) called for the use of an …

NIST/BFRL CALIBRATION SYSTEM FOR HEAT-FLUX GAGES

August 6, 2001
Author(s)
William M. Pitts, James R. Lawson, John R. Shields
… system that was developed at the National Bureau of Standards during the 1970s. It is based on a commercial …

Comparison of Some Algorithms to Estimate the Low and High State Level of Pulses

May 1, 2001
Author(s)
O. M. Solomon, Donald R. Larson, Nicholas Paulter
The IEEE Subcommittee on Pulse Techniques (SCOPT) of the Instrument and Measurement Society is developing a new standard for pulse analysis which yields pulse parameters such as amplitude, transition duration, overshoot, undershoot, pulse duration, and

AMRF Network Communications

January 1, 1988
Author(s)
Siefried Rybczynski, Edward J. Barkmeyer Jr., Evan K. Wallace, M Strawbridge, Donald E. Libes, C Young
… This document describes the National Bureau of Standards (NBS) Automated Manufacturing Research Facility …

Integrating Crystallographic and Computational Approaches to Carbon-Capture Materials for the Mitigation of Climate Change

August 27, 2024
Author(s)
Eric J. Cockayne, Austin McDannald, Winnie Wong-Ng, Yu-Sheng Chen, Felipe Gandara Barragan, Jason Benedict, Christopher H. Hendon, David A. Keen, Ute Kolb, Lan Li, Shengqian Ma, William Morris, Aditya Nandy, Tomce Runcevski, Mustapha Soukri, Anuroop Sriram, Janice A. Steckel, John Findley, Chris Wilmer, Taner N. Yildirim, Wei Zhou, Igor Levin, Craig Brown
This article presents an overview of the current state of the art in the structure determination of microporous carbon-capture materials, as discussed at the recent NIST workshop "Integrating Crystallographic and Computational Approaches to Carbon-Capture

Results of an Interlaboratory Study on the Working Curve in Vat Photopolymerization

March 18, 2024
Author(s)
Thomas Kolibaba, Jason Killgore, Benjamin Caplins, Callie Higgins, Uwe Arp, C Cameron Miller, Yuqin Zong, Dianne L. Poster
The working curve informs resin properties and print parameters for stereolithography, digital light processing, and other photopolymer additive manufacturing (PAM) technologies. First demonstrated in 1992, the working curve measurement of cure depth vs

A review of thermal exposure and fire spread mechanisms in Large Outdoor Fires and the Built Environment

July 28, 2023
Author(s)
Alex Filkov, Virginie Tihay-Felicelli, Nima Masoudvaziri, David Rush, Andres Valencia, Yu Wang, David Blunck, Mario Valero, Kamila Kempna, Jeruzalemska Jan Smolka, Jacques De Beer, Zakary Campbell-Lochrie, Felipe Centeno, Muhammad Asim Ibrahim Stuvaregatan, Calisa Katiuscia Lemmertz, Wai Cheong Tam
… gaps, and provide recommendations for future research and standards development. The article consists of two sections: …

Architecture Definition in Complex System Design Using Model Theory

October 4, 2022
Author(s)
Charles Dickerson, Michael Wilkenson, Eugenie Hunsicker, Siyuan Ji, Mole Li, Yves Bernard, Graham Bleakley, Peter Denno
… a definition was adopted that has been subsumed into later standards. In 2018 the working group JTC1/SC7/WG42 on System …

Final report on the CCPR Key Comparison CCPR-K3.2014 Luminous Intensity

June 16, 2022
Author(s)
C Cameron Miller, Yuqin Zong, Arnold Gaertner, Eric Cote, Joaquin Campos, Gael Obein, Peter Blattner, Reto Scafer, Liu Hui, Jiang Xiaomei, Errol Atkinson, Erik Thorvaldson, Kenichi Kinoshita, Rheinhardt Sieberhagen, Irma Rabe, Teresa Goodman, Barry Scott, Armin Sperling, Detlef Lindner, Boris KHlevnoy, Evgeniy Ivashin
… The metrological equivalence of national measurement standards in the field of photometry and radiometry is …

An Analytical Model for CBAP Allocations in IEEE 802.11ad

January 15, 2021
Author(s)
Nada Golmie, Tanguy Ropitault, Michele Zorzi, Chiara Pielli
The IEEE 802.11ad standard extends WiFi operation to the millimeter wave frequencies, and introduces novel features concerning both the physical (PHY) and Medium Access Control (MAC) layers. However, while there are extensive research efforts to develop
Displaying 12476 - 12500 of 17284
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