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Displaying 1601 - 1625 of 1916

IT Security for Industrial Control Systems

February 28, 2002

Author(s)

Joseph Falco, Frederick M. Proctor, Keith A. Stouffer, Albert J. Wavering

… (NIST) is working to improve the IT security of networked digital control systems used in industrial applications. This …

Using Sensor Signals to Analyze Fires

January 23, 2002

Author(s)

William D. Davis, Thomas G. Cleary, Michelle K. Donnelly, S. D. Hellerman

… algorithms must be developed that convert the analog/digital signals received from sensors to the heat release …

Experimental Study of a Water Droplet Impinging on a Liquid Surface

January 1, 2002

Author(s)

Samuel L. Manzello, Jiann C. Yang

… The impaction process was recorded using a high-speed digital camera at 1000 frames per second. The initial droplet …

High-Resolution, Energy-Dispersive Microcalorimeter Spectrometer for X-Ray Microanalysis

December 1, 1997

Author(s)

David A. Wollman, Kent D. Irwin, Gene C. Hilton, L L. Dulcie, Dale E. Newbury, John M. Martinis

We have developed a prototype X‐ray microcalorimeter spectrometer with high energy resolution for use in X‐ray microanalysis. The microcalorimeter spectrometer system consists of a superconducting transition‐edge sensor X‐ray microcalorimeter cooled to an

Apparel Product Data Exchange Standard

January 1, 1992

Author(s)

Yung-Tsun T. Lee

The apparel industry is increasingly reliant on computer technologies to support activities throughout the product life cycle. As computers become more widely used in design, pattern making, grading, and automated manufacturing, the industry is becoming

External Representation of Product Definition Data

January 1, 1989

Author(s)

Bradford Smith

… time to work in the area of representation and exchange of digital product data. The term Product Data denotes the …

3D BUILD MELT POOL PREDICTIVE MODELING FOR POWDER BED FUSION ADDITIVE MANUFACTURING

August 16, 2020

Author(s)

Zhuo Yang, Yan Lu, Ho Yeung, Sundar Krishnamurty

… from 21 completed layers of the build, with 6,192,495 digital commands and 118,928 in-situ melt pool coaxial …

Correlation-Driven Eightfold Magnetic Anisotropy in a Two-Dimensional Oxide Monolayer

April 10, 2020

Author(s)

Zhangzhang Cui, Alexander Grutter, Hua Zhou, Hui Cao, Yongqi Dong, Dustin A. Gilbert, Jingyuan Wang, Yi-Sheng Liu, Jiaji Ma, Zhenpeng Hu, Jinghua Guo, Jing Xia, Brian Kirby, Padraic Shafer, Elke Arenholz, Hanghui Chen, Xiaofang Zhai, Yalin Lu

Engineering magnetic anisotropy (MA) in two-dimensional (2D) ferromagnetic materials has enormous scientific and technological implications. The uniaxial anisotropy universally exhibited by 2D ferromagnetic materials has only two stable spin directions

Mission Critical Voice Quality of Experience Access Time Measurement Methods

October 15, 2019

Author(s)

Jaden K. Pieper, Jesse M. Frey, Chelsea J. Greene, Zainab O. Soetan, Silas T. Thompson, Donald A. Bradshaw, Steven Voran

… technologies: analog direct and conventional modes,and digital Project 25 (P25) direct and trunked (both phase 1 and …

Attribute Considerations for Access Control Systems

June 18, 2019

Author(s)

Chung Tong Hu, David F. Ferraiolo, David Kuhn

… by allowable values required by the appropriate digital policies; successful deployment of the schema for …

Jitter Sensitivity Analysis of the Superconducting Josephson Arbitrary Waveform Synthesizer

November 4, 2018

Author(s)

Christine A. Donnelly, Justus Brevik, Paul Dresselhaus, Pete Hopkins, Samuel P. Benz

… considered in this paper contains a 1.5 bit delta-sigma digital-to-analog converter (DAC) with a sampling frequency …

A table-top PXI based low-field spectrometer for solution dynamic nuclear polarization

October 4, 2017

Author(s)

Joshua R. Biller, Karl F. Stupic, John M. Moreland

We present the development of a portable dynamic nuclear polarization (DNP) instrument based on the PCI eXtensions for Instrumentation platform. The main purpose of the instrument is for study of 1H polarization enhancements in solution through the

Design and Analysis of Optimization Algorithms to Minimize Cryptographic Processing in BGP Security Protocols

July 1, 2017

Author(s)

Vinay Sriram, Douglas Montgomery

The Internet is subject to attacks due to vulnerabilities in its routing protocols. One proposed approach to attain greater security is to cryptographically protect network reachability announcements exchanged between Border Gateway Protocol (BGP) routers

Framework for Cyber-Physical Systems: Volume 1, Overview

June 26, 2017

Author(s)

Edward R. Griffor, Christopher Greer, David A. Wollman, Martin J. Burns

… Cyber-Physical Systems (CPS) comprise interacting digital, analog, physical, and human components engineered …

Framework for Cyber-Physical Systems: Volume 2, Working Group Reports

June 26, 2017

Author(s)

Edward R. Griffor, Christopher Greer, David A. Wollman, Martin J. Burns

… Cyber-Physical Systems (CPS) comprise interacting digital, analog, physical, and human components engineered …

An Auto-Regressive Moving-Average Time Scale Algorithm (ARMA) for Synchronizing Networked Clocks

January 25, 2016

Author(s)

Judah Levine

… of ARMA time scale algorithms to synchronize clocks on a digital network. The algorithm acquires periodic time …

SHA-3 Standard: Permutation-Based Hash and Extendable-Output Functions

August 4, 2015

Author(s)

National Institute of Standards and Technology (NIST), Morris J. Dworkin

… including 1) the generation and verification of digital signatures, 2) key derivation, and 3) pseudorandom …

Image-based 3D Mapping of Rebar Location for Automated Assessment of Safe Drilling Areas Prior to Placing Embedments in Concrete Bridge Decks

May 23, 2012

Author(s)

Mani Golparvar-Fard, Behshad Ghadimi, Kamel Saidi, Geraldine Cheok, Marek Franaszek, Robert R. Lipman

… of the concrete bridge decks. In the proposed method, digital images collected along the rebar cage prior to …

Hyperspectral Imaging of Ischemic Wounds

February 1, 2012

Author(s)

David W. Allen

… assessment of chronic wound but also provided a potential digital phantom platform for quantitative characterization …

Potential Interference Issues between FCC Part 15 Compliant UHF ISM Emitters and Equipment Passing Standard Immunity Testing Requirements

August 17, 2009

Author(s)

David R. Novotny, Jeffrey R. Guerrieri, Daniel G. Kuester

The potential of electromagnetic (EM) interference between multi-channel, FCC Part 15 UHF (902-928 MHz) ISM [1] emitters and devices that have passed immunity requirements under international standards [2] is examined. At close ranges, the fields from a

Comprehensive Evaluation of AIMS Texture, Angularity, and Dimension Measurements

July 3, 2009

Author(s)

Enad M. Mahmoud, Leslie L. Gates, Eyad A. Masad, Sinan T. Erdogan, Edward Garboczi

… developed to measure aggregate shape characteristics using digital camera images of aggregates. This paper addresses …

Predicting the Permeability of Pervious Concretes from Planar Images

May 1, 2009

Author(s)

Milani S. Sumanasooriya, Dale P. Bentz, Narayanan Neithalath

… structures of pervious concretes using two-dimensional digital images obtained from actual specimens, and …

Crack tip opening angle measurement through a girth welded in an X100 steel pipeline section

October 2, 2007

Author(s)

Philippe P. Darcis, Christopher N. McCowan, Joseph D. McColskey, Richard J. Fields

… uses a modified double cantilever beam (MDCB) specimen. A digital camera and image analysis software were used to …

Device and Technology Evolution for Si-Based RF Integrated Circuits

July 1, 2005

Author(s)

Herbert S. Bennett, Ralf Brederlow, Julio Costa, Peter Cottrell, Margaret Huang, Anthony A. Immorlica, Jan-Erik Mueller, Marco Racanelli, Hisashi Shichijo, Charles E. Weitzel, Bin Zhao

… merit (FoMs) are more complex for RF applications than for digital applications. Using the devices in the key circuit …

Authenticating Mobile Device Users Through Image Selection

May 19, 2004

Author(s)

Wayne Jansen

… problem, particularly with mobile devices such as Personal Digital Assistants (PDAs), which tend to be highly personal …

Advanced communications
-Open Radio Access Network (Open-RAN)
-Quantum communications
-Spectrum sharing
-Wireless (RF)
Artificial intelligence
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-Applied AI
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Bioscience
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-Gene delivery systems
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Buildings and Construction
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Chemistry
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Electronics
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Energy
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Health
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Information technology
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Nanotechnology
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