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Displaying 1151 - 1175 of 1916

A Monolithic Implementation of Interface Circuitry for CMOS Compatible Gas-Sensor System

July 1, 2002

Author(s)

Muhammad Afridi, John S. Suehle, Mona E. Zaghloul, David W. Berning, Allen R. Hefner Jr., Stephen Semancik, Richard E. Cavicchi

… sensing material. The interface circuitry on the chip has digital decoders to select each element of the sensing array, …

Modulation Transfer Function Measurement Method for Electrically-Addressed Spatial Light Modulators

October 1, 2001

Author(s)

Patrick J. Grother, D P. Casasent

… is presented for electrically-addressed SLMs. It involves digital analysis of the output image of a square-wave pattern …

PBX Vulnerability Analysis: Finding Holes in Your PBX Before Someone Else Does

April 1, 2001

Author(s)

David R. Kuhn

… identify security vulnerabilities. The report focuses on digital-based PBXs and addresses the following areas for …

Secure Web-Based Access to High-Performance Computing Resources

January 15, 1999

Author(s)

R P. McCormack, J E. Koontz, J E. Devaney

… to a proxy Web server using a secure protocoland a digital certificate. The server constructs a …

Retrieval and Clustering from a 3D Human Database based on Body and Head Shape

August 11, 2006

Author(s)

Afzal A. Godil, Sanford P. Ressler

… SAE, 2006 Digital Human Modeling for Design and Engineering Conference …

Face Recognition Technology Evaluation (FRTE): Preparation of Compact Face Images for 2D Barcodes

September 25, 2025

Author(s)

Patrick Grother, Mei Ngan, Austin Hom

Compact face photographs, stored and digitally signed in 2D barcodes, form a low-cost tamper-resistant identity credential. The cryptographic signature allows binding of the 2D barcode to the issuer, and bio- metric authentication binds a live photograph

Considerations for Implementing Morph Detection in Operations

August 18, 2025

Author(s)

Mei Ngan, Patrick Grother

… that allow users to submit their own photos where digital history is unknown. The threat can be reduced …

Rapid Detection of Bacterial Response to Antibiotics through Induced Phase Noise of a Resonant Crystal

November 18, 2021

Author(s)

Fred Walls, Danielle France, Ward L. Johnson, John Miles, Nikki Rentz, William Cordell, Shelley Kon, Ian Babson

… A new low cost, multi-channel desktop digital instrument was developed which measures bacteria …

Ra-224 activity, half-life, and 241 keV gamma ray absolute emission intensity: a NIST-NPL bilateral comparison

December 31, 2020

Author(s)

Denis E. Bergeron, Sean Collins, Leticia Pibida, Jeffrey T. Cessna, Ryan P. Fitzgerald, Brian E. Zimmerman, Peter Ivanov, John Keightley, Elisa Napoli

… of 224RaCl2 were assayed by absolute methods, including digital coincidence counting and triple-to-double coincidence …

DARPA Organic Interconnect Characterization

January 27, 2020

Author(s)

Dylan Williams, Richard Chamberlin, Jerome Cheron, Sam Chitwood, Ken Willis, Brad Butler, Farhang Yazdani

… and silicon interposers used to connect state-of-the art digital, analog and RF chiplets commissioned by the U.S. …

Rethinking Authentication

November 11, 2019

Author(s)

Kim B. Schaffer

… implementing, and supporting authentication for their digital systems. Perhaps because of this, an organization's …

Blockchain Technology Overview

October 3, 2018

Author(s)

Dylan J. Yaga, Peter M. Mell, Nik Roby, Karen Scarfone

… Blockchains are tamper evident and tamper resistant digital ledgers implemented in a distributed fashion (i.e., …

Research directions for an open unit manufacturing process repository: A collaborative vision

December 20, 2017

Author(s)

William Z. Bernstein, Arun Bala Subramaniyan, Alexander Brodsky, Ian C. Garretson, Karl Haapala, Donald E. Libes, Katherine C. Morris, Rong Pan, Vittaldas Prabhu, Arkopaul Sarkar, Arvind Shankar Raman, Zhenhua Wu

… systems can see dramatic improvements through the use of digital technologies for modeling and simulation prior to …

On Neutron Activation Analysis with Gamma,Gamma Coincidence Spectrometry

July 26, 2017

Author(s)

Rolf L. Zeisler, Hana Cho, Ibere Souza Ribeiro Junior, Martin G. Shetty, Danyal J. Turkoglu

… system has been set up at NIST. It is operated with a digital data finder supported by new software developed at …

Cyber-Physical Systems Framework

November 2, 2015

Author(s)

David A. Wollman

… Two worlds that have operated independentlythe digital and physical worldsare now merging, creating …

NIST 1-kilonewton sine force calibration system

January 22, 2014

Author(s)

Akobuije D. Chijioke, Ricky L. Seifarth, Zeina J. Kubarych

… (a), and voltage measurement using a calibrated fast digital voltmeter. The output voltage from a force transducer …

Versus: A Framework for General Content-Based Comparisons

October 8, 2012

Author(s)

Peter Bajcsy, Antoine Vandecreme, Benjamin J. Long, Paul Khouri Saba, Joe Chalfoun, Luigi Marini, Rob Kooper, Michal Ondrejcek, Kenton McHenry, Smruti Padhy

… customizable content-based file comparison methods. Given digital objects such as files, database entries, or in-memory …

A statistical study of de-embedding applied to eye diagram analysis

February 1, 2012

Author(s)

Paul D. Hale, Jeffrey A. Jargon, Chih-Ming Wang, Brett Grossman, Matthew Claudius, Jose Torres, Andrew M. Dienstfrey, Dylan F. Williams

… We describe a stable method for calibrating digital waveforms and eye diagrams using the measurement …

Development of a Four-channel System for Johnson Noise Thermometry

June 13, 2010

Author(s)

Alessio Pollarolo, Jifeng Qu, Horst Rogalla, Paul Dresselhaus, Samuel Benz

… with new components, including a switchboard, an analog-digital converter (ADC) and a programmable, recharging power …

Cross-Property Correlations and Permeability Estimation in Sandstone

October 26, 2005

Author(s)

C H. Arns, M A. Knackstedt, Nicos Martys

Results from a numerical study examining the cross-property correlations linking fluid permeability to conductive properties and to a number of pore size parameters based on 3D digitized images of sedimentary rock are presented. In particular we focus on

Arrays of high-temperature superconductor Josephson junctions for quantum voltage noise source

September 5, 2005

Author(s)

Alexander Klushin, Igor Gordiychuk, Samuel Benz

… junctions to the low 5 GHz drive frequency of the digital pulse-drive signal used in this source, we examined …

Nanotechnology in Integrative Systems: Introduction to Integrative Systems

August 17, 2004

Author(s)

Michael Gaitan

… 'high tech' with computerized checkout, laser scanners, digital scales, and electronic transactions. And during your …

Why You Should Be Interested in Technology Roadmaps for Compound Semiconductors

October 21, 2001

Author(s)

Herbert S. Bennett

… computer simulations, high performance analog-to-digital converters and RF power devices are three areas from …

Time Synchronized Measurements in Cluster Computing Systems

August 1, 2000

Author(s)

Alan Mink, Robert J. Carpenter, M M. Courson

We describe hardware time synchronization instrumentation that we have developed which achieves time synchronization of better than one microsecond. The purpose of this instrumentation is for Quality of Service characterization of parallel and distributed

A Versatile Technique to Enable Sub-Milli-Kelvin Instrument Stability for Precise Radial Velocity Measurements: Tests with the Habitable-Zone Planet Finder

December 16, 2016

Author(s)

Ryan C. Terrien, Guomundur K. Stefansson, Fred Hearty, Paul Robertson, Suvrath Mahadevan, Tyler Anderson, Chad Bender, Matthew Nelson, Andrew Monson, Basil Blank, Samuel Halverson, Chuck Henderson, Lawrence Ramsey, Arpita Roy, Christian Schwab

Insufficient instrument thermo-mechanical stability is one of the fundamental roadblocks for achieving 10 cm s −1 Doppler radial velocity (RV) precision, the precision needed to detect Earth-twins orbiting Solar-type stars. Exquisite temperature and

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