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Dennis G. Camell, Robert T. Johnk, David R. Novotny, Chriss A. Grosvenor
This paper demonstrates the usefulness of time domain processing to determine free-space antenna factors,FSAF, for EMC antennas. Procedures are explained and...
Nathan R. Newbury, William C. Swann, Ian R. Coddington
Passively mode-locked fiber lasers produce a broad spectrum of light that is also highly phase-coherent. Such sources have clear potential for remote sensing...
Robert T. Johnk, Robert Scully, David R. Novotny, Chriss A. Grosvenor, Nino Canales, Dennis G. Camell, Galen H. Koepke
This paper summarizes a joint NIST-NASA measurement effort to evaluate the electromagnetic penetration of the shuttle Endeavour. NASA is concerned about the...
Yuqin Zong, Steven W. Brown, Keith R. Lykke, Yoshihiro Ohno
Measurement errors from stray light, spectral or spatial, are inevitable and are often the dominant source of error in spectroradiometers and imaging...
Nenad Ivezic, Boonserm Kulvatunyou, Marko Vujasinovic, Pat Snack, Zuran Marjanovic, Hyunbo Cho
We describe a novel semantics-based architecture for standards-based approaches to interoperable applications. The paper includes our experiences in prototyping...
Database-assisted design (DAD) is a methodology of designing structures for wind loads that makes direct use of pressure time series from wind tunnel tests...
Simulation and gaming can support decision making through all phases of incident management including prevention, preparedness, response, recovery and...
Yung-Tsun T. Lee, Swee K. Leong, Frank H. Riddick, Marcus Johansson, Bjoern J. Johansson
Interoperability between manufacturing software applications and simulation is currently extremely limited, and it has been recognized that there is a great...
Computer simulation is effective in improving the effi-ciency of manufacturing system design, operation, and maintenance. Most simulation models are usually...
Marcus Johansson, Swee K. Leong, Yung-Tsun T. Lee, Frank H. Riddick, Guodong Shao, Bjoern J. Johansson, Anders Skoogh, P Klingstam
This paper describes an effort of testing the Core Manufacturing Simulation Data (CMSD) information model as a neutral data interface for a discrete event...
Concurrent engineering depends on clear communication between all members of the development process. As that communication becomes more and more complex, the...
Sanjay Jain, Frank H. Riddick, Andreas Craens, Deogratias Kibira
The need for interoperability of information systems among supply chain partners has been recognized. A number of standards have been or are being developed to...
Ratio calibration for a digital voltmeter (DVM) is critical for some applications such as force measurement. The NIST DVM ratio service has provided ratio...
John V. Messina, Eric D. Simmon, Matthew L. Aronoff
In a global response to increasing health and environmental concerns, there has been a trend towards governments enacting legislation to encourage sustainable...
Carbon nanotubes have unique properties of interest for applications in aerospace, electronics, and biotechnology. However, the properties of different batches...
We report on a technique for extracting an accurate value of the nonlinear inductance DL(i) in superconducting transmission lines. The novelty of this technique...
Motivated by recent efforts to mitigate blast loading using energy-absorbing materials, this paper investigates the mechanics of uniaxial crushing of cellular...
Brian E. O'Neill, Timothy P. Quinn, Victor Frenkel, King C. Li
A biphasic model of soft tissue has been combined with a simple confined compression test to measure the hydraulic conductivity of soft tissues. The biphasic...
Arthur H. Fanney, Brian P. Dougherty, Mark W. Davis
Computer simulation models to accurately predict the electrical performance of photovoltaic modules are essential. Without such models, potential purchasers of...
Arthur H. Fanney, Brian P. Dougherty, Mark W. Davis
Computer simulation models to accurately predict the electrical performance of photovoltaic modules are essential. Without such models, potential purchasers of...
Leonard M. Hanssen, Sergey Mekhontsev, Simon G. Kaplan
Over the past decade and a half, the National Institute of Standards and Technology (NIST) has established measurement capabilities for the characterization of...
Till P. Rosenband, David Hume, Anders Brusch, Luca Lorini, P. O. Schmidt, Tara M. Fortier, Jason Stalnaker, Scott A. Diddams, Nathan R. Newbury, W Swann, Windell Oskay, Wayne M. Itano, David J. Wineland, James C. Bergquist
We compare the frequencies of two single ion frequency standards: 27Al + and 199Hg +. Systematic fractional frequency uncertainties of both standards are below...
John Mcferran, Ljerka Nenadovic, John B. Schlager, Nathan R. Newbury
We report on the development of a passively mode-locked Yb-Er co-doped fiber laser with a repetition frequency, frep, of 860 MHz. The laser, centered at 1.54 υm...
The idea of ``nugget pyramids'' has recently been introduced as a refinement to the nugget-based methodology employed to evaluate answers to complex questions...
Charles J. Burroughs, Alain Rufenacht, Samuel P. Benz, Paul D. Dresselhaus
We have measured stepwise-approximated sinewaves generated by a Programmable Josephson Voltage Standard with several different output configurations. These data...
In this paper we present measurements with a pulse-driven AC Josephson voltage standard (ACJVS) that uses a ternary arbitrary bitstream generator as the bias...
Madelaine H. Hernandez, Adwoa Akuffo, Colleen E. Hood, Jose M. Ortiz, Allen R. Hefner Jr.
New automated metric systems and procedures have been developed and introduced in order to evaluate the long stability of SiC PiN diodes, and long term...
Jose M. Ortiz, Tam H. Duong, Angel Rivera-Lopez, Allen R. Hefner Jr.
Simulated results for techniques used to validate the on-state, resistive load switching, inductive load switching, and high voltage depletion capacitance...
Jeong Buhwan, Hyunbo Cho, Boonserm Kulvatunyou, Albert W. Jones
With its prevalence in enterprise applications integration, the service-oriented approach has been studied in various ways. The popularity, however, results in...