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NIST Pubs

Recommendation for Digital Signature Timeliness

Author(s)
Elaine B. Barker
Establishing the time when a digital signature was generated is often a critical consideration. A signed message that includes the (purported) signing time...

Toward a standard on the wind tunnel method

Author(s)
Emil Simiu
This document is intended to provide practicing engineers and building code officials with a technical resource that (i) describes current practices for the...

Time and Frequency Users Manual

Author(s)
Michael A. Lombardi
This book is for the person who needs information about making time and frequency measurements. It is written at a level that will satisfy those with a casual...

Uncertainty calculation for spectral-responsivity measurements

Author(s)
John H. Lehman, Chih-Ming Wang, Marla L. Dowell, Joshua A. Hadler
This paper discusses a procedure for measuring the absolute spectral responsivity of optical-fiber power meters and computation of the calibration uncertainty...

Outdoor-to-Indoor Channel Measurements and Models

Author(s)
Catherine A. Remley, Christopher L. Holloway, David W. Matolak
This document reports on wireless channel measurements and models for outdoor to indoor propagation environments. Although there have been a number of...

FIRE FACTS

Author(s)
James R. Lawson
Fire Facts gives the reader an ordered series of temperature and heat flux values that may be associated to fire growth conditions and relates these exposure...

The ABCs oF Standards Activities

Author(s)
Maureen A. Breitenberg
This report is an introduction to standardization and the U.S. standards system for readers that are not familiar with this topic. It highlights some of the...

Assessing Face Overlay

Author(s)
Mary F. Theofanos, Brian C. Stanton, Charles L. Sheppard, Ross J. Micheals, Yee-Yin Choong, John W. Wydler II, Kevin C. Mangold, Michelle P. Steves, Emile L. Morse
The United States Visitor and Immigrant Status Indicator Technology's (US-VISIT) has embarked on an effort to improve the quality of facial images captured at...
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