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Displaying 901 - 925 of 2763

PSCR 2020_Mission Critical Voice QoE Measurement Methods

October 29, 2020
Author(s)
Silas T. Thompson
This presentation covers the latest update on PSCR’s measurement methods for Mission Critical Voice (MCV) Quality of Experience (QoE) Key Performance Indicators (KPI). The importance of Intelligibility and how it is used in the measurement strategy is

Guidelines for the Use of PIV Credentials in Facility Access

June 29, 2018
Author(s)
Hildegard Ferraiolo, Ketan L. Mehta, Nabil Ghadiali, Jason Mohler, Vincent Johnson, Steven Brady
This recommendation provides a technical guideline to use Personal Identity Verification (PIV) Cards in facility access; enabling federal agencies to operate as government-wide interoperable enterprises. These guidelines cover the risk-based strategy to

The Need for a Robust, Precise Time and Frequency Alternative to GNSS

November 1, 2012
Author(s)
Michael A. Lombardi, Mitch Narins, Per Enge, Ben Peterson, Sherman Lo, Yu-Hsuan Chen, Dennis Akos
… and Timing (APNT) program to research various alternative strategies. These strategies are necessary to ensure a safe, secure, and … frequency services to other user communities. Alternatives strategies to be explored include use of existing NAS …

Direct Lagrangian Forcing Methods Based on Moving Least Squares

May 15, 2020
Author(s)
Marcos Vanella, Elias Balaras
The application of computational fluid dynamics to complex engineering flow problems necessitates the adoption of numerical algorithms that are accurate, robust and efficient at the same time. These are usually conflicting requirements and there is still

Indoor Air Quality in Sustainable, Energy Efficient Buildings

August 15, 2010
Author(s)
Andrew K. Persily, Steven J. Emmerich
… sometimes viewed as incompatible, there are in fact many strategies than can achieve both ends. This paper discusses … in terms of the impacts of ventilation. A number of strategies that are currently being used or proposed to …
Displaying 901 - 925 of 2763
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