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Displaying records 691 to 700 of 736 records.
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691. Third-Round Report of the SHA-3 Cryptographic Hash Algorithm Competition
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7896
Topic: Electronics & Telecommunications
Published: 11/15/2012
Authors: Shu-jen H Chang, Ray A Perlner, William Edward Burr, Meltem Sonmez Turan, John M Kelsey, Souradyuti Paul, Lawrence E Bassham
Abstract: The National Institute of Standards and Technology (NIST) opened a public competition on November 2, 2007 to develop a new cryptographic hash algorithm - SHA-3, which will augment the hash algorithms specified in the Federal Information Processing St ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912724

692. Time Domain Waveforms of a Line-Focus Transducer Probing Anisotropic Solids
Topic: Electronics & Telecommunications
Published: 1/1/1997
Authors: Nelson N. Hsu, Gerald V. Blessing, D Xiang
Abstract: We have developed a large lensless line-focus wideband ultrasonic transducer which can be used to probe solid materials through water. With conventional ultrasonic equipment the transducer can perform time and polarization resolved surface and body w ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=820017

693. Time Evolution of Ion Energy Distributions and Optical Emission in Pulsed Inductively Coupled Radio Frequency Plasmas
Topic: Electronics & Telecommunications
Published: 10/1/2000
Authors: Martin Misakian, Eric C Benck, Yicheng Wang
Abstract: This article reports the results of time-resolved measurements of ion energy distributions (IEDs), relative ion densities, as well as optical emissions and electrical characteristics in pulsed, inductively coupled plasmas for the simple gas mixture o ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=28915

694. Time and Polarization Resolved Ultrasonic Testing of Materials
Topic: Electronics & Telecommunications
Published: 1/1/1996
Authors: Gerald V. Blessing, D Xiang, Nelson N. Hsu
Abstract: We have developed a transducer which allows the benefits of Line Focus Beam (LFB) acoustic microscopy to be realized over large areas, using a conventional pulser-receiver. Experimental evidence is presented to show that the transducer is correctly ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=820040

695. Time-Resolved Line Focus Acoustic Microscopy of Composites
Topic: Electronics & Telecommunications
Published: 6/1/1999
Author: Nelson N. Hsu
Abstract: Acoustic microscopy has been used to measure material properties since the 1980s. The velocity of the leaky surface wave can be accurately determined from the V(z) curve which is formed by the interference between the leaky surface wave and specular ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=821935

696. Time-Resolved Ultrasonic Body Wave Measurements of Material Anisotropy Using a Lensless Line-Focus Transducer
Topic: Electronics & Telecommunications
Published: 11/1/1998
Authors: Nelson N. Hsu, D Xiang, Gerald V. Blessing
Abstract: For plate-like sample geometries, a line-focus transducer can be used to detect back-reflected echoes through the thickness of the sample. The interaction of the convergent cylindrically focused probing wave with the material anisotropy produces mul ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=823262

697. Time-Resolved Ultrasonic Body Wave Measurements of Materials Anisotropy Using a Lensless Line-Focus Transducer
Topic: Electronics & Telecommunications
Published: 3/30/1999
Authors: Nelson N. Hsu, Gerald V. Blessing, D Xiang
Abstract: For plate-like sample geometries, a line-focus transducer can be used to detect back-reflected echoes through the thickness of the sample. The interaction of the convergent cylindrically focused probing wave with the material anisotropy produces mult ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=820063

698. Time-and-Polarization-Resolved Acoustic Microscopy of Surface and Subsurface Cracks
Topic: Electronics & Telecommunications
Published: 12/1/1999
Authors: D Xiang, Gerald V. Blessing, Nelson N. Hsu
Abstract: Time-and-polarization-resolved acoustic microscopy with an improved-spatial-resolution line-focus transducer of simply reduced active element width is applied to characterize surface and subsurface cracks. From acoustic images obtained from scanning ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=821932

699. Time-resolved Balmer-alpha Emission from Fast Hydrogen Atoms in Low Pressure, Radio-Frequency Discharges in Hydrogen
Topic: Electronics & Telecommunications
Published: 5/1/1995
Authors: S. B. Radovanov, Krzysztof Dzierzega, J R Roberts, James K Olthoff
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=2388

700. Time-resolved Measurements of Ion Energy Distributions and Optical Emissions in Pulsed Radio-Frequency Discharges
Topic: Electronics & Telecommunications
Published: 3/1/2000
Authors: Yicheng Wang, Eric C Benck, Martin Misakian, M. Edamura, James K Olthoff
Abstract: In pulse-modulated inductively coupled plasmas generated in CF^d4^:Ar mixtures, a transition between a capacitive coupling mode (E mode) and an inductive coupling mode (H mode) was observed. For a pulsed plasma in a 50%CF^d4^:50%Ar volume mixture wi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=9483



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