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Displaying 35651 - 35675 of 74141

Small Diameter Waveguide for Wideband Acoustic Emission

January 1, 2006
Author(s)
Marvin A. Hamstad
The signals obtained from two wideband conical sensors were compared in the time, frequency and the time/frequency domains. The signals were generated by pencil lead-breaks on the surface (out-of-plane) or close to the midplane of the edge (in-plane) of a

Source-Assisted Direction Estimation Inside Buildings

January 1, 2006
Author(s)
Kamran Sayrafian, D Kaspar
We have implemented a quantum key distribution (QKD) system with polarization encoding at 850 nm over 1 km of optical fiber. The high-speed management of the bit-stream, generation of random numbers and processing of the sifting algorithm are all handled

Specular Gloss

January 1, 2006
Author(s)
Maria E. Nadal, E A. Early, E A. Thompson

Specular gloss:

January 1, 2006
Author(s)
Maria E Nadal, Edward A Early, E Ambler Thompson

Spontaneously grown GaN and AlGaN nanowires

January 1, 2006
Author(s)
Kristine A. Bertness, Alexana Roshko, Norman A. Sanford, Joy Barker, Albert Davydov
We have identified crystal growth conditions in gas-source molecular beam epitaxy (MBE) that lead to spontaneous formation of GaN nanowires with high aspect ratio on Si (1 1 1) substrates. The nanowires were oriented along the GaN c-axis and normal to the

Status of the NIST 3D Imaging System Performance Evaluation Facility

January 1, 2006
Author(s)
Geraldine S. Cheok, Alan M. Lytle, Kamel S. Saidi
This paper will present the status of the indoor artifact-based Performance Evaluation Facility at the National Institute of Standards and Technology (NIST) for 3D imaging systems. This facility will be used to develop test protocols and performance
Displaying 35651 - 35675 of 74141
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