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Displaying 56601 - 56625 of 74229

Experiments at NIST with Trapped Ions: 3-D Zero-Point Cooling, Quantum Gates, Bragg Scattering, and Atomic Clocks

June 12, 1995
Author(s)
C Monroe, A S. Barton, James C. Bergquist, D J. Berkeland, John Bollinger, F C. Cruz, Wayne M. Itano, Steven R. Jefferts, Branislav M. Jelenkovic, B E. King, D M. Meekhof, J D. Miller, M E. Poitzsch, Joseph N. Tan
We have recently used stimulated-Raman transitions in the resolved sideband regime to cool single ions to the n = 0 zero-point energy. This has allowed realizations of the Jaynes-Cummings model interaction for atomic motion and a quantum controlled-NOT

A Neural Network Based Cell Controller for Automated Manufacturing Cells

June 1, 1995
Author(s)
Albert T. Jones, Yuehwern Yih, Ying Sun
In this paper, we describe an adaptive controller for automated manufacturing cells. The controller inputs desired performance targets and job characteristics and outputs tasks sequences for each piece of equipment in the cell. It contains an adjustment

Comparative Assembly Planning During Assembly Design

June 1, 1995
Author(s)
Gerard Kim
Traditionally, the problem of assembly planning concerns determining an order (linear or partial) of a product assembly with respect to geometric, physical, and resource constraints. Recent strides toward concurrent engineering have called for a need for

Computer Representations of Design Standards and Building Codes: U.S. Perspective.

June 1, 1995
Author(s)
Steven J. Fenves, K A. Reed, J H. Garrett, H Kiliccote, K H. Law
Standards representation and processing in the United States has had a long and interesting history of development. The work in the past has focussed primarily on representing a standard, evaluating the intrinsic properties of that represented standard

Development of Practical Wideband High-Fidelity Acoustic Emission Sensors

June 1, 1995
Author(s)
Marvin A. Hamstad
The development of a series of wideband acoustic emission (AE) sensor/preamplifier systems is described. Key design factors are discussed along with the actual design and characterization of the sensors. These new sensors with integral amplification are
Displaying 56601 - 56625 of 74229
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