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Displaying 42451 - 42475 of 74189

Practical Aspects of Acoustic Emission Source Location by a Wavelet Transform

January 1, 2003
Author(s)
Marvin A. Hamstad, K S. Downs, Agnes O'Gallagher
An algoithmic approach to improve the accuracy of AE source location was demonstrated by using a large database of wideband-acoustic-emission-(AE)-modeled signals and wavelet transform (WT) results. The AE-signal database was created by a three-dimentional

Probe-Force Calibration Experiments Using the NIST Electrostatic Force Balance

January 1, 2003
Author(s)
Jon R. Pratt, David B. Newell, John A. Kramar, J Mulholland, Eric P. Whitenton
The sensitivity of a piezoresistive cantilever force sensor has been determined by probing the weighing pan of the NIST prototype electrostatic force balance. In this experiment, micronewton contact forces between a force probe and the balance''s weighing
Displaying 42451 - 42475 of 74189
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