Sanders, S. J. and Stern, R. A. and Bellan, P. M. (1998) Real-time phase-selective data acquisition system for measurement of wave phenomena in pulsed plasma discharges. Review of Scientific Instruments, 69 (5). pp. 2027-2031. ISSN 0034-6748. doi:10.1063/1.1148893. https://resolver.caltech.edu/CaltechAUTHORS:SANrsi98
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Abstract
A novel data acquisition system and methodology have been developed for the study of wave phenomena in pulsed plasma discharges. The method effectively reduces experimental uncertainty due to shot-to-shot fluctuations in high repetition rate experiments. Real-time analysis of each wave form allows classification of discharges by wave amplitude, phase, or other features. Measurements can then be constructed from subsets of discharges having similar wave properties. The method clarifies the trade-offs between experimental uncertainty reduction and increased demand for data storage capacity and acquisition time. Finally, this data acquisition system is simple to implement and requires relatively little equipment: only a wave form digitizer and a moderately fast computer.
Item Type: | Article | ||||||
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Additional Information: | © 1998 American Institute of Physics. (Received 11 August 1997; accepted 15 January 1998) The authors thank Frank Cosso for construction of the time-delay generator and other technical assistance. This work was supported by NSF Grant No. PHY-9413046. | ||||||
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Subject Keywords: | plasma diagnostics; data acquisition; physics computing; plasma fluctuations; discharges (electric); wave propagation; jitter; real-time systems | ||||||
Issue or Number: | 5 | ||||||
DOI: | 10.1063/1.1148893 | ||||||
Record Number: | CaltechAUTHORS:SANrsi98 | ||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:SANrsi98 | ||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
ID Code: | 6947 | ||||||
Collection: | CaltechAUTHORS | ||||||
Deposited By: | Archive Administrator | ||||||
Deposited On: | 03 Jan 2007 | ||||||
Last Modified: | 08 Nov 2021 20:38 |
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