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Determining railgun plasma current distribution using Jansson's method to deconvolve B-dot probe signals

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2 Author(s)
Evans, B.J. ; Center for Laser Appl., Tennessee Univ. Space Inst., Tullahoma, TN, USA ; Smith, L.M.

The authors present a method of determining the plasma armature current distribution from B-dot probe signals. This method utilizes the knowledge that the B-dot probe signal can be shown to be a convolution of the plasma armature current distribution with the impulse response function of the B-dot probe. Jansson's (1984) relaxation-based nonlinear deconvolution technique is developed for use with recorded B-dot probe data. Results obtained with this technique indicate that significant improvement in estimations can be obtained over previously used linear deconvolution methods

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Plasma Science, IEEE Transactions on  (Volume:20 ,  Issue: 4 )