A new plasma spectroscopy analysis technique based on the generation of synthetic spectra by means of optimization processes is presented in this paper. The technique has been developed for its application in arc-welding quality assurance. The new approach has been checked through several experimental tests, yielding results in reasonably good agreement with the ones offered by the traditional spectroscopic analysis technique.
An automation of the Differentiated Absolute Contrast (DAC) method, called Interpolated Differentiated Absolute Contrast Algorithm (IDAC), is proposed for pulsed infrared thermography. Based on the previously known method, the new algorithm simplifies the analysis process of thermographic sequences resolving the decisions that the user should normally take when applying the DAC method. The algorithm has been successfully checked experimentally with results obtained using Plexiglas TM , graphite-epoxy and aluminium specimens.
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