Cross-Wavelet Analysis on Radiation Emitted by the plume of a small-size Solid Rocket Motor

Abstract This work follow a previous activity that developed non-intrusive measurements technique for particles velocity ejected from solid rocket motor based on wavelet analysis. The aim was to detect the passage and calculate axial through an auto-conditioned cross-correlation algorithm. In this study, processing techniques are applied innovative methodology cross-wavelet analysis is presented. objective impulsive events associated crossing field of view acquisition system. Starting two synthetic signals characterized by Gaussian peak, each one located at different time instants, identify increase energy all correlation producing structure in scale comparable delay between peaks. On experimental database continuous transform local intermittency measurement performed localize high with randomic occurrence series allumina particles. Cross-wavelet present several structures localized highlighted LIM maps. Results very promising could be interesting bases deeper wavelet, cross-wavelet.