Digital analysis of the non-linear ultrawideband processes

The continuous wavelet transform, the analytical wavelet transform, the digital wavelet transform and the Wigner transform are proposed to apply for the digital analysis of the non-linear ultrawideband processes. The advantages and the disadvantages of each transform being significant during that application are discussed. As the convincing example, the results of the analysis of the Earth\´s magnetic field disturbances caused by the rocket "proton" launch taken place 12 February 2000 at cosmodrome Baikonur (Kazakhstan) are considered.