up+to+the+present+time
131The Corrs — do their trademark bow at the end of Geneva concert From (L R): Sharon, Caroline, Andrea and Jim. Background information Origin Dundalk …
132Time-frequency analysis — is a body of techniques for characterizing and manipulating signals whose component frequencies vary in time, such as transient signals.Whereas the technique of the Fourier transform can be used to obtain the frequency spectrum of a signal whose… …
