Fourier transform and signal processing

Gaea is not only suitable for general purpose programming, but also for more specialised tasks such as discrete Fourier transform and its inverse, and fast Fourier transform and its inverse, working on both real and complex-valued numbers. Moreover, general functions are available for the filtering of time series, calculation of the transfer function for a filter, as well as functions for fitting autoregressive (AR) models to data. Finally, it is available to generate white nose with different distributions, and simulate a stationary process using frequency domain techniques.

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