Spectral Estimation

Spectral estimation is a branch of the signal processing, performed on data and based on frequency-domain techniques.
Within the LTPDA toolbox many functions of the Matlab Signal Processing Toolbox (which is required) were rewritten to operate on LTPDA Analysis Objects. Univariate and multivariate technique are available, so to estimate for example the linear power spectral density or the cross spectral density of one or more signals. The focus of the tools is on time-series objects, whose spectral content needs to be estimated.
More detailed help on spectral estimation can also be found in the help associated with the Signal Processing Toolbox:

>> doc signal

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