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Spectrum Analysis Tools

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Spectrum contains tools to estimate Power Spectral Densities using methods based on Fourier transform, Parametric methods or eigenvalues analysis:

  • The Fourier methods are based upon correlogram, periodogram and Welch estimates. Standard tapering windows (Hann, Hamming, Blackman) and more exotic ones are available (DPSS, Taylor, …).

  • The parametric methods are based on Yule-Walker, BURG, MA and ARMA, covariance and modified covariance methods.

  • Non-parametric methods based on eigen analysis (e.g., MUSIC) and minimum variance analysis are also implemented.

  • Multitapering is also available

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