Keywords

#least-squares_spectral_analysis

Least-squares spectral analysis

Periodicity computation method

Least-squares spectral analysis (LSSA) is a method of estimating a frequency spectrum based on a least-squares fit of sinusoids to data samples, similar to Fourier analysis. Fourier analysis, the most used spectral method in science, generally boosts long-periodic noise in the long and gapped records; LSSA mitigates such problems. Unlike in Fourier analysis, data need not be equally spaced to use LSSA.

Thu 30th

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Least-squares spectral analysis Least squares Weighted least squares Spectral density estimation Non-negative least squares Total least squares Generalized least squares Linear least squares Partial least squares regression Regularized least squares
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