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spectral analysis
Scope Notes: As of 2009, may be used with seismology or with geophysical methods. For mathematical techniques used for detection of cyclic signals in data, see Fourier analysis or frequency domain analysis. For spectroscopic studies of chemical samples, use spectra or spectroscopy. For remote sensing, also see multispectral scanner or hyperspectral analysis. From 1981-2008, spectral analysis was used with seismology and seismic methods. Before 1981, it included use with all geophysical methods including remote sensing.
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