Spectral information from gapped data. A comparison of technique

Details Spectral information from gapped data. A comparison of technique Spectral information from gapped data. A comparison of technique

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984sses.nasa..293k&link_type=abstract

In JPL Solar Seismology from Space. p 293-303 (SEE N85-25060 14-92)

Computer Science

Numerical Analysis

1

Fast Fourier Transformations, Power Spectra, Synthetic Apertures, Time Series Analysis, Astronomical Models, Comparison, Helioseismology, Numerical Analysis

Scientific paper

The fast Fourier transformations (FFT) is used to estimate power spectra of continuous signals evenly sampled on discrete domains. The problem of finding power spectra on unevenly sampled domains, in particular a regularly spaced domain with gaps is discussed. The analysis of the ACRIM solar bolometric intensity data, obtained with a 3/5 on and 2/5 off duty cycle of approximately 100 minutes, would benefit from the techniques. The comparative effectiveness of three different analysis techniques applied to synthetic data generated on gapped domain is reported.

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