A Method of Estimating Space-Time Spectra from Polar-Orbiting Satellite Data
Open Access
- 1 June 1980
- journal article
- Published by American Meteorological Society in Journal of the Atmospheric Sciences
- Vol. 37 (6) , 1385-1392
- https://doi.org/10.1175/1520-0469(1980)037<1385:amoest>2.0.co;2
Abstract
Space-time spectral formulas are modified to estimate wavenumber-frequency spectra correctly from space-time series data sampled at the same local time but at different hours of a day by a polar-orbiting satellite. It is shown that a significant error occurs in the wavenumber-frequency spectra of the space-time series for wave periods less than 10 days. This error can be eliminated without time interpolation by taking a space-Fourier transform with respect to the frequency-shifted wavenumbers measured at the same local time.Keywords
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