Wavelet approach to the determination of gravity tide parameters |
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| Authors: | LIU Lintao XU Houze SUN Heping HAO Xinghua |
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| Abstract: | A new approach is proposed for the determination of gravity tide parameters.Three pairs of compactly supported wavelet filters are introduced in the approach.They can efficiently extract the objective tides from the gravity observation series.The new approach guarantees a direct and precise analysis on the tidal gravity records of any sampling length.The new approach is applied to the harmonic analysis on Wuhan superconducting gravimeter records.The results clearly show the resonant effects of the Earth Nearly Diurnal Free Wobble (NDFW). |
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| Keywords: | gravity wavelet filter tide parameters superconducting gravimeter |
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