Wavenumber Correlation Analysis of Satellite Geopotential Anomalies
- Wavenumber Correlation Analysis of Satellite Geopotential Anomalies
- 외부인1; 외부인2; 김원균
- Indentifying anomaly correlations between data sets is the basis for rationalizig geopotential interpretation and theory. A procedure is presented that constitutes an effective process for identifying correlative features between the two or more geopotential data sets. Anomaly features that show direct, inverse, or no correlations between the data may be separated by applying filters in the frequency domains of the data sets. The correlation filter passes or rejects wavenumbers between co-registered data sets based on the correlation coefficient between common wavenumbers as given by the cosine of their phase difference. This study includes an example of Magsat magnetic anomaly profile that illustrates the usefulness of the procedure for extracting correlative features between the data sets.
- 자원환경지질, v.33, no.2, pp.111 - 116, 2000
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