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Wavelet analysis for geophysical applications
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DOI：10.1029/97RG00427.png)
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摘要
En 中文
Wavelet transforms originated in geophysics in the early 1980s for the analysis of seismic signals. Since then, significant mathematical advances in wavelet theory have enabled a suite of applications in diverse fields. In geophysics the power of wavelets for analysis of nonstationary processes that contain multiscale features, detection of singularities, analysis of transient phenomena, fractal and multifractal processes, and signal compression is now being exploited for the study of several processes including space-time precipitation, remotely sensed hydrologic fluxes, atmospheric turbulence, canopy cover, land surface topography, seafloor bathymetry, and ocean wind waves. It is anticipated that in the near future, significant further advances in understanding and modeling geophysical processes will result from the use of wavelet analysis. In this paper we review the basic properties of wavelets that make them such an attractive and powerful tool for geophysical applications, We discuss continuous, discrete, orthogonal wavelets and wavelet packets and present applications to geophysical processes.
Keyword:
FRACTIONAL BROWNIAN-MOTION
2-SCALE DIFFERENCE-EQUATIONS
TURBULENT COHERENT MOTIONS
SPATIAL RAINFALL FIELDS
SIGNAL ANALYSIS
FOREST CANOPY
MULTICOMPONENT DECOMPOSITION
SAMPLING THEORY
TRANSFORMS
REPRESENTATION
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期刊
IF:
37.3
论文数:
633
被引数:
1.8W
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