The Application of Wavelet Transform in Meteorological Study within Plant Canopy

Résumé fourni par la source

Wavelet transform is a new branch of applied mathematics developed since 1980s, and has been used as a new method for spectral analysis. In this paper, the mathematical background and the application in microclimatic flied of wavelet analysis methods is reviewed, and then continuous Morlet wavelet transform is used to analyze the periodic components of temperature, wind speed and humidity measured by microclimatic methods at Yucheng (36°57′N, 116°36′E, 28m above sea level), located in the North China Plain, August of 1999 when maize was at he grain-filling stage. Continuous wavelet analysis provides a concise and compact information of periodic components of the measurements in the scale-time domain.

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