Title :
Instantaneous parameters extraction via wavelet transform
Author :
Gao, Jinghuai ; Dong, Xiaolong ; Wang, Wen-Bing ; Li, Youming ; Pan, Cunhuan
Author_Institution :
Inst. of Geophys., Acad. Sinica, Beijing, China
fDate :
3/1/1999 12:00:00 AM
Abstract :
A novel theorem on the wavelet transform and Hilbert transform (HT) is proposed and applied to extract the instantaneous parameters of energy-limited, real signals. Numerical simulations shows advantages of the presented method in both precision and antinoise performance
Keywords :
Hilbert transforms; geophysical signal processing; geophysical techniques; seismology; wavelet transforms; Hilbert transform; antinoise performance; energy limited real signals; geophysical measurement technique; instantaneous parameters extraction; numerical simulation; precision; seismic signal processing; seismology; theorem; wavelet transform; Fourier transforms; Geophysics; Image analysis; Numerical simulation; Parameter extraction; Performance analysis; Q factor; Signal analysis; Wavelet analysis; Wavelet transforms;
Journal_Title :
Geoscience and Remote Sensing, IEEE Transactions on