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| Keywords | |
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wavelet threshold de-noising |
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potential field separation |
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wavelet bases |
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wavelet scales |
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gravity and magnetic data |
| Authors | |
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LI Hong-Yu |
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YANG Chang-Bao |
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WU Yan-Gang |
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HUAN Heng-Fei |
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GAO Tie |
| PubMed | |
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Article by Li, H. Y. |
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Article by Yang, C. B. |
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Article by Wu, Y. G. |
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Article by Huan, H. F. |
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Article by Gao, T. |
Application of wavelet transform for de-noising and potential field separation in gravity and magnetic data processing
LI Hong-Yu, YANG Chang-Bao, WU Yan-Gang, HUAN Heng-Fei, GAO Tie
1. College of Geo-exploration Science and Technology��Jilin University��Changchun 130061��China; 2. Shenyang Institute of Geology and Mineral ��esources��Shenyang 110034��China
According to the principle of wavelet transform��we study the applications and effects of wavelet threshold de-noising method and potential field separation method in real gravity data�� The experiments of the multi- ple rectangular models show that: selecting appropriate wavelet bases and wavelet parameters contribute to extract useful information in gravity anomaly and the following application of the measured gravity data�� The results of the measured Bouguer gravity data processing show that: the de-noising method based on wavelet transform and poten- tial field method can efficiently remove random noise��distinguish the local anomalies and regional anomalies and improve the accuracy of the data processing and interpretation��