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瞬变电磁(TEM)是一项发展中的应用地球物理技术.通过对TEM数据密集采样以及小波分析(解)处理,为TEM提高探测分辨率和提升探测深度提供了理论基础;采用小波多尺度分解和小波基的自适应选择,实现了非平稳TEM密集采样信号的小波分析处理.文章还对早期道和晚期道数据处理进行了探讨,从方法上提升了数据处理的应用质量.工程实践表明,TEM密集采样及小波分析处理技术具有较为广泛的工程实用价值和技术推广价值.
Transient electromagnetic (TEM) is a developing applied geophysical technology, which provides a theoretical basis for TEM to improve the detection resolution and enhance the detection depth by intensively sampling the TEM data and performing wavelet analysis (solution) processing. The wavelet multi-scale Decomposition and adaptive selection of wavelet basis to realize the wavelet analysis and processing of non-stationary TEM densely sampled signal.The article also discussed the data processing of early and late road, and improved the application quality of data processing from the engineering practice. , TEM dense sampling and wavelet analysis and processing technology has a wide range of practical engineering value and technology promotion value.