【摘要】 利用二维离散小波变换的àtrous算法对地震数据做处理,在处理过程中,通过引入噪声模型,并利用显著性统计假设检验,得出有用信息(地震序列中的异常现象)的多分辨支撑图.利用这一工具,可对华北地区不同尺度下的震中空间分布特征进行提取,并为该区活动构造的识别提供依据.更多还原

【Abstract】 Earthquake data recurring to the two-dimensional à trous WT algorithm was analysed. In this process, by inducting noise model in the wavelet space and using significant statistic hypothesis test, the multi-resolution support of the useful information interested, that is the abnormal phenomena of the earthquake sequence was obtainned. Using these tools, we can extract the epicentral spatial distributed characters in north China at variant scale levels, and supply evidences for identifying the law of distribution of moving conformation.更多还原