Use and misuse of some Hurst parameter estimators applied to stationary and non-stationary financial time series
F Serinaldi - Physica A: Statistical Mechanics and its Applications, 2010 - Elsevier
The detection of long range dependence (LRD) is an important task in time series analysis.
LRD is often summarized by the well-known Hurst parameter (or exponent) H∈[0, 1], which …
LRD is often summarized by the well-known Hurst parameter (or exponent) H∈[0, 1], which …
Depths to the magnetic layer bottom in the South China Sea area and their tectonic implications
CF Li, X Shi, Z Zhou, J Li, J Geng… - Geophysical Journal …, 2010 - academic.oup.com
The depths to the magnetic layer bottom (Zb) in the South China Sea (SCS) area are
estimated by computing radially averaged amplitude spectra of total field magnetic …
estimated by computing radially averaged amplitude spectra of total field magnetic …
中国东部及邻近海域磁异常数据所揭示的深部构造
李春峰, 陈冰, 周祖翼 - 中国科学: D 辑, 2009 - cqvip.com
通过对中国东部及邻近海域磁异常数据的化极和上延处理, 全面分析了不同构造块体和区域深大
断裂的磁异常特征和空间展布, 并在此基础上, 通过计算化极后的磁异常数据的径向平均振幅谱 …
断裂的磁异常特征和空间展布, 并在此基础上, 通过计算化极后的磁异常数据的径向平均振幅谱 …
Characterization of pore structure of tight sandstone reservoirs based on fractal analysis of NMR echo data
B Wu, R Xie, X Wang, T Wang, W Yue - Journal of Natural Gas Science and …, 2020 - Elsevier
The evaluation of the pore structure of tight oil and gas reservoirs has great significance for
the characterization of the reservoir properties and the prediction of reservoir productivity …
the characterization of the reservoir properties and the prediction of reservoir productivity …
Prediction of fracture density using genetic algorithm support vector machine based on acoustic logging data
Existing methods of well-logging interpretation cannot be applied accurately for the
exploration and evaluation of carbonate reservoirs because of the fracture development …
exploration and evaluation of carbonate reservoirs because of the fracture development …
Deep crustal structures of eastern China and adjacent seas revealed by magnetic data
CF Li, B Chen, ZY Zhou - Science in China Series D: Earth Sciences, 2009 - Springer
Through reduction to the North Pole and upward continuation of the total field magnetic
anomalies, we analyze magnetic patterns and spatial distributions of different tectonic blocks …
anomalies, we analyze magnetic patterns and spatial distributions of different tectonic blocks …
Pore type identification in carbonate rocks using convolutional neural network based on acoustic logging data
Existing methods of well logging interpretation often contain uncertainties in the exploration
and evaluation of carbonate reservoirs due to the complex pore types. Based on the time …
and evaluation of carbonate reservoirs due to the complex pore types. Based on the time …
基于小波多尺度分析的奇性指数: 一种新地震属性
李春峰 - 地球物理学报, 2005 - cqvip.com
传统的地震解释主要是观测地震振幅及相位的变化, 但是地震振幅也会掩盖地下介质中真实的
地质情况. 在许多情况下, 重要的地质信息可能是通过与振幅特征无关的奇异性参数来传递的 …
地质情况. 在许多情况下, 重要的地质信息可能是通过与振幅特征无关的奇异性参数来传递的 …
Elastic and shear moduli of coal measure rocks derived from basic well logs using fractal statistics and radial basis functions
CÖ Karacan - International Journal of Rock Mechanics and Mining …, 2009 - Elsevier
Gamma ray, density, sonic and core logs obtained from two boreholes drilled over a
longwall panel in Southwestern (SW) Pennsylvania were analyzed for formation boundaries …
longwall panel in Southwestern (SW) Pennsylvania were analyzed for formation boundaries …
Numerical study of pore structure effects on acoustic logging data in the borehole environment
Existing methods of well-logging interpretation often contain errors in the exploration and
evaluation of carbonate reservoirs due to the complex pore structures. The differences in …
evaluation of carbonate reservoirs due to the complex pore structures. The differences in …