热水沉积过程混沌序列弱信号的提取

基金项目:

国家自然科学基金资助项目 49972092

EXTRACTION OF WEAK SIGNAL OF CHAOTIC SERIES ON HYDROTHERMAL SEDIMENTATION

Institute of Mathematical Geology and Remote Sensing Geology, China University of Geosciences, Wuhan 430074, China

摘要: 运用地层垒积序列的概念和Logistic混沌序列叠加过程分解模型, 对岩比参数序列中的弱信号进行提取, 进一步研究热水沉积作用强度演化的定量特征, 为对热水沉积盆地古地理环境进行三维动态模拟奠定了基础.
- Logistic混沌序列 /
- 叠加过程 /
- 多变量时间序列 /
- 弱信号 /
- 热水沉积
Abstract: The concept of stratigraphic pile-up sequences and decomposition model of overlapping process of Logistic chaotic series are applied to extract the weak signal for the sequence of lithologic ratio parameters, which has established the basis for dynamic modeling of three dimensions in the paleogeographic environment of hydrothermal sedimentary basin.
- Logistic chaotic series /
- overlapping process /
- multiple-variable time series /
- weak signal /
- hydrothermal sedimentation

图 1 ZK74-42孔热水沉积中的Logistic序列

Fig. 1. Logistic series in hydrothermal sedimentation in the borehole ZK74-42

下载: 全尺寸图片幻灯片

表 1 热水沉积过程Logistic序列特征

Table 1. Parameters of Logisitic series in hydrothermal sedimentation

[1]	金友渔. 热水沉积岩比参数动态演化模拟[J]. 地球科学——中国地质大学学报, 1995, 20(2): 179-184. https://www.cnki.com.cn/Article/CJFDTOTAL-DQKX502.011.htm
[2]	Schweizer S M. TLS parameter estimation for filtering chaotic time series [A]. Proc ICASSP′96[C]. [s. l. ]: [s. n. ], 1996.1609-1612.
[3]	Drake D F. Minimum mean square error estimation for a class of chaotic systems [A ]. Proc ICASSP′96 [C]. [s. l. ]: [s. n. ], 1996.2960-2963.
[4]	Papadopoulos H C, Womell G W. Maximum-likelihood estimation of a class of chaotic signals[J]. IEEE Trans Information Theory, 1995, 41(1): 312-317.
[5]	Schreiber T, Kantz H. Noise in chaotic data: diagnosis and treatment[J]. Chaos, 1995, (1): 133-142.
[6]	Jin Y Y. The ALCAR model and decomposition of overlapping process [A]. 3rd International Conferenceon Signal Processing[C]. New York: Publishing House Electronics Industry, 1996.40-43.
[7]	楼顺天, 李博菡. 基于Matlab的系统分析与设计——信号处理[M]. 西安: 电子科技大学出版社, 1998.36-236.