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  • 梁士楚.广西沿岸月平均海平面变化的分形特征[J].广西科学,2001,8(2):114-117.    [点击复制]
  • Liang Shichu.Fractal Characteristics of Mean Monthly Sea Level Change Along the Coast of Guangxi[J].Guangxi Sciences,2001,8(2):114-117.   [点击复制]
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广西沿岸月平均海平面变化的分形特征
梁士楚
0
(广西海洋研究所, 北海市长青东路92号 536007)
摘要:
采用分数布朗运动R/S分析和信息维数公式,分析广西沿岸月平均海平面时间序列的分形特征。结果表明,月平均海平面的动态过程具有持久性,其H指数介于0.54~0.86,计盒维数DB介于1.14~1.46,信息维数DI介于0.86~0.90。
关键词:  月平均海平面  分数布朗运动  R/S分析  分形维数
DOI:
投稿时间:2001-03-06修订日期:2001-04-26
基金项目:广西自然科学基金项目(桂科自字982407)资助。
Fractal Characteristics of Mean Monthly Sea Level Change Along the Coast of Guangxi
Liang Shichu
(Guangxi Institute of Oceanology, 92 East Changqinglu, Beihai, 536007, China)
Abstract:
By using the method of R/S analysis of fractional Brownian motion and the formula of information dimension, the fractal characteristics of time series of mean monthly sea level along the coast of Guangxi is analyzed. The dynamic process of the mean monthly sea level has the characteristics of persistence. Hurst indexes range from 0.54 to 0.86, box dimensions, DB, from 1.14 to 1.46, and information dimensions,DI, from 0.86 to 0.90.
Key words:  mean monthly sea level  fractional Brownian motion  R/S analysis  fractal dimension

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