您的位置:首页 > 论文页面
探测气温时间序列的复杂性特征分析方法
发表时间:2009-07-15 浏览量:1969 下载量:805
全部作者: | 许娜,商朋见,袁广才 |
作者单位: | 北京交通大学理学院;北京交通大学光电子技术研究所 |
摘 要: | 首先给出离散时间序列多重分形消除趋势涨落的分析(multifractal detrended fluctuation analysis, MF-DFA)方法,并用它们研究了气温时间序列。通过分析发现:气温时间序列具有多重分形性的复杂特征。最后,用MF-DFA方法对北京市气温序列附加正弦函数趋势、幂函数趋势、指数函数趋势和对数函数趋势进行研究,发现附加趋势后多重分形性由强到弱依次是:幂函数、正弦函数、对数和指数趋势。 |
关 键 词: | 动力系统;多重分形消除趋势涨落分析;多重分形谱;气温序列;附加趋势 |
Title: | Detection on the complexity characteristic analysis�methods of temperature time series |
Author: | XU Na, SHANG Pengjian, YUAN Guangcai |
Organization: | School of Sciences, Beijing Jiaotong University;Institute of Optoelectronics Technology, Beijing Jiaotong University |
Abstract: | This paper introduces the multifractal detrended fluctuation analysis (MF-DFA) methods of discrete time series and uses them to study the temperature time series. It is demonstrated that the temperature time series has a complexity of multifractal behavior. Finally, the MF-DFA method is used in Beijing’s temperature time series with four-types of trends: sinusoidal, power-law, exponential and logarithm trends. Additional trends of multifractal from strong to weak are: the power-law, sinusoidal, logarithm and exponential trends.� |
Key words: | dynamical system; multifractal detrended fluctuation analysis; multifractal spectrum; temperature time series; superposition trends |
发表期数: | 2009年7月第13期 |
引用格式: | 许娜,商朋见,袁广才. 探测气温时间序列的复杂性特征分析方法[J]. 中国科技论文在线精品论文,2009,2(13):1350-1355. |

请您登录
暂无评论