黑河日径流量混沌变化特性的研究—Ⅱ相空间嵌入维数的确定

Study on Characteristics of Daily Runoff Variation in the Heihe,2,dertermination of embedding dimension for reconstruction of a phase space

通过对黑河日径流量变化规律的探索,重点论述相空间嵌入维数的确定方法。计算结果表明:黑河日径流量时间序列的关联维数为2.1,是低维分数;另外,采用饱和关联积分法,得到黑河日径流量序列的嵌入维数为9。

Based on exploration of the Heihe runoff changes,the paper focuses on the phase space method for determining the embedding dimension.The results show that the time series of daily runoff of the Heihe correlation dimension of 2.1,is a low-dimensional points.In addition,using saturated correlation integral method,sequence of daily runoff of Heihe has the embedding dimension of 9.