The waveform of correlation peak was fitted using a curve fitting method, and then the peaks of correlationcurve were located precisely.
利用曲线拟合方法对相关峰波形进行拟合,进一步确定相关曲线的峰值点位置。
2
By using the statistic properties of the correlation coefficient, a curvecorrelation coefficient is calculated, and then the matching point is obtained through evaluating it's derivative function.
Comparison with the correlation dimension of solar insolation curve, it shows that solar insolation change controls the basic pattern of climate changes, then superposes territorial characteristic.