The waveform of correlation peak was fitted using a curve fitting method, and then the peaks of correlation curve 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。
By using the statistic properties of the correlation coefficient, a curve correlation coefficient is calculated, and then the matching point is obtained through evaluating it's derivative function.
利用相关系数在真实匹配点附近的统计特性，通过对相关系数进行曲线拟合，根据其一阶导数确定最大相关系数所在的位置，快速得到亚像素匹配点。
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.
与太阳辐射曲线关联维数对比表明，太阳辐射控制了气候变化的基本格局，在此基础上叠加了区域性特征。
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