相关分析主要是计算相关系数，模糊识别主要是计算监测点波形的模糊隶属度。
Correlation analysis is to calculate the correlation coefficient mainly, and vague identification is to calculate the vague subordinate degree of waveform at monitored point.
研究了异常点对相关系数的影响。
The influence of singular point on correlation coefficient is researched.
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。
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.
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