This paper presents a match method for letter images based on the coherence theory and properties which the maximum correlative values of the ring-data, however to rotate, are constant.

本文提出了以相关理论为基础，以图象中圆环参数自相关函数的最大值及互相关函数的最大值旋转不变为特征的图象匹配方法。

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In the method, we store the geometric centers and the values of the ring-data other than storing all information used in traditional method. Many difficulties to press data have been overcome.

该方法用存贮图象的几何中心位置和相应的圆环参数值代替了传统的图象匹配法中需要存贮图象全部信息的方式，克服了数据压缩所带来的诸多麻烦。

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Since you are overwriting the previous contents in a ring buffer, you lose data by doing so.

因为您覆盖了循环缓冲区中以前的内容，所以在完成该操作后，您将丢失以前的数据。

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In North America, Laki has been blamed for the starvation of Inuit populations from severe cold in northwestern Alaska, based on Inuit oral history as well as tree-ring density data investigated by Gordon Jacoby and others, who estimated that conditions were about 4 degrees Celsius colder than the mean.

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