SVD是气象中常用的一种统计方法，旨在最大程度地分离出两场的高相关区，一次了解成对变量场之间相关系数场的空间结构及各自对相关场的贡献。-SVD is the weather in a statistical method commonly used to maximize the high-isolated two related areas, an understanding of the correlation coefficient between pairs of variables field, spatial structure and their contribution to the relevant field.