定义了对结构各模态解耦的相关系数；
The correlation coefficients of uncoupling modes are defined.
高清视频应用的丢包率与网络层丢包率的统计曲线模态正相关，但相关系数仅在0.83左右。
The statistic curve of HDV system packet loss rate positively correlates to the curve of network layer, but the correlation coefficient is only about 0.83.
在试验基础上作参数修改和模态重新分析，使固有频率的总相关系数达90%。
Due to the modification of the parameters and the reanalysis based on the results of test the general correlation coefficient for the natural frequencies is over 90%.
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