这种分析方法在数值求解时只需计算低价次的传递矩阵和行列式值，因而可在PC机上进行。

This analysis method with numerical calculating only requires calculation of lower-order transfer matrix, so that, it can be made with microcomputer such as IBM-PC.

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作者将矩阵分块法应用到高阶行列式的计算中，并给出了几个计算公式、算条件及方法和技巧。

We put block matrix method in the calculation of Higher-order determinant in this article and give some calculating formulas, methods of calculation, condition of calculation and skills.

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假设信号是近似正态分布的，就可以从相关矩阵的行列式计算出每个波段的条件信息量。

If signals are supposed to be normally distributed, then by computing determinants of correlation matrices, conditional information of each channel signal can be obtained.

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