语音增强利用最小均方误差短时谱幅度估计，英文文献，很好的外文资料。,Speech enhancement using MMSE short time spectral amplitude estimation, English literature, foreign language, good information.

几篇分形的外文文献，来自IEEE，其中介绍分形在语音处理上的应用，有设计到分形维数轨迹的构造-Several fractal foreign literature, from the IEEE, which describes the fractal applications in speech processing, there are design to track the fractal dimension of the structure

关于后缀表达式的外文文献，可用作毕业设计外文翻译。-Suffix expression of foreign literature, foreign language translation can be used as a graduation project.

电力系统计算潮流的典型例子，可以借鉴使用，外文文献-A typical example of the trend of computing power system