用谱方法计算流体力学一些流动现象的整体稳定性,Gabor小波变换与PCA的人脸识别代码，随机调制信号下的模拟ppm。- Spectral methods of computational fluid dynamics flow of some of the overall stability of the phenomenon, Gabor wavelet transform and PCA face recognition code, Random ppm modulated analog signal unde.