中文说明：用谱方法计算流体力学一些流动现象的整体稳定性,欢迎大家下载学习，二维声子晶体FDTD方法计算禁带宽度的例子,包括最小二乘法、SVM、神经网络、1_k近邻法,均值便宜跟踪的示例，结合PCA的尺度不变特征变换(SIFT)算法。
English Description：
The overall stability of using spectral methods for computational fluid dynamics (CFD) some of the flow phenomena, welcome to download the study, two-dimensional phononic crystal FDTD method to calculate band gap width of the examples, including the least squares method, SVM, neural network, 1 K nearest neighbor method, mean cheaper track sample, combined with PCA scale invariant feature transform (SIFT) algorithm.