中文说明： 插值与拟合，解方程，数据分析，旋转机械二维全息谱计算，二维声子晶体FDTD方法计算禁带宽度的例子,窗函数法设计一个数字带通FIR滤波器，毕设内容，高光谱图像基本处理，数据模型归一化，模态振动。
English Description：
Interpolation and fitting, solving equations, data analysis, calculated two-dimensional holospectrum in rotating machinery, two-dimensional Photonic Crystal FDTD method for calculating band example of window function to design a digital bandpass FIR filters, set content, hyper-spectral image basic processing, normalized data models, modes of vibration.