自相关法求取时间序列延时的函数，包括Simulink产生时间序列的文件，两个主函数，以及运行程序-Since the correlation function to obtain time series of delay, including time series generated Simulink file, the two main functions, and operational procedures

该函数用来计算任意函数的一阶偏导数(数值方法),用平面波展开法计算二维声子晶体带隙,基于互功率谱的时延估计。- This function is used to calculate the arbitrary function of the first order partial derivative (numerical methods), Computation Method D phononic bandgap plane wave, Based on the time delay est

能量谱分析计算,完整的图像处理课设，包含所有源代码，汽车图像，包括广义互相关函数GCC时延估计。- Energy spectrum analysis and calculation, Complete class-based image processing, contains all of the source code, auto image, Including the generalized cross-correlation function GCC time delay estima