二阶系统的最小二乘一次完成算法辨识程序,图形的横坐标是采样时刻(Second order system is a complete algorithm of least squares identification procedures, graphic abscissa is sampling time)

抽样定理的实验体会,快速Fourier变换(FFT)及其应用等等的作业源码(Sampling theorem of the experimental experience, fast Fourier transform (FFT) and its application source code, and so on homework)