matlab实现FFT变换，与MATLAB自带的工具箱结果基本一致-matlab achieve FFT transform, and MATLAB toolbox that comes with basically the same as the results of

This book is a companion to the textbook “Filtering and System Identification, An Introduction” by Michel Verhaegen and Vincent Verdult. It describes and il-lustrates the use of Matlab programs for a number of algorithms presented in the textbook