说明：  《MATLAB6.x信号处理》，电子工具参考书。清华大学出版社，2002年5月第一版。此书只供学术交流和研究学习之用，请勿用作商业用途。如果你觉得此书对你用很大帮助，请到各地新华书店购买正版。
("MATLAB6.x signal processing", the electronic reference tools. Tsinghua University Press, May 2002 the first edition. This book is for academic exchanges and research learning, Do not used for commercial purposes. If you think that this book of great help to you, please throughout the Xinhua Bookstore to purchase genuine.)