这本书是在滤波器组方面有非常深入研究的P.P.Vaidyannathan的经典著作，对多采样率系统和滤波器组又非常详细的描述，非常经典，做多载波通信和滤波器组的同学不要错过了。-This book is written by P.P.Vaidyannathan who has a very in-depth study about filter banks, this book gives an　very detailed descr iption about multirate systems and filter banks .