http://www.amazon.com/Digital-Fi ... brary/dp/1580537596Editorial ReviewsProduct Description Takeadvantage of the widest possible range of filtering techniques andstill keep design time to a minimum with this book and CD-ROM toolkit.Complementing the book, this highly valuable disc contains an archiveof filter coefficients and design functions written in Matlab. About the Author Jolyon M. De Freitas is asenior scientist at QinetiQ, Winfrith, UK. He earned his M.S. inmedical physics and his Ph.D. in optical metrology from AberdeenUniversity. Product Details