Textbook in PDF format

This book helps in giving a qualitative feel for the properties of Fourier series and Fourier transforms by using the illustrative powers of computer graphics. It is useful for wide variety of students as it focuses on qualitative aspects and the flexibility with regard to program modification. Preface Introduction Sampling and Resolution Periodic Functions, Harmonics and Fourier Series Fourier Transforms The f f t Algorithm Proof of the d f t Inverse Relations Program Outlines Program User’s Notes Apple Pascal Version Program User’s Notes BBC Basic Version Index