The orthogonality of functions has been exploited in communications since its very beginning. Conscious and 1 extensive use was made of it by KOTEL NIKOV in the

Dyadic (Walsh) analysis emerged as a new research area in applied mathematics and engineering in early seventies within attempts to provide answers to demands f

Increasingly important in the field of communications, the study of time and band limiting is crucial for the modeling and analysis of multiband signals. This c