The book explains the classification of a set of Walsh functions into distinct self-similar groups and subgroups, where the members of each subgroup possess dis

This book explores the possibility of using azimuthal Walsh filters as an effective tool for manipulating far-field diffraction characteristics near the focal p

Includes a directory of members in one issue each year.

Scientists and engineers have long relied on the power of imaging techniques to help see objects invisible to the naked eye, and thus, to advance scientific kno