Publisher's Synopsis
Excerpt from Diffraction by a Semi-Infinite Screen With a Rounded End
Here R denotes the distance from the source Q to the point P. The constants in (l) have been chosen to correspond to a source of unit strength for which the exact field would be given by' � The field on a reflected ray can be constructed by a well known procedure, so we need not consider it further. Instead, we turn to the diffracted field ud(p) which is the sum.of the fields on all the diffracted rays through P. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
