Jane Hodgson Dennis."January 15, 1961." "This report is identical with a thesis submitted to the Department of Electrical Engineering, M.I.T., in partial fulfillment of the requirements for the degree of Doctor of Philosophy."Bibliography: p. 52.Army Signal Corps Contract No. DA36-039-sc-78108. Dept. of the Army Task 3-99-20-001 and Project 3-99-00-000.