Kerns H. Powers."February 1, 1956." "This report is indentical with a thesis submitted to the Department of Electrical Engineering, M.I.T., 1956, in partial fulfillment of the requirements for the degree of Doctor of Science."Bibliography: p. 104-105.Army Signal Corps Contract DA36-039-sc-42607 Project 102B Dept. of the Army Project 3-99-10-022