found: Theoretical comparison of fluctuation noise characteristics for various modulation methods with special view to multi-channel system planning, 1957?:t.p. (Nicolay Heinrich Knudtzon; proefschift ... Technische Hogeschool te Delft) cover (Nic Knudtzon) vitae (b. Mar. 10, 1922 in Oslo [Oslo, known as Kristiania 1877-1925] Norway; awarded deg. of "sivilingeniør," 1947, Norwegian Tech. Univ. ; joined the Radar Div. of the Norwegian Defense Res. Establishment (FFI), 1947 and was granted a scholarship for post-grad. studies at Mass. Inst. of Tech.; since 1955, in charge of the Communications Dept. at the SHAPE Air Defense Tech. Ctr. in The Hague)