TY JOUR TI Band-Pass Filter on Cylindrical Waveguide Structures with Complex Metal Ridges KW round waveguide KW radial comb KW single diaphragm KW annular segment JO Infocommunications and Radio Technologies AU Lonkina, D.V. AU Zemlyakov, V.V. AU Gubsky, D.S. AU Krutiev, S.V. PY 2022 IS 5 PB Federal State Educational Institution of Higher Education Sevastopol State University