TY JOUR TI The Research on Backward Wave Oscillator with Wide Tunable Bandwidth and High Power KW backward wave oscillator (BWO) KW terahertz KW slowing wave system KW sheet electron beam JO Infocommunications and Radio Technologies AU Xi, H.. AU Wang, P.. AU Bao, C.. AU Liu, Y.. PY 2022 IS 5 PB Federal State Educational Institution of Higher Education Sevastopol State University