2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/113131The power of microwave generation in a nonrelativistic electron beam with virtual cathode formed in a static retarding electric field (low-voltage vircator system) has been studied experimentally and by means of numerical simulation within the framework of a one-dimensional theory. The limits of applicability of the one-dimensional theory have been experimentally determined.4 pages, 2 figuresPlasma Physicstext