TY JOUR TI Control of harmful gases content in air with the use a microwave communication channel KW microwave oscillations KW phase measurements KW phase progression KW dielectric permittivity KW homodyne conversion KW air composition KW meteorological characteristics JO Infocommunications and Radio Technologies AU Shirokov, I.. AU Evdokimov, P.. AU Shirokova, E.. PY 2020 IS 3 PB Federal State Educational Institution of Higher Education Sevastopol State University