فهرست مقالات Annular electron beam دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - Dispersion relation and growth rate in thermal plasma-loaded traveling wave tube with corrugated waveguide hollow electron beam Samina Dehghanizadeh Shahrooz Saviz 10.1007/s40094-015-0168-6