NOAA Aeronomy Laboratory, Boulder, Colorado 80305, CIRES, University of Colorado, Boulder, Colorado 80309, and School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, ...
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Abstract: This letter presents the research progress of a pulsed G-band 50 W traveling wave tube (TWT) with pencil beam focused by periodic permanent magnet (PPM). Three approaches have been combined ...
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