| 摘要 |
A structure to eliminate non-fundamental space harmonics in helical traveling wave tube (10) is disclosed. A sever (35) of moderate attenuation is produced by way of a conductive surface on nonconductive rods (25) supporting a helical conductor (18) in a traveling wave tube (10). In addition, the radius (24) and pitch (22) of the helical conductor (18) are simultaneously varied over a short distance to improve the efficiency and performance of the tube (10).
|
