45 results about "Relativistic magnetron" patented technology

The application relates to a coaxial relativistic magnetron outputting TEM modes, belonging to the technical field of high-power microwaves, which comprises an anode, a cathode and a magnet, the anode comprises an inner cavity cylinder and an outer cavity cylinder which are coaxially nested, long anode blocks and short anode blocks are alternately arranged on the inner wall of the inner cavity cylinder in the angular direction, the long anode blocks and the short anode blocks are alternately distributed in the axial direction of the inner cavity cylinder to form symmetrical sector edge cavities inside the inner cavity cylinder, an edge cavity angular coupling slot is arranged on the inner cavity cylinder and corresponds to the sector edge cavities, and an inner cavity axial coupling slot is arranged on the inner cavity cylinder and located between the long anode blocks and the short anode blocks, the application has the advantages of simple and compact structure, suitable permanent magnet packaging and low-order mode output, and can realize high-power and high-efficiency microwave output.

The invention relates to a coaxial relativistic magnetron for outputting a TEM mode, and belongs to the technical field of high-power microwaves, the coaxial relativistic magnetron comprises an anode, a cathode and a magnet, the anode comprises an inner cavity cylinder and an outer cavity cylinder which are coaxially nested, and long anode blocks and short anode blocks are alternately arranged on the inner wall of the inner cavity cylinder in the angular direction; the long anode blocks and the short anode blocks are alternately distributed in the axial direction of the inner cavity cylinder in a long-short mode so that symmetrical fan-shaped side cavities can be formed in the inner cavity cylinder, side cavity angular coupling seams are formed in the positions, corresponding to the fan-shaped side cavities, of the inner cavity cylinder, and inner cavity axial coupling seams are formed in the positions, located between the long anode blocks and the short anode blocks, of the inner cavity cylinder. The invention has the advantages of simple and compact structure, suitability for permanent magnet packaging and low-order mode output and the like, and can realize high-power and high-efficiency microwave output.

The application discloses a relativistic magnetron with an energy feedback structure and belongs to the microwave technical field.The relativistic magnetron is a full-cavity extraction structure and comprises an anode, a cathode, an energy extraction structure and a guide magnetic field coil; wherein the energy extraction structure is provided with a ring-shaped microwave reflection plate in an output circular waveguide part, part of energy is reflected back to a cathode-anode gap, the interaction between an electron cloud and a space electromagnetic wave is enhanced, and the output power of the relativistic magnetron is improved. The application effectively improves the output power of the relativistic magnetron while guaranteeing the compactness of the device; meanwhile, the energy feedback structure is simple and easy to process.