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Axial cascade relativistic magnetron based on frequency locking and phase locking of ring rod coupling structure

A relativistic magnetron and coupling structure technology, applied in the microwave field, can solve the problems of insufficient coupling between two adjacent tubes, and achieve the effects of being beneficial to practical use, avoiding mode competition, and improving the flexibility of structural design

Active Publication Date: 2022-06-24
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] In order to overcome the deficiencies in the above-mentioned technologies, the present invention proposes an axially cascaded relativistic magnetron based on ring-rod coupling structure frequency-locked and phase-locked on the basis of the axially cascaded relativistic magnetron, by loading the ring rod Coupling structure, establishing strong electrical coupling and magnetic coupling between two adjacent high-frequency structures, which solves the problem of insufficient coupling between two adjacent tubes in traditional axial cascaded relativistic magnetrons

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  • Axial cascade relativistic magnetron based on frequency locking and phase locking of ring rod coupling structure
  • Axial cascade relativistic magnetron based on frequency locking and phase locking of ring rod coupling structure
  • Axial cascade relativistic magnetron based on frequency locking and phase locking of ring rod coupling structure

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[0042]In order to better illustrate the purpose, advantages and technical ideas of the present invention, the present invention will be further described below with reference to specific embodiments. It should be noted that the specific examples given below only serve to explain the present invention in detail, and do not limit the present invention.

[0043] Figure 1 to Figure 5 A schematic structural diagram of the ring-rod coupled cascaded relativistic magnetron of this embodiment, the cascaded relativistic magnetron includes two high-frequency systems of the same size, and the two high-frequency systems are axially cascaded through a coupling section.

[0044] The high-frequency structure in this embodiment is a sunburst-type hetero-cavity structure with 8 resonant cavities, including a cathode, an anode, and a coupling slot. The anode comprises a cylindrical anode casing, eight fan-shaped anode blades arranged in the anode casing and evenly distributed along the circumf...

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Abstract

The invention discloses an axial cascade relativistic magnetron based on frequency locking and phase locking of a ring rod coupling structure, and belongs to the technical field of microwaves. Comprising a plurality of high-frequency systems, every two adjacent high-frequency systems are in axial cascade connection through a coupling section, and each coupling section comprises a cylindrical shell, a cathode connecting rod, a plurality of coupling rods which are the same in size and are evenly distributed along the circumference and two coupling rings. The ring rod coupling structures are loaded between the adjacent high-frequency structures, the electromagnetic coupling strength between high-frequency electromagnetic fields in the adjacent high-frequency structures is adjusted, interference of the electromagnetic fields associated with the high-current effect of the relativistic magnetrons is overcome, and frequency locking and phase locking of the cascade relativistic magnetrons are achieved.

Description

technical field [0001] The invention belongs to the technical field of microwaves, and in particular relates to an axially cascaded relativistic magnetron based on a ring-rod coupling structure frequency-locking and phase-locking. Background technique [0002] From the perspective of practical high-power microwave systems, the development of high-power microwave systems is mainly focused on the following aspects: (1) miniaturization and compactness of the system to improve the power consumption ratio; (2) high repetition frequency operation; (3) frequency Tunable; (4) multi-frequency output; (5) phase-locked array output and power synthesis. Since its inception, relativistic magnetrons have attracted much attention due to their compactness and high efficiency. In order to meet the development and application requirements of high-power microwave sources in the future, the relativistic magnetron with high output power, high conversion efficiency, suitable for long pulse and h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01J23/44H01J23/46H01J23/18H01J25/50
CPCH01J23/44H01J23/46H01J23/18H01J25/50H01J2223/18H01J2223/44H01J2223/46H01J2225/50Y02E30/10
Inventor 周豪李天明何朝雄
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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