Cross-band dual-frequency relativistic backward-wave oscillator

Abstract

The invention discloses a cross-band dual-frequency relativistic backward-wave oscillator. The cross-band dual-frequency relativistic backward-wave oscillator comprises a high-frequency microwave device and a low-frequency microwave device, which are coaxially arranged in sequence, wherein the high-frequency microwave device comprises a high-frequency relativistic backward-wave oscillator; a cathode and a high-frequency device beam wave interaction area are coaxially arranged in the high-frequency relativistic backward-wave oscillator in sequence; a first guide magnet is arranged outside the high-frequency relativistic backward-wave oscillator; the low-frequency microwave device comprises a low-frequency relativistic backward-wave oscillator; a low-frequency device beam wave interaction area is arranged in the low-frequency relativistic backward-wave oscillator; the low-frequency relativistic backward-wave oscillator is coaxially connected with the tail end of the high-frequency relativistic backward-wave oscillator; and a second guide magnet is arranged outside the low-frequency relativistic backward-wave oscillator. By the circular waveguide critical wavelength principle in the relativistic backward-wave oscillator, the same intense annular electron beam passes through magnetic field guide structures with different magnetic field intensity distributions, successively passes through the tandem high-frequency microwave device and low-frequency microwave device, and generates a high-frequency high-power microwave and a low-frequency high-power microwave respectively.

Description

technical field [0001] The invention relates to the technical field of high-power microwave devices, in particular to a cross-band dual-frequency relativistic return wave oscillator. Background technique [0002] In recent years, while pursuing high power, high efficiency, and realizing long pulse and high repetition frequency operation, high-power microwave sources have also shown some other development characteristics, such as the pursuit of a single microwave source device to generate microwaves with multiple frequencies. This type of device can realize the multi-frequency output of a single oscillator, which is an extended research and integrated innovative application of the single-frequency oscillator, and has certain academic value and potential application prospects. The relativistic return wave oscillator has the working characteristics of high power, high efficiency, and is suitable for repeated frequency operation. It is one of the most potential high-power microw...

AI Technical Summary

Problems solved by technology

However, the methods for generating dual-frequency high-power microwaves reported at home and abroad all use two separate sets of single-frequency microwave sources in essence. secondly, the space radiation patterns of two or more independently operated microwave sources are relatively complex, which is not conducive to the practical application of high-power microwave; in addition, two independently operated microwave sources will increase the research cost

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