Large-span waveband dual-band controllable relativistic backward-wave oscillator

A technology of relativity and oscillators, which is applied in the field of high-power microwave devices, can solve problems such as increased research costs, difficulties in synchronous output of microwave sources, and complex spatial radiation patterns of microwave sources, and achieves flexible and changeable structures

Active Publication Date: 2016-08-17
INST OF APPLIED ELECTRONICS CHINA ACAD OF ENG PHYSICS
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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

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  • Large-span waveband dual-band controllable relativistic backward-wave oscillator
  • Large-span waveband dual-band controllable relativistic backward-wave oscillator

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[0022] Such as figure 1 As shown, the present invention uses the structural characteristics of the coaxial relativistic backward wave oscillator to study the coaxial inner conductor in the low frequency device as a high frequency device, and uses a controllable double-diameter electron beam to make the relativistic backward wave oscillator sequentially generate L , Ku-band single-frequency high-power microwaves, or simultaneous L and Ku-band dual-frequency high-power microwaves. The controllable dual emission diameter cathode is composed of coaxial inner and outer ring cathodes, and is connected with a screw with a true reverse thread. Through the controllable rotation of the screw, controllable single inner and outer diameter electron beam emission with dual emission diameters or simultaneous emission of dual diameter electron beams is realized.

[0023] The L-band device in the long-span-band dual-frequency controllable relativistic back-wave oscillator adopts the design method...

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Abstract

The invention discloses a large-span waveband dual-band controllable relativistic backward-wave oscillator. The oscillator comprises an insulating end and an L waveband relativistic backward-wave oscillator connected with the insulating end, wherein positive electrodes are arranged in the insulating end; the positive electrodes are dual-diameter electron beam transmitting negative electrodes; a Ku waveband relativistic backward-wave oscillator is arranged in the cavity of the L waveband relativistic backward-wave oscillator; the L waveband relativistic backward-wave oscillator and the Ku waveband relativistic backward-wave oscillator are fixed into one body through supporting circular rings; and the L waveband relativistic backward-wave oscillator, the Ku waveband relativistic backward-wave oscillator and the negative electrodes are arranged on the same horizontal axial line. According to the oscillator, the structural characteristics of the coaxial relativistic backward-wave oscillator are studied; the coaxial internal conductor in a low-frequency device is taken as a high-frequency-band device; and by adoption of the controllable dual-diameter electron beams, the relativistic backward-wave oscillator can generate the L waveband single-frequency high-power microwave and the Ku waveband single-frequency high-power microwave in sequence, or generate the L waveband dual-frequency high-power microwave and the Ku waveband dual-frequency high-power microwave simultaneously according to needs.

Description

technical field [0001] The patent of the present invention relates to the technical field of high-power microwave devices, in particular to a large-span-band dual-frequency controllable 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...

Claims

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Application Information

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IPC IPC(8): H01J25/46H01J23/20
CPCH01J23/20H01J25/46
Inventor 张运俭孟凡宝丁恩燕杨周柄陆巍
Owner INST OF APPLIED ELECTRONICS CHINA ACAD OF ENG PHYSICS
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