Three-frequency controllable high power microwave device

A high-power microwave and device technology, used in traveling wave tubes and other directions, can solve the problems of increased research costs, complicated spatial radiation patterns of microwave sources, and difficulties in synchronous output of microwave sources, and achieves the effect of flexible and changeable structure.

Inactive Publication Date: 2017-01-04
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 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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Embodiment Construction

[0026] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0027] Such as figure 1 , figure 2 As shown, the present invention utilizes the research on the structural characteristics of the coaxial relativistic return wave oscillator, uses the coaxial inner conductor in the low-frequency device as an intermediate-frequency device, and uses the coaxial inner conductor in the intermediate-frequency device as a high-frequency device. Using the controllable coaxial three-diameter cathode enables the relativistic return wave oscillator to sequentially generate low, medium and high three-band single-frequency high-power microwaves as required.

[0028] The controllable three-diameter cathode is composed of coaxial inner, middle and outer annular cathodes, and is respectively fixedly connected to a stepping motor controlling the axial position of each cath...

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Abstract

The present invention discloses a three-frequency controllable high power microwave device, which utilizes structure features of a coaxial relativistic backward wave oscillator to make the coaxial inner conductor in a low frequency device a high frequency band device and makes use of coaxial controllable three-diameter electron beams to make the relativistic backward wave oscillator generate single-frequency high-power microwaves in sequence of low-frequency, medium-frequency and high-frequency according to the needs. The controllable three-diameter cathode consists of a coaxial inner annular cathode, a middle annular cathode and an outer annular cathode, and is fixedly connected to the stepping motors which controls the axial positions of the cathodes. For the controllable adjustment to the three stepping motors, it is possible to realize the control over the three-diameter cathodes to generate electron beams with varied diameters. In the invention, the frequencies of the microwave device can be designed for actual requirement. Simple and flexible in structure, it is possible to generate three-frequency controllable high power micro waves in a high power microwave device.

Description

technical field [0001] The invention relates to the technical field of high-power microwave devices, in particular to a triple-frequency controllable high-power microwave device. 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 microwave ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01J25/46
CPCH01J25/46
Inventor 张运俭丁恩燕陆巍
Owner INST OF APPLIED ELECTRONICS CHINA ACAD OF ENG PHYSICS
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