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An angular logarithmically meandering slow-wave line slow-wave structure loaded by fins

A meandering slow wave and slow wave structure technology, which is applied in the field of radial beam traveling wave tube slow wave system, achieves the effects of simple preparation process, expanded working bandwidth, and easy production and processing

Inactive Publication Date: 2019-09-24
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is: in order to solve the problem that the working frequency band of the existing angularly clamped angle logarithmic meandering slow wave structure traveling wave tube has certain limitations, the present invention provides a fin-loaded angularly clamped Angle logarithmic meandering slow wave line slow wave structure, on the basis of angular clamping angle logarithmic slow wave structure traveling wave tube, adopts fin loading method to effectively expand the working bandwidth of traveling wave tube

Method used

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  • An angular logarithmically meandering slow-wave line slow-wave structure loaded by fins
  • An angular logarithmically meandering slow-wave line slow-wave structure loaded by fins
  • An angular logarithmically meandering slow-wave line slow-wave structure loaded by fins

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Effect test

Embodiment 1

[0052] Such as figure 1 with figure 2 As shown, this embodiment provides a fin-loaded angularly clamped angular logarithmic tortuous slow-wave line structure, which includes an angular logarithmic metal tortuous slow-wave line 8 arranged in the metal cavity 1 and used for The dielectric support rod group supporting the logarithmic metal zigzag slow wave line 8 and the loading fin 2 with an isosceles trapezoid in cross section. The loading fin 2 is one, which is arranged in the metal cavity 1 and is connected to the metal cavity 1 Connected, the loading fins 2 are arranged parallel to the angle logarithmic metal zigzag slow wave line 8 directly above, and the length of the loading fins 2 is consistent with the radial length of the angle logarithmic metal zigzag slow wave line 8. 2 It is welded with the metal cavity 1 to realize the function of fin loading and expand the bandwidth of the slow wave structure.

[0053] Such as Picture 9 with Picture 10 As shown, the method for for...

Embodiment 2

[0061] Such as image 3 with Figure 4 As shown, this embodiment is further optimized on the basis of embodiment 1, specifically:

[0062] There are two loading fins 2, and the two loading fins 2 are arranged in parallel on the upper and lower sides of the angle logarithmic metal zigzag slow wave line 8.

Embodiment 3

[0064] Such as Figure 5 with Image 6 As shown, this embodiment is further optimized and further optimized on the basis of Embodiment 2, specifically:

[0065] There are multiple loading fins 2, and multiple loading fins 2 are arranged to form a thin fin 3.

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Abstract

The invention discloses an angle-logarithmic meandering slow-wave line slow-wave structure loaded with fins, and relates to the technical field of radial-beam traveling-wave tube slow-wave systems. The number of metal meandering slow wave lines, the dielectric support rod group used to support the logarithmic metal meandering slow wave line, and the loading fins with an isosceles trapezoidal cross section, the loading fins are arranged in the metal cavity and connected to the metal cavity, The loading fins and the angle logarithmic metal meandering slow wave line are arranged in parallel in the vertical direction, and the length of the loading fin is consistent with the radial length of the angle logarithmic metal meandering slow wave line. On the basis of the angular logarithmic slow wave structure traveling wave tube, the fin loading method is adopted to effectively expand the working bandwidth of the traveling wave tube.

Description

Technical field [0001] The present invention relates to the technical field of radial beam traveling wave tube slow wave systems, in particular to a wave beam interaction system applied to a radial beam traveling wave tube, and more specifically to a fin-loaded angular clamping angle pair Slow wave structure with several zigzag slow wave lines. Background technique [0002] The traveling wave tube is a microwave tube that realizes the amplification function by continuously modulating the speed of the electron beam. In the traveling wave tube, the electron beam interacts with the traveling microwave field in the slow wave circuit. The electron beam in the wave circuit continuously transfers the kinetic energy to the microwave signal field, so that the signal is amplified. The traveling wave tube allows electrons to pass through a long slow wave structure. Due to the long action time, the gain is high, and there is no resonant cavity. The bandwidth is greatly increased. The role o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01J23/27
Inventor 宫玉彬陈子君李新义王战亮段兆云巩华荣路志刚
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA