Design method for helix traveling wave tube coaxial energy coupler
A technology of energy coupling and helix, which is applied in the direction of waveguide devices, circuits, connecting devices, etc., can solve the problems of long time consumption, high consumption of computer resources, and inability to quickly meet performance requirements, and achieve the effect of overcoming long time consumption
Active Publication Date: 2016-09-07
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology
[0005] The purpose of the present invention is to solve the problems of time-consuming design of the helical TWT coaxial energy coupler in the prior art, high consumption of computer resources, an
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Embodiment Construction
[0022] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0023] The invention provides a design method of a helical traveling wave tube coaxial energy coupler, such as Figure 4 shown, including the following steps:
[0024] S1. Determine the frequency range and performance index of the coaxial energy coupler according to the working frequency range of the helical TWT.
[0025] Generally speaking, the frequency range of the coaxial energy coupler should be greater than or equal to the working frequency range of the helical TWT. The performance of the energy coupler can be described by the standing wave frequency characteristics and reflection frequency characteristics.
[0026] The standing wave frequency characteristic can be characterized by the voltage standing wave ratio ρ, and the reflection frequency characteristic can be characterized by the reflection coefficient |Γ|. Voltage standing wave ratio ρ a...
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The invention discloses a design method for a helix traveling wave tube coaxial energy coupler, and belongs to the technical field of a microwave vacuum electronic device energy coupler. According to the design method, the design process of the helix traveling wave tube coaxial energy coupler is divided into several relatively independent modules; and finally, the coaxial energy coupler which satisfies the working frequency range and performance index requirements is rapidly obtained through simulation and optimization. By adoption of the design method, the helix traveling wave tube coaxial energy coupler which satisfies the specific performance requirement can be accurately and rapidly designed; the problems of high time consumption, high computer resource consumption and the like caused by single three-dimensional electromagnetic simulation software for design are overcome; and therefore, an effective and feasible method is provided for the rapid and efficient deign of the helix traveling wave tube coaxial energy coupler.
Description
technical field [0001] The invention belongs to the technical field of microwave vacuum electronic device energy couplers, and in particular relates to a design method for a helical traveling wave tube coaxial energy coupler. Background technique [0002] Helical traveling wave tube is a very important microwave electro-vacuum device, which has the characteristics of high power, wide frequency band, high gain and high efficiency, and is widely used in radar, electronic countermeasures and satellite communication and other fields. The energy coupler is one of the key components of the helical TWT, which is responsible for the energy coupling and transmission of the electromagnetic signal between the transmission line outside the tube (usually a coaxial line or waveguide) and the helical high-frequency system. For a schematic diagram of the energy coupler see figure 1 . [0003] Common helical traveling wave tube coaxial energy coupler structure such as figure 2 As shown, ...
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Login to View More IPC IPC(8): H01P11/00H01P5/00
CPCH01P5/00H01P11/00
Inventor 朱小芳胡权胡玉禄徐立李斌
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA