A Rapid Optimal Design Method for Extended Interaction Oscillators in Millimeter Waves

A technology for expanding interaction and optimizing design, applied in the field of fast and efficient optimization design, can solve problems such as convergence speed, computational efficiency, algorithm stability, etc., to achieve the effect of improving optimization results, reducing the range of variation, and high interaction efficiency

Active Publication Date: 2022-03-15
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

However, even the same optimization algorithm will have a significant impact on the convergence speed, computational efficiency, and algorithm stability due to differences in the objective function, initial value settings, and optimization process.

Method used

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  • A Rapid Optimal Design Method for Extended Interaction Oscillators in Millimeter Waves
  • A Rapid Optimal Design Method for Extended Interaction Oscillators in Millimeter Waves
  • A Rapid Optimal Design Method for Extended Interaction Oscillators in Millimeter Waves

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Embodiment Construction

[0037] According to attached figure 1 The flow chart of the optimization scheme, we design and optimize the high-frequency structure of a 9-gap extended interaction oscillator, the specific steps are as follows:

[0038] (1) According to the theoretical analysis of the injection wave interaction of the millimeter-wave extended interaction oscillator and a large number of optimization calculation results, the electric field amplitude distribution relationship of each gap in the high-frequency structure of the millimeter-wave extended interaction oscillator is obtained as formula (2) Shown:

[0039]

[0040] where a j =[1.082 0.3106 0.0639 0.0186 0.0034 0.00225 0.00092 0.00057];

[0041] b j =[0.0897 0.1866 0.3614 0.6836 0.9577 1.12 1.461 1.628];

[0042] c j =[-0.241 1.964 0.3614 1.936 3.849 2.821 -1.079 1.505].

[0043] (2) According to the electric field amplitude distribution relationship of each gap in the high-frequency structure of the millimeter-wave extended i...

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Abstract

The invention discloses a rapid optimization design method applied to a millimeter wave extended interaction oscillator, and relates to the technical fields of microwave, millimeter wave and terahertz electric vacuum devices. This method adopts repeated iterative optimization of simulation-numerical-simulation, and combines nonlinear numerical calculation into multi-parameter optimization, so as to achieve the optimization goal of the highest interaction efficiency more quickly; according to the theoretical analysis and optimization calculation results, it is described in a unified expression form The relationship between the electric field amplitude distribution of each gap in the optimal interaction high-frequency structure; then, according to the proposed electric field expression form, the optimization of the high-latitude dimension can greatly reduce the dimension, reduce the variation range of the optimization parameters, and finally greatly reduce the Small optimization time and improved optimization results; in addition, compared with the nonlinear numerical calculation program calculated with time step, the nonlinear self-consistent solution of the injection-wave interaction with space step and the optimization method of simulated annealing algorithm are used to calculate the numerical value. The calculation process is faster and the results are more stable.

Description

technical field [0001] The invention relates to the technical field of microwave, millimeter wave and terahertz electric vacuum devices, in particular to a fast and efficient optimization design method applied to millimeter wave extended interaction oscillators, which can be applied to microwave, millimeter wave and terahertz Numerical computation and optimization of extended interactive oscillators. Background technique [0002] In the field of national defense and military affairs, the requirements for high power, high frequency, and miniaturization of airborne and spaceborne equipment are getting higher and higher. Millimeter wave vacuum electronic devices have an irreplaceable position in these aspects. The extended interaction oscillator has the characteristics of high power, miniaturization, and high efficiency, which make it have outstanding advantages in the fields of airborne electronic countermeasures and miniaturized microwave active denial weapons. As the power ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/20
Inventor 王建勋高家昊罗勇王丽蒋伟刘国
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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