Rapid optimization design method applied to millimeter wave extended interaction oscillator

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: 2020-05-15
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 effi...

Method used

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  • Rapid optimization design method applied to millimeter wave extended interaction oscillator
  • Rapid optimization design method applied to millimeter wave extended interaction oscillator
  • Rapid optimization design method applied to millimeter wave extended interaction oscillator

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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 field of microwave, millimeter wave and terahertzelectric vacuum devices. According to the method, simulation-numerical value-simulation repeated iterative optimization is adopted, nonlinear numerical value calculation is matched into multi-parameter optimization, and the optimization target of the highest interaction efficiency is achieved more quickly; describing the relationship between the amplitude distribution of each gap electric field ofthe optimal interaction high-frequency structure in a unified expression form according to theoretical analysis and optimization calculation results; then, according to the proposed electric field expression form, the optimization of the high-latitude dimension is greatly reduced, the variation range of optimization parameters is reduced, and finally, the optimization time is greatly shortened and the optimization result is improved; moreover, compared with a nonlinear numerical calculation program for calculating by a time step length, the nonlinear self-consistent solution of the injection-wave interaction of the space step length and the simulated annealing algorithm optimization method are adopted for calculation, so that the numerical calculation process is quicker, and the result ismore 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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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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