Rapid optimization design method applied to millimeter wave extended interaction oscillator

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 ...

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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.

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