Rapid optimization method for half-space mapping of microstrip circuit in combination with Gaussian process

Abstract

The invention discloses a rapid optimization method for half-space mapping of a microstrip circuit in combination with a Gaussian process, and belongs to the field of computer aided design of microwave radio frequency circuits. The method comprises the following steps: firstly, determining microstrip circuit design indexes and structure variables needing to be optimized, and constructing a rough model; obtaining the optimal design size of the rough model; judging whether the optimal design size of the rough model meets a design index or not, if so, outputting a result and ending the process, otherwise, entering the next step; selecting an initial training sample and a halved optimization space according to semi-star distribution by judging an optimization direction; training a half-space mapping Gaussian process model; the model is optimized, and the optimal result of the next generation is predicted and verified; and if a design index is met, ending the process and outputting an optimization result, otherwise, performing parameter extraction, updating a training set and performing iterative optimization. According to the method, the design efficiency of the microstrip circuit can be improved to a great extent, the number of training samples required by a space mapping technology is reduced, and the convergence speed in the optimization process is accelerated.

Description

technical field [0001] The invention belongs to the field of computer-aided design of microwave radio frequency circuits, and in particular relates to a fast optimization method for half-space mapping of microstrip circuits combined with Gaussian processes. Background technique [0002] Microstrip circuit is a circuit form widely used in various electronic communication devices, and has many advantages such as small size, light weight, high reliability, compact structure, and easy integration. The traditional design of microstrip circuit often needs to rely on the experience of engineers and technicians and electromagnetic simulation software. However, with the development of electronic technology, the design of microstrip circuit structure has been moving towards the direction of miniaturization and high frequency, and various new and complex structures are emerging. It is labor-intensive and labor-intensive to design the circuit structure relying on theory and experience. ...

AI Technical Summary

Problems solved by technology

[0004] For the low efficiency and high consumption of computer resources in the design process of multi-structure parameters of microstrip circuits; in the traditional neural-space mapping optimization technology, it is difficult to determine the optimal structure of the neural network, the required initial training samples are large, and the directionality of optimization is not optimized. Judgment and other issues, the present invention provides a fast optimization method for microstrip circuit half-space mapping combined with Gaussian process

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