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ABSTRACT To improve the modeling accuracy and speed of the ExtraTrees model, this paper proposes the CS‐ExtraTrees model and verifies the effectiveness of the model based on the measured data of the designed microwave amplifier. The modeling results show that: compared with the Gradient Boosting, Random Forest, and ExtraTrees models, the CS‐ExtraTrees model proposed in this paper can improve the modeling accuracy and speed by an order of magnitude. This shows that the CS algorithm has broad application prospects in the field of microwave/radio frequency (RF) devices and circuit modeling and optimization.
Sun et al. (Sat,) studied this question.