With regard to the limitations of kernel PCR with single kernel, mixtures of kernels principal component regression (PCR) is proposed to improve the generalization ability and nonlinearity.

• 摘要针对核函数PCR方法中单个核函数的局限性，提出了混合核函数PCR方法并将其用于工业过程软测量建模，以提高模型的推广能力和非线性处理能力。