在多变量统计过程控制中，传统的方法主要包括主元分析和偏最小二乘，这些方法存在着诸多缺陷。

Principal component analysis (PCA) and partial least squares (PLS) are the conventional techniques of multivariate statistical process control but exist some defects.

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介绍了SPC(统计过程控制)技术的技术流程、应用软件和具体实施方法。

The technique flow, application software and particular implement measures of SPC technology are introduced in this paper.

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本文首先介绍了自相关过程的特点和识别、统计过程控制中的过程能力分析和控制图方法的基础理论和知识。

The basic theory and knowledge of the characteristics and identification methods of auto-correlated process, process capability analysis and control charts are first introduced in this paper.

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