By using hierarchical pattern recognition with much SOM network, the identification effect of boiler pollution mode is improved, and the accurate locations can be acquired.

采用多个SOM网络逐级模式识别方案，有效地提高了锅炉污染模式识别效果，并可以确定发生污染的具体部位。

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A hierarchical feedforward neural network model particularly suited to practical statistical pattern recognition tasks is proposed in this paper.

本文提出了一个适用于统计模式识别任务的阶层式前馈神经网络模型。

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According to the hierarchical method of the paper quality, a kind of paper disease pick up measure system was designed, which based on picture pattern-recognition.

根据纸张质量分级方法，设计了一种基于图形模式识别的纸张纸病捡测系统。

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