Laser & Optoelectronics Progress, Volume. 57, Issue 7, 071201(2020)
Recognition of Formaldehyde, Methanol Based on PCA-BP Neural Network
Fig. 1. Experimental system block diagram
Fig. 2. Gas identification process
Fig. 3. Acquisition of data waveform. (a) Raw data waveform; (b) filtered data waveform
Fig. 4. PCA-BP neural network model
Fig. 5. PCA score chart. (a) First two main components; (b) first three main components
Fig. 6. Classification results of BP neural network. (a) A-PCA-BP classification; (b) W-PCA-BP classification
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Haisheng Song, Linzhao Ma, Yifan Wang, Engong Zhu, Chengfei Li. Recognition of Formaldehyde, Methanol Based on PCA-BP Neural Network[J]. Laser & Optoelectronics Progress, 2020, 57(7): 071201
Category: Instrumentation, Measurement and Metrology
Received: Oct. 9, 2019
Accepted: Nov. 26, 2019
Published Online: Mar. 31, 2020
The Author Email: Ma Linzhao (1093704655@qq.com)