Study On Optical Communications, Volume. 50, Issue 4, 23003201(2024)
Baseline Correction Method of FBG Sensor Network Spectrum based on the Improved LSTM Model
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Fig. 6. Spectra of anomalies caused by the face reflections at the fiber end
Fig. 7. Graph of training results of different baselines to adjust models
Fig. 9. Comparison chart of the results under different correction methods
Table 1. Segmentation of experimental datasets
View tableView in ArticleTable 1. Segmentation of experimental datasets
数据集 训练集 验证集 测试集 仿真数据集 3 200 000 400 000 400 000 实验数据集 17 280 2 160 2 160
Table 2. Sensing signal survival after correcting for baseline
View tableView in ArticleTable 2. Sensing signal survival after correcting for baseline
基线校正方法 基线校正后传感信号存活率（%） 改进LSTM法 97.2 LSTM法 91.3 RNN法 84.7 惩罚最小二乘法 78.4 小波软阈值法 76.8
Table 3. Comparison results with different baseline correction methods
View tableView in ArticleTable 3. Comparison results with different baseline correction methods
基线校正方法 RMSE均值 标准差 校正时间/ms 改进LSTM法 0.012 2 0.002 4 9.68 LSTM法 0.015 5 0.002 9 12.37 RNN法 0.020 8 0.003 1 10.24 惩罚最小二乘法 0.023 6 0.003 6 5.91 小波软阈值法 0.029 8 0.004 8 5.83
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Ying HAN, Xu ZHANG, Mingxin YU, Wei ZHUANG. Baseline Correction Method of FBG Sensor Network Spectrum based on the Improved LSTM Model[J]. Study On Optical Communications, 2024, 50(4): 23003201
Paper Information
Category: Research Articles
Received: May. 1, 2023
Accepted: --
Published Online: Aug. 15, 2024
The Author Email: Xu ZHANG (zhangxubistu@outlook.com)
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