激光与光电子学进展, 2019, 56 (13): 130601, 网络出版: 2019-07-11
光纤入侵信号的特征提取与识别算法 
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Feature Extraction and Recognition Algorithm for Fiber Intrusion Signals
图 & 表
图 1. 光纤入侵信号特征提取及识别算法流程图
Fig. 1. Processing flow chart of feature extraction and recognition for fiber intrusion signals
图 2. 分解结果。(a) EMD分解;(b) EEMD分解
Fig. 2. Decomposition results. (a) EMD decomposition; (b) EEMD decomposition
图 4. 原始入侵信号预处理。(a1)(b1)敲击信号;(a2)(b2)过车信号;(a3)(b3)小跑信号
Fig. 4. Preprocessing for original intrusion signals. (a1)(b1) Tapping signal; (a2)(b2) vehicle signal; (a3)(b3) running signal
图 5. 能量比结果。(a)敲击信号;(b)过车信号;(c)小跑信号
Fig. 5. Results of energy ratio. (a) Tapping signal; (b) vehicle signal; (c) running signal
图 6. 方差分析结果。(a)敲击信号;(b)过车信号;(c)小跑信号
Fig. 6. Variance analysis results. (a) Tapping signal; (b) vehicle signal; (c) running signal
表 1不同的λ,w,b对模型误差的分析
Table1. Model error analysis under different λ, w, and b
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表 2识别结果对比
Table2. Comparison of recognition results
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曲洪权, 宫殿君, 张常年, 王彦平. 光纤入侵信号的特征提取与识别算法[J]. 激光与光电子学进展, 2019, 56(13): 130601. Hongquan Qu, Dianjun Gong, Changnian Zhang, Yanping Wang. Feature Extraction and Recognition Algorithm for Fiber Intrusion Signals[J]. Laser & Optoelectronics Progress, 2019, 56(13): 130601.
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