Noise Reduction Method for Optical Fiber Perimeter Intrusion Signal Based on POA-VMD and MPE

Yuzhao Ma; Qingxiao Zhu; Lü Qiming; Meng Li

doi:10.3788/LOP232648

Laser & Optoelectronics Progress, Volume. 61, Issue 17, 1706010(2024)

Noise Reduction Method for Optical Fiber Perimeter Intrusion Signal Based on POA-VMD and MPE

Yuzhao Ma^1、*, Qingxiao Zhu¹, Lü Qiming¹, and Meng Li²

Author Affiliations

¹College of Electronic Information and Automation, Civil Aviation University of China, Tianjin 300300, China

²College of Air Traffic Management, Civil Aviation University of China, Tianjin 300300, China

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Figures & Tables(12)

Fig. 1. POA-VMD-MPE algorithm flowchart

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Fig. 2. Decomposed modal optimization curve

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Fig. 3. Fiber perimeter system based on dual Mach-Zehnder

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Fig. 4. Various collected signals. (a) Wind; (b) static; (c) climb; (d) knock; (e) run; (f) rainy

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Fig. 5. POA algorithm optimization process. (a) Fitness curve; (b) decomposed modal optimization curve; (c) penalty factor optimization curve

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Fig. 6. VMD exploded renderings

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Fig. 7. Comparison of initial signal and denoised signal. (a) Initial signal; (b) denoised signal

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Fig. 8. Comparison of the reconstructed signal by VMD-MPE, EEMD-CC, and CEEMD-CC methods with the original signal

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Table 1. IMF component center frequency

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Table 1. IMF component center frequency

K	Center frequency value
1.000000	3.80×10^-5
2.000000	4.47×10^-5	0.147840
3.000000	4.44×10^-5	0.131480	0.325460
4.000000	1.94×10^-5	0.048459	0.141900	0.330890
5.000000	1.42×10^-5	0.035569	0.129570	0.191150	0.335350
6.000000	1.05×10^-5	0.030471	0.103980	0.157970	0.247360	0.339430
7.000000	7.25×10^-6	0.026175	0.070731	0.137690	0.185170	0.301000	0.339840

Table 2. Multiscale permutation entropy of the simulation signal
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Table 2. Multiscale permutation entropy of the simulation signal
Simulation signals $x_{1} (t)$ $x_{2} (t)$ $x_{3} (t)$ $x_{4} (t)$ $x_{5} (t)$ $x_{6} (t)$ $x_{7} (t)$
MPE 0.4428 0.1420 0.2734 0.1922 0.0058 0.6444 0.9117

Table 3. Laser parameters
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Table 3. Laser parameters
Wavelength /nm Power /mW Line width /kHz
1550 20 10

Table 4. Comparison of denoising effect of VMD-MPE, EEMD-CC, and CEEMD-CC methods

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Table 4. Comparison of denoising effect of VMD-MPE, EEMD-CC, and CEEMD-CC methods

Method	Climb			Run			Knock
Method	$d_{n S N R}$ /dB	$C C$	$R M S E$	$d_{n S N R}$ /dB	$C C$	$R M S E$	$d_{n S N R}$ /dB	CC	$R M S E$
EEMD-CC	34.46	0.91	0.18	31.86	0.72	0.44	30.79	0.83	0.27
CEEMD-CC	33.91	0.92	0.11	31.07	0.76	0.36	30.11	0.86	0.21
VMD-MPE	31.88	0.99	0.03	29.54	0.94	0.15	28.71	0.98	0.09

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Yuzhao Ma, Qingxiao Zhu, Lü Qiming, Meng Li. Noise Reduction Method for Optical Fiber Perimeter Intrusion Signal Based on POA-VMD and MPE[J]. Laser & Optoelectronics Progress, 2024, 61(17): 1706010

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