2021
DOI: 10.1109/jsen.2021.3110205
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Segmented Noise Reduction Based on Brillouin-Spectrum-Partition in Brillouin Optical Time Domain Sensors

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Cited by 6 publications
(6 citation statements)
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“…The AM n change caused by each NLM parameter is 9.55%, 0.05%, and −0.04%, respectively, which indicates that the decrease in AM is mainly caused by the GSP. It is worth noting that if all the NLM parameters are optimal, the FWHM of the denoised trace only expands by only 2.56% compared with that of the clean trace, which is much less than the previous results [13,14,19,20,22]. The total signal amplitude is reduced by 9.25% compared with the clean trace.…”
Section: Discussionmentioning
confidence: 61%
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“…The AM n change caused by each NLM parameter is 9.55%, 0.05%, and −0.04%, respectively, which indicates that the decrease in AM is mainly caused by the GSP. It is worth noting that if all the NLM parameters are optimal, the FWHM of the denoised trace only expands by only 2.56% compared with that of the clean trace, which is much less than the previous results [13,14,19,20,22]. The total signal amplitude is reduced by 9.25% compared with the clean trace.…”
Section: Discussionmentioning
confidence: 61%
“…The traces denoised with three SEWS values (20,251,260) are almost identical to the clean trace (blue line) when GSP = 0.052 and SIWS = 14, as shown in Figure 4i. Obviously, the SEWS = 260 has no denoising effect on the noisy trace.…”
Section: Fwhm Varies With Nlm Parametersmentioning
confidence: 68%
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“…Various techniques have been proposed to improve the performance of distributed Brillouin fiber sensors [26][27][28][29][30][31][32][33][34][35][36][37][38][39][40][41][42][43]. Among these advanced techniques, methods such as optical pulse coding [26][27][28], distributed Raman amplification [29][30][31], and different signal processing methods [32][33][34][35] exhibit better performances than classical standard configurations.…”
Section: Introductionmentioning
confidence: 99%