Quantitative Analysis of φ-OTDR Spatial Resolution Influenced by NLM Parameters
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DOI: 10.3390/photonics10050529
Abstract: Non-local mean (NLM) can significantly improve the signal-to-noise ratio (SNR), but it inevitably reduces the spatial resolution of distributed optical fiber sensors (DFOS), which hinders its practical application and the improvement of DFOS performance. In… read more here.
Keywords: spatial resolution; quantitative analysis; signal broadening; nlm parameters ... See more keywords