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Research on Noise Removal in Fiber Grating Sensing Signal

   | 14. Okt. 2019

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Figure 1.

WorkingPrinciple of Fiber Grating Sensing
WorkingPrinciple of Fiber Grating Sensing

Figure 2.

Diagram of decomposition and reconstruction of fiber Bragg grating signals
Diagram of decomposition and reconstruction of fiber Bragg grating signals

Figure 3.

Subband division of direction filter
Subband division of direction filter

Figure 4.

The signal of fiber grating sensor with noise
The signal of fiber grating sensor with noise

Figure 5.

The denoising results of fiber Bragg grating sensor in contour wave transform
The denoising results of fiber Bragg grating sensor in contour wave transform

COMPARES THE PERFORMANCE OF THE CLASSICAL RASTER SENSING SIGNAL DE-NOISING METHOD

Denoising methodPSNRMSE
The wavelet transform20.338.00
The literature[17]22.197.72
Contour wave transform24.737.24
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