Yanzhang Lin, Yi Liu, Yuheng Pan, Guoyan Li. Fiber Bragg Grating Spectrum Peak-Detection Algorithm Based on Difference of Gaussian[J]. Laser & Optoelectronics Progress, 2021, 58(7): 0706002
- Laser & Optoelectronics Progress
- Vol. 58, Issue 7, 0706002 (2021)
Fig. 1. Convolution results of dot signal and second derivative of normalized Gaussian function. (a) Original signal（s=200）; (b) convolution signal（
Fig. 2. Convolution results of dot signal and second derivative of Gaussian function on the different scales. (a) Original signal （s=200）; (b) convolution signal（
Fig. 3. Process of peak detection
Fig. 4. Schematic of the experimental platform
Fig. 5. FBG reflection spectrum
Fig. 6. Physical diagram of the experimental platform
Fig. 7. Detection results of three peak-detection algorithms
Fig. 8. Relation between SNR and algorithm error by the three algorithms
|
Table 1. Average wavelength, standard deviation, average error and operation time of the three algorithms
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20