Optimized demodulation of highly overlapped fiber Bragg grating
The experimental results demonstrate the superior performance of our proposed FBG demodulation scheme, achieving a remarkable 50.1% and 62.6% improvement in prediction
Fiber Bragg Gratings
Fiber Bragg gratings are reflective structures in the core of an optical fiber with a periodic or aperiodic perturbation of the effective refractive index.
Fibre Bragg Grating Wavelength Shift Demodulation with Filtering and
A novel approach to fibre Bragg grating spectra processing is proposed. The method is based on the use of nonlinear filtration and raising the spectrum value to the second power.
Developed machine learning algorithm for fiber Bragg grating sensor
This research presents a novel machine learning algorithm based on the Gaussian Mixture Model (GMM) to enhance the demodulation accuracy of the FBG sensor.
Breaking Demodulation Limitations: AWG and Deep Learning in
The conventional fiber Bragg grating (FBG) accelerometer demodulation often suffers from high-environmental sensitivity, complexity, and cost. To address these issues, this article presents two
Pretreatment of Ultra-Weak Fiber Bragg Grating Hydrophone Array
The demodulation algorithm based on 3 × 3 coupler in a fiber-optic hydrophone array has gained extensive attention in recent years. The traditional method uses a circulator to construct the normal
Accurate and fast calibration for FBG demodulation based on deep
Accurate and rapid demodulation plays a crucial role in fiber Bragg grating (FBG) sensing systems. The Fabry-Perot (F-P) filter is a dependable demodulation technique with excellent
A three-points tracking-based high-speed fiber Bragg grating
Several studies have proposed innovative demodulation methods to enhance the speed and accuracy of FBG interrogation systems. These methods to improve demodulation frequency can
Fibre Bragg Grating Wavelength Shift Demodulation with
A novel approach to fibre Bragg grating spectra processing is proposed. The method is based on the use of nonlinear filtration and raising the
Demodulation Algorithm for Fiber Bragg Grating Sensors
A demodulation algorithm is vital for a fiber Bragg grating (FBG) sensing system. In this paper, a novel demodulation algorithm based on the variable-step-size method and cross-correlation algorithm is
Design and Verification of an 850 nm Fiber Bragg Grating
Spectral interrogation of fiber Bragg gratings (FBGs) in the ~850 nm band remains relatively uncommon, largely due to the limited availability of commercial instruments and the restricted applicability of
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