Improved Dynamic Range in Fiber-Optic Acoustic Sensing Systems With Enhanced Phase Demodulation Structure - Wu, Haojie; Zhu, Zhijuan; Bao, Qidong; Wang, Wenrui; Ye, Lingyun; Song, Kaichen; Sun, Xinglin (IEEE sensors journal, 2025)
Keywords: Acoustic sensors; Acoustics; Algorithms; Analog to digital converters; Bandwidth; Bandwidths; Closed-loop control algorithm; Control algorithms; Control methods; Control systems; Control theory; data fusion; Demodulation; Dynamic range; dynamic range (DR); Feedback control; Feedback control systems; Fiber optics; fiber-optic acoustic sensing system; Kalman filter (KF); Kalman filters; Noise; Noise control; Noise levels; Noise prediction; Optical fiber couplers; Optical fiber sensors; Optimization; Phase demodulation; phase demodulation structure; Phase modulation; Predictive control; Sampling; Sensitivity; Sensors; Signal transduction