Search Results - "Li, Zhengying"
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Distributed sensing technology of high-spatial resolution based on dense ultra-short FBG array with large multiplexing capacity
Published in Optics express (13-11-2017)Get full text
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Identification of Ground Intrusion in Underground Structures Based on Distributed Structural Vibration Detected by Ultra-Weak FBG Sensing Technology
Published in Sensors (Basel, Switzerland) (09-05-2019)“…It is challenging for engineers to timely identify illegal ground intrusions in underground systems such as subways. In order to prevent the catastrophic…”
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Applying Deep Learning to Continuous Bridge Deflection Detected by Fiber Optic Gyroscope for Damage Detection
Published in Sensors (Basel, Switzerland) (08-02-2020)“…Improving the accuracy and efficiency of bridge structure damage detection is one of the main challenges in engineering practice. This paper aims to address…”
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Simultaneous distributed static and dynamic sensing based on ultra-short fiber Bragg gratings
Published in Optics express (25-06-2018)“…Distributed static and dynamic sensing is demonstrated with an ultra-short fiber Bragg grating (USFBG) array. The USFBGs serve as the sensors and reflection…”
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Manifold-Based Multi-Deep Belief Network for Feature Extraction of Hyperspectral Image
Published in Remote sensing (Basel, Switzerland) (01-03-2022)“…Deep belief networks (DBNs) have been widely applied in hyperspectral imagery (HSI) processing. However, the original DBN model fails to explore the prior…”
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Simulation of Layer Thickness Measurement in Thin Multi-Layered Material by Variable-Focus Laser Ultrasonic Testing
Published in Sensors (Basel, Switzerland) (07-01-2023)“…Thin multi-layered materials are widely used in key structures of many high technology industries. To ensure the quality and safety of structures, layer…”
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A Novel Monitoring Approach for Train Tracking and Incursion Detection in Underground Structures Based on Ultra-Weak FBG Sensing Array
Published in Sensors (Basel, Switzerland) (13-06-2019)“…Tracking operating trains and identifying illegal intruders are two important and critical issues in subway safety management. One challenge is to find a…”
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A High-Speed Distributed Ultra-Weak FBG Sensing System With High Resolution
Published in IEEE photonics technology letters (01-08-2017)“…A high-speed high-resolution distributed sensing system with ultra-weak fiber Bragg grating (FBG) array is presented. The scheme uses a narrow bandwidth filter…”
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Multi-Feature Manifold Discriminant Analysis for Hyperspectral Image Classification
Published in Remote sensing (Basel, Switzerland) (17-03-2019)“…Hyperspectral image (HSI) provides both spatial structure and spectral information for classification, but many traditional methods simply concatenate spatial…”
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Combining SDAE Network with Improved DTW Algorithm for Similarity Measure of Ultra-Weak FBG Vibration Responses in Underground Structures
Published in Sensors (Basel, Switzerland) (12-04-2020)“…Quantifying structural status and locating structural anomalies are critical to tracking and safeguarding the safety of long-distance underground structures…”
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Circular RNA expression profiles in umbilical cord blood exosomes from normal and gestational diabetes mellitus patients
Published in Bioscience reports (27-11-2020)“…Circular RNA (circRNA) is a novel member of endogenous noncoding RNAs with widespread distribution and diverse cellular functions. Recently, circRNAs have been…”
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Precision Dynamic Sensing With Ultra-Weak Fiber Bragg Grating Arrays by Wavelength to Frequency Transform
Published in Journal of lightwave technology (15-07-2019)“…A high-speed interrogator using wavelength to frequency transform is proposed for high-precision demodulation of ultra-weak fiber Bragg gratings (UWFBGs). An…”
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Seismic Mitigation of Curved Continuous Girder Bridge Considering Collision Effect
Published in Symmetry (Basel) (01-01-2022)“…Due to structural irregularity, curved bridgesaremore likely to cause non-uniform collisions and unseating between adjacent components when subjected to…”
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Signal Processing for Time Domain Wavelengths of Ultra-Weak FBGs Array in Perimeter Security Monitoring Based on Spark Streaming
Published in Sensors (Basel, Switzerland) (04-09-2018)“…To detect perimeter intrusion accurately and quickly, a stream computing technology was used to improve real-time data processing in perimeter intrusion…”
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Non-contact assessment of cardiac physiology using FO-MVSS-based ballistocardiography: a promising approach for heart failure evaluation
Published in Scientific reports (08-02-2024)“…Continuous monitoring of cardiac motions has been expected to provide essential cardiac physiology information on cardiovascular functioning. A fiber-optic…”
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Spatial-Spectral Multiple Manifold Discriminant Analysis for Dimensionality Reduction of Hyperspectral Imagery
Published in Remote sensing (Basel, Switzerland) (01-10-2019)“…Hyperspectral images (HSI) possess abundant spectral bands and rich spatial information, which can be utilized to discriminate different types of land cover…”
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Parallel Computing for Quantitative Blood Flow Imaging in Photoacoustic Microscopy
Published in Sensors (Basel, Switzerland) (16-09-2019)“…Photoacoustic microscopy (PAM) is an emerging biomedical imaging technology capable of quantitative measurement of the microvascular blood flow by correlation…”
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High-Density Distributed Crack Tip Sensing System Using Dense Ultra-Short FBG Sensors
Published in Sensors (Basel, Switzerland) (10-04-2019)“…Crack generation starts at the crack tip, which bears the highest stress concentration. Under further stress, the crack propagates and leads to severe…”
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High-Speed Mach-Zehnder-OTDR Distributed Optical Fiber Vibration Sensor Using Medium-Coherence Laser
Published in Photonic sensors (Berlin) (01-09-2018)“…This article presents a high-speed distributed vibration sensing based on Mach-Zehnder-OTDR (optical time-domain reflectometry). Ultra-weak fiber Bragg…”
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Performance Optimization Design for a High-Speed Weak FBG Interrogation System Based on DFB Laser
Published in Sensors (Basel, Switzerland) (22-06-2017)“…A performance optimization design for a high-speed fiber Bragg grating (FBG) interrogation system based on a high-speed distributed feedback (DFB) swept laser…”
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