A5022743136- Advanced Fiber Optic Sensors
- Photonic and Optical Devices
- Advanced Fiber Laser Technologies
- Semiconductor Lasers and Optical Devices
- Photonic Crystal and Fiber Optics
- Advanced MIMO Systems Optimization
- Cooperative Communication and Network Coding
- Advanced Wireless Network Optimization
- Advanced DC-DC Converters
- Advanced Power Amplifier Design
- Simulation and Modeling Applications
- Radio Frequency Integrated Circuit Design
- Optical Network Technologies
- Advanced Wireless Communication Techniques
- Embedded Systems and FPGA Design
- Real-time simulation and control systems
- Gas Sensing Nanomaterials and Sensors
- Advanced battery technologies research
- Hydrogen Storage and Materials
- Characterization and Applications of Magnetic Nanoparticles
- Autonomous Vehicle Technology and Safety
- Nanotechnology research and applications
- Advanced Sensor and Control Systems
- Magnesium Alloys: Properties and Applications
- Magnetic Bearings and Levitation Dynamics
Nantong University
2008-2025
Ningxia Medical University
2025
Nantong Science and Technology Bureau
2024
Nanjing Tech University
2007-2020
Southeast University
2014-2016
Hunan Institute of Engineering
2011
National University of Defense Technology
2008-2009
Myopia is the most common visual impairment among Chinese children and adolescents. The purpose of this study to explore key interventions for myopia prevalence, especially early-onset myopia. Univariate multivariate analyses were conducted evaluate potential associations between risk factor exposure Lasso regression was performed prioritize features, selected leading influencing factors used establish assembled simulation model. Finally, rms package R construct a nomogram forecasting model...
We propose and demonstrate a new temperature curvature sensor based on double peanut-shaped structures tapered coreless fiber (CLF) using microfiber Mach-Zehnder interferometer (MMZI) technology. The peanut structure is comprised of single-mode (SMF) CLF, fused sphere in each end to create high sensing performance. By combining the characteristics with evanescent field, this can excite more high-order modes obtain high-performance measurements. experimental results that maximum intensity...
This paper introduces a new high-sensitivity curvature fiber sensor based on miniature two-path Mach-Zehnder interferometer (MTP-MZI). The is fabricated by coupling and fusing the multimode (MMF) with single-mode (SMF) using arc fusion technology (AFT), resulting in centimeter-level MZI structure. represents an innovative approach to technology, which reduces device size, simplifies manufacturing, lowers costs. In curvature-sensing experiments, MTP-MZI achieves maximum sensitivity of -96.70 dB/m
A Microfiber Mach-Zehnder interferometer (MMZI) based on tapered seven-core fiber (SCF) for curvature measurement has been reported and demonstrated. The SCF promoted the light coupling efficiency from single-mode (SMF) to SCF, which results in transmission spectrum with a low loss high extinction ratio. In process of measurement, sensitivity can reach up 174.02957 nm/m <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">−1</sup> , is highest MZI as...
A high-sensitivity temperature and curvature microfiber Mach-Zehnder interferometer (MMZI) with two peanut-shaped structures is proposed demonstrated for the first time. The consists of a section structures. can be easily affected by external environment due to its strong evanescent field on surface structure conducive excite fundamental mode high-order mode, which beneficial realize sensing detection. experimental results show that maximum sensitivity −678.67 pm<inline-formula>...
A high sensitivity fiber sensor constructed by cascading a seven-core (SCF) with balloon-like bending single-mode (BSF) is proposed and demonstrated. Due to the composite structure, more higher-order modes can be stimulated from core mode than conventional BSF, leading temperature of sensor. Experimental results show that when varies 31 °C 70 °C, maximum reach −3.22 nm/°C, which highest as far BSF concerned. By decreasing SCF's length BSF's diameter, will increased. Furthermore, insensitive...
We present a high-sensitivity curvature and strain Mach–Zehnder interferometer (MZI) fiber sensor based on configuration of no-core (NCF) four-core (FCF). used an optical fusion splicer to directly splice segment FCF between two segments NCF, with both the NCF made SiO2, where exhibits multi-path interference characteristics that allow for higher sensitivity. The its self-focusing property, excites higher-order modes, which split transmit it into four cores FCF. experimental results show...
A microfiber Mach-Zehnder interferometer (MMZI) with two spindle-shaped structures was reported for measuring temperature and curvature. Due to the core-separated structure, MMZI could excite more high-order modes, which improves sensitivity efficiently. When central waist region is 4 μm, sensitivities curvature were 1290.4pm /°C 56.1947 nm/m <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">-1</sup> , respectively. Furthermore, be improved...
Switching-linear hybrid envelope tracking (SLH ET) power supplies can achieve both high efficiency and bandwidth. However, the switching frequency is often required to be far higher than or at least equal With modulation methods advance, increasing bandwidth may lead a too implement. This paper proposes an SLH ET supply, consisting of multilevel converter linear amplifier connected in series. Based on multicell configuration converter, pulse edge independent distribution method proposed,...
The envelope tracking (ET) power supply can output a variable voltage which tracks the of radio frequency input signal to amplifier (PA), and system efficiency be significantly improved. To achieve high bandwidth, switching ET is usually too high. pulse edge independent distribution (PEID) method has been proposed reduce 1/n (n ϵ N) but large number isolated sources are needed, leading increased stage complexity. In this letter, switched capacitor based bandwidth proposed, employs optimized...
In this paper, the downlink ergodic rate of distributed antenna systems (DASs) is studied with linear beamforming under pilot contamination. Utilizing Jensen's inequality and properties Gamma distribution, we derive a closed-form expression achievable maximum ratio transmission (MRT) beamforming. Then, based on approximation for non-isotropic vectors as well zero-forcing (ZF) Numerical results show that expressions are accurate, rates will be impaired in presence
The envelope tracking (ET) power supply has emerged to improve the efficiency of amplifier (PA) by supplying a variable voltage that tracks input signal PA. Represented 5G, future wireless communication technologies are characterized higher bandwidth and lower base station profile, which puts demanding requirements on ET design. This paper investigates key features switched capacitor topology pulse edge independent distribution (PEID) method, then incorporates them into unitary supply....
We propose a novel wearable knee joint angle monitoring sensor based on the Mach–Zehnder interferometer (MZI) using triple-clad fiber (TCF), which is fabricated by directly fusing TCF between two single-mode fibers (SMFs). The varying motion of will cause various optical path differences core mode and cladding modes, lead to wavelength shifting MZI. Experimental results show that can measure bending angles in range from 40° 90°. When changes 65° 90°, sensitivity reach 569 pm/°, correlation...
The interface effects on the electrical characteristics of metal-ferroelectric-insulator- semiconductor field-effect transistor (MFIS-FET) are studied using an improved model in which expressions for and mobility incorporated into Lue model. layer between ferroelectric electrode SiO2 insulator have been investigated. Capacitance?gate voltage (C?VG) drain current?gate (ID?VGS) modeled with fixed thicknesses show good agreement experiments, verifying validity existence transistor....