Ngā hua rapu - Han Lu
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1
Resolving inconsistent effects of tDCS on learning using a homeostatic structural plasticity model
I whakaputaina 2025-07-01Whiwhi kuputuhi katoaIntroductionTranscranial direct current stimulation (tDCS) is increasingly used to modulate motor learning. Current polarity and intensity, electrode montage, and application before or during learning had mixed effects. Both Hebbian and homeostatic plasticity were proposed to account for the observe...
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The interplay between homeostatic synaptic scaling and homeostatic structural plasticity maintains the robust firing rate of neural networks
I whakaputaina 2025-07-01Whiwhi kuputuhi katoaCritical network states and neural plasticity enable adaptive behavior in dynamic environments, supporting efficient information processing and experience-dependent learning. Synaptic-weight-based Hebbian plasticity and homeostatic synaptic scaling are key mechanisms that enable memory while stabili...
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3
Hydrodynamic activities and lifestyle preferences synergistically drive prokaryotic community assembly processes in the dual fronts system of the Yangtze River Estuary
I whakaputaina 2025-07-01Whiwhi kuputuhi katoaThe dual fronts system of the Yangtze River Estuary plays a critical role in the hydrodynamic-biological coupling mechanisms, whose frontal effects stimulate marine microorganisms to adapt to environmental fluctuation. However, the synergistic mechanisms driving prokaryotic community assembly in the...
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4
Resource Allocation in User-Centric Cell-Free Massive MIMO URLLC Systems With Network Slicing
I whakaputaina 2025-01-01Whiwhi kuputuhi katoaWith the development of sixth-generation mobile communication technology (6G), ultra-reliable and low latency communication (URLLC) is vital for latency-sensitive applications. User-centric cell-free massive MIMO (CF-mMIMO) architectures meet these demands by removing cell boundaries and ensuring fa...
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5
256 Gb/s Four-Channel SDM-Based PAM4 FSO-UWOC Convergent System
I whakaputaina 2019-01-01Whiwhi kuputuhi katoaGiven the rising demand for free-space with underwater environmental monitoring, calamity precaution, and developed industry applications, a free-space optical (FSO)–underwater wireless optical communication (UWOC) convergence is constructed to be an attractive architecture for affording...
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Majority Voting Ensemble of Deep CNNs for Robust MRI-Based Brain Tumor Classification
I whakaputaina 2025-07-01Whiwhi kuputuhi katoa<b>Background/Objectives</b>: Accurate classification of brain tumors is critical for treatment planning and prognosis. While deep convolutional neural networks (CNNs) have shown promise in medical imaging, few studies have systematically compared multiple architectures or integrated ens...
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7
A 50-m/40 Gb/s 680-nm VCSEL-Based FSO Communication
I whakaputaina 2016-01-01Whiwhi kuputuhi katoaA 50-m/40-Gb/s 680-nm vertical-cavity surface-emitting laser (VCSEL)-based free-space optical (FSO) communication employing three-stage injection-locked technique and the afocal scheme is proposed and experimentally demonstrated. The three-stage injection-locked technique, which can significantly in...
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8
Fiber-Wireless and Fiber-IVLLC Convergences Based on MZM-OEO-Based BLS
I whakaputaina 2016-01-01Whiwhi kuputuhi katoaFiber-wireless and fiber-invisible laser light communication (IVLLC) convergences that adopt the Mach–Zehnder modulator-optoelectronic oscillator (MZM-OEO)-based broadband light source for microwave (MW)/millimeter-wave (MMW)/baseband (BB) signal transmission are proposed and demonstrated...
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An 8 m/9.6 Gbps Underwater Wireless Optical Communication System
I whakaputaina 2016-01-01Whiwhi kuputuhi katoaAn 8 m/9.6 Gbps underwater wireless optical communication (UWOC) system based on a two-stage injection-locked 405 nm blue light laser diode (LD) transmitter with a 16-quadrature amplitude modulation (QAM)-orthogonal frequency-division multiplexing (OFDM) modulating s...
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10
Integrating Tiny Machine Learning and Edge Computing for Real-Time Object Recognition in Industrial Robotic Arms
I whakaputaina 2025-05-01Whiwhi kuputuhi katoaBy integrating visual recognition technology and multi-object recognition into robotic arms, the flexibility and automation of the production process were improved in this study. By applying tiny machine learning (TinyML) and machine vision algorithms, we integrated edge computing devices to control...
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11
A High-Speed 84 Gb/s VSB-PAM8 VCSEL Transmitter-Based Fiber–IVLLC Integration
I whakaputaina 2018-01-01Whiwhi kuputuhi katoaA high-speed 84 Gb/s vestigial sideband (VSB)–eight-level pulse amplitude modulation (PAM8) fiber-invisible laser light communication (IVLLC) integration based on vertical-cavity surface-emitting laser (VCSEL) transmitter with injection locking scheme is proposed. To the author...
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12
An 82-m 9 Gb/s PAM4 FSO-POF-UWOC Convergent System
I whakaputaina 2019-01-01Whiwhi kuputuhi katoaWith the increasing demand for free-space/underwater environmental monitoring, disaster precaution, and manufacturing industry applications, free-space optical (FSO)-plastic optical fiber (POF)-underwater wireless optical communication (UWOC) convergence is designed to be a promising framework for p...
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13
WDM Free-Space Optical Communication System of High-Speed Hybrid Signals
I whakaputaina 2018-01-01Whiwhi kuputuhi katoaA wavelength-division-multiplexing (WDM) free-space optical (FSO) communication system of a high-speed hybrid signal is proposed and demonstrated in this study. This study is the first to transmit a high-speed hybrid signal mixed with four wavelengths that are modulated with different signals, namel...
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A High-Speed and Long-Reach PAM4 Optical Wireless Communication System
I whakaputaina 2018-01-01Whiwhi kuputuhi katoaA high-speed (400 Gb/s) and long-reach (180 m) four-level pulse amplitude modulation (PAM4) optical wireless communication system employing Mach–Zehnder modulator (MZM)-optoelectronic oscillator (OEO) broadband light source (BLS) and doublet lenses is proposed. Analy...
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15
Real-Time Detection and Process Status Integration System for High-Pressure Gas Leakage
I whakaputaina 2025-05-01Whiwhi kuputuhi katoaThis study aims to develop a real-time gas leak detection system for application in gas cylinder filling machines. To promptly recover gas during leakage incidents, the efficiency of the gas filling process was improved by reducing resource wastage. The system utilized a Raspberry Pi with a camera f...
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16
A 50-m/320-Gb/s DWDM FSO Communication With Afocal Scheme
I whakaputaina 2016-01-01Whiwhi kuputuhi katoaThis paper proposes and presents the experimental demonstration of 320-Gb/s free-space optical (FSO) communication based on dense-wavelength-division-multiplexing (DWDM) technology and afocal scheme. To the best of our knowledge, this is the first one that adopts DWDM technology and afocal scheme to...
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17
A 56 Gb/s PAM4 VCSEL-Based LiFi Transmission With Two-Stage Injection-Locked Technique
I whakaputaina 2017-01-01Whiwhi kuputuhi katoaA 56 Gb/s four-level pulse amplitude modulation (PAM4) light-based WiFi (LiFi) transmission based on a 680-nm/5.4-GHz vertical-cavity surface-emitting laser (VCSEL) with a two-stage injection-locked technique is proposed and demonstrated. Experimentally results show that a 5.4-...
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18
A 5 m/25 Gbps Underwater Wireless Optical Communication System
I whakaputaina 2018-01-01Whiwhi kuputuhi katoaA 25-Gbps underwater wireless optical communication (UWOC) system with a two-stage injection-locked 680-nm red-light vertical-cavity surface-emitting laser (VCSEL) transmitter to enhance the frequency response and a laser beam expander to expand the collimated beam diameter over a 5-m highly turbid...
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19
A Flexible Two-Way PM-Based Fiber-FSO Convergence System
I whakaputaina 2018-01-01Whiwhi kuputuhi katoaThis paper aims to propose and conduct a practical demonstration of a flexible two-way phase modulation (PM)-based fiber-free-space optical (FSO) convergence system employing one optical carrier transmission scheme and vertical cavity surface emitting laser (VCSEL)-based tunable optical band-pass fi...
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20
A 103.12-Gb/s WDM PAM4 VCSEL-Based Transmission With Light Injection and Optoelectronic Feedback Techniques
I whakaputaina 2017-01-01Whiwhi kuputuhi katoaA 103.12-Gb/s wavelength-division-multiplexing (WDM) four-level pulse amplitude modulation (PAM4) transmission based on 850-nm and 880-nm vertical-cavity surface-emitting lasers (VCSELs) with light injection and optoelectronic feedback techniques is proposed and experimentally demonstrate...
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