Search Results - Ming Luo
-
1
On the Export Quality Upgrade of China's Leather Shoes: Empirical Test based on Price Perspective
Published 2024-11-01Get full textChina is a big exporter of leather shoes in the world, but its products are mainly located in the low-end market. In recent years, China has been committed to promoting the upgrading of shoe-making industry and improving export quality, and its effectiveness is worthy of attention. Based on the pane...
Article -
2
Attributes Influencing Visitors’ Experiences in Conservation Centers with Different Social Identities: A Topic Modeling Approach
Published 2025-06-01Get full textThe importance of charismatic flagship species (CFSs) in efforts to raise public awareness of conservation has been widely recognized. However, the effect of differences in social identities on shaping visitors’ experiences remains underexplored, although these differences can inform the development...
Article -
3
Balanced Detection of 100-Gb/s Optical OFDM Signals With SSBI Cancellation Based on Fused-Type Fiber Mode-Selective Coupler
Published 2018-01-01Get full textWe propose a signal-to-signal beating interference (SSBI) cancellation scheme in two-mode fiber (TMF) transmission system based on balanced detection without requirement of a guard band. The SSBI can be eliminated based on the mode selectivity characteristic of mode coupler. The mode selectivity in...
Article -
4
Inhibiting Factors Affecting Metaverse Convention Tourism in Macau
Published 2025-06-01Get full textThis study thoroughly investigated the inhibiting factors pertaining to the development of metaverse convention tourism in Macau through a qualitative investigation. This study employed semi-structured interviews and data that were analyzed using NVivo software 14 through a grounded theory approach,...
Article -
5
Prediction of Surface Roughness of End Milling for Cycloidal Gears Based on Orthogonal Tests
Published 2018-08-01Get full textEnd milling method is applied to machining of cycloidal gears to improve the cutting quality and efficiency. The influence of milling parameters on the surface roughness is investigated based upon orthogonal tests with the four factors and four levels, as well as analysis of range and variance. A mo...
Article -
6
Transmission of 64-Gb/s Pilot-Assisted PAM-4 Signal Over 1440-km SSMF With Phase Noise Mitigation
Published 2019-01-01Get full textWe propose a direct detection scheme for pulse amplitude modulation (PAM) signals over long-reach fiber transmission with phase noise mitigation. In this scheme, an optical carrier is transmitted as pilot together with the optical signal, whose frequency is located at the edge of the optical signal....
Article -
7
MRI-based multiregional radiomics for preoperative prediction of Ki-67 expression in meningiomas: a two-center study
Published 2025-07-01Get full textBackgroundHigh expression of Ki-67 in meningioma is significantly associated with higher histological grade and worse prognosis. The non-invasive and dynamic assessment of Ki-67 expression levels in meningiomas is of significant clinical importance and is urgently required. This study aimed to devel...
Article -
8
Study on Densification and Corrosion Resistance of Conversion Coatings on Magnesium Alloy Wheel Hubs Surface
Published 2021-03-01Get full textIn order to improve the corrosion resistance of magnesium alloy wheel hub, a low - cost, environmentally friendly and corrosion - resistant conversion coating was prepared on the surface of magnesium alloy wheel hub. The effects of subsequent densification temperature and time on the morphology and...
Article -
9
Melatonin treatment induces chilling tolerance by regulating the contents of polyamine, γ-aminobutyric acid, and proline in cucumber fruit
Published 2021-11-01Get full textThe mechanism of melatonin (MT) induced chilling tolerance in harvested cucumber fruit was investigated at commercial maturity. In this study, cucumber fruits were treated with 100 µmol L–1 MT at 4°C and 90% relative humidity for 15 d of storage. In comparison with the control, cucumber treatment wi...
Article -
10
Digital OFDM-PON Based on Delta–Sigma Modulation Employing Binary IM-DD Channels
Published 2017-01-01Get full textIn this paper, a delta–sigma modulation is proposed for the orthogonal frequency division multiplexed-passive optical network (OFDM-PON) to enable transmission of OFDM signals via binary intensity modulation and direct detection (IM-DD) channels. The delta–sigma modulation is a...
Article -
11
IM/DD-Based 112-Gb/s/lambda PAM-4 Transmission Using 18-Gbps DML
Published 2016-01-01Get full textSingle-channel 112-Gb/s PAM-4 transmission based on low-cost intensity modulation and direct detection (IM/DD) optics is experimentally demonstrated over 1-km standard single-mode fiber. By employing a digital precompensation, duobinary encode/decoding with PAM-4 signal and 7-level training-sequence...
Article -
12
Dual-Channel AND Logic Gate Based on Four-Wave Mixing in a Multimode Silicon Waveguide
Published 2017-01-01Get full textWe experimentally demonstrate on-chip dual-channel all-optical AND logic operations based on four-wave mixing (FWM) for on-off keying (OOK) signals in a multimode silicon waveguide. A two-mode (de)multiplexing circuit consisting of tapered directional coupler-based (de)multiplexers and a multimode w...
Article -
13
Source Apportionment and Ecological-Health Risk Assessments of Potentially Toxic Elements in Topsoil of an Agricultural Region in Southwest China
Published 2025-06-01Get full textSoil potentially toxic element (PTE) contamination remains a global concern, particularly in rural agricultural regions. This study collected 157 agricultural topsoil samples within a rural area in SW China. Combined with multivariate statistical analysis in the compositional data analysis (CoDa) pe...
Article -
14
Influence of Host Shift on Genetic Differentiation of the Oriental Fruit Fly, Bactrocera dorsalis
Published 2014-12-01Get full textInvasion of the oriental fruit fly, Bactrocera dorsalis, into new niches containing different food sources (a process referred to as host shift), may cause population genetic differentiation and sympatric speciation. To attempt to infer that experimentally, test populations were established by trans...
Article -
15
Digital Code-Division Multiplexing Channel Aggregation for Mobile Fronthaul Architecture With Low Complexity
Published 2018-01-01Get full textA low-complexity mobile fronthaul architecture via digital code-division multiplexing (CDM) is proposed to enable channel aggregation of 4G-LTE signals. In comparison with traditional frequency division multiplexing based aggregation scheme, the fast Fourier transformation/inverse fast Fo...
Article -
16
Blockchain‐Empowered H‐CPS Architecture for Smart Agriculture
Published 2025-07-01Get full textAbstract This study integrates blockchain technology into smart agriculture to enhance its productivity and sustainability. By combining blockchain with remote sensing, artificial intelligence (AI), and the Internet of Things (IoT), a Human‐Cyber‐Physical System (H‐CPS) architecture tailored for agr...
Article -
17
Interference Fading Mitigation in Coherent <inline-formula><tex-math notation="LaTeX">$\Phi$</tex-math></inline-formula>-OTDR Based on Subband Phase-Shift Transform
Published 2023-01-01Get full textIn this paper, an interference fading mitigation method based on subband phase-shift transform in coherent phase-sensitive optical time-domain reflectometer (<inline-formula><tex-math notation="LaTeX">$\Phi$</tex-math></inline-formula>-OTDR) is proposed. The operati...
Article -
18
1.7 to 2.3 Gbps OOK LED VLC Transmission Based on 4 × 4 Color-Polarization-Multiplexing at Extremely Low Illumination
Published 2019-01-01Get full textTo achieve the high traffic rate of a GaN LED-based visible light communication (VLC), a 4 × 4 color-polarization-multiplexing system is demonstrated by using two blue and two green LEDs. In the measurement, an available bandwidth of blue and green LEDs can be greate...
Article -
19
MSAN-Net: An End-to-End Multi-Scale Attention Network for Universal Industrial Defect Detection
Published 2025-01-01Get full textWith the rapid advancement of automation and intelligence in the electronics manufacturing industry, the throughput of a single production line was grown exponentially. Although high efficiency brought significant cost and time advantages, it also led to two major challenges: <xref ref-type="...
Article -
20
Modeling of Nonlinear Interference in the Same- Wavelength Bidirectional Coherent Fiber Communication Systems
Published 2023-01-01Get full textA detailed theoretical study is conducted on the nonlinear interference in the same-wavelength bidirectional coherent optical fiber communication systems. The Gaussian noise (GN) model used to evaluate nonlinear interference (NLI) in unidirectional systems is applied and extended to bidirectional tr...
Article