A5102346650- Spectroscopy and Chemometric Analyses
- Metamaterials and Metasurfaces Applications
- Plasmonic and Surface Plasmon Research
- Terahertz technology and applications
- Industrial Vision Systems and Defect Detection
- Advanced Chemical Sensor Technologies
- Advanced Measurement and Detection Methods
- Surface Roughness and Optical Measurements
- Water Quality Monitoring and Analysis
- Spectroscopy Techniques in Biomedical and Chemical Research
- Remote Sensing and Land Use
- Meat and Animal Product Quality
- Advanced Algorithms and Applications
- Advanced Antenna and Metasurface Technologies
- Photonic and Optical Devices
- Antenna Design and Analysis
- Antenna Design and Optimization
- Millimeter-Wave Propagation and Modeling
- Image and Object Detection Techniques
- Thermal Radiation and Cooling Technologies
- Radio Astronomy Observations and Technology
- Dyeing and Modifying Textile Fibers
- Granular flow and fluidized beds
- Photonic Crystal and Fiber Optics
- Magnetic Field Sensors Techniques
Beijing Jiaotong University
2023-2025
Inner Mongolia Agricultural University
2007-2025
Hebei University of Technology
2025
Inner Mongolia Autonomous Region Meteorological Bureau
2024
Mongolian University of Life Sciences
2024
China Electric Power Research Institute
2019-2023
Huazhong University of Science and Technology
2023
Inner Mongolia Normal University
2023
Tianjin University of Finance and Economics
2023
Wenzhou University
2022
This study explored a corn quality detection method based on surface-enhanced Raman spectroscopy (SERS) and electronic nose technology. The content of aflatoxin (AFB1) ochratoxin (OTA) in samples was detected by fluorescence immunoassay as the basic data for experiment. Subsequently, SERS curve measured, used to analyze odor samples. Combining relationship between curves, data, toxin corn, prediction model established using random forest (RF) method. results showed that model’s coefficient...
Food safety is an important consideration for the food industry and daily life, additives are essential in modern industry. Graphene-based metamaterial sensors of great value have potential applications detection additives, due to their ultra-sensitivity. This paper proposes a metasurface sensor consisting graphene dual elliptical ring resonators (Gr-DERRs) two common additives. The limit (LOD) Sudan I solution 581.43 fg/ml and, taurine, 52.86 fg/ml. ultra-sensitive achieved by exploiting...
Efficient and rapid identification of corn mildew levels is essential for proper storage transportation. This study utilized surface-enhanced Raman spectroscopy (SERS) to obtain spectral fingerprints moldy corn, combined with multi-class support vector machines (SVM) detection. Spectral data were preprocessed using the Savitzky-Golay smoothing method, principal component analysis (PCA) was applied extract top five components. Feature peaks identified partial least squares discriminant...
Abstract The strong‐coupling microcavity between excitons and photons facilitates efficient modulation control of light, as well precise manipulation photon propagation properties. This phenomenon demonstrates significant potential for diverse applications in quantum information processing, optical sensing, nonlinear optics. anapole, a specific type captured state, allows effective over the electromagnetic field through appropriate distributions current charge, generating substantial...
The increasing development of information technology has led to a higher demand for communication capacity. Moreover, the mode division multiplexing (MDM) is considered one important technologies expand optical fiber transmission capacity, and few-mode erbium-doped amplifier (FM-EDFA) main device applied loss compensation under long-haul systems. This paper reports design characterization six-mode (6M-EDFA) MDM A center-depressed with trench-assisted structure, designed adjustment relevant...
The combined application of metasurface and terahertz (THz) time-domain spectroscopy techniques has received considerable attention in the fields sensing detection. However, to detect trace samples, THz wave must still be enhanced locally using certain methods improve detection sensitivity. In this study, we proposed experimentally demonstrated a fano resonance metasurface-based silver nanoparticles (FaMs-AgNPs) sensor. AgNPs can enhance sensitivity sensor by generating charge accumulation...
An online surface inspection system of hot rolled strips is introduced. This designed to detect such main defects on as scar, scratches, pits, cracks, cross hatchings, and so on. Multiple CCD area scan cameras are adopted capture images strip simultaneously, all the processed by parallel computation real-time, which supported fast image process techniques techniques, in order snap defect regions strips. At last, will be classified several types. The application a practical production line...
Measurement of electric fields is crucial for the evaluation electromagnetic environment in power transmission system. Due to limited corridor resources, hybrid lines including high-voltage alternating current and direct (HVAC/HVDC) are more common nowadays. However, commonly used field-mill field sensors (DC EFSs) can only be beneath HVDC emergence (AC) has adversely affected measurement results recorded by DC EFS. In this work, a EFS was designed that capable measuring ground-level...
Considering defects of hot rolled strips are hard to be recognized by human eyes under high speed and strong noise disturbance circumstances, automatic recognition technique is discussed, traditional space-domain feature set very extracted, spectrum images researched in depth firstly extracted three types features including Crisscross Region Feature Set which contains 240 origin features, Sum Valid Pixels (SVP) Repletion Ratio Centre (RRCR), secondly optimized the genetic algorithm get a...
A novel, efficient image processing method is proposed here for extraction of pavement cracks from fuzzy and discontinuous images. Pavement surface images obtained by CCD array, where are often blurry due to particle materials surface, crack degradation unreliable shadows. Firstly, series preprocessing including using histogram specification, dealing with Canny-HBT filter, brightness non-uniformity correction contrast enhancement implemented, as the aim enhance differences between...
In this study, a hybrid amorphous strontium titanate (STO) and terahertz metasurface were studied. Because of the excellent physical properties STO, such as its dielectric high transmittance in region, it plays core role realizing novel (THz) temperature sensor with performance range 500-608 K. A blue shift absorption peaks appeared for THz wave increased, which confirmed temperature-sensing function. The mechanisms underlying phenomenon also investigated. After optimization, best...
The quality detection of alfalfa hay is crucial for the development animal husbandry. In this study, a method based on fusion multisource information including near-infrared spectroscopy, image processing techniques, and electronic nose proposed. After SG convolution smoothing, feature wavelengths were extracted using Competitive Adaptive Re-weighting Scheme Successive Projections Algorithm from spectral data. data denoised adaptive wavelet thresholding, color texture features histograms...
Ion-current density is a significant indicator of electromagnetic environment under high voltage direct current lines. To improve measurement accuracy and convenience, this paper concluded factors that affect results wireless method was proposed. Wilson plate kind sensor designed according to the IEEE standard. The ion measured digitalized by device, signal transmitted computer via networks. data were analyzed recorded automatic software. Finally, system calibrated some field tests had been...
The electric field environment under high-voltage direct current (HVDC) transmission lines is an important design consideration. In the wireless sensor networks for measurement system HVDC lines, it necessary to obtain distribution with multiple sensors. accurate localisation of sensing nodes essential analysis results. However, most techniques are limited constant fixed and known path-loss exponent. Here, authors report a method based on received signal strength indication unknown exponent...
The electromagnetic environment of UHV project keeps a close relationship with the protection and cost, so it would catch full attention after its operation. To well research level discipline AC transmission line, detailed test in widen areas was carried out, including power frequency electric field, magnetic field radio interference. results showed that, measurement values were basically same as theoretical calculation results. distribution interference consistent result, but there...