A5077092506- Antenna Design and Analysis
- Microwave Engineering and Waveguides
- Antenna Design and Optimization
- Advanced Antenna and Metasurface Technologies
- Spectroscopy and Chemometric Analyses
- Smart Agriculture and AI
- Advanced Sensor and Control Systems
- Advanced Algorithms and Applications
- Microgrid Control and Optimization
- Advanced DC-DC Converters
- Advanced Chemical Sensor Technologies
- Multilevel Inverters and Converters
- Access Control and Trust
- Advanced Neural Network Applications
- Recommender Systems and Techniques
- Pesticide Residue Analysis and Safety
- Remote Sensing in Agriculture
- Advanced Vision and Imaging
- Mycotoxins in Agriculture and Food
- Food Safety and Hygiene
- Power Systems and Renewable Energy
- Pharmacological Effects and Assays
- Horticultural and Viticultural Research
- Remote Sensing and LiDAR Applications
- Human Mobility and Location-Based Analysis
Hebei University of Economics and Business
2025
Hebei Agricultural University
2015-2025
Dalian University of Technology
2025
Hefei Institutes of Physical Science
2022-2025
Chinese Academy of Sciences
2022-2025
Xi'an Jiaotong University
2006-2024
Electric Power Research Institute
2024
Shanghai Electric (China)
2024
Shandong Academy of Forestry
2022-2024
Harbin Medical University
2024
The recently-developed DETR approach applies the transformer encoder and decoder architecture to object detection achieves promising performance. In this paper, we handle critical issue, slow training convergence, present a conditional cross-attention mechanism for fast training. Our is motivated by that in relies highly on content embeddings localizing four extremities predicting box, which increases need high-quality thus difficulty.Our approach, named DETR, learns spatial query from...
The current study was carried out to provide a reference for the control of mycotoxin contamination in feed ingredients and complete feeds swine.A total 55 ingredients, including 14 corn, 13 wheat bran, 11 soybean meal 17 dried distillers grains with solubles (DDGS) as well 76 swine 7 creep feeds, starter grower 18 grower-finisher 10 gestating sow lactating were randomly collected from 15 farms located Beijing region China July August 2011. Immunoaffinity clean-up, using High-Performance...
Traditionally, the classification of seed defects mainly relies on characteristics color, shape, and texture. This method requires repeated extraction a large amount feature information, which is not efficiently used in detection. In recent years, deep learning has performed well field image recognition. We introduced convolutional neural networks (CNNs) transfer into quality seeds compared them with traditional machine algorithms. Experiments showed that algorithm was significantly better...
Standalone solar PV systems have emerged as potential alternatives to electricity problems in areas where a grid is unavailable. Obtaining full power from photoelectric system, DC-DC inverter, DC-AC converter, and control system presents great difficulties when building these devices. A standalone two-stage approach introduced this work with boost converter followed by an inverter battery bidirectional converter. In paper, novel virtual synchronous generator (VSG) controller designed...
In the present study, 168 pesticides in 1,017 samples of 10 Chinese herbal medicines (CHMs) were simultaneously determined by high-performance liquid (HPLC-MS/MS) and gas (GC-MS/MS) chromatography-tandem mass spectrometry. A total 89.2% encompassed one or multiple pesticide residues, residue concentrations 60.5% less than 0.02 mg kg-1, revealing relatively low levels. The hazard quotient index methods used to estimate health risk for consumers. For a more accurate assessment, exposure...
This paper points out the low accuracy of traditional fundamental harmonic approximation (FHA) in predicting gain characteristics and resonant behaviors full-bridge isolated bidirectional CLLC converter, which results great impediments optimally designing tank parameters. Given these drawbacks FHA for this proposes a novel operation mode analysis converter. Compared with FHA, not only explains appearance various modes, but also provides accurate description behaviors. Based on typical...
ABSTRACT Introduction We report a rapid and accurate method to determine the natural occurrence of aflatoxins (AFs) B1, B2, G1 G2 in medicinal herbs analysis 174 commercial samples by this method. Objective The aim present work is examine common herbs. Methodology AFs were extracted, purified immunoaffinity column analysed high‐performance liquid chromatography–tandem quadrupole mass spectrometry with electrospray ionisation (HPLC–MS/MS). Results can be separated within 6 min using an...
Three-phase voltage-source pulse width modulation (PWM) rectifier has been widely employed in various industrial applications. For the traditional dual-loop PI control of three-phase PWM rectifier, voltage loop and current have poor disturbance rejection performance long response time. A linear active (LADRC) strategy is proposed for this paper. The coupling variable external model are observed compensated by extended state observer (LESO) two-phase synchronous reference frame. LADRC...
The synthesis of irregular phased arrays subject to constraint on directivity is fulfilled by convex optimization. In particular, based the membership between antenna elements and subarrays, dictionary matrix, resulting sparse excitation vector, binary vector are introduced describe array pattern exact tiling aperture. Therefore, without overlaps holes satisfying given maximum sidelobe level (SLL) minimum can be summarized as a mixed integer nonconvex programming problem, where both subarray...
Grape white rot, a devastating disease of grapevines caused by Coniella diplodiella (Speg.) Sacc., leads to significant yield losses in grape. Breeding grape cultivars resistant rot is essential reduce the regular use chemical treatments. In recent years, Chinese species have gained more attention for breeding due their high tolerance various biotic and abiotic factors along with changing climatic conditions. this study, we employed whole-genome resequencing (WGR) genotype parents 'Manicure...
Phenylethanolamine A (PEAA) is a phenethanolamine member of the family β-adrenergic agonists (β-agonists) compounds. To determine PEAA residues, we established rapid direct competitive enzyme-linked immunosorbent assay (ELISA) using polyclonal antibody produced with immunogen PEAA-HSA conjugate. The showed high sensitivity, where IC(50) and limit detection were 0.3 0.02 μg/L, respectively. specificity was evaluated by measurement cross-reactivity 15 β-agonists data demonstrated that highly...
Tourism recommendation systems play a vital role in providing useful travel information to tourists. However, existing rarely aim at recommending tangible itineraries for tourists within specific POI due their lack of onsite behavioral data and related route mining algorithms. To this end, novel system is proposed, which collects tourist behavior automatically regarding based on smart phone IoT technology. Then, the proposed preprocesses transform raw sequences into Tourist-Behavior pattern...
Abstract Fennel contains many antioxidant and antibacterial substances, it has very important applications in food flavoring other fields. The kinds contents of chemical substances fennel vary from region to region, which can affect the taste efficacy its derivatives. Therefore, is great significance accurately classify origin fennel. Recently, detection methods based on deep networks have shown promising results. However, existing spend a relatively large time cost, drawback that fatal for...
The phenotypic parameters of crop plants can be evaluated accurately and quickly using an unmanned aerial vehicle (UAV) equipped with imaging equipment. In this study, hundreds images Chinese cabbage (Brassica rapa L. ssp. pekinensis) germplasm resources were collected a low-cost UAV system used to estimate width, length, relative chlorophyll content (soil plant analysis development [SPAD] value). super-resolution generative adversarial network (SRGAN) was improve the resolution original...
Food safety problems are becoming increasingly severe in modern society, and establishing an accurate food risk warning analysis model is of positive significance avoiding accidents. We propose algorithmic framework that integrates the analytic hierarchy process based on entropy weight (AHP-EW) autoencoder-recurrent neural network (AE-RNN). Specifically, AHP-EW method first used to obtain percentages each detection index. The comprehensive value product samples obtained by weighted summation...
In the process of rice production and storage, there are many defects in traditional detection methods appearance quality, but using modern high-precision instruments to detect quality has gradually developed into a new research trend at home abroad with development agricultural artificial intelligence.In this study, we independently designed fast automatic system based on machine vision technology by introducing convolutional neural network image processing technology. NIR RGB images were...
Existing maize production is grappling with the hurdles of not applying nitrogen fertilizer accurately due to subpar detection accuracy and responsiveness. This situation presents a significant challenge, as it has potential impact optimal yield ultimately, profit margins associated its cultivation. In this study, an automatic modeling prediction method for content in leaves was proposed based on machine vision convolutional neural network. We developed program designed streamline image...