501 hasil
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Xi'an Gongcheng Daxue xuebao
ISSN 1674-649X · Editorial Office of Journal of XPU · 501 artikel di indeks
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Artikel Jurnal
Bifurcation of a predator-prey system with Smith growth and diffusion
A predator-prey system with Smith growth and diffusion under Neumann boundary conditions was discussed.Firstly, a priori estimate of the positive steady state was given and the Turing instability of positive equilibrium was discussed.Secondly, the local bifurcations under single eigenvalues were…
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Artikel Jurnal
Multiple bifurcations of a Leslie-type predator-prey model with additional food in predators
To investigate the impact of additional food for predators, a Leslie-Gower type predator-prey model with a Holling type Ⅲ functional response is established, assuming that the predator has multiple food sources.By applying the fundamental theorem of differential equations, the existence of multiple…
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Artikel Jurnal
Optimization method of high-voltage switchgear temperature measurement points based on overheating fault simulation
In practical work, users have insufficient attention to thermal faults in high-voltage switchgear and there are defects in the method of selecting temperature measurement points, which makes it impossible to timely warn potential thermal faults, resulting in an increasing trend of overheating…
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Artikel Jurnal
A multi-scale object tracking method based on kernelized correlation filter
In response to the lack of scale adaptation mechanism in traditional kernelized correlation filter (KCF) tracking algorithms, which significantly reduces tracking performance in scenarios such as target occlusion, motion blur, and scale changes, this paper proposed an improved KCF multi-scale…
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Artikel Jurnal
Ship target detection for synthetic aperture radar images based on LSK-YOLO algorithm
In the ship target detection of synthetic aperture radar (SAR) images, the issues of ignoring background information and low detection accuracy under multi-scale conditions were prevalent.To address these challenges, a novel LSK-YOLO algorithm was proposed by combining the large selective kernel…
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Artikel Jurnal
High-precision measurement method of electrical resistivity in metal materials with tiny sizes by using the four-point probe technique
To achieve high-precision electrical resistivity measurements of metal samples with tiny size, pure iron specimens were investigated using a high-sensitivity four-probe resistivity meter. Measurements were conducted under varying input currents, connection configurations (single-current mode vs…
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Artikel Jurnal
Hybrid control strategy for photovoltaic grid-connected inverters meeting low voltage ride through requirements
When photovoltaic grid-connected inverters adopt voltage-oriented control (VOC), their dynamic response is slow, struggling to meet the national standard requirements for lowvoltage ride-through (LVRT) capability in photovoltaic power generation systems.To address these issues, this paper proposed…
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Artikel Jurnal
Research on server operation data outlier detection based on sliding window
The high volume of server data and noise interference seriously affect the accuracy of outlier detection, posing challenges to the stable operation and fault prevention of servers. Therefore, in order to improve detection accuracy and data quality, a new outlier detection method is proposed.This…
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Artikel Jurnal
Sensorless intelligent inspection technology based on adaptive adjustment of drone gimbal angle
Traditional power grid inspection methods have low accuracy and are prone to missed inspections.In order to improve the performance of intelligent inspection for power grid safety and insensitivity, a new inspection technology is proposed.Firstly, this paper analyzed the prob lems of sensorless…
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Artikel Jurnal
Fabric defect detection integrating Gabor operator and generative reconstruction difference
Addressing the issues such as false detection and missed detections caused by complex fabric background texture interference in fabric defect detection, we proposed fabric defect detection method that integrates the Gabor operator with generative reconstruction difference. The multi-scale Gabor…
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Artikel Jurnal
An optimal allocation method for energy storage supply guarantee capacity based on the system balance mechanism
In the planning and design of new energy generation systems, optimizing the configuration of energy storage capacity and power is the key to ensuring the safe and stable operation of the power system.In response to the current lack of rigorous mathematical foundations and com plex calculation…
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Artikel Jurnal
Electromechanical transient equivalent modeling of photovoltaic power station based on improved genetic particle swarm optimization algorithm
With the concentrated development of large-scale photovoltaic power stations and the increasing demand for long-distance transmission, the grid's grid connection performance is facing unprecedented challenges.To ensure the safety and stability of the grid, accurately assessing and predicting the…
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Artikel Jurnal
Image classification method of small-sample cashmere and wool fiber based on multi-dimensional features
The problems of feature overfitting, small inter-class differences, and the inability to effectively decompose similar features lead to a relatively low classification accuracy in the classification task of cashmere and wool fiber images under the condition of insufficient samples.A fewshot…
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Artikel Jurnal
Development and application status of cotton fiber model in numerical simulation
As an important economic crop, cotton is widely used in textile, medical and environ mental protection fields due to its soft, breathable and environmentally friendly characteristics. The dynamic characteristics of cotton fibers affect the structure and properties of yarns and fabrics.With the…
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Artikel Jurnal
Implementation scheme of full-bridge boost converter with ZVZCS based on PWM and phase-shift control
The full-bridge boost (FB-Boost) converter combines the characteristics of both stepup and step-down conversion, low conduction losses, electrical isolation, and soft switching, mak ing it suitable for applications requiring a wide voltage range, high power density, and electrical…
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Artikel Jurnal
A review of garment generation research: From unimodal control to multimodal perception
Garment generation aims to generate corresponding garments based on input conditions such as captions, sketches, segmentation maps, and texture maps.This technology has significant potential for applications in various fields, including personalized garment customization, fashion recommendation…
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Artikel Jurnal
Quality optimization method based on dynamic interpolation and adaptive image enhancement
In response to the motion blur and visual interference problems resulting from the high-speed movement of unmanned aerial vehicles (UAVs), this paper presents a quality optimization method based on dynamic interpolation and adaptive image enhancement. First, a dynamic blur kernel is constructed in…
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Artikel Jurnal
User access data mining based on relative position self-attention mechanism
User access behavior changes over time and in the environment, making it difficult to accurately capture data features and affecting the effectiveness of user access data mining.There fore, a new user access data mining method was proposed in the article.Firstly, Z-score and mean imputation methods…
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Artikel Jurnal
An improved YOLOv8 ceramic ring defect detection algorithm
To achieve efficient and high-precision defect detection of ceramic rings, this paper improves YOLOv8 and proposes a new ceramic ring defect detection algorithm, namely YOLOv8SDE algorithm.Firstly, in order to improve computational efficiency and increase the algorithm's attention to ceramic ring…
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Artikel Jurnal
Preparation of mobile micro-arc oxidation coatings by multi-cathode cross discharge method
Aimed at the problems of low processing efficiency and poor film-forming uniformity existing in the current mobile micro-arc oxidation (MMAO) when processing large-area workpieces, based on the preparation of MMAO films by combining multiple cathodes, a MMAO machine was used to explore the coupling…