Search Results - Y. Zhang

Abstract The investigation of ocean striations holds significant value for a comprehensive understanding of the complex multi‐scale ocean circulations and the transfer of energy and matter between them. Through comparative studies of the open oceans and marginal seas, we have identified notable diff...

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This article is devoted to the secondary functions of rhetorical questions with interrogative adverbs где , куда and откуда . It is shown for the first time that these rhetorical questions can be used to substantiate the speaker’s opinion, support the addressee’s words, express refusal, objection or...

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This paper describes an optimal torque per peak current control method for a five-phase permanent magnet (PM) machine considering both <inline-formula> <tex-math notation="LaTeX">$3^{\mathrm {rd}}$ </tex-math></inline-formula> and <inline-formula> <tex-math...

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The rapid advancement of the metaverse, digital twins, and robotics underscores the demand of low-cost, portable mapping systems for reality capture. Current mobile solutions, such as the Leica BLK2Go and lidar-equipped smartphones, either come at a high cost or are limited in range and accuracy. Le...

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This study investigates the application of point cloud data for identifying and analyzing scratch patterns on walls within underground parking lots. As parking demands increase, narrow passages, intricate turns, and suboptimal layouts in parking facilities heighten minor collision risks, leading to...

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By combining a trifunctional urethane acrylate synthesized from a hexamethylene diisocyanate trimer and caprolactone acrylate with a bifunctional urethane acrylate prepared from hydroxyethyl acrylate and isophorone diisocyanate, a new reactive resin mixture was prepared, and trimethylolpropane triac...

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editorial

<p>Classification is beneficial for understanding flood variabilities and their formation mechanisms from massive flood event samples for both flood scientific research and management purposes. Our study investigates comprehensive manageable flood event classes from 1446 unregulated flood even...

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With the advancement of urbanization, building footprint data plays an important role in urban planning, 3D Real Scene and smart cities. Traditional manual contouring methods are time-consuming and laborious, while deep learning-based building extraction methods often require a large amount of label...

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In the context of rapid urbanization, traffic noise pollution has emerged as a critical environmental issue. This study proposes an innovative three-dimensional dynamic noise mapping method addressing existing technical challenges in noise modeling and visualization. The key innovations include: Uti...

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Detecting public transit signs in urban environments is a complex and challenging task due to the significant variability of these signs across different regions and cities. Unlike standardized traffic signs, transit signs often vary considerably, requiring adaptable and robust solutions for effecti...

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In this paper, supercritical hydrogen treatment is used to passivate the defects of normally-on type AlGaN/GaN high electron mobility transistors. By comparing the electrical characteristics of devices before and after the experiment, the treated devices have shown larger on-state current, a negativ...

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Polyhydroxyalkanoates are a family of natural polyesters being produced as intracellular carbon and energy reserves by a wide variety of microorganisms. They have developed rapidly in both research and development efforts globally in the last 15 years. Till now, over 100 different types of PHAs have...

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Autonomous vehicles perceive their surroundings through sensors such as LiDAR. However, snowflakes are distributed within the detection range of LiDAR sensors in snowy weather, generating noise points that compromise the sensor's detection performance. To mitigate this issue, we propose SnowSTN...

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Lidar technology is widely used in the field of autonomous driving by virtue of its high precision. However, under special weather conditions such as rain, snow, fog, etc., suspended particles in the air can contaminate the point cloud data collected by LIDAR, which leads to a significant performanc...

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The A-site rare earth-doped Bi4Ti3O[Formula: see text] (BTO) has been highly interested in nonvolatile ferroelectric random memory devices, piezoelectric devices, electro-optical devices, capacitors, sensors, transducers, etc., due to its low coercive field and superior fatigue resistance properties...

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<p>Atmospheric brown carbon (BrC) can significantly affect Earth's radiation budget by its wavelength-dependent absorption in the ultraviolet–visible (UV–vis) range. BrC consists of a wide variety of organics with different optical properties, making accurate climate modeling essential fo...

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Based on methods such as airborne oblique photogrammetry and laser scanning, high-precision urban 3D point clouds can be obtained. However, existing airborne 3D data acquisition techniques are prone to interference from dense building occlusions or vegetation cover, making it difficult to capture co...

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This study develops an integrated framework combining computer vision and traffic simulation for optimizing traffic management in high-density urban commercial areas. The framework employs a two-phase data acquisition approach: UAV-captured video is first processed using an enhanced YOLOv10 algorith...

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The crystallization of polymers, caused by flow fields in the melt, has been the subject of extensive studies for many years. In this study, we use periodical shear to induce polypropylene to form multi-layer structure, which is usually observed in plants. Two interesting points were found: firstly,...

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