119 Result(s)
within
Shun** Zhang
Engineering
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Article
Frequency spectrum prediction model of broaching process using theoretical cutting force time history
The amplitude of tooth passing frequency in frequency spectrum is an important indicator to judge machining quality and tool wear. In comparison to the amplitude of tooth passing frequency in acceleration spec...
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Article
Open AccessModeling of distortional hardening including plane strain tension and pure shear for a TWIP steel
This paper focuses on calibrating and modeling of distortional hardening behaviours in twinning induced plasticity steels. True stress-strain curves for uniaxial tension, plane strain tension, and pure shear s...
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Article
DCM3-YOLOv4: A Real-Time Multi-Object Detection Framework
The key issues for roadside sensing system (RSS) include achieving accuracy and real-time sharing of over-horizon perception information. This study proposes a novel and efficient framework dedicated to multi-...
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Article
Simulation and Experimental Research on Shape Adjustment of Membrane Reflector Antenna (MRA) Combined with Electrostatic Forces and Boundary Cable Forces
The membrane reflector antenna (MRA) possesses significant advantages, such as being light in weight and having a large storage ratio. As a result, it is considered one of the critical forms of space-borne ant...
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Article
Optimization model for ultrasonic-assisted dry helical milling of CFRP based on genetic algorithm
Carbon fiber–reinforced polymer (CFRP) has the characteristics of high brittleness and high hardness, which easily causes delamination damage and burr damage, resulting in low hole-making efficiency, and the a...
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Article
The extraction method of new logining word/term for social media based on statistics and N-increment
New logining word/terms are reasonably extracted to improve the accuracy of information retrieval and to provide the theoretical support for tracking network topics and social public opinion. To efficiently mi...
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Article
Joint entity and relation extraction model based on directed-relation GAT oriented to Chinese patent texts
The joint extraction task aims to construct an entity-relation triple comprising two entities and the relation between them. Existing joint models make it difficult to process too many overlap** relations in...
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Chapter and Conference Paper
Failure Analysis and Shape Optimization of Bonding Wire for SiC Power Module Encapsulated with Epoxy Resin
Two typical SiC power modules, one sealed with silicone gel and the other encapsulated with epoxy, are widely used in electric vehicles. The reliability and shape optimization of bonding wires in silicone gel ...
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Chapter and Conference Paper
Influential Factors and Mechanism of Sense of Place in Historic Districts
As urban renewal becomes an integral part of urban development, the focus of urban planning has risen from environmental qualities to spiritual needs. Improving sense of place helps to activate lost spaces. Th...
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Article
\(\varvec{L}_{\varvec{2,s}} \) -norm and \(\varvec{L}_{\varvec{2,p}} \) -norm distance metrics regularized deep belief network for fault diagnosis
An accurate and efficient fault detection model based on deep belief network (DBN) in this paper is proposed for rotating machinery. Due to the overlap** problem of different class features extracted by trad...
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Article
Fast algorithm for Joseph’s forward projection in iterative computed tomography reconstruction
In computed tomography, iterative methods perform better than conventional analytical methods when reconstructing from sparse, insufficient or noisy data. Siddon’s forward projection has been widely used in it...
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Article
NMEAS: Neuro-MaxEnt architecture search
Fusion operations are widely used in many hand-crafted convolutional neural network model to reduce parameter number and improve feature learning, however, most neural architecture search methods suffered from...
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Article
Iterative image reconstruction based on Köhler’s forward projection
Iterative reconstruction methods outperform analytical methods when dealing with incomplete or noisy projection data. In iterative reconstruction, forward projection and backprojection are two major operations...
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Article
Visualized experimental study on the dynamic behavior of boiling bubbles in the square micro pin-fins on different hydrophobic surfaces
In order to explore the inner relationship between macroscopic heat transfer/flow performance and microcosmic dynamic behavior of boiling bubbles on different hydrophobic surfaces, an experimental study regard...
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Article
An image encryption scheme based on block compressed sensing and Chen’s system
Image encryption is a common way of information protection. However, most of the existing image encryption schemes have a low transmission efficiency and large memory consumption due to ciphertext redundancy. ...
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Article
Thermal design optimization method of mesh reflector antennas considering the interaction between cable net and flexible truss
Mesh antennas in orbit are periodically affected by solar radiation, earth reflection and space low temperature environment, and the temperature fluctuates in a wide range. Mesh antenna produce large thermal d...
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Article
Form-finding design optimization method of cable mesh reflectors based on a weighting surface accuracy with electromagnetic performance
Form-finding design is a significant process for cable mesh reflectors to realize the required surface accuracy and electromagnetic performance. From the classification of the objective function, there are two...
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Article
Open AccessThe CTCN-LightGBM Joint Model for Industrial Balanced Loading Prediction
Balanced industrial loading mainly relies on accurate multi-adjustment values, including the truck speed and chute flow. However, the existing models are weak in real-time loading prediction because the single...
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Chapter and Conference Paper
Reservoir Characteristics and Distribution Prediction of Bedrock Weathering Crust in Paleo-Central Uplift Belt of Northern Songliao Basin
In order to explore the bedrock hydrocarbon exploration potential in paleo-central uplift belt of northern Songliao Basin,the characteristics and distribution range of bedrock weathering crust reservoir are st...
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Chapter and Conference Paper
Recognition of UAV Image Transmission Signal via Deep Learning Methods
In the last decade, the rapid development of UAV (Unmanned Aerial Ve...
