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249 Results Found

  • Article
  • Open Access
58 Citations
7,029 Views
13 Pages

13 May 2022

In recent image classification approaches, a vision transformer (ViT) has shown an excellent performance beyond that of a convolutional neural network. A ViT achieves a high classification for natural images because it properly preserves the global i...

(This article belongs to the Special Issue Sensors-Based Human Action and Emotion Recognition)
  • Article
  • Open Access
5 Citations
2,823 Views
22 Pages

Near-Surface Defects Identification of Polyethylene Pipes Based on Synchro-Squeezing Transform and Deep Learning

  • Chaolei Chen,
  • Huaishu Hou,
  • Mingxu Su,
  • Shiwei Zhang and ,
  • Chaofei Jiao and
  • Zhifan Zhao
  • + 1 author+ 0 author

5 May 2023

To conduct the ultrasonic weld inspection of polyethylene pipes, it is necessary to use low-frequency transducers due to the high sound energy attenuation of polyethylene. However, one of the challenges in this process is that the blind zone of the u...

  • Article
  • Open Access
14 Citations
2,878 Views
23 Pages

Research on Diesel Engine Fault Status Identification Method Based on Synchro Squeezing S-Transform and Vision Transformer

  • Siyu Li,
  • Zichang Liu,
  • Yunbin Yan,
  • Rongcai Wang and ,
  • Enzhi Dong and
  • Zhonghua Cheng
  • + 1 author+ 0 author

16 July 2023

The reliability and safety of diesel engines gradually decrease with the increase in running time, leading to frequent failures. To address the problem that it is difficult for the traditional fault status identification methods to identify diesel en...

(This article belongs to the Special Issue Machine Health Monitoring and Fault Diagnosis Techniques  (Volume II))
  • Article
  • Open Access
713 Views
31 Pages

19 September 2026

Background and Objective: Obstructive sleep apnea (OSA) is a fatal widespread sleep-related breathing disorder and a major risk factor for cardiovascular and cerebrovascular diseases, significantly impacting older adults’ health worldwide. Due...

(This article belongs to the Special Issue Biosignal Sensing Analysis (EEG, EMG, ECG, PPG) (3rd Edition))
  • Review
  • Open Access
9 Citations
7,022 Views
21 Pages

14 February 2011

Among the symmetries in physics, the rotation symmetry is most familiar to us. It is known that the spherical harmonics serve useful purposes when the world is rotated. Squeeze transformations are also becoming more prominent in physics, particularly...

(This article belongs to the Special Issue Quantum Symmetry)
  • Review
  • Open Access
1 Citations
2,178 Views
45 Pages

19 January 2026

This paper starts with the transition from classical physics to quantum mechanics which was greatly aided by the concept of phase space. The role of canonical transformations in quantum mechanics is addressed. The Wigner phase-space distribution func...

(This article belongs to the Section E4: Mathematical Physics)
  • Article
  • Open Access
21 Citations
3,187 Views
15 Pages

Optimization through the Levenberg—Marquardt Backpropagation Method for a Magnetohydrodynamic Squeezing Flow System

  • Maryam Mabrook Almalki,
  • Eman Salem Alaidarous,
  • Muhammad Asif Zahoor Raja,
  • Dalal Adnan Maturi and
  • Muhammad Shoaib

29 June 2021

The present study introduced the unsteady squeezing flow of two-dimensional viscous fluid with nanoparticles between two disks by using the Levenberg–Marquardt backpropagated neural network (LMB-NN). Conversion of the partial differential equations (...

  • Article
  • Open Access
1,806 Views
23 Pages

A State of Health Estimation Method for Lithium-Ion Battery Packs Using Two-Level Hierarchical Features and TCN–Transformer–SE

  • Chaolong Zhang,
  • Panfen Yin,
  • Kaixin Cheng,
  • Yupeng Wu and ,
  • Min Xie,
  • Guoqing Hua,
  • Anxiang Wang and
  • Kui Shao
  • + 3 authors+ 0 author

This study proposes a novel state of health (SOH) estimation method by extracting two-level hierarchical features linked to fundamental degradation mechanisms. At the module level, the length of the incremental power curve during constant current cha...

(This article belongs to the Special Issue Advanced Intelligent Management Technologies of New Energy Batteries)
  • Article
  • Open Access
104 Citations
16,750 Views
10 Pages

28 January 2022

The task of summarization can be categorized into two methods, extractive and abstractive. Extractive summarization selects the salient sentences from the original document to form a summary while abstractive summarization interprets the original doc...

(This article belongs to the Special Issue Novel Methods and Applications in Natural Language Processing)
  • Article
  • Open Access
1,634 Views
23 Pages

Due to nonlinear aerodynamics, “non-traditional” flight modes may appear in longitudinal and lateral/directional dynamics once an aircraft experiences a high angle of attack and rapid maneuvers. Signal decomposition techniques are require...

(This article belongs to the Section Engineering)
  • Review
  • Open Access
1,894 Views
27 Pages

Contractions of Wigner’s Little Groups as Limiting Procedures

  • Sibel Başkal,
  • Young S. Kim and
  • Marilyn E. Noz

7 August 2025

Wigner’s little groups are the subgroups of the Poincaré group whose transformations leave the four-momentum of a relativistic particle invariant. The little group for a massive particle is SO(3)-like, whereas for a massless particle, it...

(This article belongs to the Special Issue Symmetry and Lie Algebras)
  • Article
  • Open Access
29 Citations
3,759 Views
34 Pages

A dermatologist-like automatic classification system is developed in this paper to recognize nine different classes of pigmented skin lesions (PSLs), using a separable vision transformer (SVT) technique to assist clinical experts in early skin cancer...

(This article belongs to the Section Machine Learning and Artificial Intelligence in Diagnostics)
  • Article
  • Open Access
7 Citations
2,250 Views
21 Pages

8 September 2024

Operating in harsh environments, drilling pumps are highly susceptible to failure and challenging to diagnose. To enhance the fault diagnosis accuracy of the drilling pump fluid end and ensure the safety and stability of drilling operations, this pap...

(This article belongs to the Section Energy Systems)
  • Article
  • Open Access
2 Citations
2,438 Views
16 Pages

1 June 2023

Quantum squeezing, an intriguing phenomenon that amplifies the uncertainty of one variable while diminishing that of its conjugate, may be studied as a time-dependent process, with exact solutions frequently derived from frameworks grounded in adiaba...

  • Article
  • Open Access
574 Views
28 Pages

15 June 2026

The conflict between individual rationality and collective rationality, as revealed by the tragedy of the commons, constitutes the core dilemma of collective action in ecological and environmental governance. The key to resolving this dilemma lies in...

(This article belongs to the Section Systems Practice in Social Science)
  • Article
  • Open Access
4 Citations
2,770 Views
17 Pages

12 March 2024

High-voltage direct current (HVDC) transmission is preferred over high-voltage alternating current (HVAC) for long power lines for asynchronous power grid interconnection and high-level renewable energy integration. The control and protection functio...

(This article belongs to the Section Electrical, Electronics and Communications Engineering)
  • Article
  • Open Access
2 Citations
1,263 Views
22 Pages

30 October 2025

The rapid increase in production of small unmanned rotorcrafts (SURs) has made real-time drone surveillance critical for airspace security. Effective SUR detection is essential for maintaining aviation safety, protecting privacy, and ensuring public...

  • Article
  • Open Access
6 Citations
3,572 Views
22 Pages

22 August 2022

Deriving critical parametric information from recorded signals for system identification is critical in structural health monitoring and damage detection, while the time-varying nature of most signals often requires significant processing efforts due...

(This article belongs to the Special Issue Structural Health Monitoring of Buildings, Bridges and Dams)
  • Article
  • Open Access
6 Citations
1,875 Views
20 Pages

14 July 2025

Traditional manual inspection methods for tunnel lining leakage are subjective and inefficient, while existing models lack sufficient recognition accuracy in complex scenarios. An intelligent leakage identification model adaptable to complex backgrou...

  • Article
  • Open Access
1,163 Views
22 Pages

Smart Protection Relay for Power Transformers Using Time-Domain Feature Recognition

  • Hengchu Shi,
  • Hao You,
  • Xiaofan Chen,
  • Ruisi Li and ,
  • Shoudong Xu,
  • Jianqiao Zhang and
  • Ruiwen He
  • + 2 authors+ 0 author

27 January 2026

Conventional transformer protection schemes are limited by the difficulty in distinguishing inrush currents from internal and external faults, which restricts operational accuracy to below 70%. Existing solutions are constrained by a trade-off: sensi...

(This article belongs to the Special Issue Adaptive Control and Optimization in Power Grids)
  • Article
  • Open Access
442 Views
30 Pages

14 March 2026

Harmonics and interharmonics have a significant impact on the safe operation of power systems, and accurately identifying interharmonics in power systems is the basis of harmonic suppression. The accuracy with which interharmonic components in power...

(This article belongs to the Section B: Mathematics)
  • Article
  • Open Access
6 Citations
2,200 Views
11 Pages

4 October 2022

The aim of this paper is to study the quantum-like approach to the description of the market in the context of the principle of minimum Fisher information. We wish to investigate the validity of using squeezed coherent states as market strategies. Fo...

(This article belongs to the Special Issue Quantum Approach to Game Theory and Social Science)
  • Article
  • Open Access
9 Citations
1,604 Views
27 Pages

3 October 2025

In intensive broiler production, rapid environmental fluctuations can induce heat stress, adversely affecting flock welfare and productivity. Apparent temperature (AT), integrating temperature, humidity, and wind speed, provides a comprehensive therm...

(This article belongs to the Section Smart Agriculture)
  • Article
  • Open Access
631 Views
11 Pages

Bohr’s correspondence principle acts as a link between quantum physics and classical physics theory, while squeezed light, as a special nonclassical quantum state in quantum physics, achieves precision measurements and gravitational wave detect...

  • Article
  • Open Access
17 Citations
2,144 Views
21 Pages

The Effect of Variable Magnetic Field on Viscous Fluid between 3-D Rotatory Vertical Squeezing Plates: A Computational Investigation

  • Muhammad Kamran Alam,
  • Khadija Bibi,
  • Aamir Khan,
  • Unai Fernandez-Gamiz and
  • Samad Noeiaghdam

28 March 2022

In this paper, the 3-D squeezing flow of viscous incompressible fluid between two parallel plates rotating at the same rate is investigated. The flow is observed under the influence of the varying magnetic field. The flow phenomena are modeled by uti...

  • Article
  • Open Access
6 Citations
2,021 Views
14 Pages

A New Type of Dynamic Vibration Fiber Sensor

  • I-Nan Chang,
  • Chih-Chuan Chiu and
  • Wen-Fung Liu

30 October 2024

A new-type vibration sensor based on a fiber Bragg grating combined with a special structure-packaged design is proposed for monitoring the mechanical vibration signals. Three different sensing structures, including the film squeeze type, new film sq...

(This article belongs to the Section Optical Sensors)
  • Article
  • Open Access
57 Citations
4,633 Views
30 Pages

Entropy Generation and Statistical Analysis of MHD Hybrid Nanofluid Unsteady Squeezing Flow between Two Parallel Rotating Plates with Activation Energy

  • Nimer Murshid,
  • Hasan Mulki,
  • Mahmoud Abu-Samha,
  • Wahib Owhaib and ,
  • S. Suresh Kumar Raju,
  • Chakravarthula S. K. Raju,
  • Macherla JayachandraBabu,
  • Raad Z. Homod and
  • Wael Al-Kouz
  • + 4 authors+ 0 author

12 July 2022

Squeezing flow is a flow where the material is squeezed out or disfigured within two parallel plates. Such flow is beneficial in various fields, for instance, in welding engineering and rheometry. The current study investigates the squeezing flow of...

(This article belongs to the Special Issue Theory and Computational Model of Nanofluids)
  • Article
  • Open Access
4 Citations
2,574 Views
16 Pages

24 April 2022

This paper designs a new composite transmission device for improving the transmission torque by squeezing magnetorheological fluid (MRF) with an electrothermal shape memory alloy (SMA) spring. Based on the finite element method, a numerical analysis...

(This article belongs to the Section Mechanical Engineering)
  • Article
  • Open Access
3 Citations
4,759 Views
19 Pages

31 August 2022

In the process of rubber extrusion, the feed structure directly affects the extrusion quality, extrusion uniformity, screw lateral force, and feed power consumption. Until now, the feed structure was mainly based on empirical designs, and there was n...

(This article belongs to the Special Issue Advanced Polymer Composite Materials: Processing, Modeling, Properties and Applications)
  • Article
  • Open Access
4,763 Views
7 Pages

Casimir/squeezed vacuum breaks Lorentz symmetry, by allowing light to propagate faster than c. We looked at the possible transformation symmetry group such vacuum could obey. By solving the semi-classical Einstein field equation in squeezed vacuum, w...

(This article belongs to the Section Quantum Technologies)
  • Article
  • Open Access
50 Citations
4,477 Views
15 Pages

Modified SqueezeNet Architecture for Parkinson’s Disease Detection Based on Keypress Data

  • Lucas Salvador Bernardo,
  • Robertas Damaševičius,
  • Sai Ho Ling,
  • Victor Hugo C. de Albuquerque and
  • João Manuel R. S. Tavares

Parkinson’s disease (PD) is the most common form of Parkinsonism, which is a group of neurological disorders with PD-like motor impairments. The disease affects over 6 million people worldwide and is characterized by motor and non-motor symptom...

(This article belongs to the Special Issue State of the Art: Prerequisites, Prevention and Treatment of Neurodegenerative Diseases)
  • Article
  • Open Access
12 Citations
5,520 Views
40 Pages

We use the method of the Lewis-Riesenfeld invariant to analyze the dynamical properties of the Mukhanov-Sasaki Hamiltonian and, following this approach, investigate whether we can obtain possible candidates for initial states in the context of inflat...

(This article belongs to the Special Issue Progress in Group Field Theory and Related Quantum Gravity Formalisms)
  • Article
  • Open Access
3 Citations
1,817 Views
13 Pages

A Cuckoo Search-Based Trained Artificial Neural Network for Symmetric Flow Problems

  • Asad Ullah,
  • Tmader Alballa,
  • Waseem,
  • Hamiden Abd El-Wahed Khalifa and
  • Haifa Alqahtani

25 August 2023

In this work, an artificial neural network based on the Cuckoo search algorithm (CS-ANN) is implemented for squeezing flow problems. Three problems are considered: the squeezing flow, the MHD squeezing flow, and the flow of the third-grade fluid past...

(This article belongs to the Section A: Computer Science)
  • Article
  • Open Access
10 Citations
3,258 Views
17 Pages

Machine Fault Diagnosis: Experiments with Different Attention Mechanisms Using a Lightweight SqueezeNet Architecture

  • Mahe Zabin,
  • Ho-Jin Choi,
  • Muhammad Kubayeeb Kabir,
  • Anika Nahian Binte Kabir and
  • Jia Uddin

As artificial intelligence technology progresses, deep learning models are increasingly utilized for machine fault classification. However, a significant drawback of current state-of-the-art models is their high computational complexity, rendering th...

(This article belongs to the Special Issue Big Data and AI Applications)
  • Article
  • Open Access
45 Citations
3,072 Views
23 Pages

27 May 2021

The heat and mass transfer characteristics on hydromagnetic squeeze flow of Jeffrey nanofluid between two plates over a permeable medium by slip condition with the influences of viscous dissipation and chemical reaction is examined. Buongiorno’s nano...

(This article belongs to the Special Issue Analytical and Computational Mechanics of Advanced Materials and Functional Structures)
  • Article
  • Open Access
13 Citations
8,019 Views
26 Pages

Entangled Harmonic Oscillators and Space-Time Entanglement

  • Sibel Başkal,
  • Young S. Kim and
  • Marilyn E. Noz

28 June 2016

The mathematical basis for the Gaussian entanglement is discussed in detail, as well as its implications in the internal space-time structure of relativistic extended particles. It is shown that the Gaussian entanglement shares the same set of mathem...

(This article belongs to the Special Issue Harmonic Oscillators In Modern Physics)
  • Article
  • Open Access
13 Citations
2,812 Views
11 Pages

On Quantum Representation of the Linear Canonical Wavelet Transform

  • H. M. Srivastava,
  • Firdous A. Shah and
  • Aajaz A. Teali

12 September 2022

For the efficient identification of quantum states, we propose the notion of linear canonical wavelet transform in the framework of quantum mechanics. Using the machinery of Dirac representation theory and integration within an ordered product of ope...

(This article belongs to the Section Foundations of Quantum Mechanics and Quantum Gravity)
  • Article
  • Open Access
20 Citations
3,065 Views
15 Pages

Damage Progress Classification in AlSi10Mg SLM Specimens by Convolutional Neural Network and k-Fold Cross Validation

  • Claudia Barile,
  • Caterina Casavola,
  • Giovanni Pappalettera and
  • Vimalathithan Paramsamy Kannan

23 June 2022

In this study, the damage evolution stages in testing AlSi10Mg specimens manufactured using Selective Laser Melting (SLM) process are identified using Acoustic Emission (AE) technique and Convolutional Neural Network (CNN). AE signals generated durin...

(This article belongs to the Special Issue Mechanics and Analysis of Advanced Materials and Structures)
  • Proceeding Paper
  • Open Access
2,123 Views
4 Pages

This paper discusses the slow and unbalanced development dilemma of humanistic significance in intelligent society. The emergence of this development dilemma stems from the fact that people’s living space is being dominated and squeezed by data...

(This article belongs to the Proceedings of The 2021 Summit of the International Society for the Study of Information)
  • Article
  • Open Access
12 Citations
4,913 Views
16 Pages

Chaotic Micromixer Based on 3D Horseshoe Transformation

  • He Zhang,
  • Xin Li,
  • Rongyan Chuai and
  • Yingjie Zhang

14 June 2019

To improve the efficiency of mixing under laminar flow with a low Reynolds number (Re), a novel three-dimensional Horseshoe Transformation (3D HT) was proposed as the basis for the design of a micromixer. Compared with the classical HT, the Lyapunov...

(This article belongs to the Special Issue Optimization of Microfluidic Devices)
  • Communication
  • Open Access
6 Citations
3,017 Views
10 Pages

8 December 2023

For the problem of low time-frequency aggregation of the short-time Fourier transform (STFT), which causes the parameter estimation performance degradation of linear frequency modulation (LFM) signals at low signal-to-noise ratio (SNR), second-order...

(This article belongs to the Special Issue Advancements in Radar Signal Processing)
  • Article
  • Open Access
700 Views
14 Pages

The para-positronium system S01Ps is described by means of specially constructed coherent states (CSs) in the Klauder–Perelomov sense. It is analyzed from the physical point of view and from the geometry underlying the relevant symmetry group e...

(This article belongs to the Section Astroparticle Physics and Cosmology)
  • Article
  • Open Access
4 Citations
3,093 Views
22 Pages

Flow Dynamics of the Homogeneous and Heterogeneous Reactions with an Internal Heat Generation and Thermal Radiation between Two Squeezing Plates

  • Wajid Ullah Jan,
  • Muhammad Farooq,
  • Rehan Ali Shah,
  • Aamir Khan and ,
  • M S Zobaer and
  • Rashid Jan
  • + 1 author+ 0 author

18 September 2021

This paper explores the time dependent squeezing flow of a viscous fluid between parallel plates with internal heat generation and homogeneous/heterogeneous reactions. The motive of the present effort is to upgrade the heat transformation rate for en...

(This article belongs to the Special Issue Numerical Model and Methods for Magnetic Fluids)
  • Article
  • Open Access
18 Citations
4,500 Views
14 Pages

12 July 2019

Infrared camera trapping, which helps capture large volumes of wildlife images, is a widely-used, non-intrusive monitoring method in wildlife surveillance. This method can greatly reduce the workload of zoologists through automatic image identificati...

(This article belongs to the Special Issue Computer Vision and Pattern Recognition in the Era of Deep Learning)
  • Article
  • Open Access
28 Citations
3,032 Views
15 Pages

Electroviscous Effect of Water-Base Nanofluid Flow between Two Parallel Disks with Suction/Injection Effect

  • Muhammad Sohail Khan,
  • Sun Mei,
  • Shabnam,
  • Unai Fernandez-Gamiz and ,
  • Samad Noeiaghdam,
  • Aamir Khan and
  • Said Anwar Shah
  • + 2 authors+ 0 author

17 March 2022

This article, investigates the behaviour of an ionized nanoliquid motion regarding heat transmission between two parallel discs. In the proposed model, the squeezing flow of Cu-water nanofluid with electrical potential force is analysed for studying...

(This article belongs to the Special Issue Computational Fluid Dynamics II)
  • Article
  • Open Access
24 Citations
3,293 Views
28 Pages

27 September 2021

The aim of this article is to investigate the effect of mass and heat transfer on unsteady squeeze flow of viscous fluid under the influence of variable magnetic field. The flow is observed in a rotating channel. The unsteady equations of mass and mo...

(This article belongs to the Special Issue Partial Differential Equations with Applications: Analytical Methods)
  • Article
  • Open Access
7 Citations
2,753 Views
23 Pages

Hybrid Swin-CSRNet: A Novel and Efficient Fish Counting Network in Aquaculture

  • Jintao Liu,
  • Alfredo Tolón-Becerra,
  • José Fernando Bienvenido-Barcena,
  • Xinting Yang and ,
  • Kaijie Zhu and
  • Chao Zhou
  • + 1 author+ 0 author

12 October 2024

Real-time estimation of fish biomass plays a crucial role in real-world fishery production, as it helps formulate feeding strategies and other management decisions. In this paper, a dense fish counting network called Swin-CSRNet is proposed. Specific...

  • Article
  • Open Access
1 Citations
2,249 Views
27 Pages

Global uncertainty and the COVID-19 pandemic have significantly impacted the integration of emerging economies into global financial markets. Post-pandemic, the Federal Reserve’s interest rate hikes have drawn investor attention to relatively i...

  • Article
  • Open Access
87 Citations
5,695 Views
23 Pages

19 September 2022

In the last two decades, academicians have concentrated on the nanofluid squeezing flow between parallel plates. The increasing energy demands and their applications have seen the focus shifted to the hybrid nanofluid flows, but so much is still left...

(This article belongs to the Special Issue Symmetry of Nanofluids and Their Applications in Engineering)

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