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Electronics, Volume 14, Issue 8

2025 April-2 - 208 articles

Cover Story: In the following study, an underwater hyperspectral LiDAR (UDHSL) system was designed with a 450–700 nm spectral range, 10–300 nm adjustable bandwidth, and 50 kHz–1 MHz tunable repetition frequency. Featuring ≤1 mrad divergence, 7 ns pulses, and 7.5 µJ energy, the system achieves 1.13 cm ranging resolution and 1.02 m accuracy at a range of 27 m. Experimental 3D mapping demonstrates synchronized spectral-topographic data acquisition through 11-band (450–650 nm) point clouds: distance-colored models reveal target geometry, normalized intensity visualizations enable spectral discrimination, and RGB composites facilitate true-color representation. The system's dual sensing capabilities advance underwater exploration by concurrently resolving the spatial and spectral signatures of submerged targets. View this paper
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Articles (208)

  • Article
  • Open Access
1 Citations
1,216 Views
15 Pages

This article discusses the safety issues of autonomous vehicles using GNSS when transporting particularly dangerous goods, such as flammable and explosive materials. A method for the special processing of GNSS navigation information is presented, whi...

(This article belongs to the Special Issue Autonomous and Connected Vehicles)
  • Article
  • Open Access
2 Citations
1,304 Views
30 Pages

This paper proposes a two-dimensional (2D) generalized equivalent magnetic network (GEMN) model suitable for surface-mounted permanent magnet electric machines (SPEMs). The model divides the SPEM into eight types of regions: stator yoke, stator tooth...

  • Article
  • Open Access
8 Citations
1,745 Views
25 Pages

A Method for the Front-End Design of Electric SUVs Integrating Kansei Engineering and the Seagull Optimization Algorithm

  • Yutong Zhang,
  • Jiantao Wu,
  • Li Sun,
  • Qi Wang and ,
  • Xiaotong Wang and
  • Yiming Li
  • + 1 author+ 0 author

With the rapid expansion of the Electric Sport Utility Vehicle (ESUV) market, capturing consumer aesthetic preferences and emotional needs through front-end styling has become a key issue in automotive design. However, traditional Kansei Engineering...

  • Article
  • Open Access
2,812 Views
19 Pages

The Inter-SubNet speechenhancement network improves subband interaction by enabling the exchange of complementary information across frequency bands, ensuring robust feature refinement while significantly reducing computational load through lightweig...

(This article belongs to the Special Issue IoT Security in the Age of AI: Innovative Approaches and Technologies)
  • Article
  • Open Access
7 Citations
2,397 Views
39 Pages

The complexity of large-scale group decision-making (LSGDM) in the digital society is becoming increasingly prominent. How to achieve efficient consensus through social networks (SNs) has become a core challenge in improving the decision quality. Fir...

(This article belongs to the Special Issue Advances in Intelligent Data Analysis and Its Applications, 3rd Edition)
  • Review
  • Open Access
11 Citations
3,024 Views
18 Pages

Recent Developments of Ruthenium Complexes for Dye-Sensitized Solar Cells

  • Alessia Colombo,
  • Claudia Dragonetti,
  • Francesco Fagnani and
  • Dominique Roberto

Almost forty years ago, dye-sensitized solar cells (DSSCs) appeared as a promising route for harnessing the energy of the sun and for converting it into electricity. In the following years, a huge number of studies have been dedicated to increase the...

(This article belongs to the Special Issue Materials and Properties for Solar Cell Application)
  • Article
  • Open Access
4 Citations
3,364 Views
26 Pages

How Do Visitors to Mountain Museums Think? A Cross-Country Perspective on the Sentiments Decoded from TripAdvisor Reviews

  • Adina Nicoleta Candrea,
  • Eliza Ciobanu,
  • Florin Nechita,
  • Gabriel Brătucu and ,
  • Ecaterina Coman,
  • Camelia Șchiopu and
  • Mihai Bogdan Alexandrescu
  • + 2 authors+ 0 author

In the digital era, user-generated online reviews serve as a valuable resource for understanding visitor experiences in cultural institutions. This study analyses sentiments and thematic trends in TripAdvisor reviews of mountain museums, using Latent...

(This article belongs to the Section Electronic Multimedia)
  • Article
  • Open Access
3 Citations
2,515 Views
48 Pages

Before metaverse technologies become fully integrated into daily life, their accessibility must be carefully considered. To ensure equal opportunities for all users, regardless of age or disability, immersive technologies should offer seamless and in...

(This article belongs to the Special Issue Metaverse and Digital Twins, 2nd Edition)
  • Article
  • Open Access
1 Citations
1,659 Views
11 Pages

Deidentifying sensitive information in electronic health records (EHRs) is increasingly important as legal obligations to data privacy evolve along with the need to protect patient and institutional confidentiality. This study aims to comparatively e...

(This article belongs to the Special Issue Digital Security and Privacy Protection: Trends and Applications, 2nd Edition)
  • Article
  • Open Access
3 Citations
1,369 Views
16 Pages

Deploying thousands of sensors across remote and challenging environments—such as the Amazon rainforest, Californian wilderness, or Australian bushlands—is a critical yet complex task for forest fire monitoring, while our backyard emulati...

(This article belongs to the Section Systems & Control Engineering)
  • Article
  • Open Access
1,108 Views
15 Pages

Microwave Imaging of Uniaxial Objects Using a Hybrid Input U-Net

  • Wei-Tsong Lee,
  • Chien-Ching Chiu,
  • Po-Hsiang Chen,
  • Hung-Ming Cheng and
  • Eng Hock Lim

This paper introduces hybrid inputs using Internet of Things (IoT) sensors for reconstructing microwave images of uniaxial objects. Specifically, scattered field data is obtained through IoT sensors, and artificial intelligence techniques are employe...

  • Article
  • Open Access
2 Citations
2,681 Views
16 Pages

The neural implicit SLAM system performs excellently in static environments, offering higher-quality rendering and scene reconstruction capabilities compared to traditional dense SLAM. However, in dynamic real-world scenes, these systems often experi...

  • Article
  • Open Access
4 Citations
3,023 Views
13 Pages

A compact ultra-wideband balun topology suitable for on-chip integration is introduced in this paper. The balun is designed using an inverting transformer for the generation of the inverted signal, and a third inductor is incorporated to support the...

  • Article
  • Open Access
2 Citations
1,405 Views
19 Pages

Optimizing the Operational Process of a Social Robot for Elderly Assistance: Enhancing Reliability and Readiness

  • Karolina Krzykowska-Piotrowska,
  • Adam Rosiński,
  • Jacek Paś,
  • Marek Piotrowski and
  • Mirosław Siergiejczyk

Social robots designed to assist the elderly must function reliably in changing environments where usage conditions vary. Ensuring both reliability and readiness is crucial for effective daily interactions. This paper focuses on optimizing the operat...

(This article belongs to the Section Artificial Intelligence)
  • Article
  • Open Access
1,231 Views
26 Pages

Quantile Multi-Attribute Disparity (QMAD): An Adaptable Fairness Metric Framework for Dynamic Environments

  • Dalha Alhumaidi Alotaibi,
  • Jianlong Zhou,
  • Yifei Dong,
  • Jia Wei and ,
  • Xin Janet Ge and
  • Fang Chen
  • + 1 author+ 0 author

Fairness is becoming indispensable for ethical machine learning (ML) applications. However, it remains a challenge to identify unfairness if there are changes in the distribution of underlying features among different groups and machine learning outp...

(This article belongs to the Special Issue Artificial Intelligence and Applications—Responsible AI)
  • Article
  • Open Access
8 Citations
3,801 Views
26 Pages

For the commercialization of connected vehicles and smart cities, extensive research is carried out on autonomous driving, Vehicle-to-Everything (V2X) communication, and platooning. However, limitations remain, such as restrictions to highway environ...

(This article belongs to the Special Issue Security and Privacy for Modern Wireless Communication Systems, 2nd Edition)
  • Article
  • Open Access
2 Citations
1,595 Views
20 Pages

The geological structure in western China is complex, and rigid catenary systems are commonly used for pantograph power supply in railway tunnel construction. Due to the space constraints within tunnels, the aerodynamic characteristics and fluid&ndas...

  • Article
  • Open Access
4 Citations
2,020 Views
13 Pages

The purpose of person re-identification is to identify and retrieve the same individual across different scenes, angles, and times. As an instance-level recognition problem, human re-identification relies on discriminative features, but is not determ...

  • Article
  • Open Access
4 Citations
1,432 Views
41 Pages

Microgrids (MGs) offer substantial environmental, economic, and technological benefits by supplying electrical energy to the grid or local consumers via power electronic inverter-interfaced Distributed Energy Resources (DERs). However, the design, co...

(This article belongs to the Section Power Electronics)
  • Article
  • Open Access
20 Citations
8,016 Views
35 Pages

This paper provides a comprehensive study of the security of YOLO (You Only Look Once) model series for object detection, emphasizing their evolution, technical innovations, and performance across the COCO dataset. The robustness of YOLO models under...

(This article belongs to the Special Issue Feature Papers in Artificial Intelligence)
  • Article
  • Open Access
1 Citations
2,827 Views
19 Pages

PixCon: Pixel-Level Contrastive Learning Revisited

  • Zongshang Pang,
  • Yuta Nakashima,
  • Mayu Otani and
  • Hajime Nagahara

Contrastive image representation learning has been essential for pre-training vision foundation models to deliver excellent transfer learning performance. It was originally developed based on instance discrimination, which focuses on instance-level r...

(This article belongs to the Special Issue Applications of Computer Vision, 3rd Edition)
  • Article
  • Open Access
4 Citations
1,232 Views
17 Pages

To address the high-frequency resonance issues in renewable energy systems integrated via MMC-HVDC transmission under weak grid conditions, this paper establishes a wide-frequency sequence impedance model for renewable energy grid-side converters and...

  • Article
  • Open Access
6 Citations
1,400 Views
22 Pages

This study proposes a multi-strategy improved Aquila optimizer (MIAO) to address the key limitations of the original Aquila optimizer (AO). First, a phasor operator is introduced to eliminate excessive control parameters in the X2 phase, transforming...

  • Article
  • Open Access
1,226 Views
23 Pages

Monitoring High-Dynamic Wideband Orthogonal Frequency Division Multiplexing Signal Under Weak Prior Knowledge

  • Chaoqun Hou,
  • Linan Wang,
  • Yuqing Wang,
  • Xiangni Zou and ,
  • Jianbo Liu,
  • Teng Hou,
  • Zehui Zhang and
  • Jianxiong Pan
  • + 3 authors+ 0 author

In the context of the escalating requirement for high-throughput multimedia services, Orthogonal Frequency Division Multiplexing (OFDM) signal systems have become increasingly prevalent in Low Earth Orbit (LEO) satellite communications. In order to p...

  • Article
  • Open Access
3 Citations
2,992 Views
19 Pages

WGA-SWIN: Efficient Multi-View 3D Object Reconstruction Using Window Grouping Attention in Swin Transformer

  • Sheikh Sohan Mamun,
  • Shengbing Ren,
  • MD Youshuf Khan Rakib and
  • Galana Fekadu Asafa

Multi-view 3D reconstruction aims to discover 3D characteristics based on visual information captured across multiple viewpoints. Transformer networks have shown remarkable success in various computer vision tasks, including multi-view 3D reconstruct...

(This article belongs to the Special Issue 3D Computer Vision and 3D Reconstruction)
  • Article
  • Open Access
4 Citations
1,431 Views
15 Pages

Study on the Operating and Aging Characteristics of RTV (Room Temperature Vulcanizing) Insulator Strings in High-Altitude Areas

  • Yunlong Zhao,
  • Jilei Zhao,
  • Yu Tian,
  • Xiaoxu Ma and ,
  • Haichuan He and
  • Yujian Ding
  • + 1 author+ 0 author

As an indispensable component of power transmission systems, the performance of porcelain insulators directly impacts the reliability and operational stability of electrical networks. To enhance the anti-fouling flashover capability of transmission l...

  • Article
  • Open Access
1 Citations
1,640 Views
26 Pages

The rapid proliferation of wireless devices and the escalating demand for ultra-reliable, high-capacity communication networks have propelled massive multiple-input multiple-output systems as a cornerstone technology for next-generation wireless stan...

(This article belongs to the Section Microwave and Wireless Communications)
  • Article
  • Open Access
1 Citations
1,378 Views
23 Pages

Applying the acoustic orbital angular momentum (AOAM) wave for underwater imaging can yield richer differential target echo information, a consequence of its spiral wavefront phase and multiple mutually orthogonal modes. In broadband AOAM wave imagin...

(This article belongs to the Section Microwave and Wireless Communications)
  • Review
  • Open Access
19 Citations
5,098 Views
21 Pages

Optically Transparent Antennas for 5G and Beyond: A Review

  • Bernardo Dominguez,
  • Fábio Silva,
  • Amit Baghel,
  • Daniel Albuquerque and
  • Pedro Pinho

As wireless communication technology advances towards faster and higher transmission rates such as Fifth Generation (5G) and beyond, the need for multiple access points increases. The growing demand for access points often results in them occupying a...

(This article belongs to the Special Issue Smart Antennas and Systems for 5G and Beyond: Latest Advances and Prospects)
  • Article
  • Open Access
4 Citations
6,070 Views
20 Pages

Framework Development for Evaluating the Efficacy of Mobile Language Learning Apps

  • Kam-Cheong Li,
  • Ka-Pik Sun,
  • Billy T. M. Wong and
  • Manfred M. F. Wu

Mobile-assisted language learning (MALL) has emerged as a powerful tool for language education, offering flexibility, multimedia integration, and personalized learning experiences. Despite its growing adoption, most studies have focused on user perce...

  • Article
  • Open Access
8 Citations
5,186 Views
25 Pages

Towards More Accurate Industrial Anomaly Detection: A Component-Level Feature-Enhancement Approach

  • Xiaodong Wang,
  • Zhiyao Xie,
  • Fei Yan,
  • Jiayu Wang and ,
  • Jiangtao Fan,
  • Zhiqiang Zeng,
  • Junwen Lu,
  • Hangqi Zhang and
  • Nianfeng Zeng
  • + 4 authors+ 0 author

Industrial visual inspection plays a crucial role in intelligent manufacturing. However, existing anomaly-detection methods based on unsupervised learning paradigms often struggle with issues such as overlooking minor defects and blurring component e...

(This article belongs to the Topic AI and Data-Driven Advancements in Industry 4.0, 2nd Edition)
  • Article
  • Open Access
2 Citations
1,644 Views
23 Pages

The rapid integration of renewable energy and electric vehicles is challenging modern distribution networks with increased demand volatility and overload risks. To address these issues, we propose an integrated, multi-timescale battery dispatch frame...

(This article belongs to the Special Issue Power Converters for Renewable Energy Integration and Energy Storage Systems)
  • Article
  • Open Access
10 Citations
3,303 Views
24 Pages

The rapid integration of large-scale AI models into distributed systems, such as the Artificial Intelligence of Things (AIoT), has introduced critical security and privacy challenges. While configurable models enhance resource efficiency, their deplo...

(This article belongs to the Special Issue Security and Privacy for AI)
  • Article
  • Open Access
12 Citations
2,469 Views
23 Pages

Image steganalysis has been a key technology in information security in recent years. However, existing methods are mostly limited to the binary classification for detecting steganographic images used in digital watermarking, privacy protection, illi...

(This article belongs to the Special Issue AI-Based Solutions for Cybersecurity)
  • Article
  • Open Access
5 Citations
1,994 Views
18 Pages

Problem of Supraharmonic Diagnostics in Power Networks

  • Piotr Kuwałek and
  • Grzegorz Wiczyński

The increasing number of power electronic devices in power networks causes a significant increase in supraharmonics in these networks. Supraharmonics are spectral components in the 2–150kHz bandwidth that cause high-frequency signal distortions...

(This article belongs to the Special Issue Power Electronics and Renewable Energy System)
  • Article
  • Open Access
2,051 Views
11 Pages

A Precision Resistance Measurement Method Based on Synchronous Sampling

  • Changwei Zhai,
  • Pengcheng Hu,
  • Yunfeng Lu and
  • Jianting Zhao

A precision resistance measurement method based on synchronous sampling is proposed to enable accurate resistance measurement under low-current testing conditions. This method utilizes a single current source input, connecting the standard resistor a...

  • Article
  • Open Access
1,077 Views
18 Pages

Selecting appropriate locations of emergency centers is an important issue in avoiding probable damages by natural disasters. Emergency rescue sites are constructed to provide emergency supplies swiftly for people in affected areas. Factors of transp...

(This article belongs to the Section Systems & Control Engineering)
  • Article
  • Open Access
1,485 Views
22 Pages

Post-stroke finger dysfunction severely impacts patients’ daily living abilities and quality of life. Traditional rehabilitation assessment methods face challenges such as high subjectivity, insufficient precision, and difficulty in capturing s...

(This article belongs to the Section Computer Science & Engineering)
  • Article
  • Open Access
6 Citations
6,086 Views
23 Pages

Knitting Robots: A Deep Learning Approach for Reverse-Engineering Fabric Patterns

  • Haoliang Sheng,
  • Songpu Cai,
  • Xingyu Zheng and
  • Mengcheng Lau

Knitting, a cornerstone of textile manufacturing, is uniquely challenging to automate, particularly in terms of converting fabric designs into precise, machine-readable instructions. This research bridges the gap between textile production and roboti...

(This article belongs to the Section Systems & Control Engineering)
  • Article
  • Open Access
4 Citations
2,322 Views
15 Pages

Research on Environmental Adaptability of Force–Position Hybrid Control for Quadruped Robots Based on Model Predictive Control

  • Yuquan Xue,
  • Liming Wang,
  • Bi He,
  • Yonghui Zhao and ,
  • Yang Wang and
  • Longmei Li
  • + 1 author+ 0 author

This study proposes a force–position hybrid control method for quadruped robots based on the Model Predictive Control (MPC) algorithm, aiming to address the challenges of stability and adaptability in complex terrain environments. Traditional c...

  • Article
  • Open Access
1,660 Views
18 Pages

Intelligent Frozen Gait Monitoring Using Software-Defined Radio Frequency Sensing

  • Muhammad Bilal Khan,
  • Hamna Baig,
  • Rimsha Hayat,
  • Shujaat Ali Khan Tanoli and ,
  • Mubashir Rehman,
  • Vishalkumar Arjunsinh Thakor and
  • Daniyal Haider
  • + 2 authors+ 0 author

Frozen gait (FG) is an increasingly prevalent concern in individuals with Parkinson’s disease (PD) that limits mobility and increases the risk of falls. Traditional FG detection and monitoring methods using clinical observations and wearable se...

(This article belongs to the Section Computer Science & Engineering)
  • Article
  • Open Access
2 Citations
1,777 Views
12 Pages

The development of deep neural networks, although demonstrating astounding capabilities, leads to more complex models, high energy consumption, and expensive hardware costs. While network quantization is a widely used method to address this problem,...

  • Article
  • Open Access
1 Citations
1,955 Views
12 Pages

A Wideband Orbital Angular Momentum Antenna Array Design for Wireless Communication

  • Zhanbiao Yang,
  • Kaiheng Zhang,
  • Jiahao Zhang,
  • Hongbo Liu and ,
  • Yuanxi Cao and
  • Sen Yan
  • + 1 author+ 0 author

In this paper, a wideband OAM antenna array for wireless communication is proposed, which has a wide impedance bandwidth and can cover the S-C band with a relative bandwidth of 61.58%. The measured gain can reach 7.81 dBi and the radiation efficiency...

(This article belongs to the Section Microwave and Wireless Communications)
  • Communication
  • Open Access
6 Citations
2,709 Views
6 Pages

A three-stage low-noise amplifier (LNA) operating over the 6–18 GHz frequency range is designed and implemented, featuring a flat noise figure (NF) and enhanced output 1 dB compression point (OP1dB). To improve linearity and minimize distortion...

  • Article
  • Open Access
1,498 Views
17 Pages

In this study, GaN devices are implemented in low-power three-phase inverters to achieve high-frequency operation and a compact design. A 500 W power-rated prototype operating at a switching frequency of 200 kHz was designed. A linear active disturba...

(This article belongs to the Section Power Electronics)
  • Article
  • Open Access
5 Citations
1,324 Views
19 Pages

Secondary Frequency Regulation Strategy for Battery Swapping Stations Considering the Behavioral Model of Electric Vehicles

  • Nan Yang,
  • Xizheng Zhao,
  • Jia Li,
  • Jingping Wang and ,
  • Hanyu Jiang and
  • Shengqi Zhang
  • + 1 author+ 0 author

The development of vehicle-to-grid (V2G) technique and the growth of battery swapping stations are expected to enhance the resilience of power networks. However, V2G battery swapping stations exhibit inconsistencies among internal battery packs, wher...

  • Article
  • Open Access
3 Citations
4,888 Views
27 Pages

Methodology and Challenges of Implementing Advanced Technological Solutions in Small and Medium Shipyards: The Case Study of the Mari4_YARD Project

  • Lorenzo Grazi,
  • Abel Feijoo Alonso,
  • Adam Gąsiorek,
  • Afra Maria Pertusa Llopis and ,
  • Alejandro Grajeda,
  • Alexandros Kanakis,
  • Ana Rodriguez Vidal,
  • Andrea Parri,
  • Felix Vidal and
  • Jawad Masood
  • + 22 authors+ 17 authors

Small to medium-sized shipyards play a crucial role in the European naval industry. However, the globalization of technology has increased competition, posing significant challenges to shipyards, particularly in domestic markets for short sea, work,...

(This article belongs to the Special Issue Communication Systems and Manipulators for Robots and Unmanned Systems)
  • Article
  • Open Access
4 Citations
1,406 Views
20 Pages

Mechanical Design and Analysis of a Novel Symmetrical 2T1R Parallel Robot

  • Qi Zou,
  • Yiwei Zhang,
  • Yuancheng Shi,
  • Shuo Zhang and
  • Yueyuan Zhang

The planar parallel robots are widely employed in industrial applications due to simple geometry, few linkage interferences, and a large, reachable workspace. The symmetric geometry can bring significant convenience to parallel robots. The complexity...

(This article belongs to the Special Issue Advanced Nonlinear and Learning-Based Control Techniques for Complex Dynamical Systems, 2nd Edition)
  • Article
  • Open Access
2 Citations
1,678 Views
14 Pages

Towards Feasible Thermal Management Design of Electronic Control Module for Variable Frequency Air Conditioner Function in Extremely High Ambient Temperatures

  • Lianyu Shan,
  • Changbo Bu,
  • Yuxi Su,
  • Junhong Wu and ,
  • Yunyi Wang,
  • Limei Shen and
  • Junlong Xie
  • + 2 authors+ 0 author

The widespread adoption of variable frequency air conditioners (VFACs) in household appliances is primarily driven by their energy-saving qualities. However, extremely high ambient temperatures and limited space affect the heat dissipation of the ele...

  • Article
  • Open Access
9 Citations
3,711 Views
17 Pages

Human activity recognition (HAR) is vital for applications in fields such as smart homes, health monitoring, and navigation, particularly in GNSS-denied environments where satellite signals are obstructed. Wi-Fi channel state information (CSI) has em...

(This article belongs to the Section Microwave and Wireless Communications)

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Electronics - ISSN 2079-9292