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Electronics, Volume 12, Issue 14

2023 July-2 - 203 articles

Cover Story: To address the challenges of small antenna gain and narrow frequency range, this study employs a fractal repeating array structure and a double-layer folding antenna design to create a high-gain, flexible, and multi-frequency antenna. Fabricated on a 0.1 mm-thick polyimide substrate, this antenna ingeniously integrates the Minkowski fractal structure as a repeating array unit, combined with the double-layer folding antenna design. The resulting antenna measures a mere 0.04 λ0 × 0.026 λ0 (λ0 @ 2.4 GHz) and weighs only 4 mg. Moreover, the maximum gains of 1.65 dBi and 4.37 dBi were achieved in two frequency bands. Such remarkable dimensions and excellent performance make it ideal for miniature wireless transmission systems and compact mobile communication devices. View this paper
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Articles (203)

  • Article
  • Open Access
12 Citations
2,561 Views
14 Pages

The rapid and accurate identification of the opening and closing state of the knife switch in a gas insulated switchgear (GIS) is very important for the timely detection of equipment faults and for the reduction of related accidents. However, existin...

(This article belongs to the Section Artificial Intelligence)
  • Article
  • Open Access
1 Citations
2,538 Views
22 Pages

To accomplish the task of detecting and avoiding road signs by mobile robots for autonomous running, in this paper, we propose a method of road sign detection and visual depth perception based on improved Yolov5 and improved centroid depth value filt...

(This article belongs to the Special Issue Pattern Recognition and Sensor Fusion Solutions in Intelligent Sensor Systems)
  • Article
  • Open Access
1 Citations
2,642 Views
16 Pages

Remote Bridge Inspection and Actual Bridge Verification Based on 4G/5G Communication Environments

  • Mai Yoshikura,
  • Takahiro Minami,
  • Tomotaka Fukuoka,
  • Makoto Fujiu and
  • Jyunichi Takayama

The close-up visual inspection of bridges faces several problems, including a lack of financial resources and human personnel. Hence, there has been increasing use of artificial intelligence (AI) and information and communications technology (ICT) to...

(This article belongs to the Special Issue Smart Applications of 5G Network)
  • Article
  • Open Access
29 Citations
3,207 Views
25 Pages

Detecting multi-scale objects in complex backgrounds is a crucial challenge in remote sensing. The main challenge is that the localization and identification of objects in complex backgrounds can be inaccurate. To address this issue, a decoupled sema...

(This article belongs to the Topic Computer Vision and Image Processing)
  • Article
  • Open Access
3 Citations
3,937 Views
19 Pages

Person re-identification is the technique of identifying the same person in different camera shots, known as ReID for short. Most existing models focus on single-modality person re-identification involving only visible images. However, the visible mo...

  • Article
  • Open Access
14 Citations
3,621 Views
23 Pages

Dynamic Health Monitoring of Aero-Engine Gas-Path System Based on SFA-GMM-BID

  • Dewen Li,
  • Yang Li,
  • Tianci Zhang,
  • Jing Cai,
  • Hongfu Zuo and
  • Ying Zhang

This paper proposes a dynamic health monitoring method for aero-engines by extracting more hidden information from the raw values of gas-path parameters based on slow feature analysis (SFA) and the Gaussian mixture model (GMM) to improve the capabili...

(This article belongs to the Section Computer Science & Engineering)
  • Article
  • Open Access
2 Citations
2,336 Views
13 Pages

In this paper, a computationally efficient optimization algorithm for independent vector analysis (IVA) is proposed to accelerate iterative convergence speed and enhance the overdetermined convolutive blind speech separation performance. An iterative...

  • Retraction
  • Open Access
1,527 Views
1 Page

The journal retracts the article entitled “Convolutional Neural Networks in Process Mining and Data Analytics for Prediction Accuracy” [...]

(This article belongs to the Section Computer Science & Engineering)
  • Article
  • Open Access
6 Citations
2,814 Views
10 Pages

Soft-Error-Aware Radiation-Hardened Ge-DLTFET-Based SRAM Cell Design

  • Pushpa Raikwal,
  • Prashant Kumar,
  • Meena Panchore,
  • Pushpendra Dwivedi and
  • Kanchan Cecil

In this paper, a soft-error-aware radiation-hardened 6T SRAM cell has been implemented using germanium-based dopingless tunnel FET (Ge DLTFET). In a circuit level simulation, the device-circuit co-design approach is used. Semiconductor devices are ve...

(This article belongs to the Special Issue Advanced CMOS Devices)
  • Communication
  • Open Access
1 Citations
2,736 Views
15 Pages

A Low Jitter, Wideband Clock Generator for Multi-Protocol Data Communications Applications

  • Yingdan Jiang,
  • Yang Yu,
  • Lu Tang,
  • Junhao Yang,
  • Yujia Lu and
  • Zongguang Yu

This paper presents a charge-pump phase-locked loop (PLL) frequency-synthesizer-based low-jitter wideband clock generator for multi-protocol data communications applications. Automatic frequency calibration (AFC) using linear variable time window tec...

  • Article
  • Open Access
12 Citations
3,000 Views
13 Pages

Blockchain for Healthcare Games Management

  • Sheng Chen,
  • Qi Cao and
  • Yiyu Cai

More and more serious games have been developed in recent years for patients with aging, rehabilitation, mental, and other healthcare needs. Often, such healthcare games have different experiments or evaluations associated. Rapid advancements in heal...

(This article belongs to the Section Computer Science & Engineering)
  • Article
  • Open Access
12 Citations
3,800 Views
16 Pages

The wear condition of steel rails directly affects the safety of railway operations. Line-structured-light visual measurement technology is used for online measurement of rail wear due to its ability to achieve high-precision dynamic measurements. Ho...

(This article belongs to the Special Issue Applications of Computer Vision, 2nd Edition)
  • Article
  • Open Access
3 Citations
1,804 Views
17 Pages

A Multi-Path Inpainting Forensics Network Based on Frequency Attention and Boundary Guidance

  • Hongquan Wang,
  • Xinshan Zhu,
  • Hao Sun,
  • Tongyu Qian and
  • Ying Chen

With the continuous advancement of image-editing technologies, it is particularly important to develop image forensics methods for digital information security. In this study, a deep neural network called multi-path inpainting forensics network (MPIF...

  • Article
  • Open Access
2 Citations
2,129 Views
22 Pages

Defense and Attack Game Strategies of Dual-Network Coupled CPPS with Communication Edge Failures

  • Guopeng Zhu,
  • Qiusheng Yu,
  • Shenyang Xiao,
  • Shaobo Qian,
  • Guangming Han,
  • Yan Zhang and
  • Piming Ma

With the development of power technology and communication technology, the power grid and power communication network have become interdependent and closely coupled. The load shedding operation of the power grid is an important means to reduce the oc...

(This article belongs to the Special Issue Advancement in Power Electronics and Control)
  • Article
  • Open Access
6 Citations
2,719 Views
16 Pages

Enhancing System Reliability and Transient Voltage Stability through Optimized Power Sources and Network Planning

  • Fan Li,
  • Dong Liu,
  • Dan Wang,
  • Wei Wang,
  • Zhongjian Liu,
  • Haoyang Yu,
  • Xiaofan Su,
  • De Zhang and
  • Xiaoman Wu

Renewable energy is an important means of addressing climate change and achieving carbon peaking and carbon neutrality goals. However, the uncertainty and randomness of renewable energy also have a certain impact on the flexibility, reliability, and...

(This article belongs to the Special Issue AI-Based Power System Stability and Control Analysis)
  • Article
  • Open Access
13 Citations
4,077 Views
12 Pages

Designs of Array Multipliers with an Optimized Delay in Quantum-Dot Cellular Automata

  • Aibin Yan,
  • Xuehua Li,
  • Runqi Liu,
  • Zhengfeng Huang,
  • Patrick Girard and
  • Xiaoqing Wen

Quantum-dot cellular automata (QCA) has been considered as a novel nano-electronic technology. With the advantages of low power consumption, high speed, and high integration, QCA has been treated as the potential replacement technology of the CMOS (c...

(This article belongs to the Special Issue Advances in Analog and Mixed-Signal Integrated Circuits)
  • Article
  • Open Access
64 Citations
12,881 Views
16 Pages

A Model for EEG-Based Emotion Recognition: CNN-Bi-LSTM with Attention Mechanism

  • Zhentao Huang,
  • Yahong Ma,
  • Rongrong Wang,
  • Weisu Li and
  • Yongsheng Dai

Emotion analysis is the key technology in human–computer emotional interaction and has gradually become a research hotspot in the field of artificial intelligence. The key problems of emotion analysis based on EEG are feature extraction and cla...

(This article belongs to the Section Computer Science & Engineering)
  • Article
  • Open Access
2 Citations
5,581 Views
20 Pages

Image captioning is a challenging AI problem that connects computer vision and natural language processing. Many deep learning (DL) models have been proposed in the literature for solving this problem. So far, the primary concern of image captioning...

(This article belongs to the Special Issue Machine Learning and Deep Learning Based Pattern Recognition)
  • Article
  • Open Access
17 Citations
5,324 Views
18 Pages

Vulnerability Identification and Assessment for Critical Infrastructures in the Energy Sector

  • Nikolaos Nikolaou,
  • Andreas Papadakis,
  • Konstantinos Psychogyios and
  • Theodore Zahariadis

Vulnerability identification and assessment is a key process in risk management. While enumerations of vulnerabilities are available, it is challenging to identify vulnerability sets focused on the profiles and roles of specific organizations. To thi...

(This article belongs to the Special Issue Recent Advances and Challenges in IoT, Cloud and Edge Coexistence)
  • Article
  • Open Access
2 Citations
2,552 Views
16 Pages

For the constrained mobile robot automatic parking system, the hybrid model predictive control with a penalty factor based on image-based visual servoing (IBVS) is proposed to address the problem of feature point loss and emergency braking in dynamic...

(This article belongs to the Section Systems & Control Engineering)
  • Article
  • Open Access
5 Citations
2,398 Views
15 Pages

Performance Optimization of Multipair Massive MIMO Polarized Relay Systems

  • Sian Xiong,
  • Zhipeng Chen,
  • Nan Jiang,
  • Jiahui Zhao and
  • Lingfeng Liu

In this paper, we analyze the challenges faced by multipair massive Multiple-input-multiple-output (MIMO) relay channels in 5G wireless communication systems, where high path loss and severe shadow fading between different user nodes can cause poor c...

  • Article
  • Open Access
19 Citations
4,610 Views
20 Pages

Vertical Federated Unlearning on the Logistic Regression Model

  • Zihao Deng,
  • Zhaoyang Han,
  • Chuan Ma,
  • Ming Ding,
  • Long Yuan,
  • Chunpeng Ge and
  • Zhe Liu

Vertical federated learning is designed to protect user privacy by building local models over disparate datasets and transferring intermediate parameters without directly revealing the underlying data. However, the intermediate parameters uploaded by...

(This article belongs to the Special Issue Security and Privacy Evaluation of Machine Learning in Networks)
  • Article
  • Open Access
5 Citations
3,027 Views
20 Pages

ClueReader: Heterogeneous Graph Attention Network for Multi-Hop Machine Reading Comprehension

  • Peng Gao,
  • Feng Gao,
  • Peng Wang,
  • Jian-Cheng Ni,
  • Fei Wang and
  • Hamido Fujita

Multi-hop machine reading comprehension is a challenging task in natural language processing as it requires more reasoning ability across multiple documents. Spectral models based on graph convolutional networks have shown good inferring abilities an...

  • Article
  • Open Access
17 Citations
6,565 Views
23 Pages

This study proposes a novel strategy for enhancing low-latency control performance in Wireless Networked Control Systems (WNCSs) through the integration of edge computing. Traditional networked control systems require the receipt of raw data from rem...

(This article belongs to the Special Issue Emerging Trends and Challenges in IoT Networks)
  • Article
  • Open Access
25 Citations
7,096 Views
14 Pages

Graph Embedding-Based Money Laundering Detection for Ethereum

  • Jiayi Liu,
  • Changchun Yin,
  • Hao Wang,
  • Xiaofei Wu,
  • Dongwan Lan,
  • Lu Zhou and
  • Chunpeng Ge

The number of money laundering crimes for Ethereum and the amount involved have grown exponentially in recent years. However, previous studies related to anomaly detection for Ethereum usually consider multiple types of financial crimes as a whole, i...

(This article belongs to the Special Issue Novel Methods Applied to Security and Privacy Problems)
  • Article
  • Open Access
8 Citations
3,125 Views
10 Pages

A low-profile high-efficiency transmitarray antenna (TA) for beamforming applications is proposed and investigated in this paper. The partial H-plane waveguide slot array antenna is employed as the compact low-profile feeding structure of the beamfor...

(This article belongs to the Section Microwave and Wireless Communications)
  • Article
  • Open Access
2 Citations
2,272 Views
23 Pages

As the number of satellites in orbit increases, the issue of flight safety in spacecraft formation orbit control has become increasingly prominent. With this in mind, this paper designs a second-order terminal sliding mode controller for spacecraft f...

(This article belongs to the Special Issue Design, Dynamics and Control of Robots)
  • Article
  • Open Access
11 Citations
2,907 Views
21 Pages

SP-YOLO-Lite: A Lightweight Violation Detection Algorithm Based on SP Attention Mechanism

  • Zhihao Huang,
  • Jiajun Wu,
  • Lumei Su,
  • Yitao Xie,
  • Tianyou Li and
  • Xinyu Huang

In the operation site of power grid construction, it is crucial to comprehensively and efficiently detect violations of regulations for the personal safety of the workers with a safety monitoring system based on object detection technology. However,...

(This article belongs to the Section Artificial Intelligence)
  • Article
  • Open Access
4 Citations
3,006 Views
22 Pages

The vulnerability of Apache Log4j, Log4Shell, is known for its widespread impact; many attacks that exploit Log4Shell use obfuscated attack patterns, and Log4Shell has revealed the importance of addressing such variants. However, there is no research...

(This article belongs to the Special Issue Data Driven Security)
  • Article
  • Open Access
16 Citations
3,665 Views
22 Pages

A Multi-Modal Modulation Recognition Method with SNR Segmentation Based on Time Domain Signals and Constellation Diagrams

  • Ruifeng Duan,
  • Xinze Li,
  • Haiyan Zhang,
  • Guoting Yang,
  • Shurui Li,
  • Peng Cheng and
  • Yonghui Li

Deep-learning-based automatic modulation recognition (AMR) has recently attracted significant interest due to its high recognition accuracy and the lack of a need to manually set classification standards. However, it is extremely challenging to achie...

(This article belongs to the Section Microwave and Wireless Communications)
  • Article
  • Open Access
2 Citations
1,949 Views
18 Pages

To overcome the challenges posed by the underwater environment and restore the true colors of marine objects’ surfaces, a novel underwater image illumination estimation model, termed the iterative chaotic improved arithmetic optimization algori...

(This article belongs to the Special Issue Advances in Image Processing and Computer Vision Based on Machine Learning)
  • Article
  • Open Access
4 Citations
3,716 Views
27 Pages

Resilient Localization and Coverage in the Internet of Things

  • Yaser Al Mtawa,
  • Hossam S. Hassanein and
  • Nidal Nasser

The proliferation of the Internet of Things (IoT) has revolutionized traditional services, giving rise to emerging smart infrastructures by connecting the physical and digital worlds. Sensory data is essential in IoT-based systems for providing conte...

(This article belongs to the Special Issue Ubiquitous Sensor Networks, 2nd Edition)
  • Article
  • Open Access
3 Citations
2,837 Views
27 Pages

A Unified Switched Nonlinear Dynamic Model of an Electric Vehicle for Performance Evaluation

  • Dibyendu Khan,
  • Kuntal Mandal,
  • Anjan Kumar Ray and
  • Abdelali El Aroudi

The advanced modeling and estimation of overall system dynamics play a vital role in electric vehicles (EVs), as the selection of components in the powertrain and prediction of performance are the key market qualifiers. The state-space averaged model...

(This article belongs to the Special Issue Design and Applications of Nonlinear Circuits and Systems)
  • Article
  • Open Access
16 Citations
3,276 Views
19 Pages

Pedestrian detection has important research value and practical significance. It has been used in intelligent monitoring, intelligent transportation, intelligent therapy, and automatic driving. However, in the pixel-level fusion and the feature-level...

(This article belongs to the Section Artificial Intelligence)
  • Article
  • Open Access
64 Citations
19,486 Views
16 Pages

Ethical Challenges in the Development of Virtual Assistants Powered by Large Language Models

  • Andrés Piñeiro-Martín,
  • Carmen García-Mateo,
  • Laura Docío-Fernández and
  • María del Carmen López-Pérez

Virtual assistants (VAs) have gained widespread popularity across a wide range of applications, and the integration of Large Language Models (LLMs), such as ChatGPT, has opened up new possibilities for developing even more sophisticated VAs. However,...

(This article belongs to the Section Networks)
  • Article
  • Open Access
19 Citations
5,031 Views
25 Pages

Mitigating the Risks of Malware Attacks with Deep Learning Techniques

  • Abdullah M. Alnajim,
  • Shabana Habib,
  • Muhammad Islam,
  • Rana Albelaihi and
  • Abdulatif Alabdulatif

Malware has become increasingly prevalent in recent years, endangering people, businesses, and digital assets worldwide. Despite the numerous techniques and methodologies proposed for detecting and neutralizing malicious agents, modern automated malw...

  • Communication
  • Open Access
11 Citations
5,127 Views
16 Pages

Water-Body Detection in Sentinel-1 SAR Images with DK-CO Network

  • Youping Xie,
  • Haibo Zeng,
  • Kaijun Yang,
  • Qiming Yuan and
  • Chao Yang

Synthetic Aperture Radar (SAR) is an active microwave sensor with all-day/night and all-weather detection capability, which is crucial for detecting surface water resources. Surface water-body such as rivers, lakes, reservoirs, and ponds usually appe...

(This article belongs to the Special Issue Advancements in Radar Signal Processing)
  • Article
  • Open Access
1 Citations
2,084 Views
19 Pages

Optimal Configuration of Battery Energy Storage for AC/DC Hybrid System Based on Improved Power Flow Exceeding Risk Index

  • Yanming Tu,
  • Libo Jiang,
  • Bo Zhou,
  • Xinwei Sun,
  • Tianwen Zheng,
  • Yunyang Xu and
  • Shengwei Mei

After the fault disturbance (DC bi-polar blocking) in the AC/DC hybrid system, when the battery energy storage system (BESS) near the fault location is used to eliminate the power transfer, some sensitive and vulnerable transmission lines still have...

(This article belongs to the Topic Advances in Renewable Energy and Energy Storage)
  • Article
  • Open Access
7 Citations
3,803 Views
17 Pages

PID control is the longest history and the most vital basic control mode that has been widely applied in the production process. The oscillatory dynamics of the process have various features, and parameter tuning is complicated. To reduce the complex...

  • Article
  • Open Access
3 Citations
2,133 Views
21 Pages

This paper presents a new speech-enhancement approach based on an enhanced empirical wavelet transform, considering the time and scale adaptation of thresholds for individual component signals obtained from the used transform. The time adaptation is...

  • Article
  • Open Access
13 Citations
4,045 Views
22 Pages

A Specialized Database for Autonomous Vehicles Based on the KITTI Vision Benchmark

  • Juan I. Ortega-Gomez,
  • Luis A. Morales-Hernandez and
  • Irving A. Cruz-Albarran

Autonomous driving systems have emerged with the promise of preventing accidents. The first critical aspect of these systems is perception, where the regular practice is the use of top-view point clouds as the input; however, the existing databases i...

(This article belongs to the Special Issue Object Detection, Segmentation and Categorization in Artificial Intelligence)
  • Review
  • Open Access
11 Citations
5,164 Views
27 Pages

Organic Light-Emitting Diodes with Ultrathin Emitting Nanolayers

  • Yubu Zhou,
  • Huayu Gao,
  • Jing Wang,
  • Fion Sze Yan Yeung,
  • Shenghuang Lin,
  • Xianbo Li,
  • Shaolin Liao,
  • Dongxiang Luo,
  • Hoi Sing Kwok and
  • Baiquan Liu

Organic light-emitting diodes (OLEDs) are promising for displays and lighting technologies because of their excellent advantages, such as high efficiency, high luminance, low power consumption, light weight, and flexibility. In recent years, ultrathi...

(This article belongs to the Section Optoelectronics)
  • Article
  • Open Access
10 Citations
3,610 Views
17 Pages

IRNet: An Improved Zero-Shot Retinex Network for Low-Light Image Enhancement

  • Chao Xie,
  • Hao Tang,
  • Linfeng Fei,
  • Hongyu Zhu and
  • Yaocong Hu

Inadequate illumination often causes severe image degradation, such as noise and artifacts. These types of images do not meet the requirements of advanced visual tasks, so low-light image enhancement is currently a flourishing and challenging researc...

  • Article
  • Open Access
29 Citations
4,573 Views
16 Pages

Semantic segmentation finds wide-ranging applications and stands as a crucial task in the realm of computer vision. It holds significant implications for scene comprehension and decision-making in unmanned systems, including domains such as autonomou...

(This article belongs to the Special Issue Autonomous Robots and Systems)
  • Article
  • Open Access
4 Citations
2,909 Views
20 Pages

In the sensorless control algorithm of permanent magnet synchronous motors (PMSMs), there is a significant research focus on developing a high-performance position observer and a cost-effective, high-performance processor specifically designed for PM...

(This article belongs to the Special Issue Advances in Control for Permanent Magnet Synchronous Motor (PMSM))
  • Communication
  • Open Access
8 Citations
3,484 Views
12 Pages

A Novel NLMS Algorithm for System Identification

  • Jinwoo Yoo,
  • Bum Yong Park,
  • Won Il Lee and
  • JaeWook Shin

In this paper, we propose a novel normalized least mean squares (NLMS) algorithm for system identification applications. Our approach involves analyzing the mean squared deviation performance of the NLMS algorithm using a random walk model to select...

(This article belongs to the Special Issue Intelligence Control and Applications of Intelligence Robotics)
  • Article
  • Open Access
22 Citations
5,031 Views
13 Pages

In recent years, traffic forecasting has gradually become a core component of smart cities. Due to the complex spatial-temporal correlation of traffic data, traffic flow prediction is highly challenging. Existing studies are mainly focused on graphic...

(This article belongs to the Section Artificial Intelligence)
  • Article
  • Open Access
3 Citations
2,764 Views
19 Pages

Calculation Method of DC Fault Overvoltage Peak Value for Multi-Send HVDC Systems with Wind Power

  • Fan Li,
  • Dong Liu,
  • Xiaonan Han,
  • Boyu Qin,
  • Zhongjian Liu,
  • Haoyang Yu,
  • De Zhang,
  • Xiaofan Su and
  • Mingjie Wang

Commutation failure (CF) and DC blocking (DCB) faults are common occurrences in high-voltage direct current (HVDC) systems, and their impact on the power grid can be significant due to sudden power fluctuations. These issues pose particular challenge...

(This article belongs to the Special Issue AI-Based Power System Stability and Control Analysis)
  • Article
  • Open Access
8 Citations
3,347 Views
22 Pages

Skeleton-Based Human Action Recognition Based on Single Path One-Shot Neural Architecture Search

  • Yujian Jiang,
  • Saisai Yu,
  • Tianhao Wang,
  • Zhaoneng Sun and
  • Shuang Wang

Skeleton-based human action recognition based on Neural Architecture Search (NAS.) adopts a one-shot NAS strategy. It improves the speed of evaluating candidate models in the search space through weight sharing, which has attracted significant attent...

(This article belongs to the Topic AI and Data-Driven Advancements in Industry 4.0)
  • Article
  • Open Access
36 Citations
4,272 Views
15 Pages

Artificial intelligence has made people’s demands for computer computing efficiency increasingly high. The traditional hardware circuit simulation method for neural morphology computation has problems of unstable performance and excessive power...

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Electronics - ISSN 2079-9292