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Electronics, Volume 12, Issue 14

July-2 2023 - 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 λ00 @ 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
10 Citations
2,044 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...

  • Article
  • Open Access
1 Citations
1,997 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...

  • Article
  • Open Access
1 Citations
2,112 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...

  • Article
  • Open Access
13 Citations
2,519 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...

  • Article
  • Open Access
3 Citations
2,981 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
5 Citations
2,539 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...

  • Article
  • Open Access
1 Citations
1,787 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...

  • Article
  • Open Access
3 Citations
2,165 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...

  • Communication
  • Open Access
1,981 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...

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Electronics - ISSN 2079-9292