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Applied Sciences, Volume 11, Issue 18

September-2 2021 - 515 articles

Cover Story: Swarm Intelligence (SI) algorithms imitate the collective behavior of various swarms or groups in nature. In this work, three representative examples of SI algorithms were selected, namely, the Grey Wolf Optimizer (GWO), the Whale Optimization Algorithm (WOA), and the Salp Swarm Algorithm (SSA). These SI algorithms were applied to the synthesis of linear antenna arrays to optimize the peak sidelobe level (pSLL). Numerical tests showed that the WOA outperforms the GWO and SSA algorithms. Finally, the WOA was exploited to solve the synthesis problem of a dual-band aperture-coupled E-shaped antenna operating in 5G frequency bands. View this paper
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Articles (515)

  • Article
  • Open Access
8 Citations
3,599 Views
20 Pages

Toward a Mechanism for the Emergence of Gravity

  • Carlos Barceló,
  • Raúl Carballo-Rubio,
  • Luis J. Garay and
  • Gerardo García-Moreno

21 September 2021

One of the main problems that emergent-gravity approaches face is explaining how a system that does not contain gauge symmetries ab initio might develop them effectively in some regime. We review a mechanism introduced by some of the authors for the...

  • Review
  • Open Access
64 Citations
8,689 Views
27 Pages

Recent Advances on Machine Learning Applications in Machining Processes

  • Francesco Aggogeri,
  • Nicola Pellegrini and
  • Franco Luis Tagliani

21 September 2021

This study aims to present an overall review of the recent research status regarding Machine Learning (ML) applications in machining processes. In the current industrial systems, processes require the capacity to adapt to manufacturing conditions con...

  • Article
  • Open Access
11 Citations
3,069 Views
10 Pages

21 September 2021

Grasslands play an irreplaceable role in maintaining carbon balance and stabilizing the entire Earth’s ecosystem. Although the grasslands in Inner Mongolia are sensitive and vulnerable to climate change, a generalized effect of climate change on the...

  • Article
  • Open Access
13 Citations
4,041 Views
18 Pages

SPIN: A Blockchain-Based Framework for Sharing COVID-19 Pandemic Information across Nations

  • Yazeed Alabdulkarim,
  • Abdulmajeed Alameer,
  • Mohammed Almukaynizi and
  • Abdulaziz Almaslukh

21 September 2021

The COVID-19 pandemic has caused many countries around the globe to put strict policies and measures in place in an attempt to control the rapid spread of the virus. These measures have affected economic activities and have impacted a broad range of...

  • Feature Paper
  • Article
  • Open Access
6 Citations
2,647 Views
12 Pages

An Enhanced Photonic Quantum Finite Automaton

  • Alessandro Candeloro,
  • Carlo Mereghetti,
  • Beatrice Palano,
  • Simone Cialdi,
  • Matteo G. A. Paris and
  • Stefano Olivares

21 September 2021

In a recent paper we have described an optical implementation of a measure-once one-way quantum finite automaton recognizing a well-known family of unary periodic languages, accepting words not in the language with a given error probability. To proce...

  • Article
  • Open Access
3 Citations
2,521 Views
19 Pages

21 September 2021

Cross-modal hashing technology is a key technology for real-time retrieval of large-scale multimedia data in real-world applications. Although the existing cross-modal hashing methods have achieved impressive accomplishment, there are still some limi...

  • Article
  • Open Access
34 Citations
6,329 Views
21 Pages

21 September 2021

In recent years, Historic Building Information Modelling (HBIM) methodology has strengthened the documentation and interpretation of archaeological contexts and is regarded as a breakthrough in relation to established methodologies and analyses. Chan...

  • Article
  • Open Access
1 Citations
3,436 Views
12 Pages

The Intake of Pain Medication among Dentists and Dental Assistants with Musculoskeletal Disorders in Germany

  • Yvonne Haas,
  • Antonia Naser,
  • Eileen M. Wanke,
  • Jasmin Haenel,
  • Laura Fraeulin,
  • Fabian Holzgreve,
  • Christina Erbe,
  • Werner Betz,
  • Doerthe Brueggmann and
  • Albert Nienhaus
  • + 2 authors

21 September 2021

Background: Dentists (Ds) and dental assistants (DAs) have a high lifetime prevalence of musculoskeletal disorders (MSDs). In this context, it is assumed that they have an increased intake of substances such as pain medication. Currently, there exist...

  • Article
  • Open Access
4 Citations
8,729 Views
12 Pages

Modeling of Metabolic Equivalents (METs) during Moderate Resistance Training Exercises

  • Muhammad Adeel,
  • Chien-Hung Lai,
  • Chun-Wei Wu,
  • Jiunn-Horng Kang,
  • Jian-Chiun Liou,
  • Hung-Chou Chen,
  • Bor-Shing Lin,
  • Meng-Jyun Hong,
  • Chun-Ta Feng and
  • Chih-Wei Peng

21 September 2021

Energy expenditure through metabolic equivalent (MET) prediction during resistance exercises in humans can be modeled by using cardiorespiratory parameters. In this study, we aimed to predict MET during six moderate-intensity resistance training sess...

  • Article
  • Open Access
3,009 Views
18 Pages

Improving the Discriminability of Haptic Icons: The Haptic Tuning Fork

  • Laura Raya,
  • Sara A. Boga,
  • Marcos Garcia-Lorenzo and
  • Sofia Bayona

21 September 2021

Technological advances enable the capture and management of complex data sets that need to be correctly understood. Visualisation techniques can help in complex data analysis and exploration, but sometimes the visual channel is not enough, or it is n...

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Appl. Sci. - ISSN 2076-3417