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Applied Sciences, Volume 10, Issue 1

January-1 2020 - 424 articles

Cover Story: Tunable terahertz functional devices have exhibited superior performances due to the use of active materials, such as liquid crystals, graphene, and semiconductors. Unlike other phase change materials, vanadium dioxide (VO2) undergoes an insulator–metal phase transition, causing its conductivity to change by five orders of magnitude. This article demonstrates a terahertz active switching using hybrid VO2 metamaterials. Simulations show the highly temperature-sensitive nature of Fano resonances that can be switched at very low external thermal pumping (68 °C). The findings of this work would enable thermally-induced high-Q Fano resonance metamaterials for ultrasensitive sensors, modulators, and low threshold switching in metadevices.View this paper.
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Articles (424)

  • Article
  • Open Access
9 Citations
2,727 Views
18 Pages

Towards Adaptive Multipath Managing: A Lightweight Path Management Mechanism to Aid Multihomed Mobile Computing Devices

  • Yuanlong Cao,
  • Mario Collotta,
  • Siyi Xu,
  • Longjun Huang,
  • Xueqiang Tao and
  • Zhichao Zhou

4 January 2020

With the large scale deployment of multihomed mobile computing devices in today’s Internet, the Multipath TCP (MPTCP) is being considered as a preferred data transmission technology in the future Internet due to its promising features of bandwi...

  • Article
  • Open Access
4 Citations
2,975 Views
22 Pages

Influence of Pairing Startling Acoustic Stimuli with Postural Responses Induced by Light Touch Displacement

  • John E. Misiaszek,
  • Sydney D. C. Chodan,
  • Arden J. McMahon and
  • Keith K. Fenrich

4 January 2020

The first exposure to an unexpected, rapid displacement of a light touch reference induces a balance reaction in naïve participants, whereas an arm-tracking behaviour emerges with subsequent exposures. The sudden behaviour change suggests the fi...

  • Article
  • Open Access
9 Citations
3,946 Views
15 Pages

Semi-Supervised GNSS Scintillations Detection Based on DeepInfomax

  • Giulio Franzese,
  • Nicola Linty and
  • Fabio Dovis

4 January 2020

This work focuses on a machine learning based detection of ionospheric scintillation events affecting Global Navigation Satellite System (GNSS) signals. We here extend the recent detection results based on Decision Trees, designing a semi-supervised...

  • Article
  • Open Access
21 Citations
3,986 Views
14 Pages

4 January 2020

The first step in identifying fruits on trees is to develop garden robots for different purposes such as fruit harvesting and spatial specific spraying. Due to the natural conditions of the fruit orchards and the unevenness of the various objects thr...

  • Editorial
  • Open Access
2,420 Views
8 Pages

4 January 2020

The main goal of this Special Issue is to present the latest advances in research and novel applications of speech and language technologies based on the works presented at the IberSPEECH edition held in Barcelona in 2018, paying special attention to...

  • Article
  • Open Access
2,787 Views
14 Pages

4 January 2020

In the industry of polymer film products such as polarizers, measuring the three-dimensional (3D) contour of the transparent microdefects, the most common defects, can crucially affect what further treatment should be taken. In this paper, we propose...

  • Article
  • Open Access
43 Citations
3,804 Views
16 Pages

4 January 2020

For a rolling bearing fault that has nonlinearity and nonstationary characteristics, it is difficult to identify the fault category. A rolling bearing clustering fault diagnosis method based on ensemble empirical mode decomposition (EEMD), permutatio...

  • Article
  • Open Access
4 Citations
2,732 Views
15 Pages

4 January 2020

Transient responses of stiffened panels with piezoelectric sensors and actuators are studied under normal blast loads. The air vehicles could be exposed to blast pulses generated by an explosion or shock-wave disturbances. Thus, active vibration supp...

  • Article
  • Open Access
19 Citations
8,979 Views
11 Pages

4 January 2020

In this study, tensile and fatigue tests were performed and analyzed to evaluate an influence of fabrication method on mechanical characteristics of copper thin film which widely used in flexible printed circuit board (FPCB). In general, manufacturin...

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Appl. Sci. - ISSN 2076-3417