Articles with "four band" as a keyword



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Broken rotor bar detection via four-band wavelet packet decomposition of motor current

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Published in 2018 at "Electrical Engineering"

DOI: 10.1007/s00202-017-0674-4

Abstract: The induction motor current is nonstationary by nature, and time-scale analysis techniques such as wavelet packet decomposition (WPD) are more suitable for the analysis of the stator current for broken rotor bar detection. But, WPD… read more here.

Keywords: band; four band; rotor bar; broken rotor ... See more keywords
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Switchable terahertz absorber based on vanadium dioxide for bandwidth tunable broadband absorption and four-band absorption

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Published in 2023 at "Journal of Physics D: Applied Physics"

DOI: 10.1088/1361-6463/acd7f7

Abstract: We propose a switchable metamaterial absorber (MMA) for bandwidth tunable broadband and four-band absorption in the terahertz (THz) band based on the phase-transition characteristics of vanadium dioxide (VO2). The proposed MMA can achieve over 90%… read more here.

Keywords: broadband absorption; four band; absorber; broadband ... See more keywords
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Stable topological edge states in a non-Hermitian four-band model

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Published in 2018 at "Physical Review A"

DOI: 10.1103/physreva.98.012111

Abstract: We introduce a one-dimensional non-Hermitian four-band tight-binding lattice system. We find stable topological edge states protected by particle-hole and parity-time symmetries. We show that a topological phase appears in the system. We discuss that the… read more here.

Keywords: stable topological; hermitian four; topological edge; edge states ... See more keywords
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Spectral Design of Light-Emitting Diodes for Plant Photosynthesis Based on Quantum Dots

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Published in 2021 at "IEEE Access"

DOI: 10.1109/access.2021.3054929

Abstract: Light is one of the five indispensable factors for plant growth. Green houses and plant factories have advantages of growing vegetables off-season and high production. However, artificial lighting occupies most of the running cost during… read more here.

Keywords: based quantum; light emitting; band; emitting diodes ... See more keywords
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Analysis of graphene-based tunable THz four-band absorption sensors.

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Published in 2022 at "Applied optics"

DOI: 10.1364/ao.447968

Abstract: A novel, to the best of our knowledge, four-band tunable absorber sensor, based on a graphene layer, is presented. The proposed sensor configuration is composed of a single monolayer of graphene placed on top of… read more here.

Keywords: analysis graphene; four band; graphene; sensor ... See more keywords