Results 21 to 30 of about 2,669,999 (264)

Harmonics Signal Feature Extraction Techniques: A Review

open access: yesMathematics, 2023
Harmonic estimation is essential for mitigating or suppressing harmonic distortions in power systems. The most important idea is that spectrum analysis, waveform estimation, harmonic source classification, source location, the determination of harmonic ...
Minh Ly Duc, Petr Bilik, Radek Martinek
doaj   +1 more source

Rapid Design Exploration of Low Pass Highly Efficient Single Loop Single Bit Sigma Delta (Σ∆) Modulators

open access: yesComputer Assisted Methods in Engineering and Science, 2022
A rapid design and verification of sigma delta modulators are presented at the system level with high accuracy and computational efficiency. Sigma delta analog to digital converters showcased an excellent choice for low bandwidth applications from near ...
S. Vamsee Krishna   +2 more
doaj   +1 more source

Time and the domain of consciousness [PDF]

open access: yesAnnals of the New York Academy of Sciences, 2014
It is often thought that there is little that seems more obvious from experience than that time objectively passes, and that time is, in this respect, quite unlike space. Yet nothing in the physical picture of the world seems to correspond to the idea of such an objective passage of time.
openaire   +2 more sources

Time domain analysis of excess loss in electrical steel [PDF]

open access: yesSerbian Journal of Electrical Engineering, 2019
The aim of this paper is to present a comprehensive approach to analyse and interpret power loss in ferromagnetic materials with particular attention devoted to excess power loss.
Koprivica Branko   +2 more
doaj   +1 more source

On the reflection of time-domain acoustic spherical waves by a sinusoidal diffraction grating

open access: yesActa Acustica, 2021
This work reports on some results obtained from numerical simulations of time-domain acoustic wave propagation in the presence of a periodically rough interface.
Gao Guochao   +3 more
doaj   +1 more source

Color-selective photodetection from intermediate colloidal quantum dots buried in amorphous-oxide semiconductors

open access: yesNature Communications, 2017
The development of highly sensitive photodetectors is important for image sensing and optical communication applications. Cho et al., report ultra-sensitive photodetectors based on monolayered quantum dots buried in between amorphous-oxide semiconductors
Kyung-Sang Cho   +6 more
doaj   +1 more source

A systematic review on the effect of high.intensity training on heart rate variability in sports professionals and healthy young adults

open access: yesBLDE University Journal of Health Sciences, 2020
BACKGROUND: Exercise plays an essential role in managing cardiovascular disorders, and high-intensity training (HIT) exercise is a potential, time-effective alternative to traditional aerobic exercise.
Shweta Shenoy, Prachi Khandekar
doaj   +1 more source

Transient Linear Circuit Analysis Using Finite Element Technique

open access: yesApplied Sciences, 2022
In this paper, a novel algorithm for a transient linear circuit analysis based on the Finite Element Technique (FET) was established. The FET procedure allows a straightforward solution for complex electric circuits since it is based on the Finite ...
Ivica Jurić-Grgić   +2 more
doaj   +1 more source

Optomechanical time-domain reflectometry [PDF]

open access: yesNature Communications, 2018
AbstractOptical fibres constitute an exceptional sensing platform. However, standard fibres present an inherent sensing challenge: they confine light to an inner core. Consequently, distributed fibre sensors are restricted to the measurement of conditions that prevail within the core. This work presents distributed analysis of media outside unmodified,
Bashan, Gil   +4 more
openaire   +4 more sources

Design and Performance Analysis of a Nonlinear Magnetic Levitation System Using PID Controller Optimized With COOT Algorithm

open access: yesIEEE Access, 2023
Recent growth in magnetic levitation can be attributed to its ability to minimize friction and disturbance in industries, transportation, aerospace, biomedicine, and magnetic bearings. Due to the magnetic levitation system’s nonlinear and unstable
Marabathina Maheedhar, T. Deepa
doaj   +1 more source

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