Results 21 to 30 of about 5,371,151 (345)

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

Nonlinear time-domain macromodeling of OTA circuits [PDF]

open access: yes, 1989
The authors present an accurate nonlinear macromodel of the operational transconductance amplifier (OTA) which is suitable for the transient simulation of OTA-based CMOS analog integrated circuits.
Cruz Moreno, J.   +5 more
core   +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

Hubbard exciton revealed by time-domain optical spectroscopy [PDF]

open access: yes, 2012
We use broadband ultra-fast pump-probe spectroscopy in the visible range to study the lowest excitations across the Mott-Hubbard gap in the orbitally ordered insulator YVO3.
A. Fujimori   +9 more
core   +8 more sources

Unidimensional Time Domain Quantum Optics

open access: yes, 2019
Choosing the right first quantization basis in quantum optics is critical for the interpretation of experimental results. The usual frequency basis is, for instance, inappropriate for short, subcycle waveforms.
Reulet, Bertrand, Virally, Stéphane
core   +1 more source

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

Time domain optical sensing

open access: yes1999 IEEE LEOS Annual Meeting Conference Proceedings. LEOS'99. 12th Annual Meeting. IEEE Lasers and Electro-Optics Society 1999 Annual Meeting (Cat. No.99CH37009), 1999
A chirped optical supercontinuum is used to map absorption spectra into temporal waveforms. Time-domain spectral measurement of acetylene is demonstrated using a modelocked fibre laser as the source of broadband radiation and a sampling oscilloscope for spectral measurement.
P.V. Kelkar   +3 more
openaire   +1 more source

Terahertz time-domain spectroscopy of edible oils. [PDF]

open access: yes, 2017
Chemical degradation of edible oils has been studied using conventional spectroscopic methods spanning the spectrum from ultraviolet to mid-IR. However, the possibility of morphological changes of oil molecules that can be detected at terahertz ...
Abbott, Derek   +2 more
core   +2 more sources

Constant Phase Element in the Time Domain: The Problem of Initialization

open access: yesEnergies, 2022
The constant phase element (CPE) is found in most battery and supercapacitor equivalent circuit models proposed to interpret data in the frequency domain.
Juan Antonio López-Villanueva   +1 more
doaj   +1 more source

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