Results 51 to 60 of about 2,435,332 (149)

Time-frequency Domain Analogues of Phase Space Sub-Planck Structures

open access: yes, 2007
We present experimental data of the frequency resolved optical gating (FROG) measurements of light pulses revealing interference features corresponding to sub-Planck structures in phase space.
Czesław Radzewicz   +11 more
core   +1 more source

Conversion of Dielectric Data from the Time Domain to the Frequency Domain

open access: yesAdvances in Electrical and Electronic Engineering, 2005
Polarisation and conduction processes in dielectric systems can be identified by the time domain or the frequency domain measurements. If the systems is a linear one, the results of the time domain measurements can be transformed into the frequency ...
Vladimir Durman, Jaroslav Lelak
doaj  

Verification and validation of ShipMo3D ship motion predictions in the time and frequency domains

open access: yesInternational Journal of Naval Architecture and Ocean Engineering, 2011
This paper compares frequency domain and time domain predictions from the ShipMo3D ship motion library with observed motions from model tests and sea trials.
Kevin A. McTaggart
doaj   +1 more source

Co-movement of energy commodities revisited: Evidence from wavelet coherence analysis

open access: yes, 2012
In this paper, we contribute to the literature on energy market co-movement by studying its dynamics in the time-frequency domain. The novelty of our approach lies in the application of wavelet tools to commodity market data.
Barunik, Jozef, Vacha, Lukas
core   +1 more source

INDEPENDENCE TEST OF GAMELAN INSTRUMENTS SIGNAL IN TIME DOMAIN AND FREQUENCY DOMAIN

open access: yesJurnal Ilmiah Kursor: Menuju Solusi Teknologi Informasi, 2013
INDEPENDENCE TEST OF GAMELAN INSTRUMENTS SIGNAL IN TIME DOMAIN AND FREQUENCY DOMAIN aAtik Wintarti, bYoyon K. Suprapto, cWirawan a,b,cElectrical Engineering Dept., Faculty of Industrial Technology, Institut Teknologi Sepuluh Nopember, Surabaya 60111 ...
Atik Wintarti   +2 more
doaj  

Connectedness Between Natural Gas Price and BRICS Exchange Rates: Evidence from Time and Frequency Domains

open access: yesEnergies, 2019
In this paper, we investigate the connectedness between natural gas and BRICS (Brazil, Russia, India, China, and South Africa)’s exchange rate in terms of time and frequency. This empirical work is based on the approach of connectedness proposed by
Yijin He   +2 more
doaj   +1 more source

Short-term heart-rate variability in healthy small and medium-sized dogs over a five-minute measuring period

open access: yesJournal of Veterinary Research, 2020
Five-minute heart-rate variability (HRV) measurement is a useful tool for assessing the autonomic nervous system (ANS) balance in humans, but there are no studies on healthy dogs.
Baisan Radu Andrei   +2 more
doaj   +1 more source

Foreword [PDF]

open access: yes, 1965
Time and frequency domain convergence properties of causal and Current Iteration Tracking Error (CITE) discrete time Iterative Learning Control (ILC) algorithms are discussed.
Gunnarsson, Svante, Norrlöf, Mikael
core   +1 more source

Microseismic Signal Denoising and Separation Based on Fully Convolutional Encoder–Decoder Network

open access: yesApplied Sciences, 2020
Denoising methods are a highly desired component of signal processing, and they can separate the signal of interest from noise to improve the subsequent signal analyses.
Hang Zhang   +4 more
doaj   +1 more source

Research on Pilot Workload Identification Based on EEG Time Domain and Frequency Domain

open access: yesAerospace
Pilot workload is a critical factor influencing flight safety. This study collects both subjective and objective data on pilot workload using the NASA-TLX questionnaire and electroencephalogram acquisition systems during simulated flight tasks.
Weiping Yang   +7 more
doaj   +1 more source

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