Results 31 to 40 of about 23,472 (239)
Hydrologic nonstationarity and extrapolating models to predict the future: overview of session and proceeding [PDF]
Proceedings of the International Association of Hydrological Sciences, 2015 This paper provides an overview of this IAHS symposium and PIAHS proceeding on "hydrologic nonstationarity and extrapolating models to predict the future".
F. H. S. Chiew, J. Vaze
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Cogent Engineering, 2022 A safe and economic structural design based on the semi-probabilistic concept requires statistically representative safety elements, such as characteristic values, design values, and partial safety factors.
Robert Arnold, Matthias Kraus
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Sleep apnea-hypopnea quantification by cardiovascular data analysis [PDF]
, 2014 Sleep apnea is the most common sleep disturbance and it is an important risk factor for cardiovascular disorders. Its detection relies on a polysomnography, a combination of diverse exams.
Anteneodo, Celia +5 more
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Nonstationarity in Job Search Theory [PDF]
The Review of Economic Studies, 1990 Generally, structural job search models are taken to be stationary. In this paper models are examined in which every exogenous variable can cause nonstationarity, for instance because its value is dependent on unemployment duration. A general differential equation that describes the evolution of the reservation wage over time is derived.
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Shui kexue jinzhan, 2017 In recent years, the problem of urban waterlogging has become more and more serious as the environment has changed through both climate change and urbanization.
Lihua XIONG +4 more
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Untenable nonstationarity: An assessment of the fitness for purpose of trend tests in hydrology [PDF]
, 2018 The detection and attribution of long-term patterns in hydrological time series have been important research topics for decades. A significant portion of the literature regards such patterns as ‘deterministic components’ or ‘trends’ even though the ...
Kilsby, Chris G. +2 more
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Dissipation Induced Nonstationarity in a Quantum Gas [PDF]
Physical Review Letters, 2019 Non-stationary long-time dynamics was recently observed in a driven two-component Bose-Einstein condensate coupled to an optical cavity [N. Dogra, et al. arXiv:1901.05974] and analyzed in mean-field theory. We solve the underlying model in the thermodynamic limit and show that this system is always dynamically unstable -- even when mean-field theory ...
Berislav Buča, Dieter Jaksch
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A New Nonstationarity Detector
IEEE Transactions on Signal Processing, 2008 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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Berry phase and nonstationarity of a quantum state [PDF]
Physical Review A, 1995 The intimate connection between the Berry phase and the nonstationarity of a quantum state is discussed. For a quantum system with time-independent Hamiltonian $H$, there may exist stationary states. It is shown that for a stationary state, the Berry phase always vanishes, and only for a nonstationary state after a cyclic evolution might the Berry ...
, Zeng, , Lei
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Applied Sciences, 2022 Conventional drought indices based on stationary assumptions are no longer appropriate for drought assessments conducted under conditions with climate change or anthropogenic influences.
Dian Wu +3 more
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