Results 21 to 30 of about 23,945,233 (235)
On the Gravitomagnetic Time Delay [PDF]
, 2002 We study the gravitational time delay in ray propagation due to rotating masses in the linear approximation of general relativity. Simple expressions are given for the gravitomagnetic time delay that occurs when rays of radiation cross a slowly rotating ...
Abell +35 more
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IEEE Transactions on Acoustics, Speech, and Signal Processing, 1981 This paper presents a tutorial review of work in time delay estimation. A derivation of the ML estimator for time delay is presented together with an interpretation of that estimator as a special member of a class of generalized cross correlators. The performance of the estimator is given for both high and low signal to noise ratio cases.
openaire +1 more source
Cosmological constant and time delay [PDF]
, 2008 The effect of the cosmological constant on the time delay caused by an isolated spherical mass is calculated without using the lens equation and compared to a recent observational bound on the time delay of the lensed quasar SDSS J1004+4112.Comment: 8 ...
Einstein +11 more
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Time-delay interferometry without delays [PDF]
Physical Review D, 2021 The space-based gravitational-wave observatory LISA relies on a form of synthetic interferometry (time-delay interferometry, or TDI) where the otherwise overwhelming laser phase noise is canceled by linear combinations of appropriately delayed phase measurements.
Michele Vallisneri +3 more
openaire +3 more sources
Delay time and tunneling transient phenomena [PDF]
, 2002 Analytic solutions to the time-dependent Schr\"odinger equation for cutoff wave initial conditions are used to investigate the time evolution of the transmitted probability density for tunneling.
A.P. Jauho +14 more
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Time-Delay Observables for Koopman: Theory and Applications [PDF]
SIAM Journal on Applied Dynamical Systems, 2018 Nonlinear dynamical systems are ubiquitous in science and engineering, yet analysis and prediction of these systems remains a challenge. Koopman operator theory circumvents some of these issues by considering the dynamics in the space of observable ...
M. Kamb, E. Kaiser, S. Brunton, J. Kutz
semanticscholar +1 more source
Time-Delay and Fractional Derivatives
Advances in Difference Equations, 2011 This paper proposes the calculation of fractional algorithms based on time-delay systems. The study starts by analyzing the memory properties of fractional operators and their relation with time delay.
Tenreiro Machado JA
doaj +2 more sources
Integrability for Nonlinear Time-Delay Systems [PDF]
, 2016 In this note, the notion of integrability is defined for 1-forms defined in the time-delay context. While in the delay-free case, a set of 1-forms defines a vector space, it is shown that 1-forms computed for time-delay systems have to be viewed as ...
Califano, Claudia +2 more
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Frontiers in Energy Research, 2023 With the increasing integration of distributed photovoltaic (PV) generation, the distribution network has met many challenges in operation and control.
Maodong Shen +3 more
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Accessibility of Nonlinear Time-Delay Systems [PDF]
, 2017 A full characterization of accessibility is provided for nonlinear time-delay systems. It generalizes the rank condition which is known for weak controllability of linear time-delay systems, as well as the celebrated geometric approach for delay-free ...
Califano, Claudia, Moog, Claude H.
core +3 more sources