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Modern Management of Asymptomatic Carotid Stenosis: A Meta‐Analysis of CREST‐2, SPACE‐2, and ECST‐2
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Background Recent randomized trials (CREST‐2, SPACE‐2, and ECST‐2) have compared carotid revascularization (carotid endarterectomy [CEA] or carotid artery stenting [CAS]) plus contemporary medical therapy (CMT) versus CMT alone in asymptomatic carotid stenosis.
Aasim Ali +14 more
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Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective The prognosis of glioblastoma (GBM) remains highly unfavorable, largely due to high tumor heterogeneity and an immunosuppressive microenvironment. However, the functional role of PANoptosis in this context is poorly understood. Methods Patients were stratified via K‐means clustering. A risk score model was constructed using prognosis‐
Langfei Tian +6 more
wiley +1 more source
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Delayed controllers for time-delay systems
Communications in Nonlinear Science and Numerical Simulation, 2023zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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Time delay in tunneling: Transmission and reflection time delays
Physical Review A, 1988The problem of time delay in one-dimensional quantum-mechanical scattering by a potential barrier is studied in the framework of time-dependent scattering theory. It is shown how the concept of sojourn time can be used to define three separate time delays: the time delay for transmission through the barrier, the time delay for reflection, and the total
, Jaworski, , Wardlaw
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Fusion of time delayed measurements with uncertain time delays
Proceedings of the 2005, American Control Conference, 2005., 2005In this paper we consider the problem of estimating the state of a dynamic system from a sequence of observations that are imprecisely timestamped. We argue that this problem can be addressed using the covariance union (CU) technique, and we demonstrate its application in a particular example.
Simon J. Julier, Jeffrey K. Uhlmann
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TIME-DELAYED FEEDBACK CONTROL OF TIME-DELAY CHAOTIC SYSTEMS
International Journal of Bifurcation and Chaos, 2003This paper addresses time-delayed feedback control (DFC) of time-delay chaotic systems. To extend the DFC approach to time-delay chaotic system, alter having been successfully used in chaotic systems without time-delays, the standard feedback control (SFC) method is firstly employed to show the main control technique in this paper based on one error ...
Xinping Guan +3 more
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Telemanipulation with Time Delays
The International Journal of Robotics Research, 2004In this paper we survey the development of the wave variable concept and examine wave-based teleoperation. We study the behavior of force reflecting systems under unknown but constant transmission delays, ranging from periods less than the human reaction time to several seconds.
Günter Niemeyer +1 more
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ICASSP '76. IEEE International Conference on Acoustics, Speech, and Signal Processing, 2005
A maximum likelihood (ML) estimator is derived for determining time delay between two signals observed in the presence of uncorrelated noise, under the assumptions of known signal and noise spectral characteristics. This ML estimator can be realized as a pair of receiver prefilters followed by a cross correlator.
G. Clifford Carter, Charles H. Knapp
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A maximum likelihood (ML) estimator is derived for determining time delay between two signals observed in the presence of uncorrelated noise, under the assumptions of known signal and noise spectral characteristics. This ML estimator can be realized as a pair of receiver prefilters followed by a cross correlator.
G. Clifford Carter, Charles H. Knapp
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Proceedings of the 41st IEEE Conference on Decision and Control, 2002., 2003
This note sketches an extension to systems with time delays of the decoupling technique developed by Clarke (1993) for generalized Bolza problems without delays. We indicate briefly how it can be used to derive necessary conditions for such problems.
Norma Ortiz, Peter R. Wolenski
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This note sketches an extension to systems with time delays of the decoupling technique developed by Clarke (1993) for generalized Bolza problems without delays. We indicate briefly how it can be used to derive necessary conditions for such problems.
Norma Ortiz, Peter R. Wolenski
openaire +2 more sources