Results 261 to 270 of about 4,998,226 (295)
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Rate control versus rhythm control
Current Opinion in Internal Medicine, 2005The results of five randomized clinical trials comparing rate control with rhythm control in the management of atrial fibrillation have been published recently. The purpose of this report is to review their main results and selected subanalyses and other related data to offer practical recommendations regarding the treatment of patients with this ...
Humberto, Vidaillet, Robert T, Greenlee
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Impulse Control of Interest Rates
SSRN Electronic Journal, 2013This paper examines the effect that a central bank's interventions have on longer term interest rate securities by examining a stochastic short rate process that can be controlled by the central bank. Rather than investigate the motivations for the intervention, we assume that the bank is able to quantify its preferences and tolerances for various ...
Daniel Mitchell +2 more
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Integrator backstepping for rounded controls and control rates
IEEE Transactions on Automatic Control, 1998A set of conditions guaranteeing the existence of a stabilizing control law for a class of nonlinear systems is presented. A backstepping procedure is proposed such that the magnitudes of both the control signal and its derivative are bounded by constants which do not depend on the initial conditions.
Randy A. Freeman, Laurent Praly
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New England Journal of Medicine, 1982
THE goal of pharmaceutical research is to find drugs with desirable therapeutic properties and low risks of undesirable side effects.
Jan Koch-Weser, Peter Goldman
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THE goal of pharmaceutical research is to find drugs with desirable therapeutic properties and low risks of undesirable side effects.
Jan Koch-Weser, Peter Goldman
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Rate control for MPEG transcoders
IEEE Transactions on Circuits and Systems for Video Technology, 2001In MPEG, the input pictures can be coded in three different types: I, P, and B. The three pictures require quite different numbers of bits because of different natures of their temporal processing. Hence, an intelligent bit-allocation strategy should assign a picture the number of bits according to the picture's type, as well as the picture ...
Limin Wang 0009 +2 more
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2001
To prevent the loss of the information embedded in the generated variable bit rate data that is transmitted over a constant bit rate channel, several methods were proposed in MPEG TMN5, H.263+ TMN5, and TMN8. In these methods, the quantity of coded data is controlled by adjusting the coding parameters according to the amount of data remaining in the ...
Anthony G. Nguyen, Jenq-Neng Hwang
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To prevent the loss of the information embedded in the generated variable bit rate data that is transmitted over a constant bit rate channel, several methods were proposed in MPEG TMN5, H.263+ TMN5, and TMN8. In these methods, the quantity of coded data is controlled by adjusting the coding parameters according to the amount of data remaining in the ...
Anthony G. Nguyen, Jenq-Neng Hwang
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Rate control in atrial fibrillation
The Lancet, 2016Control of the heart rate (rate control) is central to atrial fibrillation management, even for patients who ultimately require control of the rhythm. We review heart rate control in patients with atrial fibrillation, including the rationale for the intervention, patient selection, and the treatments available. The choice of rate control depends on the
Van Gelder, Isabelle C. +3 more
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Rate Control in Atrial Fibrillation
Cardiac Electrophysiology Clinics, 2010Rate control may now be adopted as a first-choice therapy in a variety of patients, especially older relatively asymptomatic patients with hypertension or other underlying heart diseases. The goal of rate control therapy is to minimize symptoms, improve quality of life, decrease the risk of development of heart failure, and prevent thromboembolic ...
Isabelle C, Van Gelder +1 more
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Rate control for wideband radios
IEEE Communications Letters, 2002We show a technique to control the data rate emitted by wideband radio terminals. This technique is designed for adapting terminals to channel capacity variations. The proposal is based on notifying the application layer of the channel status. This information is generated by the packet scheduler, which is designed for guaranteeing appropriate channel ...
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FILTER RATE CONTROL WITHOUT RATE CONTROLLERS
Journal AWWA, 1969Control of filtration rate for gravity sand filters has long been achieved by effluent rate control systems. Two systems of influent rate control are now available that have many advantages over the traditional system, with one method used in Taiwan showing especial promise.
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