Results 241 to 250 of about 1,297,153 (289)
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Journal of Time Series Analysis, 1988
AbstractThe problem considered is that of estimating the delays that arise when a waveform propagates across an array. Problems that arise in previous estimation techniques when the signal‐to‐noise ratio is low are reduced by introducing an improved weighting of frequencies into the formulae and by using finite parameter models to estimate this weight ...
Hannan, E. J., Thomson, P. J.
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AbstractThe problem considered is that of estimating the delays that arise when a waveform propagates across an array. Problems that arise in previous estimation techniques when the signal‐to‐noise ratio is low are reduced by introducing an improved weighting of frequencies into the formulae and by using finite parameter models to estimate this weight ...
Hannan, E. J., Thomson, P. J.
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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 ...
Guan, Xinping +3 more
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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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Remedial and Special Education, 1988
Students labeled mildly handicapped often fail to memorize and retain information such as math facts, sight words, and spellings when taught by traditional instructional procedures. Time delay, a nearly errorless instructional procedure, has been effective in teaching these behaviors to a variety of students.
Kay B. Stevens, John W. Schuster
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Students labeled mildly handicapped often fail to memorize and retain information such as math facts, sight words, and spellings when taught by traditional instructional procedures. Time delay, a nearly errorless instructional procedure, has been effective in teaching these behaviors to a variety of students.
Kay B. Stevens, John W. Schuster
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Physics Reports, 2002
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
de Carvalho, C. A. A. +1 more
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zbMATH Open Web Interface contents unavailable due to conflicting licenses.
de Carvalho, C. A. A. +1 more
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Journal of Dynamic Systems, Measurement, and Control, 1993
A method is presented to minimize residual vibration of structures or lightly damped servomechanisms. The method, referred to as the proportional plus multiple delay (PPMD) control, involves the use of multiple time delays in conjunction with a proportional part to cancel the dynamics of the system in a robust fashion.
Singh, T., Vadali, S. R.
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A method is presented to minimize residual vibration of structures or lightly damped servomechanisms. The method, referred to as the proportional plus multiple delay (PPMD) control, involves the use of multiple time delays in conjunction with a proportional part to cancel the dynamics of the system in a robust fashion.
Singh, T., Vadali, S. R.
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TIME DELAY AND INHOMOGENEITIES
The Ninth Marcel Grossmann Meeting, 2002Gravitational leasing plays an important role in studing the cosmological parameters, since propagation of light rays in curved spacetime is intrinsically connected to the structure of the universe. In particular,it depends also on the clumps of matter that it encounters on its way from the source to the observer...
de Ritis, R. +2 more
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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.
S.J. Julier, J.K. Uhlmann
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1999
A time-delay under the context of process control systems may be defined as the time interval from the application of a control signal to any observable change in the process variable. Time delays have always been among the most difficult problems encountered in process control. It could occur for various reasons and in different magnitudes.
Qing-Guo Wang +2 more
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A time-delay under the context of process control systems may be defined as the time interval from the application of a control signal to any observable change in the process variable. Time delays have always been among the most difficult problems encountered in process control. It could occur for various reasons and in different magnitudes.
Qing-Guo Wang +2 more
openaire +1 more source