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fast time-varying systems

A robust ICI suppression based on an adaptive equalizer for very fast time varying channels in LTE R systems

A robust ICI suppression based on an adaptive equalizer for very fast time varying channels in LTE R systems

... time-varying channel and leads to the impairment of orthogonality among subcarriers. This is because of the Doppler shift and phase noise, which results in inter- carrier interference (ICI). The ...

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Improving Wireless MIMO System Performance with Channel Estimation Based Block Coding

Improving Wireless MIMO System Performance with Channel Estimation Based Block Coding

... such systems. MIMO antenna systems are used in recent wireless communications like WiMAX, IEEE ...the fast time varying channel ...

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Stabilization Criteria for Bilinear Systems with Time varying Delay

Stabilization Criteria for Bilinear Systems with Time varying Delay

... Table 1. Note that the results of [2, 4, 5, 7, 9, 10] fail to deal with this system since the matrix describing the relationship between the slow and fast variables cannot be determined beforehand. For this case, ...

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Fault estimation and accommodation for switched systems with time-varying delay

Fault estimation and accommodation for switched systems with time-varying delay

... with time-varying ...fault fast and exactly, but also is adaptive to estimate two type of fault: constant fault case and time-varying fault ...

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A Comparison of Evolutionary Algorithms for Tracking Time Varying Recursive Systems

A Comparison of Evolutionary Algorithms for Tracking Time Varying Recursive Systems

... of time-varying problem. On slowly varying systems, for example, a more or less conventional EA provided good ...scale time variations, the wider ranging search of the ran- dom ...

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Fast time-varying linear filters for suppression of baseline drift in electrocardiographic signals

Fast time-varying linear filters for suppression of baseline drift in electrocardiographic signals

... The advantage of the proposed algorithm lies in the extremely fast computation of its response due to simplicity of the used filter. As mentioned in the part Computational complexity in "Results" section, ...

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Computationally Efficient Partial Crosstalk Cancellation in Fast Time-Varying DSL Crosstalk Environments

Computationally Efficient Partial Crosstalk Cancellation in Fast Time-Varying DSL Crosstalk Environments

... VDSL systems, including burst transmission systems and systems that use quiescent modes, the transmitter is silent or generates only a pilot tone to reduce power consumption and crosstalk lev- els ...

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Input to state stability for discrete time time varying systems with applications to robust stabilization of systems in power form

Input to state stability for discrete time time varying systems with applications to robust stabilization of systems in power form

... control systems, which have a special structure called power ...of systems to achieve SP-ISS of the closed-loop system, for the follow- ing ...of systems, and second, because of the prevalence of ...

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On the Model Reduction of Discrete Time-Varying Systems

On the Model Reduction of Discrete Time-Varying Systems

... model systems operating under varying conditions, is needed in many applications, such as large space structures, flexible flight systems, nuclear reactors, microphone transmitter which contain a ...

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Input to state stability for parameterized discrete time time varying nonlinear systems with applications

Input to state stability for parameterized discrete time time varying nonlinear systems with applications

... controlled systems and the fact that nonlinearities that arise naturally in most plants dynamics often cannot be neglected in con- troller design, have driven people to study and in- vestigate nonlinear ...

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Strain Induced Vortex Core Switching in Planar Magnetostrictive Nanostructures

Strain Induced Vortex Core Switching in Planar Magnetostrictive Nanostructures

... We next demonstrate the effect of a time-varying strain on the magnetization dynamics of a planar nanostructure con- taining a flux closed domain structure with a central vortex core. In order to calculate ...

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A DISCRETE-TIME SLIDING MODE CONTROLLER WITH MODIFIED FUNCTION FOR LINEAR TIME- VARYING SYSTEMS

A DISCRETE-TIME SLIDING MODE CONTROLLER WITH MODIFIED FUNCTION FOR LINEAR TIME- VARYING SYSTEMS

... This paper contains the linear time varying systems with discrete time sliding mode control with modified switching function. The changed sliding surface improves control input in the initial ...

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Strain induced vortex core switching in planar magnetostrictive nanostructures

Strain induced vortex core switching in planar magnetostrictive nanostructures

... We next demonstrate the effect of a time-varying strain on the magnetization dynamics of a planar nanostructure con- taining a flux closed domain structure with a central vortex core. In order to calculate ...

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Decentralized H∞ Control of Interconnected Systems with Time-varying Delays

Decentralized H∞ Control of Interconnected Systems with Time-varying Delays

... practical systems such as engineering physics, neural networks, and communications networks, telecommunications, ...interconnected systems have been the subject of many works and vari- ous techniques and ...

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Asynchronous H∞ filtering for switched stochastic systems with time-varying delay

Asynchronous H∞ filtering for switched stochastic systems with time-varying delay

... hybrid systems in engineering ...switched systems have recently gained considerable attention [2-4]. Since time delay frequently appears in the real systems and is a source of the poor ...

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Stability of neutral type descriptor systems with multiple time varying delays

Stability of neutral type descriptor systems with multiple time varying delays

... the time delay is frequently viewed as a source of instability and encountered in various engineering systems such as chemical processes, long transmission lines in pneumatic systems, networked ...

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Controllability and observability of complex [r] matrix time varying impulsive systems

Controllability and observability of complex [r] matrix time varying impulsive systems

... [r]-matrix time-varying impulsive systems has been addressed for the first ...[r]-matrix time- invariant systems have also been ...

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Reliable L1 control of positive switched systems with time varying delays

Reliable L1 control of positive switched systems with time varying delays

... nonlinear systems with time delays is addressed in [], and a reliable control method for uncertain switched systems with time-varying delays and actuators faults is presented in ...

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Flocking for Leader Following Multi Agent Systems with Time Varying Delay

Flocking for Leader Following Multi Agent Systems with Time Varying Delay

... This paper mainly discusses the flocking problem of multi-agent system with a virtual leader and time-varying delay. Unlike most existing flocking algorithms, each agent here is subject to nonlinear ...

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-gain for a Class of Switched Systems with Nonlinear Disturbance and Time-varying Delay

-gain for a Class of Switched Systems with Nonlinear Disturbance and Time-varying Delay

... linear systems with time-varying ...of time delay is ...dwell time approach, some sufficient conditions in forms of linear matrix inequalities are presented to ensure the exponen- tial ...

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