نتایج جستجو برای: linear trend disturbance
تعداد نتایج: 636033 فیلتر نتایج به سال:
In this paper we investigate a simple nonlinear shift-invariant transformation with respect to its nonlinear properties relevant in cryptographic applications. With respect to diierential cryptanalysis it is shown that the space of possible disturbances at the output of the transformation caused by a disturbance at the input of the transformation can be described as an aane variety. All disturb...
Although fatigue and sleep disturbance are prevalent symptoms in oncology patients and their family caregivers, little is known about the factors that contribute to interindividual variability in symptom severity ratings as well as in their underlying biological mechanisms. In this study, we sought to determine whether a functional genetic variation in a prominent proinflammatory cytokine, tumo...
A tracking control algorithm based on a disturbance estimation scheme is studied. The tracking control problem is formulated as a disturbance rejection problem, with all the system nonlinearities and uncertainties lumped into disturbance. A disturbance estimation scheme is proposed, which is based on a nominal linear plant dynamics plus proportional error feedback corrections. The tracking cont...
Vegetation is the main component of terrestrial Earth, and it plays an imperative role in carbon cycle regulation surface water/energy exchange/balance. The coupled effects climate change anthropogenic forcing have undoubtfully impacted vegetation cover linear/non-linear manners. Considering essential benefits to environment, vital investigate dynamics through spatially temporally consistent wo...
Background & Objectives: The aim of the study was to determine age, period, and cohort effects on trend of alcohol and drug use in the students of Tehran University of Medical Sciences from 2006 to 2009. Methods: Between 2006 and 2009, the students of Tehran University of Medical Sciences were surveyed annually using a structured self-administered and anonymous questionnaire. Intrinsic estim...
Learning accurate probabilistic models from data is crucial in many practical tasks in data mining. In this paper we present a new non-parametric calibration method called ensemble of linear trend estimation (ELiTE). ELiTE utilizes the recently proposed ℓ1 trend ltering signal approximation method [22] to find the mapping from uncalibrated classification scores to the calibrated probability est...
In this paper, we construct the uniform confidence band (UCB) of a time-varying trend in a partially linear model. A two-stage local linear regression is proposed to estimate the time-varying trend. Based on this estimate, we develop an invariance principle to construct the UCB of the trend function. The proposed methodology is used to estimate the Non-Accelerating Inflation Rate of Unemploymen...
The disturbance decoupling problem is studied for linear delay systems. The structural approach is used to design a decoupling precompensator. The realization of the given precompensator by static state feedback is studied. Using various structural and geometric tools, a detailed description of the feedback is given, in particular, derivative of the delayed disturbance can be needed in the real...
This technical note considers the problem of resource allocation in linear feedback control system with output disturbance. By decomposing the information rate in the feedback communication channel, the channel resource allocation is thoroughly analyzed. The results show that certain amount of resource is used to transmit the output disturbance and this resource allocation is independent from f...
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