Browsing Τμήμα Μαθηματικών και Στατιστικής / Department of Mathematics and Statistics by Subject "Bandwidth"
Now showing items 1-10 of 10
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Article
Complex-valued tapers
(2005)The spectral estimation method based on the average of short, tapered periodograms is re-examined. The bias of such estimators is typically O(1/b2), where b is the length of the short blocks. Much of the current researeh ...
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Conference Object
Congestion control for differentiated-services using non-linear control theoryABC
(2001)The growing demand of computer usage requires efficient ways of managing network traffic in order to avoid or at least limit the level of congestion in cases where increases in bandwidth are not desirable or possible. Using ...
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Article
Distribution theory for the studentized mean for long, short, and negative memory time series
(2013)We consider the problem of estimating the variance of the partial sums of a stationary time series that has either long memory, short memory, negative/intermediate memory, or is the first-difference of such a process. The ...
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Article
Higher-order accurate polyspectral estimation with flat-top lag-windows
(2009)Improved performance in higher-order spectral density estimation is achieved using a general class of infinite-order kernels. These estimates are asymptotically less biased but with the same order of variance as compared ...
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Article
Identification and high bandwidth control of hard disk drive servo systems based on sampled data measurements
(2007)One of the key factors that determines the track density of a hard disk drive (HDD) is the performance characteristics of the HDD servo system, the control system that positions the READ/WRITE magnetic head close to the ...
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Conference Object
Integrated control of connection admission, flow rate, and bandwidth for ATM based networksAAA
(1996)We consider the combined control problem of connection admission, flow rate, and bandwidth allocation (capacity, service-rate) under nonstationary conditions. A fluid flow model in state variable form describes the time ...
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Conference Object
Integrated switching strategy for ABR traffic control in ATM networksAAA
(1997)In this paper we extend earlier results on combined control problem of connection admission, flow rate, and bandwidth allocation (capacity, service-rate) in ATM based networks under nonstationary conditions to the multiple ...
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Article
Merging information for semiparametric density estimation
(2004)The density ratio model specifies that the likelihood ratio of m - 1 probability density functions with respect to the mth is of known parametric form without reference to any parametric model. We study the semiparametric ...
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Conference Object
Multirate adaptive notch filter with an adaptive bandwidth controller for disk drives
(2008)This paper presents the simulation results performed of a multirate adaptive notch filter with adaptive bandwidth controller for disk drives. The resonant modes of a disk drive may be uncertain and vary between units, and ...
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Conference Object
Servo Control Design for a Hard Disk Drive Based on Estimated Head Position at High Sampling Rates
(2003)In this paper we use the ACORN estimator that generates estimates of the head position by processing servo burst and data sector measurements of the mean square error (MSE), to provide head position error measurements at ...