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Recent Submissions
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Many-body effects in a two-component, one-dimensional electron gas with repulsive, short-range interactions
(Elsevier, 1998-03-09)We investigate the correlation effects in a two-component, one-dimensional electron gas interacting via repulsive δ function interactions. Electron correlations are treated within the approximation scheme of Singwi, Tosi, ... -
Characterization of sleep spindles using higher order statistics and spectra
(IEEE, 2000-08)This work characterizes the dynamics of sleep spindles, observed in electroencephalogram (EEG) recorded from humans during sleep, using both time and frequency domain methods which depend on higher order statistics and ... -
Convolution, filtering, and multiplexing in fractional Fourier domains and their relation to chirp and wavelet transforms
(, 1994)A concise introduction to the concept of fractional Fourier transforms is followed by a discussion of their relation to chirp and wavelet transforms. The notion of fractional Fourier domains is developed in conjunction ... -
Single-crystal sum-frequency-generating optical parametric oscillator
(Optical Society of America, 1999)We report a synchronously pumped optical parametric oscillator that generates the sum frequency of the pump and the signal wavelengths. A single KTiOPO4 (KTP) crystal is used for both parametric generation and sum-frequency ... -
Limit to bit rate capacity of electrical interconnects from aspect ratio of system architecture
(Elsevier, 1997-02-25)We show that there is a limit to the total number of bits per second, B, of information that can flow in a simple digital electrical interconnection that is set only by the ratio of the length l of the interconnection ... -
Cross-Term-Free Time-Frequency Distribution Reconstruction via Lifted Projections
(Institute of Electrical and Electronics Engineers, 2015-01)A crucial aspect of time-frequency (TF) analysis is the identification of separate components in a multicomponent signal. The Wigner-Ville distribution is the classical tool for representing such signals, but it suffers ... -
Gibbs random field model based weight selection for the 2-D adaptive weighted median filter
(Institute of Electrical and Electronics Engineers, 1994)A generalized filtering method based on the minimization of the energy of the Gibbs model is described. The well-known linear and median filters are all special cases of this method. It is shown that, with the selection ... -
On the Design of AQM Supporting TCP Flows Using Robust Control Theory
(Institute of Electrical and Electronics Engineers, 2004)Recently it has been shown that the active queue management schemes implemented in the routers of communication networks supporting transmission control protocol (TCP) flows can be modeled as a feedback control system. ... -
Enhanced transmission of electromagnetic waves through split-ring resonator-shaped apertures
(Society of Photo-Optical Instrumentation Engineers (SPIE), 2011-06-21)The design of aperture shape is a promising approach for enhanced transmission through a subwavelength aperture. We designed split-ring-resonator (SRR)-shaped apertures in order to increase the transmission through ... -
InSb high-speed photodetectors grown on GaAs substrate
(American Institute of Physics, 2003)We report InSb-based high-speed photodetectors grown on GaAs substrate. The p-i-n type photodetectors can operate at room temperature. Room-temperature dark current was 4 mA at 1 V reverse bias, and the differential ... -
Job shop scheduling with beam search
(Elsevier, 1999-10-16)Beam Search is a heuristic method for solving optimization problems. It is an adaptation of the branch and bound method in which only some nodes are evaluated in the search tree. At any level, only the promising nodes are ... -
Analysis of reactive scheduling problems in a job shop environment
(Elsevier, 2000-11-01)In this paper, we study the reactive scheduling problems in a stochastic manufacturing environment. Specifically, we test the several scheduling policies under machine breakdowns in a classical job shop system. In addition, ... -
Bivariate distribution and the hazard functions when a component is randomly truncated
(Elsevier, 1997-01)In random truncation models one observes the i.i.d. pairs (Ti≤Yi), i=1, ..., n. If Y is the variable of interest, then T is another independent variable which prevents the complete observation of Y and random left truncation ... -
Weak and strong quantile representations for randomly truncated data with applications
(Elsevier, 1993-05-26)Suppose that we observe bivariate data (X,. q) only when Y, < Xi (left truncation). Denote with F the marginal d.f. of the X’s In this paper we derive a Bahadur-type representation for the quantile function of the pertaining ... -
MPLS Automatic Bandwidth Allocation via Adaptive Hysteresis
(Elsevier, 2011-04-01)MPLS automatic bandwidth allocation (or provisioning) refers to the process of dynamically updating the bandwidth allocation of a label switched path on the basis of actual aggregate traffic demand on this path. Since ... -
Capacity Bounds and Concatenated Codes Over Segmented Deletion Channels
(IEEE, 2013-03)We develop an information theoretic characterization and a practical coding approach for segmented deletion channels. Compared to channels with independent and identically distributed (i.i.d.) deletions, where each bit ... -
Digital computation of linear canonical transforms
(IEEE, 2008-06)We deal with the problem of efficient and accurate digital computation of the samples of the linear canonical transform (LCT) of a function, from the samples of the original function. Two approaches are presented and ... -
On a parameter estimation method for Gibbs-Markov random fields
(IEEE, 1994-04)This correspondence is about a Gibbs-Markov random field (GMRF) parameter estimation technique proposed by Derin and Elliott. We will refer to this technique as the histogramming (H) method. First, the relation of the ... -
Nanometer-scale patterning and individual current-controlled lithography using multiple scanning probes
(American Institute of Physics., 1999-03-19)Scanning probe lithography(SPL) is capable of sub-30-nm-patterning resolution and nanometer-scale alignment registration, suggesting it might provide a solution to the semiconductor industry’s lithography challenges. ... -
Biquadratic transconductance switched capacitor filters
(IEEE, 1993-04)Switched-capacitor (SC) filters yield efficient implementations in integrated form. However, they employ op-amps, each of which must be designed for a given filter separately. Furthermore, SC filters are not tunable. This ...
