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The IEEE is currently developing a standard “Electrical characterization of printed circuit board and related interconnects at frequencies up to 50GHz” (IEEE Std P370). As part of the development of this standard, a technique (or techniques) is (are) required in order to provide a measure of the goodness-of-fit between measured and simulated data for a structure or between different measurements or...
Studies of time-varying or dynamic brain connectivity (BC) using functional magnetic resonance imaging (fMRI) are crucial to understand the relationship between different brain regions. This paper presents a novel method for estimating dynamic BC using a time-varying multivariate autoregressive (AR) model with spatial sparsity and temporal continuity constraints. The problem is formulated as a maximum...
It is of increasing interest in systems biology to discover gene regulatory networks (GRNs) from time-series genomic data, i.e., to explore the interactions among a large number of genes and gene products over time. Currently, one common approach is based on Granger causality, which models the time-series genomic data as a vector autoregressive (VAR) process and estimates the GRNs from the VAR coefficient...
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