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This letter summarizes a special stream of the IEEE Geoscience and Remote Sensing Letters devoted to understanding the heterogeneity in soil moisture, evapotranspiration, and other related ecohydrological variables based on multiscale observations from satellite-based and airborne remote sensors, a flux observation matrix, and an ecohydrological wireless sensor network in the Heihe Watershed Allied...
In this paper, the stability performance of multi-area AGC system with real parameter uncertainties/perturbations and communication delays is analyzed. By virtue of Linear Fractional Transformation (LFT) technique, a M-Δ structure with mixed structured uncertainties is developed. An optimization model to evaluate the delay margins at different parameter perturbations is proposed and an algorithm based...
Low-power circuits are especially sensitive to the increasing levels of process variability and uncertainty. In this paper we study the problem of leakage power minimization through dual Vth design techniques in the presence of significant Vth variation. For the first time we consider the optimal selection of Vth under a statistical model of threshold variation. Probabilistic analytical models are...
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