− This article presents further testing and verification results for a previously introduced new intelligent regulation method that controls the power-electronic Buck converter utilizing a small-signal model of the pulse width modulation (PWM) switch. The implemented intelligent control method uses a fuzzy-PID controller that is tuned using the global search method of genetic algorithm (GA). Th...

the hierarchical hub location problem is encountered three-level network that is applied in production-distribution system, education system, emergency medical services, telecommunication network, etc. this paper addresses the hierarchical hub covering problem with single assignment accounting for mandatory dispersion of central hubs restriction as a special case. this formulation with incorpor...

conclusions caffeine has a potential role for pain modulation. current evidence on caffeine use for migraine and terminal stage cancer is not well-established. future studies should address the use of caffeine alone for different types of pain with dose escalation and standardization of outcome measurement. evidence acquisition the data on caffeine as an adjuvant therapy or as a main component ...

T-DMB (Terrestrial Digital Multimedia Broadcasting) system, is based on the Eureka-147 standard, provides various multimedia data services. However TDMB needs more various services and higher throughput while maintaining reception. Therefore, this paper proposes advanced T-DMB system using the unequal error protection system, hierarchical multi level modulation and various coding scheme which i...

each license plate recognition system is composed of three main parts, namely, license plate detection, character segmentation and character recognition. in this paper, we focus on the improvement and innovation of the character recognition step. for this purpose, a new hierarchical architecture based on support vector machines (svms) is suggested for persian license plate characters recognitio...

The research work presented in this thesis deals with the study, derivation and optimization of partially con-volutional turbo coded modulation schemes aiming at improving the performance of wireless and wirelinebroadband digital communication systems based on OFDM and DMT technologies. Our efforts are focusedon providing coding methods that yield a good trade-off in terms of pe...

The exact mechanisms whereby the cholinergic neurotransmitter system contributes to attentional processing remain poorly understood. Here, we applied computational modeling to psychophysical data (obtained from a spatial attention task) under a psychopharmacological challenge with the cholinesterase inhibitor galantamine (Reminyl). This allowed us to characterize the cholinergic modulation of s...

Image compression methods for progressive transmission using optimal hierarchical decomposition, partition priority coding (PPC), and multiple distribution entropy coding (MDEC) are presented. In the proposed coder, a hierarchical subband/wavelet decomposition transforms the original image. The analysis filter banks are selected to maximize the reproduction fidelity in each stage of progressive...

RIG-I is an essential receptor in the initiation of the type I interferon (IFN) signaling pathway upon viral infection. Although K63-linked ubiquitination plays an important role in RIG-I activation, the optimal modulation of conjugated and unanchored ubiquitination of RIG-I as well as its functional implications remains unclear. In this study, we determined that, in contrast to the RIG-I CARD ...

Electric-fi eld-induced hierarchical, multiscale patterning of incompletely cross-linked viscoelastic polydimethylsiloxane (PDMS) fi lms is achieved by spatiotemporal variation of the fi eld, which produces a multiplicity of complex mesopatterns from the same electrode. Experiments and simulations are employed to uncover pathways of hierarchical pattern formation. Spatial modulation of the fi e...