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This paper presents a shunt active power filter (SAPF) based on voltage detection method to control harmonic voltage in a radial distribution feeder. The harmonic voltage distortion is suppressed by injecting appropriate harmonic currents into the system. The proposed voltage-detection SAPF has a novel multi-channel complex-gain controller, which is designed to improve system stability margins and...
A wide range of communication-intensive real-time multimedia applications over networks require guaranteed end- to-end quality of service (QoS). QoS-routing in networks aims to find feasible routes that have sufficient resources to satisfy imposed QoS-constraints. The bounded-delay minimum-cost path problem of QoS-routing is provably difficult; several efficient heuristic algorithms exist for computing...
Single line test structures are suggested for failure analysis and reliability improvement development, apart from using the conventional comb test structures. This is due to the challenges in controlling the damage after electrical tests as well as in pin-pointing sub-surface failures with present techniques. Three failure modes were observed in the new test structure, which can be identified by...
Resiliency of OCDM-PON is investigated through theoretical and numerical simulation. A 32-ONU system can achieve BER=10-9 and overcome the near-far problem when synchronous operation, power leveling, and LDPC error correction are used.
This paper presented a modeling procedure for a DC traction power system (TPS) of electrified railway to study lightning transients with EMTP. The TPS included overhead lines, electric cables on the ground, masts and other associated components. The nonlinear ionization characteristic of earth resistance and the flashover characteristic of insulators were taken into account. These models were integrated...
We investigate the optical clock recovery operation of a colliding-pulse mode-locked laser with integrated active-passive waveguides. Nearly transformed-limited 10 GHz recovered clock signal was demonstrated with low timing jitter and error free performance
The authors report on current-induced domain wall (DW) movement in synthetic spin valves. The high exchanged field in synthetic antiferromagnets (SAF) keeps the the magnetization of the pinned layer unchanged during the measurement. Thus, the GMR measurement allows to an accurate determination of the DW position and displacement.
Magnetotransport and current-induced magnetic domain wall displacement is studied in the CoFe layer of a submicron pseudo-spin-valve stripe (Ta/CoFe/Cu/NiFe/Ta) on the oxidized Si wafer. The magnetoresistance (MR) loop and magnetization configurations of the submicron stripe were obtained.
Capacitor setting/switching and network reconfiguration are two important means for optimizing the operating condition of the distribution systems. For both of them are complicated combinatorial algorithms, it is hard to effectively combine these two important means to do better optimization. In this paper, a joint optimization algorithm, based on the combination of capacitor switching and network...
We report error-free spectral encoding and decoding operation of an InP monolithic, ultra-compact optical-CDMA encoder/decoder photonic chip pair. The experimental results demonstrate the strong potential for realizing high performance O-CDMA networks with InP micro-systems
We propose a novel non-uniform spectral encoding scheme in a SPECTS O-CDMA system. Simulations incorporating measured mode-locked laser pulse spectrum indicate that enhanced BER performance and 8-fold increase in system capacity are possible
This paper presented an extended PEEC method for evaluating electromagnetic fields in the presence of non-ferromagnetic plates. The method was tested on a plate model. The results were compared with those from a BEM-based problem. A good agreement was observed
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