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As results of high-cost, technique barriers, and low yields, 3D IC is still unable to be a general productive product. Therefore, 2.5D IC has become a very important transitional product instead of 3D IC, although it currently needs to face some critical issues in package process, particularly for interface delamination caused by adhesion insufficiency due to warpage stress after reflow temperature...
In Extra/High-Voltage (EHV/HV) power systems, over-voltages occur e.g. due to transients or resonances. At places where no conventional voltage measurement devices can be installed, on-site measurement of these occurrences requires preferably non intrusive sensors, which can be installed with little effort under all circumstances. This paper presents three methods, which involve different algorithms...
Polarization mode dispersion (PMD) is a major impediment towards high speed data transmission in optical network systems. In order to plan and budget for network outages, an accurate analysis of PMD measurements is required. In this paper we experimentally characterize a deployed buried cable for both first and second-order polarization mode dispersion, and evaluate the statistical nature of first-order...
We design a polarization mode dispersion (PMD) emulator with a fixed root-mean-square differential group delay (RMS-DGD) but varying second-order PMD (SOPMD) using only a combination of polarization maintaining fibres and a polarization controller. Besides controlling the mean PMD values of the emulator, simultaneous adjustments in the maximum and minimum values of PMD statistics can be performed...
An ultra-portable power system driven by a mesoscaled internal combustion swing engine (MICSE) is introduced. The characteristics of a permanent magnet (PM) AC generator operating under oscillatory motion are shown and the velocity profile of the rotor is approximated by a simple mathematical function suitable for use in a FEA simulation. A generator topology is presented and the effects of certain...
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