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Single RF MIMO communication emerges a novel low cost communication method which does not consume as much power as the conventional MIMO. The implementation of such single RF MIMO system is done by mapping the weighting factors to the polarizations or the radiation patterns of the antennas. In order to have such performance, an antenna with rich pattern modes is required by the system, thus the ESPAR...
As the foundation of line loss management job, it is necessary to be researched deeply. At this stage, for low voltage distribution network loss calculation, mainly concentration was focused on the accuracy of the theoretical calculation basing the existing system parameters. As the simplicity of equivalent resistance method, it had a wide range of applications. But the influence of the line loss...
The penetration of distributed generation resources in distribution grids increasing worldwide, it is both a challenge and an opportunity for a variety of technologies and operating scenarios. The need to provide acceptable power quality and reliability will create a very favorable climate for the entry of distributed resources and innovative operating practices. Distributed resources is a term that...
An empirical DC to high frequency equivalent circuit model for InP HBTs is presented in this paper. The model takes into account the dc soft-knee effect, bias-dependent extrinsic and intrinsic base-collector capacitances. This modeling methodology is successfully applied to predict dc, small-signal S-parameters for an InP/InGaAs HBT.
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