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This paper presents a versatile test bench for the investigation of the power electronics converter and its control for different wind energy conversion concepts. A three-level back-to-back converter connects a drive train consisting of an induction machine and a synchronous machine to the grid. 4-quadrant operation is feasible on both sides controlling the converter either in 2- or 3-level mode....
This paper gives a channel coding solution which meets the national standards of mobile multimedia broadcasting, the result of simulation shows that QC-LDPC has a good performance while the signals with a extremely low SNR transmitted in AWGN channel. According to the standards, it analyzes the method of implementing the QC-LDPC with FPGA. For the specialty of the quasi-cycle coding matrix, it adopt...
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