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This paper presents the design analysis and improvement of an Insulated Gate Bipolar Transistor (IGBT) gate drive circuit for the magnet power supplies of accelerator systems. By exploring the effects of the gate driving current and resistance, a low noise gate driver was developed and evaluated. The dv/dt and di /dt values that affect voltage and current spikes are modeled through the physics-based...
The SVD algorithm is an efficient method for the coherent DOA estimation, but it just fits only for the uniform linear array. A method of the coherent DOA estimation based on UCA is proposed in this paper. Through combining model-switching with SVD algorithm, it can improve the performance of decorrelation for uniform circular array. The computer simulations showed that this method has a good performance...
As a medium of signal transmission, communication using power line offers a convenient and inexpensive solution for multimedia signal transmission and control applications. This paper aims to present a de-noising scheme which is a combination between chaotic parameter modulation and wavelet transform in power line communications (PLC). The proposed communication scheme is based on two key ideas. The...
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