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A carrier-based modulation (CBM) method is proposed for indirect matrix converters (IMC) to reduce common-mode voltage (CMV). The proposed method is developed by utilizing two triangle carriers with opposite phase, and the phase with the minimum absolute output voltage uses the different carrier. The range of zero-sequence signals is given, and the selection of zero-sequence signals and the arrangement...
In this paper, the effect of digital control on output impedance converter is analyzed. The continuous time equivalent model is used to describe the digital control system in voltage mode, then output impedance is derived by small-signal model. The time delay caused by digital control is considered to analyze output impedance. The analysis indicates that digital control sharpens the peak of output...
The paper presents a promising application of the coherent demodulation technique to improving hearing with cochlear implants. It has been a challenge to encode temporal fine structure (TFS) in cochlear implants for better speech and music perception. We propose a pitch-synchronized coherent demodulation strategy-Harmonic Single Sideband Encoder (HSSE)-to efficiently encode TFS cues. A dynamic carrier...
Blind equalization based on compensation fuzzy neural network has proposed. It using compensation neurons to get tradeoff between negative and active operation, thus the network can be training using fuzzy rule of initial right or wrong setting, and fault tolerance and stability are improved. Simulations results show that this algorithm has faster convergence speed and less residual error compared...
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