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We experimentally demonstrate the use of artificial neural networks trained with parameters derived from both delay-tap plots and eye diagrams for multi-impairment monitoring in a 40-Gbit/s non-return-to-zero on-off keying system.
A novel pulse design based on the modified Hermite functions has been proposed in this paper. The novel pulse not only can confirm the FCC mask, but also suit for multi-access. Moreover, it has no DC components for all orders. Besides, theoretical and simulation analyses in various environments in the presence of timing jitter are made to study the anti-jitter performance of different pulse shape...
The paper describes a four-order delta-sigma modulation (DSM) with 15 levels quantizer which is used in a 24-bit 44.1-kHz sample-rate audio digital-to-analog converter (DAC). An odd level quantizer has been chosen instead of an even level to reduce quantization noise. The noise transfer function (NTF) is designed to have the zeros optimally in order to increase DR. The peak SNR of the DSM is about...
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