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- W2371790817 abstract "Symmetric raised cosine keying(SRCK) is a new non-single frequency wave digital modulation method.The SRCK modulated signals have characteristics of high energy concentration and high bandwidth utilization efficiency.Because the harmonic spectral lines of the SRCK signals seriously affect the sideband inhibition ability,and the closed-form of the PSD cannot be deduced by the expressions of the SRCK modulated signals,a new waveform optimization scheme was proposed by using the orthogonal sinusoidal basis fitting method to remove the harmonic spectral lines.The theoretical deduction and simulation analysis show that the optimization method can remove harmonic spectral lines,which makes the SRCK signals sidebands lower and the bandwidth narrower.The demodulation performance of the optimized SRCK signals improves.The proposed scheme lays a foundation for the SRCK signals to share a band with signals modulated by the present modulation method." @default.
- W2371790817 created "2016-06-24" @default.
- W2371790817 creator A5080025195 @default.
- W2371790817 date "2012-01-01" @default.
- W2371790817 modified "2023-09-23" @default.
- W2371790817 title "Optimization of symmetric raised cosine keying (SRCK) modulation waveforms" @default.
- W2371790817 hasPublicationYear "2012" @default.
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