Optimal Design of Adaptive Frequency-Shift Filter and Implementation
Lianfeng Shen · Journal of Electrical & Electronic Education · 2008
The frequency shift filter about separating overlapping signals using the cyclostationary of signals is studied.Then a kind of frequency shift filter is designed through the analysis of cyclostationary and frequency spectrum correlation.The coefficients of filter is updated using the algorithm of variable step-adaptive.Simulation results indicate that this algorithm can efficiently separate overlapping signals and the results are more better than the traditional filter.Finally this frequency shift filter is implemented on DSP platform.