Supported by the National Natural Science Foundation of China(No.61071070)
Ramanujan sums (RS) and their Fourier transforms have attracted more and more attention in signal processing in recent years. Due to their non-periodic and non-uniform spectrum, RS are widely used in low-frequency n...
National Natural Science Foundation of China(No.61071070);the Specialized Research Fund for the Doctoral Program of High Education of China(No.20091102120010)