CHARACTERIZATION OF BLACKMAN KERNELS AS APPROXIMATE IDENTITIES

We characterize completely when a Blackman kernel is an approximate identity with respect to L"(T) , 1 < ρ < oo , or C(T) , with Τ = {ζ e € : \z\ = 1} . 1991 Mathematics Subject Classification. 42Λ20

[1]  Alan V. Oppenheim,et al.  Digital Signal Processing , 1978, IEEE Transactions on Systems, Man, and Cybernetics.

[2]  R. Lasser.  Introduction to Fourier Series , 1996 .

[3]  Paul L. Butzer,et al.  Fourier analysis and approximation , 1971 .

[4]  F. Harris.  On the use of windows for harmonic analysis with the discrete Fourier transform , 1978, Proceedings of the IEEE.