Translations:Two-length wavelets/7/en

From SEG Wiki
Jump to navigation Jump to search
ADVERTISEMENT

which converges at every point inside the circle of radius . As a result, the coefficients represent the inverse, which is a stable causal filter. In particular, H(Z) converges on the unit circle, so the Fourier transform exists. For example, the stable causal inverse of (2, –1) is given by the coefficients in the expansion