On: “Decomposition into minimum and maximum phase components” by E. Eisner and G. Hampson (GEOPHYSICS, 55, 897–901, July 1990).

Abstract

How to locate the zero time in a recorded, noisy waveform? How to quantify the extent of minimum‐phaseness of a waveform? And how to render a waveform or a seismic trace minimum phase? These are some of the questions with which we approached this paper which describes a new method for locating the time origin in a given waveform and, thereafter, factoring the waveform as a convolution of a causal minimum‐phase component and an anticausal maximum phase component.