The radial trace domain provides a natural way to view the
seismograms. Since multiples arrive at integer multiples of primary
traveltime and distance. The radial trace domain becomes periodic.
Rather than preserving traveltimes in the radial trace transform, and
stacking all azimuths together, we preserve x and y coordinates.
Figure 6 shows a constant velocity slice through
the Kolmogoroff impulse response. Multiple bounces produce the series
of concentric circles. Breakdown in reciprocity due to convective
flow in the sun, will manifest itself as azimuthal
anisotropy in this domain.
Constant velocity slice through radial transform.
Stanford Exploration Project