Bulletin of the Seismological Society of America; February 2006; v. 96; no. 1;
p. 188-199; DOI: 10.1785/0120050037
© Seismological Society of America
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Figure 6. Top panels: left, stations (triangles), earthquakes (black filled circles),
and path coverage relevant to the two-dimensional attenuation tomography; right,
number of rays crossing each pixel, given in logarithmic scale. Middle panels:
left, location (star) of the input-source function for point-spread analysis, as
well as the actual rays sampling the pixel where the point source is located;
right, symbols correspond to the different amplitude range of the restored
source function, being the true amplitude of the point-input function equal to
0.02. Bottom panels: the same as in the middle panels but for a different
location of the input function.
