(CLICK ABOVE BEFORE READING PLEASE)
An extensive report on a project to map the thickness of a coal seam (see results at the left). Wave guide theory is introduced, and heavy coherent noise removal is discussed.
To the left is a composite taken from the first report mentioned below. To appreciate the quality of the stack itself one would have to go there first.
Suffice it to say that the standout of the target seam is several times greater than it commonly is on straight processing, and this improvement came from coherent noise removal and other tailored logic.
Such resolution is essential to the accurate inversion shown below. This is true "thin bed" results. The point of the whole effort was to measure the thickness of the seam, which averages some 6 meters, according to sources. (Please note that the inversion showing the thickness is at a different scale.)
While on site verification has not been done, my non-linear logic has at least proven up to the inversion task.