Abstract
The echo‐sounding technique visualizes the marine subbottom by a cascade representation of consecutive traces resulting from the medium response to a normal‐incidence sonar pulse train. The resolution, i.e., the possibility of resolving close targets, depends on the sonar pulse widths. Similar to seismics, this resolution can be remarkably increased by applying deconvolution techniques. This paper analyzes the design of spiking deconvolution filters in the frequency domain and its performance in improving the resolution of real echograms collected from Buendia reservoir, 45 m deep. The effects of bandpass filtering and stabilization in the deconvolution process are also considered.
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