Far-field superresolution by imaging of resonant multiples

Abstract

We demonstrate for the first time that seismic resonant multiples, usually considered as noise, can be used for super-resolution imaging in the far-field region of sources and receivers. Tests with both synthetic data and field data show that resonant multiples can image reflector boundaries with resolutions more than twice the classical resolution limit. Resolution increases with the order of the resonant multiples. This procedure has important applications in earthquake and exploration seismology, radar, sonar, LIDAR (light detection and ranging), and ultrasound imaging, where the multiples can be used to make high-resolution images.

Scattering Radiation Pattern Atlas: What Anisotropic Elastic Properties Can Body Waves Resolve?

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Dispersion inversion of guided P-waves in a waveguide of arbitrary geometry

“…Thus, the WDG method has the capability for high resolution imaging of the slab thickness. This is not too surprising because the steep part of the dispersion curves corresponds to nearly vertically incident waves, which generate resonant reflections that can provide superresolution imaging Schuster and Huang (2014).…”

Prediction and Migration of Surface-related Resonant Multiples

“…Resonant multiples can be migrated to achieve better resolution than migrating primary reflections. In fact, the imaging resolution can be better than half of the wavelength so that this is considered super-resolution imaging (Schuster and Huang, 2014).…”