Far-field super-resolution imaging of resonant multiples

Area of Science:

• Seismology
• Wave Propagation
• Imaging Science

Background:

• Seismic multiples are often treated as noise in data processing.
• Classical imaging resolution is limited by factors like wavelength.
• Far-field imaging presents unique challenges for resolution.

Purpose of the Study:

• To demonstrate the utility of seismic resonant multiples for super-resolution imaging.
• To quantify the resolution enhancement achieved using these multiples.
• To explore the broad applicability of this novel imaging technique.

Main Methods:

• Utilizing seismic resonant multiples, previously considered noise.
• Applying the technique to both synthetic and field seismic data.
• Analyzing the relationship between multiple order and image resolution.

Main Results:

• Achieved super-resolution imaging in the far-field region.
• Demonstrated resolution more than twice the classical limit.
• Observed resolution improvement correlating with the order of resonant multiples.

Conclusions:

• Seismic resonant multiples offer a viable method for super-resolution imaging.
• This technique significantly surpasses classical resolution limits.
• Potential applications span seismology, radar, sonar, LIDAR, and ultrasound.