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Updated: May 11, 2026
06:25
Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform
Published on: February 12, 2014
Optimization of the array mirror for time reversal techniques used in a half-space environment
Blaine M Harker1, Brian E Anderson
1Acoustics Research Group, Department of Physics and Astronomy, Brigham Young University, N283 Eyring Science Center, Provo, Utah 84602, USA. blaineharker@gmail.com
The Journal of the Acoustical Society of America
|May 10, 2013
Summary
Time reversal (TR) effectively localizes simple sources using continuous waves. Optimizing transducer angular spacing and time reversal mirror (TRM) aperture improves source imaging accuracy.
Area of Science:
- Acoustics
- Signal Processing
- Geophysics
Background:
- Time reversal (TR) is a wave-based technique using a time reversal mirror (TRM) for source localization.
- Effective source imaging relies on understanding wave propagation and receiver array configurations.
Purpose of the Study:
- To investigate the efficacy of TR for localizing simple sources with steady-state waveforms.
- To determine the key parameters influencing TR performance in a numerical model.
- To optimize TRM setup for source localization within a defined uncertainty region.
Main Methods:
- Numerical simulation of a point source in a half-space environment.
- Application of TR using steady-state waveforms.
- Analysis of transducer angular spacing and TRM aperture effects.
Main Results:
- TR successfully localizes simple sources emitting continuous waves.
- Source localization accuracy is dependent on transducer angular spacing.
- TRM aperture and angular spacing are critical for effective source imaging.
Conclusions:
- TR is a viable method for localizing simple continuous wave sources.
- Careful selection of TRM parameters, specifically angular spacing and aperture, is crucial for optimal performance.
- This study provides a framework for optimizing TRM configurations when source location is partially known.
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