HIGHLIGHTS
- who: Caleb Rascon and colleagues from the National Autonomous University of Mexico, Mexico have published the research: Object Surface Recognition Based on Standing Waves in Acoustic Signals, in the Journal: (JOURNAL)
- what: This study shows that the profile of the distance spectrum encodes surface range information from the target, and a high-resolution distance spectrum can recognize the distance to the surface and that to the edges accurately.
- how: Because a wide-beam audible signal can cover a large area with long penetration this paper proposes extending the distance recognition based on the . . .

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