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Measurement of Compressive Stress-Strain Response at Small-Strains
02:58

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Published on: December 5, 2025

Compressive laser ranging.

Wm Randall Babbitt1, Zeb W Barber, Christoffer Renner

  • 1Montana State University, Bozeman, Montana 59717, USA. babbitt@physics.montana.edu

Optics Letters
|December 20, 2011
PubMed
Summary
This summary is machine-generated.

Compressive sensing enables high-resolution laser ranging using fewer measurements. This technique directly measures range profiles, achieving subcentimeter resolution with compact, off-the-shelf components.

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Area of Science:

  • Photonics and Optical Engineering
  • Signal Processing
  • Radar Systems

Background:

  • Compressive sampling reduces measurements for sparse signal reconstruction.
  • Conventional radar techniques require numerous measurements for range profiling.

Purpose of the Study:

  • To extend compressive sensing for direct range profile measurement.
  • To demonstrate high-resolution ranging using modulated waveforms and low-bandwidth detectors.

Main Methods:

  • Employing modulation on both transmission and reception.
  • Utilizing pseudorandom binary transmit waveforms and return modulation.
  • Integrating high data rate binary pattern generators and digital optical modulators.

Main Results:

  • Direct measurement of range profiles without intermediate waveform analysis.
  • Achieved subcentimeter resolution in a proof-of-concept experiment.
  • Demonstrated feasibility with compact, off-the-shelf electronics and photonics.

Conclusions:

  • Compressive laser ranging offers a compact and lightweight solution for high-resolution measurements.
  • The technique bypasses traditional waveform sampling limitations.
  • Readily achievable subcentimeter resolution with current technology.