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Updated: Aug 9, 2026
16:11
Implementation of a Reference Interferometer for Nanodetection
Published on: April 26, 2014
Time domain investigation of transceiver functions using a known reference target
C Feuillade1, R W Meredith, N P Chotiros
1Naval Research Laboratory, Stennis Space Center Mississippi 39529-5004, USA. cf@nrlssc.navy.mil
The Journal of the Acoustical Society of America
|January 2, 2003
Summary
Accurate calibration is crucial for underwater acoustic scattering research. This study demonstrates a time-domain method to precisely calibrate sonar transceiver systems using reference targets, improving data analysis for seafloor and volume scattering.
Area of Science:
- Acoustics
- Oceanography
- Signal Processing
Background:
- Wideband acoustic reverberation measurements are essential for understanding seafloor and volume scattering.
- Accurate calibration of sonar systems is critical for reliable time-domain sound scattering research.
Purpose of the Study:
- To demonstrate a time-domain method for calibrating sonar transceiver systems.
- To analyze calibration measurements using reference targets (steel and glass balls).
- To highlight the importance of accurate system calibration in acoustic scattering research.
Main Methods:
- Performed a bottom scattering tank experiment to measure acoustic reverberation.
- Used stainless steel and glass balls as reference targets in water.
- Calibrated the sonar transceiver system by deconvolving theoretical impulse responses (Faran elastic sphere scattering model).
Main Results:
- Successfully demonstrated a time-domain method for calibrating both amplitude and time dependence of the sonar transceiver.
- Showcased the critical importance of accurate input-output system calibrations.
- Provided a reliable method for calibrating sonar systems for scattering research.
Conclusions:
- Accurate system calibration is vital for time-domain sound scattering research.
- The demonstrated method effectively calibrates the complete sonar transceiver function.
- This work has significant implications for boundary and volume scattering applications.
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