Access provided by: anon Sign Out. A Real-Time 3-D Underwater Acoustical Imaging System Abstract: Real-time 3-D acoustical imaging technique is a key advance to broaden the scope and enhance the feasibility of underwater missions. In this paper, a real-time 3-D underwater acoustical imaging system to handle the actual tasks under a narrowband excitation is presented. The system consists of three parts: a transmitter, a receiving hydrophone array, and a signal processor.
In this system, a distributed and parallel subarray DPS beamforming algorithm is proposed to process the acquired signals from a scene placed in the far field. The DPS beamforming algorithm is an approximate method for the sonar signal processing with an advantageous computational efficiency. Add to basket.
- Acoustical Imaging - Volume 31 | Andrzej Nowicki | Springer.
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The principles of quantitative acoustical imaging - Technische Informationsbibliothek (TIB)
Acoustical Imaging Walter Arnold. Acoustical Imaging Michael P. Table of contents Acoustic Microscopy and Its Applications. Rating details. Want to Read Currently Reading Read. Other editions. Enlarge cover.
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Details if other :. Thanks for telling us about the problem. Return to Book Page. The technology of acoustical imaging has advanced rapidly over the last sixty years, and now represents a sophisticated technique applied to a wide range of fields including non-destructive testing, medical imaging, underwater imaging and SONAR, and geophysical exploration.
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The author draws together the different technologies in sonar, seismic and ultrasound imaging, highlighting the similarities between topic areas and their common underlying theory. Key features: Comprehensively covers all of the important applications of acoustical imaging. Introduces the gauge invariance property of acoustic equation of motion, with applications in the elastic constants of isotropic solids, time reversal acoustics, negative refraction, double negative acoustical metamaterial and acoustical cloaking.
Contains up to date treatments on latest theories of sound propagation in random media, including statistical treatment and chaos theory.