Acoustical characteristic predictions of a multi-layer system of a submerged vehicle hull mounted sonar simplified to an infinite planar model

Measurements by sensors mounted on compact platforms are affected by sound scattering from the platform. Assuming a spherical shape of the platform, this paper investigates the differences between the ambient and measured characteristics of low-frequency signals and noise for scalar and vector sensors. In the near field of the platform, low-frequency perturbations in oscillatory velocity are generally much larger than pressure perturbations. These perturbations prevent mounted vector sensors from correctly measuring the direction of the free-field oscillatory velocity. The feasibility of a compensation of the distortions in scalar and vector sensor measurements is discussed.

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Acoustical characteristic predictions of a multi-layer system of a submerged vehicle hull mounted sonar simplified to an infinite planar model

Cited by 4 publications

References 6 publications

Calculations of the Flow Noise from a Turbulent Boundary Layer for Acoustic Vector Hydrophones in the Flank Array

Calculations of the Flow Noise from a Turbulent Boundary Layer for Acoustic Vector Hydrophones in the Flank Array

Design of wideband tonpilz transducers for underwater SONAR applications with finite element model

Fidelity of low-frequency underwater acoustic measurements by sensors mounted on compact platforms

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