Ultra-broadband local active noise control with remote acoustic sensing
Sign Up to like & getrecommendations! Published in 2020 at "Scientific Reports"
DOI: 10.1038/s41598-020-77614-w
Abstract: One enduring challenge for controlling high frequency sound in local active noise control (ANC) systems is to obtain the acoustic signal at the specific location to be controlled. In some applications such as in ANC… read more here.
Keywords: system; active noise; local active; remote acoustic ... See more keywords
An investigation of detection metrics for the remote acoustic sensing of mechanical changes in a vibrating plate
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the Acoustical Society of America"
DOI: 10.1121/1.4988804
Abstract: Acoustic radiation from a mechanical structure due to broadband forcing is inherently dependent on the structure’s material, geometry, and boundary conditions. Measurements of the radiated field can be used to detect mechanical changes (i.e., defects)… read more here.
Keywords: mechanical changes; detection; vibrating plate; remote acoustic ... See more keywords
Real-time acquisition and enhancement of remote acoustic signals by a free-space monostatic homodyne laser Doppler vibrometer.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.476572
Abstract: This paper systematically presents the design and performance of an extremely sensitive 1.55-µm free-space monostatic laser Doppler vibrometer (LDV) using optical homodyne detection for real-time acquisition and enhancement of the remote acoustic signals. The phase… read more here.
Keywords: time; space monostatic; remote acoustic; free space ... See more keywords