Results 71 to 80 of about 6,564 (167)

An investigation of hydraulic-line resonance and its attenuation [PDF]

open access: yes
An investigation of fluid resonance in high-pressure hydraulic lines has been made with two types of fluid dampers (or filters) installed in the line. One type involved the use of one or more closed-end tubes branching at right angles from a main line ...
Herr, R. W.   +2 more
core   +1 more source

Initial Developments Toward an Active Noise Control System for Small Unmanned Aerial Systems [PDF]

open access: yes
Small unmanned aerial systems have the potential to expand commercial markets from package delivery to infrastructure inspection. Many missions, however, require the vehicles to operate in close proximity to people, where community noise concerns could ...
Schiller, Noah H., Zawodny, Nikolas S.
core   +1 more source

Structural-acoustic coupling and psychophysical effects in the active control of noise in vehicles

open access: yes, 2011
Active noise control systems offer a potential method of reducing the weight of passive acoustic treatment and, therefore, increasing vehicles' fuel efficiency. These can be particularly cost-efficient if integrated with the entertainment system.
Abbott, Mark   +2 more
core  

Electrostatic Acoustic Sensor with an Impedance-Matched Diaphragm Characterized for Body Sound Monitoring. [PDF]

open access: yesACS Appl Bio Mater, 2023
Rennoll V   +6 more
europepmc   +1 more source

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