Results 31 to 40 of about 1,599,200 (292)

Noise maps for acoustically sensitive navigation [PDF]

SPIE Proceedings, 2004
More and more robotic applications are equipping robots with microphones to improve the sensory information available to them. However, in most applications the auditory task is very low-level, only processing data and providing auditory event information to higher-level navigation routines.
Martinson, Eric, Arkin, Ronald C.
openaire   +1 more source

Pulsed magneto-acoustic emission sensor array for stress measurement and material.’characterisation [PDF]

, 2006
This paper introduces a new method of pulsed magnetic acoustic emission (MAE) for stress detection and material characterisation and investigates the viability of implementing an acoustic emission sensor array for enhanced location information and ...
Tian, Gui Yun, Wilson, J.
core   +4 more sources

Multimodal Optoelectronic Synapses for Neuromorphic Intelligence: Coupling Light, Electrical, Thermal, and Beyond

Advanced Functional Materials, EarlyView.
This review revisits optoelectronic neuromorphic devices that extend from unimodal sensing toward multimodal perception. Five types of stimuli‐to‐output information flow that are classified based on the device roles within the system and applications are summarized and discussed.
Jihyun Shin, Junhyung Cho, Wangmyung Choi, Jaehyun Hur, Jae Kyeong Jeong, Ulrike Kraft, Hocheon Yoo   +6 more
wiley   +1 more source

Research on Loss Characteristics Based on the Vibration Law of Granular Assembly

Shock and Vibration
Particle damping technology is a typical passive vibration damping technology. In order to further explore the energy dissipation characteristics of particle dampers under different excitation, the relationship between internal vibration state and energy
Shengwu Zhang, Wei Xu, Chiming Wang, Yuanran Qiu, Yuanchao Zhang, Yanan Li, Yingjie Zhang   +6 more
doaj   +1 more source

Noise Produced by the Interaction of Acoustic Waves and Entropy Waves with High Speed Nozzle Flows [PDF]

, 1976
Some aspects of the noise generated internally by a turbojet engine are considered analytically and experimentally. The emphasis is placed on the interaction of pressure fluctuations and entropy fluctuations, produced by the combustion process in the ...
Bohn, Mark Stephen
core   +1 more source

An Edible Chitosan‐Based Acoustic Sensor for Sound‐Responsive Actuation in Edible Robots

Advanced Functional Materials, EarlyView.
This study introduces an edible acoustic sensor for robotic food and edible robotics. Built from a chitosan piezoelectric film between gold electrodes, the sensor enables acoustic communication through ON/OFF keying. Integrated into an edible robot with pneumatically actuated arms and neck, it responds to high‐frequency tones.
Valerio Francesco Annese, Bokeon Kwak, Gaia de Marzo, Giulia Coco, Valentina Antonaci, Leonardo Lamanna, Massimo De Vittorio, Dario Floreano, Mario Caironi   +8 more
wiley   +1 more source

Accounting for noise improves the generalization of acoustic indices when estimating biodiversity

Ecological Indicators
The use of Passive Acoustic Monitoring (PAM) for estimating biodiversity often entails the use of acoustic indices that summarize the acoustic properties of the recordings.
Samuel Hugo Suárez-Ronay, Katarina Biljman, Jonathan Belmaker, Yossi Yovel   +3 more
doaj   +1 more source

A frequency-dependent acoustic diversity index: A revision to a classic acoustic index for soundscape ecological research

Ecological Indicators, 2023
In recent years, passive acoustic monitoring (PAM) has been widely applied in the field of soundscape ecology. Meanwhile, acoustic indices, as an important tool for rapid biodiversity assessment (RBA), have also attracted increasing attention.
Zhi-yong Xu, Lei Chen, Bryan C. Pijanowski, Zhao Zhao   +3 more
doaj   +1 more source

Fiber‐Based Wearable Electronics as Adaptive Biointerfaces for Healthcare Applications

Advanced Functional Materials, EarlyView.
Fiber‐based wearable electronics have been extensively studied as adaptive healthcare biointerfaces. In this review, we classify and introduce fiber‐based systems according to biointerface design, conductive materials, transduction mechanisms, and healthcare applications, and provide a perspective on their translation toward reliable, continuous ...
Sangwoo Hong, Jinsol Kim, Yoonjae Jeong, Sejong Kang, Daeho Lee, Seung Hwan Ko   +5 more
wiley   +1 more source

Research on the mechanism of acoustic radiation characteristics of granular assemblies

AIP Advances
To study the acoustic radiation characteristics of forced vibration of granular assemblies, the acoustic radiation model of a single particle and the acoustic radiation model of granular assemblies are established. Combined with experimental verification,
Shengwu Zhang, Zhimin Chen, Yuanchao Zhang, Wei Xu, Chiming Wang   +4 more
doaj   +1 more source