Results 51 to 60 of about 1,203,879 (258)

Study of high frequency acoustic directional transmission model based on graphene structure

AIP Advances, 2020
The directional transmission of high-frequency sound waves is of great significance to the development of underwater communication and cell photoacoustic detection.
Peng Yang, Jingzhi Wu, Rongrong Zhao, Jianning Han   +3 more
doaj   +1 more source

Plasmonic lattice excitation of surface acoustic waves in silicon photonic circuits

APL Photonics
Surface acoustic waves enable long group delays and narrowband analog filtering on-chip, which are difficult to obtain with fast-moving electromagnetic waves.
Leroy Dokhanian, Saawan Kumar Bag, Mirit Hen, Inbar Shafir, Matan Slook, Shai Ben-Ami, Avi Zadok   +6 more
doaj   +1 more source

Underwater Acoustic Imaging of the Sea

Archives of Acoustics, 2014
Acoustic waves are a carrier of information mainly in environments where the use of other types of waves, for example electromagnetic waves, is limited.
Grażyna GRELOWSKA, Eugeniusz KOZACZKA
doaj   +1 more source

Closed-Loop Acoustic Stimulation During Sleep in Children With Epilepsy: A Hypothesis-Driven Novel Approach to Interact With Spike-Wave Activity and Pilot Data Assessing Feasibility

Frontiers in Human Neuroscience, 2019
Slow waves, the electroencephalographic (EEG) hallmark of deep sleep, can be systematically manipulated by acoustic stimulation: stimulation time-locked to the down phase of slow waves reduces, whereas stimulation time-locked to the up phase increases ...
Sara Fattinger, Sara Fattinger, Bigna Bölsterli Heinzle, Bigna Bölsterli Heinzle, Georgia Ramantani, Georgia Ramantani, Lucia Abela, Lucia Abela, Bernhard Schmitt, Bernhard Schmitt, Reto Huber, Reto Huber, Reto Huber   +12 more
doaj   +1 more source

Nonlinear electrostatic waves in an electron–positron plasma

AIP Advances, 2020
This paper presents a theoretical and numerical study of all possible nonlinear electrostatic waves in an unmagnetized and collisionless electron–positron plasma.
S. J. Yang, Y. Chen, C. Z. Xiao
doaj   +1 more source

Application of Low-Frequency Acoustic Waves to Extinguish Flames on the Basis of Selected Experimental Attempts

Applied Sciences
Due to the consequences of fires, new and environmentally friendly firefighting techniques are constantly being sought. There are many methods of extinguishing flames around the world. One of them is a technique that uses acoustic waves for extinguishing,
Valentyna Loboichenko, Grzegorz Wilk-Jakubowski, Jacek Lukasz Wilk-Jakubowski, Jozef Ciosmak   +3 more
doaj   +1 more source

Low-frequency dissipative dust-acoustic waves in plasmas having superthermal two-electron temperature: Implications for solitons and shock waves in Saturn’s magnetosphere

Journal of Low Frequency Noise, Vibration and Active Control
This study investigates the nonlinear dynamics of low-frequency dust-acoustic waves in a viscous plasma environment. It emphasizes the formation and behavior of shock and solitary waves, considering the interplay between inertial fluid dust particles and
BB Mouhammadoul, Alim, CGL Tiofack, A Mohamadou, Maryam Al Huwayz, Aljawhara H Almuqrin, LS El-sherif, Samir A El-Tantawy   +7 more
doaj   +1 more source

Two-Dimensional Nonlinear Propagation of Ion Acoustic Waves through KPB and KP Equations in Weakly Relativistic Plasmas

Advances in Mathematical Physics, 2016
Two-dimensional three-component plasma system consisting of nonextensive electrons, positrons, and relativistic thermal ions is considered. The well-known Kadomtsev-Petviashvili-Burgers and Kadomtsev-Petviashvili equations are derived to study the basic ...
M. G. Hafez, M. R. Talukder, M. Hossain Ali   +2 more
doaj   +1 more source

Temperature-controlled acoustic surface waves

New Journal of Physics, 2016
Conventional approaches to the control of acoustic waves propagating along boundaries between fluids and hard grooved surfaces are limited to the manipulation of surface geometry.
Norbert Cselyuszka, Milan Sečujski, Nader Engheta, Vesna Crnojević-Bengin   +3 more
doaj   +1 more source

Intermountain Acoustic Musician, Volume 23 Number 8, August 2006

, 2006
Salt Lake City, UT: International Bluegrass Association; The Intermountain Acoustic Music Association is a member of the International Bluegrass Music Association and Folk Alliance, the North American folk music and dance alliance. Intermountain Acoustic
Intermountain Acoustic Music Association
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