Results 211 to 220 of about 238,039 (256)
Measurement-induced phase transitions in informational active matter. [PDF]
PNAS NexusVanSaders B, Fruchart M, Vitelli V.
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Risks and Awareness of NIHL Among Dental Students: A Scoping Review. [PDF]
Health Sci RepNtlhakana L, Molete MM.
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Premature transcription termination modulates stochastic gene expression in bacteria. [PDF]
Sci AdvMoradian S +5 more
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IEEE Signal Processing Magazine, 1993
Active noise control exploits the long wavelengths associated with low frequency sound. It works on the principle of destructive interference between the sound fields generated by the original primary sound source and that due to other secondary sources, acoustic outputs of which can be controlled.
P A Nelson, S J Elliott
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Active noise control exploits the long wavelengths associated with low frequency sound. It works on the principle of destructive interference between the sound fields generated by the original primary sound source and that due to other secondary sources, acoustic outputs of which can be controlled.
P A Nelson, S J Elliott
exaly +3 more sources
Active Shielding and Control of Noise
SIAM Journal on Applied Mathematics, 2001Summary: We present a mathematical framework for the active control of time-harmonic acoustic disturbances. Unlike many existing methodologies, our approach provides for the exact volumetric cancellation of unwanted noise in a given predetermined region of space while leaving unaltered those components of the total acoustic field that are deemed ...
Josip Loncaric +2 more
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Active noise control for muffler
2017 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), 2017This paper presents an active noise control (ANC) system for muffler. An ANC muffler is built to verify the performance and the experiment is conducted in real-time. Experiment results compare three narrowband ANC methods: direct, parallel and direct/parallel forms; with synthesized engine noises for fixed and changing engine speed.
Michael Anthony +2 more
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Active noise control for headrests
2015 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA), 2015This paper presents the active noise control (ANC) systems for creating quiet zone to cover the users' ears in headrests. The two-input two-output (TITO) ANC headrest system based on the multiple-channel adaptive feedback filtered-x least mean square (FXLMS) algorithm is proposed.
Antonius Siswanto +2 more
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Active noise control systems for controlling outdoor environmental noise
1999 European Control Conference (ECC), 1999A unique theory for generating electronically controlled acoustic shadows for environmental noise reduction was reported in [1]. The theory has been extended to complex high frequency sound from large non-compact sources [2] and implemented into hardware [3]. These studies show that deep acoustic shadows are possible.
S. E. Wright, H. Atmoko
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