Results in Physics, 2019 In order to solve the problem of mid-low frequency noise reduction in cylindrical shells, the experimental and simulation methods are used to study the noise reduction performance of cylindrical shells with different acoustic covering layers in the mid ...
Wenjie Yan +4 more
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Recovery Reductions in the Random Noise Model via Group Theory: Insights into NP-Complete and Fine-Grained Problems [PDF]
arXivWe introduce and initiate the study of a new model of reductions called the random noise model. In this model, the truth table $T_f$ of the function $f$ is corrupted on a randomly chosen $\delta$-fraction of instances. A randomized algorithm $A$ is a $\left(t, \delta, 1-\varepsilon\right)$-recovery reduction for $f$ if: 1.
arxiv
Principal Components as a Data Reduction and Noise Reduction Technique [PDF]
The potential of principal components as a pipeline data reduction technique for thematic mapper data was assessed and principal components analysis and its transformation as a noise reduction technique was examined. Two primary factors were considered: (
Campbell, W. J., Imhoff, M. L.
core +1 more source
Supersonic jet noise reduction by coaxial jets with coplanar and staggered exits [PDF]
, 1979 Darshan S. Dosanjh +2 more
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A Comparative Analysis of Noise Reduction Methods in Sentiment Analysis on Noisy Bangla Texts [PDF]
arXivWhile Bangla is considered a language with limited resources, sentiment analysis has been a subject of extensive research in the literature. Nevertheless, there is a scarcity of exploration into sentiment analysis specifically in the realm of noisy Bangla texts.
arxiv
Effect of rotor-to-stator spacing on acoustic performance of a full-scale fan (QF-5) for turbofan engines [PDF]
A study was made of the effect of increasing the fan rotor-to-stator spacing on the noise level of a full-scale, single-stage, 1.6-pressure-ratio fan. Noise data were obtained with axial spacing of 1.14, 1.65, and 2.27 rotor chord lengths.
Balombin, J. R., Stakolich, E. G.
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Reduction of Signal-to-Noise Ratio Induced by Distortion in Speech Transmission Systems
, 1960 Edith L. R. Corliss +2 more
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A theoretical investigation of noise reduction through the cylindrical fuselage of a twin-engine, propeller-driven aircraft [PDF]
Interior noise in the fuselage of a twin-engine, propeller-driven aircraft with two propellers rotating in opposite directions is studied analytically. The fuselage was modeled as a stiffened cylindrical shell with simply supported ends, and the effects ...
Bhat, R. B., Mixson, J. S.
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A hybrid wavelet-wiener noise reduction algorithm for geomagnetic signals in dynamic positioning
Alexandria Engineering JournalIndoor positioning technology is a hotspot in current research, and geomagnetic combined positioning is one of the mainstream directions. Currently, indoor or underground positioning techniques are all passive positioning such as RFID, UWB, WIFI and ...
Mingduo Li +7 more
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